October 26, 2017

In today’s digest we have some interesting discussion about lab/bioinformatics techniques, a few editorials on the microbiome job market, and even a little bit of philosophy learned from our tiny microbial friends.

Events and jobs

BioData World West 2018 – 13-14 March 2018 – San Francisco, CA

General microbiome

Cooperation and cheating as innovation: insights from cellular societies – Athena Aktipis – Philosophical Transactions of The Royal Society B

[Pre-Print] Metabolic Interactions Between Dynamic Bacterial Subpopulations – Adam Z Rosenthal – bioRxiv

Pregnancy and early life

Preterm Birth Affects the Risk of Developing Immune-Mediated Diseases – Sybelle Goedicke-Fritz – Frontiers in Immunology

Human oral microbiome

Metagenomic Analysis of Gingival Sulcus Microbiota and Pathogenesis of Periodontitis Associated with Type 2 Diabetes Mellitus – E. A. Babaev – Bulletin of Experimental Biology and Medicine

Human urinary tract microbiome

Re: Evaluation of the Urinary Microbiota of Women with Uncomplicated Stress Urinary Incontinence – Alan J. Wein – The Journal of Urology

Human gut microbiome

* The fecal microbiome of ALS patients – David Brenner – Neurobiology of Aging

Plant, root, and soil microbiome

Endosphere microbiome comparison between symptomatic and asymptomatic roots of Brassica napus infected with Plasmodiophora brassicae – Ying Zhao – PLOS ONE

Ureolytic microbial community is modulated by fertilization regimes and particle-size fractions in a Black soil of Northeastern China – Li Wang – Soil Biology and Biochemistry

Water and extremophile microbiome 

Metatranscriptomic and metagenomic description of the bacterial nitrogen metabolism in waste water wet oxidation effluents – Julien Crovadore – Heliyon

Genomic variation in microbial populations inhabiting the marine subseafloor at deep-sea hydrothermal vents – Rika E. Anderson – Nature

Food microbiology

Sequence Analysis of Changes in Microbial Composition in Different Milk Products During Fermentation and Storage – Barbora Zalewska – Current Microbiology

Probiotics / prebiotics

Pharmabiotics as an Emerging Medication for Metabolic Syndrome and Its Related Diseases – Thi Thanh Binh Nguyen – Molecules

[Review] Recurrent urinary tract infections in women: How promising is the use of probiotics? – Varsha Gupta – Indian Journal of Medical Microbiology

Bioinformatics

Using convolutional neural networks to explore the microbiome – Derek Reiman – Engineering in Medicine and Biology Society (EMBC)

Techniques

‘Gracilibacillus phocaeensis’ sp. nov., ‘Sediminibacillus massiliensis’ sp. nov. and ‘Virgibacillus ndiopensis’ sp. nov., three halophilic species isolated from salty human stools by culturomics – B. Senghor – New Microbes and New Infections

Proteomic and metaproteomic approaches to understand host-microbe interactions – Amanda E. Starr – Analytical Chemistry

Impact of Method Variables on Microbiota Sample Disruption – Jaclyn Zecca and David Burden – OPS Diagnostics LLC

Microbes on the market 

Patenting the microbiome: trends, challenges and insights – Anthony D Sabatelli – Future Science

[Editorial] The aquaculture microbiome at the centre of business creation – Karen K. Dittmann – Microbial Biotechnology

Ed’s non-microbiology picks

I put quite a few on here today – enjoy 🙂

More than 75 percent decline over 27 years in total flying insect biomass in protected areas – Caspar A. Hallman – PLOS ONE

Cavitation-Induced Synthesis of Biogenic Molecules on Primordial Earth – Natan-Haim Kalson – ACS Central Science

Games people play: How video games improve probabilistic learning – Sabrina Schenk – Behavioural Brain Research

A process-oriented model linking adolescents’ sleep hygiene and psychological functioning: the moderating role of school start times -Jack S. Peltz – Sleep Health

Decreases in self-reported sleep duration among U.S. adolescents 2009-2015 and links to new media screen time – Jean M. Twenge – Sleep Medicine

Dogs’ recognition of human selfish and generous attitudes requires little but critical experience with people – Fabricio Carballo – PLOS ONE

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September 27, 2017

Human oral microbiome

Complex Intratissue Microbiota Forms Biofilms in Periodontal Lesions – Baek K – Journal of Dental Research

Human vaginal microbiome

Lactobacillus iners-dominated vaginal microbiota is associated with increased susceptibility to Chlamydia trachomatis infection in Dutch women: a case–control study – Robin van Houdt – Sexually Transmitted Infections

Human gut microbiome

[Review] Modulation of Type 1 Diabetes Risk by the Intestinal Microbiome – Knip M – Current Diabetes Reports

[Review] The Relationship Between the Human Genome and Microbiome Comes into View – Julia K. Goodrich – Annual Review of Genetics

Animal microbiome

[pre-print] The virome of Drosophila suzukii, an invasive pest of soft fruit – Nathan C. Medd – bioRxiv

Characterisation of North American Brucella isolates from marine mammals – Adrian M. Whatmore – PLOS ONE

Denitrification potential of the eastern oyster microbiome using a 16S rRNA gene based metabolic inference approach – Ann Arfken – PLOS ONE

Effects of Eimeria tenella infection on chicken caecal microbiome diversity, exploring variation associated with severity of pathology – Sarah E. Macdonald – PLOS ONE

Microbial characterization of bee pollen from the Vesuvius area collected by using three different traps – Gianluigi Mauriello – PLOS ONE

Plant, root, and soil microbiome

Multiscale Investigation on Biofilm Distribution and its Impact on Macroscopic Biogeochemical Reaction Rates – Zhifeng Yan – Water Resources Research

Comparative metagenomics approaches to characterize the soil fungal communities of western coastal region, Saudi Arabia – Tarek A. A. Moussa – PLOS ONE

Bacterial and diazotrophic diversities of endophytes in Dendrobium catenatum determined through barcoded pyrosequencing – Ou Li – PLOS ONE

A secreted antibacterial neuropeptide shapes the microbiome of Hydra – René Augustin – Nature Communications

Probiotics / prebiotics

Methanobrevibacter attenuation via probiotic intervention reduces flatulence in adult human: A non-randomised paired-design clinical trial of efficacy – Minseok Seo – PLOS ONE

Bioinformatics

Predicting metabolic adaptation from networks of mutational paths – Christos Josephides & Peter S. Swain – Nature Communications

Microbes in the news 

Florida Seawater Bacteria Death Toll Rises – Patch

Researchers Find New Microbial Communities in Human Body

Microbes on the market

Paris-based Eligo Bioscience secures $20 million to bring Precision Medicine to the Microbiome – EU-Startups

Science, publishing, and career

New open-access journal Metabarcoding & Metagenomics joins the lines of publisher Pensoft – EurekAlert!

Ed’s non-microbiology picks

Infants make more attempts to achieve a goal when they see adults persist – Julia A. Leonard – Science

University of Tokyo pair invent loop-based quantum computing technique

Cancer immunotherapy with recombinant poliovirus induces IFN-dominant activation of dendritic cells and tumor antigen–specific CTLs – Michael C. Brown – Science Translational Medicine

Stereodivergent synthesis with a programmable molecular machine – Salma Kassem, – Nature

Trispecific broadly neutralizing HIV antibodies mediate potent SHIV protection in macaques – Ling Xu – Science

July 19, 2017

Today’s digest is a long one! There is high diversity of studies, with a high abundance of gut microbiome studies, a few publications on fecal transplant, and some very interesting early life/pregnancy/mother-infant science.  A normal serving of animal studies, of course a nice colony of environmental microbial studies, and a study reporting the presence of bacteria in Alzheimer’s post-mortem brains.

Events and jobs

Postdoctoral research fellow in translational microbiome research – Department of Microbiology, Tumor and Cell Biology (MTC) at Karolinska Institutet

General microbiome

Commensal bacteria modulate the tumor microenvironment – Theofilos Poutahidis – Cancer Letters

[Review]  The human microbiome – Hubert E. Blum – Advances in Medical Sciences

Microbiome and Metabolome Data Integration Provides Insight Into Health and Disease – Michael Shaffer – Translational Research

Metabolic potential and taxonomic assessment of bacterial community of an environment to chronic industrial discharge – Neelam Devpura – International Biodeterioration & Biodegradation

Impact of the Microbiota on Bacterial Infections during Cancer Treatment – Jessica Galloway-Peña – Trends in Microbiology

Pregnancy and early life

** The Bacterial Ecosystem of Mother’s Milk and Infant’s Mouth and Gut – Elana Biagi – Frontiers in Microbiology | Evolutionary and Genomic Microbiology

* What’s Normal? Immune Profiling of Human Milk from Healthy Women Living in Different Geographical and Socioeconomic Settings – Lorena Ruiz – Frontiers in Immunology | Nutritional Immunology

Microbiome Associated with Severe Caries in Canadian First Nations Children – M. Agnello – Journal of Dental Research

* Bacterial communities found in placental tissues are associated with severe chorioamnionitis and adverse birth outcomes – Ronan M. Doyle – PLoS One

Human oral microbiome

Characterization of Oral Microbiota in Removable Dental Prosthesis Users: Influence of Arterial Hypertension – Leila Maria Marchi-Alves – BioMed Research International

Human vaginal microbiome

The association between ethnicity and vaginal microbiota composition in Amsterdam, the Netherlands – Hanneke Borgdorff – PLoS One

Human nearly-sterile sites

** 16S rRNA Next Generation Sequencing Analysis Shows Bacteria in Alzheimer’s Post-Mortem Brain – David C. Emery – Frontiers in Aging Neuroscience

Human gut microbiome

The Gut Microbiota of Healthy Chilean Subjects Reveals a High Abundance of the Phylum Verrucomicrobia – Sayaka Fujio-Vejar – Frontiers in Microbiology | Microbial Symbioses

*[Review] Significance of Microbiota in Obesity and Metabolic Diseases and the Modulatory Potential by Medicinal Plant and Food Ingredients – Hoda M. Eid – Frontiers in Pharmacology | Ethnopharmacology

MOLECULAR CHARACTERIZATION OF FECAL MICROBIOTA OF HEALTHY CHINESE TOBACCO SMOKER SUBJECTS IN SHAANXI PROVINCE, XI’AN CHINA – Ishaq HM – Journal of Ayub Medical College

The Microbiome in Posttraumatic Stress Disorder and Trauma-Exposed Controls: An Exploratory Study – Hemmings, Sian M.J – Psychosomatic Medicine

The Impact of Gut Microbiota on Gender-Specific Differences in Immunity – Floris Fransen – Frontiers in Immunology | Nutritional Immunology

Involvement of gut microbiota in the association between gastrointestinal motility and 5‑HT expression/M2 macrophage abundance in the gastrointestinal tract – Mo Yang – Molecular Medicine Reports

Correspondence: Fecal Microbiota Transplant from a Rational Stool Donor Improves Hepatic Encephalopathy: A Randomized Clinical Trial – Benjamin H Mullish – Hepatology

Going to the Bank: Fecal Microbiota Transplantation in Pediatrics – Elaine Barfield – Clinical Pediatrics

INTERRELATIONSHIPS BETWEEN GUT MICROBIOTA AND HOST: Paradigms, Role in Neurodegenerative Diseases and Future Prospects – Villarraso JC – CNS & Neurological Disorders Drug Targets

Faecal microbiota transplant: a novel biological approach to extensively drug-resistant organism-related non-relapse mortality – Innes AJ – Bone Marrow Transplantation

* Gut microbiota is critical for the induction of chemotherapy-induced pain – Shiqian Shen – Nature Neuroscience

Relationships between Gastrointestinal Microbiota and Blood Group Antigens – Anuhya Gampa – Physiological Genomics

[Masters Thesis] Evaluating the Effectiveness of Select Bacteria Against Clostridium difficile – Choquette, Kelsey Rose – Iowa State University, ProQuest Dissertations Publishing

* Potential and active functions in the gut microbiota of a healthy human cohort – Alessandro Tanca – Microbiome

[Letter to Editor] The necessity of gut microbiome characterization in diseases prevention and therapy – Sama Rezasoltani – Gastroenterology and Hepatology from Bed to Bench

[Review Article] The Intricate Interaction between Enteric Microbiota and Brain: Principles and Clinical Implications – Giovanni Gherardi – Journal of Digestive Diseases and Hepatology

Gut microbiota dysbiosis associated with glucose metabolism disorders and the metabolic syndrome in older adults – K Lippert – Beneficial Microbes

Animal experiments

Western Diet–Induced Dysbiosis in Farnesoid X Receptor Knockout Mice Causes Persistent Hepatic Inflammation after Antibiotic Treatment – Prasant K – The American Journal of Pathology

Grape pomace improves performance, antioxidant status, fecal microbiota and meat quality of piglets – I. Kafantaris – Animal

Animal microbiome

Microorganisms of the Intestinal Microbiota of Oncorhynchus Mykiss Produce Antagonistic Substances Against Bacteria Contaminating Food and Causing Disease in Humans – Lobos O – Italian Journal of Food Safety

Population-Specific Responses to Interspecific Competition in the Gut Microbiota of Two Atlantic Salmon (Salmo salar) Populations – Xiaoping He – Microbial Ecology

Habitat and indigenous gut microbes contribute to the plasticity of gut microbiome in oriental river prawn during rapid environmental change – Cheng-Yu Chen – PLoS One

Vertically and horizontally transmitted microbial symbionts shape the gut microbiota ontogenesis of a skin-mucus feeding discus fish progeny – François-Étienne Sylvain – Scientific Reports

Microbiome overview in swine lungs – Franciele Maboni Siqueira – PLoS One

Plant, root, and soil microbiome

Integrated metagenomics and molecular ecological network analysis of bacterial community composition during the phytoremediation of cadmium-contaminated soils by bioenergy crops – Zhaojin Chen – Ecotoxicology and Environmental Safety

Dynamics of Soil Bacterial Communities Over a Vegetation Season Relate to Both Soil Nutrient Status and Plant Growth Phenology – Davide Francioli – Microbial Ecology

Microbial Populations of Stony Meteorites: Substrate Controls on First Colonizers – Alastair W. Tait – Frontiers in Microbiology | Extreme Microbiology

Microbial functional diversity covaries with permafrost thaw-induced environmental heterogeneity in tundra soil – Mengting M. Yuan – Global Change Biology

[PrePrint] Conditionally rare taxa contribute but do not account for prokaryotic community changes in soils – Rachel Kaminsky – bioRxiv

Water and extremophile microbiome 

Performance and bacterial community structure of a 10-years old constructed mangrove wetland – Tingting Tian – Marine Pollution Bulletin

A comparative study revealed first insights into the diversity and metabolisms of the microbial communities in the sediments of Pacmanus and Desmos hydrothermal fields – Hai-liang Wang – PLoS One

Microbial Composition and Diversity Patterns in Deep Hyperthermal Aquifers from the Western Plain of Romania – Cecilia M. Chiriac – Microbiology of Aquatic Systems

Built environment

Pilot study to determine if microbial contamination levels in hospital washrooms are associated with hand drying method – Mark H. Wilcox – Journal of Hospital Infection

Probiotics / prebiotics

Arachidonic acid sex-dependently affects obesity through linking gut microbiota-driven inflammation to hypothalamus-adipose-liver axis – Pan Zhuang – BBA

Functional Characterization of Novel Faecalibacterium prausnitzii Strains Isolated from Healthy Volunteers: A Step Forward in the Use of F. prausnitzii as a Next-Generation Probiotic – Rebeca Martin – Frontiers in Microbiology | Food Microbiology

Bioinformatics

* Abundance estimation and differential testing on strain level in metagenomics data – Martina Fischer – Bioinformatics

Techniques

Development and Use of a Real-Time Quantitative PCR Method for Detecting and Quantifying Equol-Producing Bacteria in Human Faecal Samples and Slurry Cultures – Lucía Vázquez – Frontiers in Microbiology | Food Microbiology

Next-generation Sequencing of the DNA Virome from Fecal Samples – Monaco CL – Bio-protocol

Synthetic multispecies microbial communities reveals shifts in secondary metabolism and facilitates cryptic natural product discovery – Yutong Shi – Environmental Microbiology

Whole-genome sequencing of eukaryotes: From sequencing of DNA fragments to a genome assembly – K. S. Zadesenets – Russian Journal of Genetics

Microbes on the market

Microbiome Sequencing Services Market: trends, analysis, Overview, forecast up to 2021

Ed’s non-microbiology picks

Heavy metal accumulation by Saccharomyces cerevisiae cells armed with metal binding hexapeptides targeted to the inner face of the plasma membrane – Lavinia Liliana Ruta –Applied Microbiology and Biotechnology

Fracking can contaminate rivers and lakes with radioactive material, study finds

Subacute normobaric oxygen and hyperbaric oxygen therapy in drowning, reversal of brain volume loss: a case report – Paul G Harch – Medical Gas Research

No Effect of Commercial Cognitive Training on Neural Activity During Decision-Making – Joseph W. Kable – Journal of Neuroscience

Health Insurance Expansion and Incidence of Out‐of‐Hospital Cardiac Arrest: A Pilot Study in a US Metropolitan Community – Eric C. Stecker – Journal of the American Heart Association

June 15, 2017

Today’s digest is full of plant, animal, and soil microbiome studies as well as a nice serving of human gut science, specifically about FMT.

Events and jobs

Visiting Assistant Professor of Microbiology – Methodist University, North Carolina

GENEWIZ Week – many small events, contests, giveaways, and webinars (including mine on using Metagenomics for Biomarker Discovery posted here on Sunday’s blog post. Since my webinar was yesterday, it will be archived and can be downloaded from genewiz.com, starting next week – don’t forget to check it out!)

General microbiome

* Comprehensive analysis of microorganisms accompanying human archaeological remains – Anna Philips – Gigascience

Pregnancy and early life

Relationships Among Microbial Communities, Maternal Cells, Oligosaccharides, and Macronutrients in Human Milk – Williams JE – Journal of Human Lactation

Human oral microbiome

Targeted Antimicrobial Therapy in the Microbiome Era – Victoria N. Stone – Molecular Oral Microbiology

Human gut microbiome

* Identification of donor microbe species that colonize and persist long term in the recipient after fecal transplant for recurrent Clostridium difficile – Ranjit Kumar – npj Biofilms and Microbiomes

* Fecal microbiota transplantation in metabolic syndrome: History, present and future – P. F. de Groot – Gut microbes

Intestinal microbiota, fecal microbiota transplantation, and inflammatory bowel disease – Weingarden AR – Gut Microbes

Faecal microbiota study reveals specific dysbiosis in spondyloarthritis – Maxime Breban – Annals of Rheumatic Diseases

Metaproteomic analysis of human gut microbiota: where are we heading? – Pey Yee Lee – Journal of Biomedical Science

Animal experiments (mouse/rat experiments, chickens/pigs on different diets)

Variability, stability, and resilience of fecal microbiota in dairy cows fed whole crop corn silage – Minh Thuy Tang – Applied Microbiology and Biotechnology

Plantago ovata in broiler chicken nutrition: Performance, carcass criteria, intestinal morphology, immunity, and intestinal bacterial population – A. Divani – Animal Physiology and Animal Nutrition

Chronic treatment with prebiotics, probiotics and synbiotics attenuated cardiac dysfunction by improving cardiac mitochondrial dysfunction in male obese insulin-resistant rats – Tunapong W – European Journal of Nutrition

Amelioration of obesity-related characteristics by a probiotic formulation in a high-fat diet-induced obese rat model – Joo-Hyun Shin – European Journal of Nutrition

Early Gut Microbiota Intervention Suppresses DSS-Induced Inflammatory Responses by Deactivating TLR/NLR Signalling in Pigs – Yi Xiao – Scientific Reports

* Profound perturbation induced by triclosan exposure in mouse gut microbiome: a less resilient microbial community with elevated antibiotic and metal resistomes – Bei Gao – BMC Pharmacology and Toxicology

Animal microbiome (for animals in the wild)

[PrePrint] Ecophysiology of freshwater Verrucomicrobia inferred from genomes recovered through time-series metagenomics – Shaomei He – bioRxiv

Long-Term Survey Is Necessary to Reveal Various Shifts of Microbial Composition in Corals – Shan-Hua Yang – Aquatic Microbiology (Frontiers in Microbiology)

Preferential suppression of Anopheles gambiae host sequences allows detection of the mosquito eukaryotic microbiome – Eugeni Belda – Scientific Reports

Social odours covary with bacterial community in the anal secretions of wild meerkats – Sarah Leclaire – Scientific Reports

Plant, root, and soil microbiome

Imidacloprid application changes microbial dynamics and enzymes in rice soil – Bibhab Mahapatra – Ecotoxicology and Environmental Safety

Comparison of ammonia oxidation bacteria community structure in paddy soil with different utilized years – Zhao WeiYe – Southwest China Journal of Agricultural Sciences

[MS Thesis] Variation of Soil Microbial Communities within a Consociation Soil Map Unit and a Vegetative Transect through an Oak Motte – Sarah Elizabeth Shawver – Tarleton State University

Effects of different intercropping patterns on rhizosphere soil bacteria colony characteristics and flue-cured tobacco yield and quality – Wei Jun – Guangxi Academy of Agricultural Sciences

Rhizospheric bacteria diversity of Cypripedium macranthum estimated via high throughput sequencing – Zhang Jian -Southwest China Journal of Agricultural Sciences

Denitrifying bacterial communities display different temporal fluctuation patterns across Dutch agricultural soils – Lopez-Lozano NE – Antonie van Leeuwenhoek

Ecophylogeny of the endospheric root fungal microbiome of co-occurring Agrostis stolonifera – Amandine Le Van – PeerJ

Consistent effects of nitrogen fertilization on soil bacterial communities in black soils for two crop seasons in China – Jing Zhou – Scientific Reports

A next generation sequencing approach with a suitable bioinformatics workflow to study fungal diversity in bioaerosols released from two different types of composting plants – Hamza Mbareche – Science of The Total Environment

The Effects of Cropping Regimes on Fungal and Bacterial Communities of Wheat and Faba Bean in a Greenhouse Pot Experiment Differ between Plant Species and Compartment – Granzow S – Frontiers in Microbiology

Water and extremophile microbiome

Unraveling the environmental and anthropogenic drivers of bacterial community changes in the Estuary of Bilbao and its tributaries – Mikel Aguirre – PLOS ONE

Food microbiology

Metagenomics insights into food fermentations – Francesca De Filippis – Microbial Biotechnology

Probiotics / prebiotics

Effect of probiotic Lactobacillus on lipid profile: A systematic review and meta-analysis of randomized, controlled trials – Yuncheng Wu – PLOS ONE

Growing Literature but Limited Evidence: A Systematic Review regarding Prebiotic and Probiotic Interventions for those with Traumatic Brain Injury and/or Posttraumatic Stress Disorder – Lisa A. Brenner – Brain, Behavior, Immunity

Microbes on the market

$10 million gift boosts gut microbiome research at Wash U

Ed’s non-microbiology picks 

Computational design of trimeric influenza-neutralizing proteins targeting the hemagglutinin receptor binding site – Eva-Maria Strauch – Nature Biotechnology

Aberrant telomere length and mitochondrial DNA copy number in suicide completers –  Ikuo Otsuka – Scientific Reports

Impact of nutrition on social decision making – Sabrina Strang – PNAS

Oral vitamin D rapidly attenuates inflammation from sunburn: an interventional study – Jeffrey F. Scott – JID

Adaptive self-organization of Bali’s ancient rice terraces – J. Stephen Lansing – PNAS

Ravens remember the nature of a single reciprocal interaction sequence over 2 days and even after a month – J. J. A. Muller – Animal Behaviour

March 4th, 2017

Events and jobs

Head, Microbiome Discovery Research – Johnson & Johnson

Multi-site human microbiome

Characterization of oral and gut microbiome temporal variability in hospitalized cancer patients – Jessica R. Galloway-Peña – Genome Medicine

Human gut microbiome

Childhood BMI in relation to microbiota in infancy and lifetime antibiotic use – K. Korpela – Microbiome

Animal experiments

Metaproteogenomics reveals taxonomic and functional changes between cecal and fecal microbiota in mouse – Alessandro Tanca – Frontiers in Microbiology

Animal microbiome

Cultivable gut bacteria provide a pathway for adaptation of Chrysolina herbacea to Mentha aquatica volatiles – Graziano Pizzolante – BMC Plant Biology

Gut bacteria oversee the special relationship between the green mint leaf beetle and watermint – BMC Series Blog

Effects of tussah immunoreactive substances on growth, immunity, disease resistance against Vibrio splendidus and gut microbiota profile of Apostichopus japonicus – Shuhui Ma – Fish & Shellfish Immunology

Community-Level Differences in the Microbiome of Healthy Wild Mallards and Those Infected by Influenza A Viruses – Holly H. Ganz – mSystems

The microbiome of the ant-built home: the microbial communities of a tropical arboreal ant and its nest – Jane Lucas – Ecosphere

*Perspective: Gut microbiome transmission in lizards – Timothy J. Colston – Molecular Ecology

Plant, root, and soil microbiome

Microbial communities in soil chronosequences with distinct parent material: the effect of soil pH and litter quality – Fernando D. Alfaro – Journal of Ecology

Water and extremophile microbiome

Volcanic ash supports a diverse bacterial community in a marine mesocosm – V. Witt – Geobiology

Methylamine as a Nitrogen Source for Microorganisms from a Coastal Marine Environment – Martin Taubert – Environmental Microbiology

Built environment

Response of microbial community structure to pre-acclimation strategies in microbial fuel cells for domestic wastewater treatment – Younghyun Park – Bioresource Technology

Food microbiology

Viable microbial loads on citrus carpoplane during packhouse processing and survival of foodborne pathogens in reconstituted postharvest fungicides – A. Gomba – Journal of Food Safety

Bacterial and fungal core microbiomes associated with small grain silages during ensiling and aerobic spoilage – Lysiane Duniere – BMC Microbiology

Probiotics / prebiotics

Microbiome dynamic modulation through functional diets based on pre- and probiotics (mannan-oligosaccharides and Saccharomyces cerevisiae) in juvenile rainbow trout (Oncorhynchus mykiss) – Ana Teresa Gonçalves – Journal of Applied Microbiology

Exploration of the effect of probiotics supplementation on intestinal microbiota of food allergic mice – Bo Yang – American Journal of Translational Research

Phages and viruses

Human norovirus binding to select bacteria representative of the human gut microbiota – Erin A. Almand – PLoS ONE

Environmental Viral Genomes Shed New Light on Virus-Host Interactions in the Ocean – Yosuke Nishimura – mSphere

Bioinformatics

REPARATION: Ribosome Profiling Assisted (Re-)Annotation of Bacterial
genomes – Elvis Ndah – BioRxiv

Normalization and microbial differential abundance strategies depend upon data characteristics – Sophie Weiss – Microbiome

How conserved are the conserved 16S-rRNA regions? – Marcel Martinez-Porchas – PeerJ

Microbes in the news

Gut bacteria affect intestines and brain in IBS patients – Medical News Today

Intestinal Bacteria Alter Gut and Brain Function – Neuroscience News

Why Are People Sending Poop Through the Mail? For Their Health – GQ Magazine

Microbes on the market

Next-gen microbiome drugs are now on sale, should you buy them? – New Scientist

 

Microbiome Digest, October 9, 2014

Human microbiome general

Advancing the Microbiome Research Community – Curtis Huttenhower – Cell

“We outline opportunities in interdisciplinary research, analytical rigor, standardization, and policy development for this relatively new and rapidly developing field. “

Human oral microbiome

Bioinformatic investigation of the cost management strategies of five oral microbes – K.J. Cross – Molecular Oral Microbiology

“The aim of this study was to investigate if five oral bacterial species implement cost management strategies to reduce the energy burden of extracellular unrecyclable proteins.”

Human skin microbiome

Identification of molecular mechanisms used by Finegoldia magna to penetrate and colonize human skin – Elizabeth C. Murphy – Molecular Microbiology

“This study examines the molecular mechanisms F. magna uses when colonizing or establishing an infection in the skin. “

Human gut microbiome

Bacterial ClpB heat-shock protein, an antigen-mimetic of the anorexigenic peptide α-MSH, at the origin of eating disorders – N Tennoune – Translational Psychiatry

“Here, using proteomics, we identified ClpB heat-shock disaggregation chaperone protein of commensal gut bacteria Escherichia coli as a conformational antigen mimetic of α-MSH.”

Animal models of microbiome research

Effects of essential oil supplementation of a low-energy diet on performance, intestinal morphology and microflora, immune properties and antioxidant activities in weaned pigs – Zhikai Zeng – Animal Science Journal

Soil microbiome

Poster presentation: Starting study of microbial genetics diversity in soils of mangrove preserved in sergipe – Karla Cristina Santos Freire – BMC Proceedings

“This paper proposes the characterization and evaluation of structures and diversity of microbial communities in the soil of mangroves in three conservation areas located in Sergipe.“

Community assembly of ectomycorrhizal fungi along a subtropical secondary forest succession – Cheng Gao – New Phytologist

“We examined the communities of ectomycorrhizal (EM) fungi in young, intermediate and old forests in a Chinese subtropical ecosystem, using 454 pyrosequencing”

Metagenomics / Bioinformatics

Functional phylogenomics analysis of bacteria and archaea using consistent genome annotation with UniFam – Juanjuan Chai – BMC Evolutionary Biology

“A total of 14,727 GenBank prokaryotic genomes were re-annotated using a new protein family database, UniFam, to obtain consistent functional annotations for accurate comparison. “

More Microbiology

Halting harmful helminths – Karl F. Hoffmann, Paul J. Brindley, Matthew Berriman – Science

“More than 300 million people are infected each year with parasitic flatworms such as hydatid tapeworms and blood fluke schistosomes. “

Chromosome position effects on gene expression in Escherichia coli K-12 – Jack A. Bryant – Nucleic Acids Research

“Here, using Escherichia coli K-12, we demonstrate that expression of a reporter gene cassette, comprised of the model E. coli lac promoter driving expression of gfp, varies by ∼300-fold depending on its precise position on the chromosome. “

Microbes in the news

‘Good Poop’ Diet Is the Next Big Thing – Daniela Drake – The Daily Beast

“Now a new book, The Skinny Gut Diet, by nutritionist Brenda Watson, tracks the progress of people who follow a diet specifically designed to alter the gut microbiome. “

Another probiotic advantage: Bacteria protects against heavy metal poisoning – Jim Algar – Tech Times

“Probiotic bacteria found in yogurt can protect people from the effects of exposure to heavy metals, particularly in pregnant women and children, a Canadian study suggests.”

Science, publishing, career

The scientists who get credit for peer review – Richard Van Noorden – Nature

“Publons rewards researchers for putting their peer-review activity online. Nature spoke to the startup’s co-founder and two super-users.”

Meet the New Underclass: People With Ph.D.s in Science – Mark Strauss – iO9

“Once upon a time, newly-minted science Ph.D.s would get research jobs at a senior scientist’s laboratory, to train and hone the ideas they would explore at their own labs. But now the supply of post-doctoral students is outpacing demand, creating a new, hyper-educated underclass.”

Glut of postdoc researchers stirs quiet crisis in science –  Carolyn Y. Johnson – Boston Globe

Japan’s Missing Female Scientists – Jack Grove – Times Higher Education

“Too many female scientists are leaving Japan because they do not feel they can get ahead in its “male-dominated” society, a senior university leader has said.”

Bik’s Picks

Cave paintings change ideas about the origin of art – Pallab Ghosh – BBC

“Researchers tell the journal Nature that the Indonesian discovery transforms ideas about how humans first developed the ability to produce art.”

A timeline of a baby’s first hour – Laura Sanders – Science News

Fired science teacher did not have state license – 9 News

“The teacher fired after his science experiment injured four students, one seriously, did not have a valid Colorado teacher’s license.”

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Microbiome digest, October 8, 2014

Blogging from our yearly retreat in Santa Cruz, California: Rethinking Enterotypes, Wolbachia phylogenomics,  hydrothermal vents, and the influence of salamanders on soil microbiome.

Human Microbiome General

Genes & cells: Body microbes make useful molecules: Human microbiome produces thousands of drug candidates – Tina Hesman Saey – Science News

Human Gut Microbiome

Rethinking “Enterotypes” – Dan Knights – Cell Host and Microbe

“However, as discussed here, several different methods of collapsing enterotype variation into a few discrete clusters suggest that enterotype distribution is continuous and can vary widely within an individual.”

Fecal Bacterial Community Changes Associated with Isoflavone Metabolites in Postmenopausal Women after Soy Bar Consumption – Cindy H. Nakatsu – PLOS ONE

“Using DGGE profiles of PCR amplified 16S rRNA genes (V3 region) to compare microbial communities in fecal samples collected one week before and one week during soy supplementation revealed significant differences (ANOSIM p<0.03) before and after soy supplementation in all subjects. “

Insect microbiome

Phylogenomic analyses uncover origin and spread of the Wolbachia pandemic – Michael Gerth  – Nature Communications

“Here we present the first comprehensive phylogenomic analysis of Wolbachia supergroup relationships based on new whole-genome-shotgun data.”

Coral microbiome

Comparing Bacterial Community Composition of Healthy and Dark Spot-Affected Siderastrea siderea in Florida and the Caribbean – Christina A. Kellogg – PLOS ONE

“Microbial-community DNA was extracted from coral samples (mucus, tissue, and skeleton), amplified using bacterial-specific primers, and applied to PhyloChip G3 microarrays to examine the bacterial diversity associated with this coral. “

Soil Microbiome

Summer temperature increase has distinct effects on the ectomycorrhizal fungal communities of moist tussock and dry tundra in Arctic Alaska – Luis N. Morgado – Global Change Biology

“We used Ion Torrent sequencing of the rDNA internal transcribed spacer 2 (ITS2) region to compare ECM fungal communities in plots with and without long-term experimental warming in both dry and moist tussock tundra.”

A metagenomics-based approach to the top-down effect on the detritivore food web: a salamanders influence on fungal communities within a deciduous forest – Donald M. Walker – Ecology and Evolution

“From each sample, DNA was extracted, fungal-specific amplification performed, and 454 pyrosequencing was used to sequence the nuclear ribosomal internal transcribed spacer (ITS2) region and partial ribosomal large subunit (LSU).”

Water microbiome

Evolutionary Strategies of Viruses, Bacteria and Archaea in Hydrothermal Vent Ecosystems Revealed through Metagenomics – Rika E Anderson – PLOS ONE

“Here, we explore the evolutionary strategies of both microorganisms and viruses in hydrothermal systems through comparative analysis of a cellular and viral metagenome, “

Metabolomics

Discovery and Characterization of Gut Microbiota Decarboxylases that Can Produce the Neurotransmitter Tryptamine – Brianna B. Williams – -Cell Host and Microbe

“Using a combination of genetics, biochemistry, and crystallography, we identify and characterize two phylogenetically distinct enzymes found in the human microbiome that decarboxylate tryptophan to form the β-arylamine neurotransmitter

Techniques

Selective Microbial Genomic DNA Isolation Using Restriction Endonucleases – Helen E. Barnes – PLOS ONE

“Using synthetic genome mixtures, we demonstrate 80% recovery of Escherichia coli genomic DNA even when only femtogram quantities are spiked into 10 µg of human DNA background.”

 More Microbiology

Pseudomonas aeruginosa eradicates Staphylococcus aureus by manipulating the host immunity – Erwan Pernet – Nature Communications

“Our results indicate that a bacterium can eradicate another bacterium by manipulating the host immunity.”

Preparation and evaluation of low-calorie functional ice cream containing inulin, lactulose and Bifidobacterium lactis  – Majid Hashemi- International Journal of Dairy Technology

“This study was aimed to investigate the effects of replacing 5% fat and sugar by inulin and lactulose, respectively, on the survival of Bifidobacterium lactis and physicochemical and sensorial characteristics of the ice cream. “

Microbes in the News

Second Genome, Mayo Clinic team up to explore the microbiome – Stephanie M. Lee – SF Gate

“Second Genome will identify up to eight conditions in which the microbiome potentially plays a role, and the Mayo Clinic will provide human clinical samples for patients with those diseases.”

 Oral health affects overall health – PhillyTrib

“The evidence shows that an infection from periodontitis, or gum disease, can put you at risk for other serious conditions like heart disease, stroke and more.”

Safety Bees: Bacteria From Bees Used To Fight Infections – The Ledger

 “A group of 13 lactic-acid bacteria found in fresh honey from the honey stomach of bees could be the key to bringing an old folk remedy into modern science”

Bik’s Picks  

How dinosaurs divided their meals at the Jurassic dinner table – Science Daily

“How the largest animals to have ever walked on Earth fed, and how this allowed them to live alongside one another in prehistoric ecosystems, is the subject of new research.”

Imitation, Genetic Lineages, and Time Influenced the Morphological Evolution of the Violin – Daniel H. Chitwood – PLOS ONE

“Here, I provide an analysis of morphological evolution in the violin family, sampling the body shapes of over 9,000 instruments over 400 years of history.”

Cat Watch 2014: What’s it like being a cat? – BBC

“Cats are at a crucial point in their evolutionary journey as they transform from solitary hunters to domestic pets, a study by the BBC and the Royal Veterinary College has revealed.”
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