Author Archives: anjacobson

March 30, 2017

Posted on by

Midgut microbiome of a vector for leishmaniasis, reviews on the human oral microbiome, using microfluidics to visualize live root-bacteria interactions, new open-access publishing project from the Gates Foundation.

General microbiome

Lotka-Volterra pairwise modeling fails to capture diverse pairwise microbial interactions – Babak Moment – eLIFE

Human oral microbiome

Review: Oral Microbiome and Nitric Oxide: the Missing Link in the Management of Blood Pressure – Nathan S. Bryan – Current Hypertension Reports

Review: Microbiota, Immune Subversion, and Chronic Inflammation – Carolyn D Kramer – Frontiers in Microbiology

Human gut microbiome

Highlight: Shaping the gut microbiome from the pancreas – Wei Wong – Science Signaling

Review: Mechanisms and consequences of intestinal dysbiosis – G. Adrienne Weiss – Cellular and Molecular Life Sciences

Animal experiments

Metaproteogenomics Reveals Taxonomic and Functional Changes between Cecal and Fecal Microbiota in Mouse – Alessandro Tanca – Frontiers in Microbiology

Helminth-induced alterations of the gut microbiota exacerbate bacterial colitis – C Su – Mucosal Immunology

Sex-related alterations of gut microbiota composition in the BTBR mouse model of autism spectrum disorder – Lorena Coretti – Scientific Reports

Milk Fat Globule Membrane Supplementation in Formula Modulates the Neonatal Gut Microbiome and Normalizes Intestinal Development – Ganive Bhinder – Scientific Reports

Gut metagenomic analysis reveals prominent roles of Lactobacillus and cecal microbiota in chicken feed efficiency – Wei Yan – Scientific Reports

Animal microbiome

An integrated overview of the midgut bacterial flora composition of Phlebotomus perniciosus, a vector of zoonotic visceral leishmaniasis in the Western Mediterranean Basin – Wael Fraihi – PLOS Neglected Tropical Diseases

Plant, root, and soil microbiome

* Live imaging of root–bacteria interactions in a microfluidics setup – Hassan Massalha – PNAS

Mechanisms of nitrogen deposition effects on temperate forest lichens and trees – Therese S. Carter – Ecosphere

Research priorities for harnessing plant microbiomes in sustainable agriculture – Posy E Busby – PLOS Biology

Fe plaque-related aquatic uranium retention via rhizofiltration along a redox-state gradient in a natural Phragmites australis Trin ex Steud. wetland – Weqing Wang – Environmental Science and Pollution Research

Functional and phylogenetic diversity of cultivable rhizobacterial endophytes of sorghum [Sorghum bicolor (L.) Moench] – Venkadasamy Govindasamy – Antonie van Leeuwenhoek

Enhanced growth of halophyte plants in biochar-amended coastal soil: roles of nutrient availability and rhizosphere microbial modulation – Hao Zheng – Plant, Cell & Environment

Water and extremophile microbiome

Metagenomic Analysis of a Complex Community Present in Pond Sediment – Vivek Negi – Journal of Genomics

Probiotics/prebiotics

The preliminary study of prebiotic potential of Polish wild mushroom polysaccharides: the stimulation effect on Lactobacillus strains growth – Renata Nowak – European Journal of Nutrition

Probiotics may delay the progression of nonalcoholic fatty liver disease by restoring the gut microbiota structure and improving intestinal endotoxemia – Li Xue – Scientific Reports

Bioinformatics

MIPE: A metagenome-based community structure explorer and SSU primer evaluation tool – Bin Zou – PLOS One

Metabolomics

Gas chromatography/mass spectrometry metabolomics of urine and serum from nonhuman primates exposed to ionizing radiation: Impacts on the tricarboxylic acid cycle and protein metabolism – Evan L Pannkuk – Journal of Proteome Research

Techniques

Review: Pretreatment methods of lignocellulosic biomass for anaerobic digestion – Farrukh Raza Amin – AMB Express

Comparison of Standard Culture-Based Method to Culture-Independent Method for Evaluation of Hygiene Effects on the Hand Microbiome – C Zapka – mBio

More microbes

Depleting Mycobacterium tuberculosis of the transcription termination factor Rho causes pervasive transcription and rapid death – Laure Botella – Nature Communications

A Pseudomonas T6SS effector recruits PQS-containing outer membrane vesicles for iron acquisition – Jinshui Lin – Nature Communications

Indole-Induced Activities of β-Lactamase and Efflux Pump Confer Ampicillin Resistance in Pseudomonas putida KT2440 – Jisun Kim – Frontiers in Microbiology

Microbes in the news

Microbiome: Puppy power – Sujata Gupta – Nature (Outlook section)

Biological underpinnings of chronic fatigue syndrome begin to emerge – Amy Maxmen – Nature (News section)

Bacteria from sewage are infecting coral reefs – Elena Motivans – ZME Science

Key research priorities for agricultural microbiomes identified – Phys Org

Viral Bacterial Parasites Called Phages Drive Co-Evolution of Gut Microbiome – MedicalResearch.com

MSU, Shedd Aquarium partnering to create healthier aquatic homes – EurekAlert

Painting with bacteria is a thing and BUGSS will show you how – Stephen Babcock – Technical.ly Baltimore

Microbes on the market

Marrone Bio Innovations and Evogene Advance Novel Bacteria and Related Proteins Beyond Discovery into Insecticidal Product Development Phase – GlobeNewswire – Yahoo!Finance

Science, publishing, and career

* Gates Foundation announces open-access publishing venture – Declan Butler – Nature (News section)

The readability of scientific texts is decreasing over time – Pontus Plavén-Sigray – bioRxiv

Amy’s non-microbiology picks

Iron minerals within specific microfossil morphospecies of the 1.88 Ga Gunflint Formation – Kevin Lepot – Nature Communications

March 9, 2017

Posted on by

A variety of reviews about the oral microbiome and periodontal disease, a perspective piece on secondary metabolites mediating symbiotic interactions in the new Nature Reviews Chemistry journal, Akkermansia muciniphila’s involvement in host immune homeostasis, new insight into how raindrops disperse bacteria from soil into the air.

General microbiome

* Perspective: Hijacking exogenous signals to generate new secondary metabolites during symbiotic interactions – Rurun Wang – Nature Reviews Chemistry

Cooperation of Gastric Mononuclear Phagocytes with Helicobacter pylori during Colonization – Monica Viladomiu – Journal of Immunology

Human respiratory microbiome

Longitudinal sampling of the lung microbiota in individuals with cystic fibrosis – Fiona J. Whelan – PLoS ONE

Human oral microbiome

Review: Role of microbial communities in the pathogenesis of periodontal diseases and caries – Alex Mira – Journal of Clinical Periodontology

Review: Dental biofilm: ecological interactions in health and disease – P. D. Marsh – Journal of Clinical Periodontology

Review: The oral cavity microbiota: between health, oral disease and cancers of the aerodigestive tract – Pierre Le Bars – Canadian Journal of Microbiology

A new mathematical model of bacterial interactions in two-species oral biofilms – Bénédicte Martin – PLoS ONE

Human urinary microbiome

Alterations of Urinary Microbiota in Type 2 Diabetes Mellitus with Hypertension and/or Hyperlipidemia – Fengping Liu – Frontiers in Physiology

Human gut microbiome

Impact of Bariatric Surgery on Metabolic and Gut Microbiota Profile: a Systematic Review and Meta-analysis – Dimitrios E. Magouliotis – Obesity Surgery

Commensal gut bacteria modulate phosphorylation-dependent PPARγ transcriptional activity in human intestinal epithelial cells – Malgorzata Nepelska – Scientific Reports

* Pili-like proteins of Akkermansia muciniphila modulate host immune responses and gut barrier function – Noora Ottman – PLoS ONE

Altered intestinal microbiota in patients with chronic pancreatitis: implications in diabetes and metabolic abnormalities – Sai Manasa Jandhyala – Scientific Reports

Disease-Associated Changes in Bile Acid Profiles and Links to Altered Gut Microbiota – Susan A. Joyce – Digestive Diseases

One-year calorie restriction impacts gut microbial composition but not its metabolic performance in obese adolescents – Alicia Ruiz – Environmental Microbiology

Dysbiosis of Gut Microbiota Associated with Clinical Parameters in Polycystic Ovary Syndrome – Rui Liu – Frontiers in Microbiology

Animal experiments

Bifidobacterium breve with α-linolenic acid alters the composition, distribution and transcription factor activity associated with metabolism and absorption of fat – Elaine Patterson – Scientific Reports

Exploring gastric bacterial community in young pigs – Vincenzo Motta – PLoS ONE

Animal microbiome

Parasitism perturbs the mucosal microbiome of Atlantic Salmon – M. S. Llewellyn – Scientific Reports

The microbiome composition of Aedes aegypti is not critical for Wolbachia-mediated inhibition of dengue virus – Michelle D. Audsley – PLoS Neglected Tropical Diseases

Endosymbiotic calcifying bacteria across sponge species and oceans – Leire Garate – Scientific Reports

Bacterial communities associated with Shinkaia crosnieri from the Iheya North, Okinawa Trough: Microbial diversity and metabolic potentials – Jian Zhang – Journal of Marine Systems

Diet affects arctic ground squirrel gut microbial metatranscriptome independent of community structure – Jasmine J. Hatton – Environmental Microbiology

Plant, root, and soil microbiome

Microbial Communities as Environmental Indicators of Ecological Disturbance in Restored Carbonate Fen-Results of 10 Years of Studies – Tomasz Mieczan – Microbial Ecology

Rhizospheric microbial community of Caesalpinia spinosa (Mol.) Kuntze in conserved and deforested zones of the Atiquipa fog forest in Peru – Irene Cordero – Applied Soil Ecology

Abundance and diversity of ammonia-oxidizing archaea and bacteria in the rhizosphere soil of three plants in the Ebinur Lake wetland – Yuan He – Canadian Journal of Microbiology

Alphaproteobacteria fix nitrogen in a Sphagnum-dominated peat bog using molybdenum-dependent nitrogenase – Melissa J. Warren – bioRxiv

Water and extremophile microbiome

Quantifying the importance of the rare biosphere for microbial community response to organic pollutants in a freshwater ecosystem – Yuanqi Wang – Applied and Environmental Microbiology

Comparison of Prokaryotic Diversity in Cold, Oligotrophic Remote Lakes of Chilean Patagonia – Paulina Aguayo – Current Microbiology

Plasmid DNA analysis of pristine groundwater microbial communities reveal extensive presence of metal resistance genes – Ankita Kothari – bioRxiv

Food microbiology

Characterization of microbial population of breba and main crops (Ficus carica) during cold storage: Influence of passive modified atmospheres (MAP) and antimicrobial extract application – María del Carmen Villalobos – Food Microbiology

Genetic diversity, safety and technological characterization of lactic acid bacteria isolated from artisanal Pico cheese – M. F. P. Domingos-Lopes – Food Microbiology

Probiotics/prebiotics

A proliferative probiotic Bifidobacterium strain in the gut ameliorates progression of metabolic disorders via microbiota modulation and acetate elevation – Ryo Aoki – Scientific Reports

More microbes

* Bioaerosol generation by raindrops on soil – Young Soo Joung – Nature Communications

Cooperation in carbon source degradation shapes spatial self-organization of microbial consortia on hydrated surfaces – Robin Tecon – Scientific Reports

Microbes in the news

The ‘Dark Matter’ of the Microbial World – Sarah Zhang – The Atlantic

Scientists Make Art From Objects Invisible to the Naked Eye – Marissa Fessenden – Smithsonian

February 24, 2017

Posted on by

Bioassay-guided metabolomics reveal new polyketide macrolactams from termite-associated actinomycete, the microbiota affects host antibody repertoire, artist makes agar molds of her face and grows bacteria on them, the fecal microbiota of Old World vultures.

Events and jobs

“Research Instructor – Microbiology & Immunology” at the Medical University of South Carolina

General microbiome

Review: Carcinogenesis and therapeutics: the microbiota perspective – Matthew C. B. Tsilimigras – Nature Microbiology

Pregnancy and early life

Review: Microbiome, autoimmunity, allergy, and helminth infection: The importance of the pregnancy period – Xian Chen – American Journal of Reproductive Immunology

Impact of microbial invasion of amniotic cavity and the type of microorganisms on short-term neonatal outcome in women with preterm labor and intact membranes – Teresa Cobo – Acta Obstetricia et Gynecologica Scandinavica

Human oral microbiome

Betel nut chewing, oral premalignant lesions, and the oral microbiome – Brenda Y. Hernandez – PLOS One

Human gut microbiome

Review: Gut Microbiota: A Potential Regulator of Neurodevelopment – Paola Tognini – Frontiers in Cellular Neuroscience

New evidences on the altered gut microbiota in autism spectrum disorders – Francesco Strati – Microbiome

Massilioclostridium coli gen. nov., sp. nov., a new member of the Clostridiaceae family isolated from the left colon of a 27-year-old woman – C. I. Lo – New Microbes and New Infections

Impact of humic acids on the colonic microbiome in healthy volunteers – Alexander Swidsinski – World Journal of Gastroenterology

Animal experiments

* IgD class switching is initiated by microbiota and limited to mucosa-associated lymphoid tissue in mice – Jin Huk Choi – PNAS

An Intestinal Farnesoid X Receptor-Ceramide Signaling Axis Modulates Hepatic Gluconeogenesis in Mice – Cen Xie – Diabetes

Effects of xylanase supplementation on growth performance, nutrient digestibility, blood parameters, fecal microbiota, fecal score and fecal noxious gas emission of weaning pigs fed corn-soybean meal-based diet – Ruixia Lan – Animal Science Journal

Animal microbiome

Assessment of Ruminal Bacterial and Archaeal Community Structure in Yak (Bos grunniens) – Zhenming Zhou – Frontiers in Microbiology

Changes in Metabolically Active Bacterial Community during Rumen Development, and Their Alteration by Rhubarb Root Powder Revealed by 16S rRNA Amplicon Sequencing – Zuo Wang – Frontiers in Microbiology

Metataxonomics reveal vultures as a reservoir for Clostridium perfringens – Xiangli Meng – Emerging Microbes and Infections

The fecal microbiome of dogs with exocrine pancreatic insufficiency – Anitha Isaiah – Anaerobe

Plant, root, and soil microbiome

Host-parasite-bacteria triangle: the microbiome of the parasitic weed Phelipanche aegyptiaca and tomato-Solanum lycopersicum (Mill.) as a host – Lilach Iasur Kruh – Frontiers in Plant Science

Diversity of root-associated fungi of Vaccinium mandarinorum along a human disturbance gradient in subtropical forests, China – Yanhua Zhang – Journal of Plant Ecology

Effects of long-term heavy metals contamination on soil microbial characteristics in calcareous agricultural lands (Saiss plain, North Morocco) – A. Kouchou – Journal of Materials and Environmental Sciences

Global transcriptional response to salt shock of the plant microsymbiont Mesorhizobium loti MAFF303099 – Marta Laranjo – Research in Microbiology

Novosphingobium pokkalii sp nov, a novel rhizosphere-associated bacterium with plant beneficial properties isolated from saline-tolerant pokkali rice – Ramya Krishnan – Research in Microbiology

Assembly patterns of soil-dwelling lichens after glacier retreat in the European Alps – Juri Nascimbene – Journal of Biogeography

Soil classification predicts differences in prokaryotic communities across a range of geographically distant soils once pH is accounted for – Rachel Kaminsky – bioRxiv

Water and extremophile microbiome

Different types of diatom-derived extracellular polymeric substances drive changes in heterotrophic bacterial communities from intertidal sediments – Julio Bohorquez – Frontiers in Microbiology

Broadcast Spawning Coral Mussismilia hispida Can Vertically Transfer its Associated Bacterial Core – Deborah C. A. Leite – Frontiers in Microbiology

Built environment

Microbial diversity of a full-scale UASB reactor applied to poultry slaughterhouse wastewater treatment: integration of 16S rRNA gene amplicon and shotgun metagenomic sequencing – Tiago Palladino Delforno – MicrobiologyOpen

Metabolomics

* Macrotermycins A−D, Glycosylated Macrolactams from a Termite- Associated Amycolatopsis sp. M39 – Christine Beemelmanns – Organic Letters

compMS2Miner: an automatable metabolite identification, visualization and data-sharing R package for high-resolution LC-MS datasets – William Matthew Bell Edmands – Analytical Chemistry

More microbes

Indole production provides limited benefit to Escherichia coli during co-culture with Enterococcus faecalis – Shelly L. Pringle – Archives of Microbiology

Microbes in the news

* Art Grows on You – Lara Medlam – Nouse

Beware! Are bacteria raising your oxidative stress? – Purna Kashyap – Science Translational Medicine

Microbes on the market

Finch Therapeutics Announces Strategic Collaboration with OpenBiome to Develop Microbiome Therapies for FDA Approval – Business Wire

February 9, 2017

Posted on by

Metabolomic analysis to determine affects of antibiotic treatment on the microbiome, capsular polysaccharide structure from marine bacterium, altering soil bacterial communities from use of organic-inorganic fertilization, new CRISPR-Cas systems discovered in uncultivated microbes.

General microbiome

Metabolic effects of Lactobacillus reuteri DSM 17938 in people with type 2 diabetes: A randomized controlled trial – Reza Mobini – Diabetes, Obesity and Metabolism

Pregnancy and early life

Diversity and composition of vaginal microbiota of pregnant women at risk for transmitting Group B Streptococcus treated with intrapartum penicillin – Luiz Fernando Wurdig Roesch – PLOS ONE

Human oral microbiome

Isolation and identification methods of Rothia species in oral cavities – Osamu Tsuzukibashi – Journal of Microbiological Methods

Association of oral microbiome with type 2 diabetes risk – J Long – Journal of Periodontal Research

Human skin microbiome

Microbiome precision editing: Using PEG as a selective fermentation initiator against methicillin-resistant Staphylococcus aureus – Ming-Shan Kao – Biotechnology Journal

Human gut microbiome

Comparative study on the in vitro effects of Pseudomonas aeruginosa and seaweed alginates on human gut microbiota – Shaofeng Bai – PLOS ONE

Rett Syndrome: A Focus on Gut Microbiota – Elisa Borghi – International Journal of Molecular Sciences

Colonization with enterotoxigenic Bacteroides fragilis is associated with early-stage colorectal neoplasia – Rachel V Purcell – PLOS ONE

Gut dysbiosis is associated with metabolism and systemic inflammation in patients with ischemic stroke – Kazuo Yamashiro – PLOS ONE

Glycomacropeptide sustains microbiota diversity and promotes specific taxa in an artificial colon model of elderly gut microbiota – Alexandra Ntemiri – Journal of Agricultural and Food Chemistry

Animal experiments

* Early life antibiotic exposure affects pancreatic islet development and metabolic regulation – Jiaying Li – Scientific Reports

Reduction of Abeta amyloid pathology in APPPS1 transgenic mice in the absence of gut microbiota – T Harach – Scientific Reports

Animal microbiome

Comparative study of the gut microbiome potentially related to milk protein in Murrah buffaloes (Bubalus bubalis) and Chinese Holstein cattle – Jiachao Zhang – Scientific Reports

Fish Intestinal Microbiome: Diversity and Symbiosis Unraveled by Metagenomics – AM Tarnecki – Journal of Applied Microbiology

Plant, root, and soil microbiome

Exploring the symbiont diversity of ancient western redcedars: arbuscular mycorrhizal fungi of long-lived hosts – Monika A Gorzelak – Molecular Ecology

Community-level physiological profiling analyses show potential to identify the copiotrophic bacteria present in soil environments – Salvador Lladó – PLOS ONE

Arbuscular mycorrhiza enhance the rate of litter decomposition while inhibiting soil microbial community development – Heng Gui – Scientific Reports

Bacterial Community Structure after Long-term Organic and Inorganic Fertilization Reveals Important Associations between Soil Nutrients and Specific Taxa Involved in Nutrient Transformations – Fang Li – Frontiers in Microbiology

The effects of fluoride based fire-fighting foams on soil microbiota activity and plant growth during natural attenuation of perfluorinated compounds – Renato Nallin Montagnolli – Environmental Toxicology and Pharmacology

Chapter: Phytostimulation and Biocontrol by the Plant-Associated Bacillus amyloliquefaciens FZB42: An Update – Rainer Borriss – Bacilli and Agrobiotechnology

Chapter: New Insights in Plant-Associated Paenibacillus Species: Biocontrol and Plant Growth-Promoting Activity – Sadhana Lal – Bacilli and Agrobiotechnology

Variations of soil microbial community structures beneath broadleaved forest trees in temperate and subtropical climate zones – Sihang Yang – Frontiers in Microbiology

Water and extremophile microbiome

The effects of elevated seawater temperatures on Caribbean gorgonian corals and their algal symbionts, Symbiodinium spp. – Tamar L. Goulet – PLOS ONE

* Structural characterization of an all-aminosugar-containing capsular polysaccharide from Colwellia psychrerythraea 34H – Angela Casillo – Antonie van Leeuwenhoek

Illumina sequencing-based analysis of sediment bacteria community in different trophic status freshwater lakes – Yu Wan – Microbiology Open

Bacterial communities in sediment of a Mediterranean Marine Protected Area – Valentina Catania – Canadian Journal of Microbiology

Metagenomic survey of the taxonomic and functional microbial communities of seawater and sea ice from the Canadian Arctic – Etienne Yergeau – Scientific Reports

The effect of top-predator presence and phenotype on aquatic microbial communities – Karen E. Sullam – Ecology and Evolution

Metabolomics

Divergent Relationships between Fecal Microbiota and Metabolome following Distinct Antibiotic-Induced Disruptions – Jocelyn M. Choo – mSphere

Techniques

A novel LCMSMS method for quantitative measurement of short-chain fatty acids in human stool derivatized with 12C- and 13C-labelled aniline – James Chun Yip Chan – Journal of Pharmaceutical and Biomedical Analysis

More microbes

* New CRISPR–Cas systems from uncultivated microbes – David Burstein – Nature

Adaptation of genetically monomorphic bacteria: evolution of copper resistance through multiple horizontal gene transfers of complex and versatile mobile genetic elements – D Richard – Molecular Ecology

Microbes in the news

Microbial Molecules from the Multitudes within Us – Matthew R. Redondo – Cell Metabolism

Boston Children’s Hospital and uBiome to Investigate Premature Births – PRWeb

Cholera bacteria stab and poison enemies at predictable rates – Georgia Institute of Technology – ScienceDaily

ADA funds Kostic Lab to create model linking the microbiome to type 1 diabetes – EurekAlert

January 17, 2017

Posted on by

Bacterial content of human milk, contribution of the microbiota to serotonin and bile acid production, review of genome-scale metabolic network models, model multi-species biofilm to study formation and interaction dynamics in bioelectrochemical systems.

Pregnancy and early life

Review: Interactions between early life stress and metabolic stress in programming of mental and metabolic health – Francesca Cirulli – Current Opinion in Behavioral Sciences

A retrospective audit of bacterial culture results of donated human milk in Perth, Western Australia – Yahya Almutawif – Early Human Development

Animal experiments

Antibiotics-induced depletion of mice microbiota induces changes in host serotonin biosynthesis and intestinal motility – Xiaolong Ge – Journal of Translational Medicine

Food microbiology

* Resilience, dynamics and interactions within a multi-species exoelectrogenic model biofilm community – Anna Prokhorova – Applied and Environmental Microbiology

Metabolomics

Review: Metabolic network modeling with model organisms – L Safak Yilmaz – Current Opinion in Chemical Biology

More microbes

Research Highlight: Evolutionary insights from the Vikings – Ashley York – Nature Reviews Microbiology

Microbes in the news

New Study Raises Specter of More Bacteria Resistant to Last Line Antibiotics – Ellie Kincaid – The Wall Street Journal

Teaching computers to recognize sick guts—machine learning and the microbiome – provided by University of California, San Diego – Phys.org

Woman Dies From Bacteria Resistant To All Antibiotics: Why Don’t More People Care? – Bruce Y. Lee – Forbes Pharma & Healthcare

Essential Science: Using bacteria to generate useful chemicals – Tim Sandle – Digital Journal

Bugs in space! Using microgravity to understand how bacteria can cause disease – Ellen Higginson – OUPblog

Are probiotics the answer for lactose intolerance? – Matt Englund – Medical Xpress

Heat & drug tolerant bacteria in Hyderabad meat triggers alarm – Syed Akbarl – The Times of India

Probiotics and Alzheimer’s: Personalised nutrition tipped to become crucial area of treatment research – Gary Scattergood – Nutraingredients.com

Microbes on the market

Global Human Microbiome Market Size, Share, Development and Demand, Forecast to 2022 – P&S Market Research – openPR

Seres Therapeutics, Inc. (MCRB) Downgraded by Zacks Investment Research – Daniel Jordon – Sports Perspectives and Market News