March 14, 2017

A short Digest today, many news pieces, a new bioinformatics tool from the Rob Knight lab, and papers on genome-scale metabolic models.

General microbiology

Pentamidine sensitizes Gram-negative pathogens to antibiotics and overcomes acquired colistin resistance – Jonathan M. Stokes – Nature Microbiology

Press: Antiprotozoal drug, Pentamidine, used with antibiotics effective against ‘superbugs’: McMaster research – Outbreak News Today

Antibiotic resistance genes and correlations with microbial community and metal resistance genes in full-scale biogas reactors as revealed by metagenomic analysis – Gang Luo – Environmental Science & Technology

Activity screening of environmental metagenomic libraries reveals novel carboxylesterase families – Ana Popovic – Scientific Reports

Animal experiments

Eggshell membrane powder ameliorates intestinal inflammation by facilitating the restitution of epithelial injury and alleviating microbial dysbiosis – Huijuan Jia – Scientific Reports

Animal microbiome

Dramatic differences in gut bacterial densities help to explain the relationship between diet and habitat in rainforest ants – Jon G. Sanders – bioRxiv

Plant, root, and soil microbiome

Book chapter – Chapter 16: Growth Promotion Features of the Maize Microbiome: From an Agriculture Perspective – Ubiana de Cássia Silva – Plant-Microbe Interaction: An Approach to Sustainable Agriculture


Evaluating the Capabilities of Microbial Chemical Production Using Genome-Scale Metabolic Models – Hugh M. Purdy and Jennifer L. Reed – Current Opinion in Systems Biology

Model-based quantification of metabolic interactions from dynamic microbial-community data – Mark Hanemaaijer – PLoS One

Review: Current state and applications of microbial genome-scale metabolic models – Won Jun Kim – Current Opinion in Systems Biology


Deblur: Correcting for Microbial Blooms in Fecal Samples during Room-Temperature Shipping – Amnon Amir – mSystems

Deblur: Deblur Rapidly Resolves Single-Nucleotide Community Sequence Patterns – Amnon Amir – mSystems

Microbes in the news

Common Bacteria May Control Disease-Carrying Insects – Jessica Berman – VOA

Study finds new evidence that viruses and bacteria may be found in some public water supply wells – Home Town Source

Your mobile phone has more germs than a toilet seat, but should you worry? – The News Minute

Mining nature for the next groundbreaking antibiotic – Julia Franz – PRI

February 22, 2017

Here’s your daily routine. Autoregressive and non-autoregressive regimes in the human gut microbiome. The interaction between diet, microbiota and personalized nutrition. More topics to think about: reproducibility in the microbiome studies, intellectual property in the microbiome industry, and heavy rain brings fatal bugs to northern Californian dogs.

Events and jobs

The 3rd Annual Translational Microbiome Conference – April 11-13, 2017 – Boston, MA

Microbiology Laboratory Technician – ALS Life Sciences – Ireland

Field Sales Manager, Microbiology, Molecular Biology, Chemistry – Cromwell and Clark – UK

General microbiology

Vancomycin displays time-dependent eradication of mature Staphylococcus aureus biofilms – Virginia Post – Journal of Orthopaedic Research

Ribosomal mutations promote the evolution of antibiotic resistance in a multidrug environment – James E. Gomez – eLife

Press: Genetic mutations that drive antibiotic resistance in bacteria – Science Daily

Global Proteomic Analyses of Macrophage Response to Mycobacterium tuberculosis Infection – Valerie Poirier – BioRxiv

Human gut microbiome

*Two dynamic regimes in the human gut microbiome – Sean M. Gibbons – PLoS Computational Biology

Human intestinal microbiota: Role in development and functioning of the nervous system – O. V. Averina and V. N. Danilenko – Microbiology

Editorial: How can the gut microbiota affect immune recovery in HIV-infected individuals? – Sergio Serrano-Villar – Future Microbiology

Review: The Influence of the Microbiome on Early-Life Severe Viral Lower Respiratory Infections and Asthma—Food for Thought? – Jason P. Lynch – Frontiers in Immunology

Randomised clinical trial: faecal microbiota transplantation for recurrent Clostridum difficile infection – fresh, or frozen, or lyophilised microbiota from a small pool of healthy donors delivered by colonoscopy – Z. D. Jiang – Alimentary Pharmacology and Therapeutics

Review: “We are what our bacteria eat”: The role of bacteria in personalizing nutrition therapy in gastrointestinal conditions – Ruth Harvie – Journal of Gastroenterology and Hepatology

The distinct features of microbial ‘dysbiosis’ of Crohn’s disease do not occur to the same extent in their unaffected, genetically-linked kindred – Umer Zeeshan Ijaz – PLoS One

Animal experiments

Not peer reviewed: Molecular assessment of the fecal microbiota in healthy cats and dogs before and during supplementation with fructooligosaccharides (FOS) and inulin using high-throughput 454-pyrosequencing – Jose F Garcia-Mazcorro – PeerJ

Mouse: The influence of rosuvastatin upon the gastrointestinal microbiota and host gene expression profiles – James A. Nolan – American Journal of Physiology – Gastrointestinal and Liver Physiology

High-cholesterol diet does not alter gut microbiota composition in mice – Lidiya G. Dimova – Nutrition & Metabolism

The effect of gut microbiome on tolerance to morphine mediated antinociception in mice – Minho Kang – Scientific Reports

Mouse: Ambient Ultrafine Particle Ingestion Alters Gut Microbiota in Association with Increased Atherogenic Lipid Metabolites – Rongsong Li – Scientific Reports

Editorial: Sources of variation: Animal microbiota – Alexandra A. Mushegian – Science Signaling

The effects of amoxicillin treatment of newborn piglets on the prevalence of hernias and abscesses, growth and ampicillin resistance of intestinal coliform bacteria in weaned pigs – Jinhyeon Yun – PLoS One

Animal microbiome

Culture-independent genomics of a novel chlamydial pathogen of fish provides new insight into host-specific adaptations utilised by these intracellular bacteria – Alyce Taylor-Brown – Environmental Microbiology

Corals: Host specificity of Symbiodinium variants revealed by an ITS2 metahaplotype approach – Edward G Smith – The ISME Journal

Prevalence of AmpC- and Extended-Spectrum β-Lactamase-Harbouring Enterobacteriaceae in Faecal Flora of a Healthy Domestic Canine Population – D. A. Mathys – Zoonoses and Public Health

Different antibiotic growth promoters induce specific changes in the cecal microbiota membership of broiler chicken – Marcio C. Costa – PLoS One

Plant, root and soil microbiome

A Plant Bacterial Pathogen Manipulates Its Insect Vector’s Energy Metabolism – Nabil Killiny – Applied and Environmental Microbiology

Effective control of root-knot nematode disease with Pseudomonad rhizobacteria filtrate – Ishwar Prakash Sharma and A.K. Sharma – Rhizosphere

Biodiversity of aerobic methylobacteria associated with the phyllosphere of the southern Moscow region – E. N. Kaparullina – Microbiology

Epiphytic microorganisms degrading aromatic hydrocarbons from the phyllosphere of urban woody plants – O. I. Sazonova – Microbiology

Book chapter: Improving Soil Fertility and Soil Functioning in Cover Cropped Agroecosystems with Symbiotic Microbes – Yang Zhou – Agro-Environmental Sustainability

Book chapter: Role of Phosphate-Solubilising Microorganisms in Sustainable Agricultural Development – Rajesh Kumar and Beenu Shastri – Agro-Environmental Sustainability

Influence of rhinoceros beetle (Trypoxylus dichotomus septentrionalis) larvae and temperature on the soil bacterial community composition under laboratory conditions – Jinu Eo – Soil Biology and Biochemistry

Water and extremophile microbiome

Deep sequencing analysis of bacterial community structure of Soldhar hot spring, India – A. Sharma – Microbiology

Microbial community compositions in different functional zones of Carrousel oxidation ditch system for domestic wastewater treatment – Dong Xu – AMB Express

Mentholation affects the cigarette microbiota by selecting for bacteria resistant to harsh environmental conditions and selecting against potential bacterial pathogens – Jessica Chopyk – Microbiome

The interaction between the proliferating macroalga Asparagopsis taxiformis and the coral Astroides calycularis induces changes in microbiome and metabolomic fingerprints – Stéphane Greff – Scientific Reports


MetaGaAP: A Novel Pipeline to Estimate Community Composition and Abundance from Non-Model Sequence Data – Christopher Noune and Caroline Hauxwell – Biology


DNA Barcoding for Fractured Reservoir Analysis – An Initial Investigation – Yuran Zhang – PROCEEDINGS, 42nd Workshop on Geothermal Reservoir Engineering

Novel approaches for the taxonomic and metabolic characterization of lactobacilli: Integration of 16S rRNA gene sequencing with MALDI-TOF MS and 1H-NMR – Claudio Foschi – PLoS One

Microbes in space

The Effect of High-Dose Ionizing Radiation on the Isolated Photobiont of the Astrobiological Model Lichen Circinaria gyrosa – Joachim Meeßen – Astrobiology

Phages and viruses

Non-classical phase diagram for virus bacterial coevolution mediated by clustered regularly interspaced short palindromic repeats – Pu Han and Michael W. Deem – Journal of the Royal Society Interface

Microbes in the news

Probiotics: IP Perspectives on the Microbiome – Jing Liu and Daniel Yarbrough – JDSupra

Targeting Gut Bacteria May Be The Key To Preventing Alzheimer’s – Carolyn Gregoire – The Huffington Post

Space Bacteria Draws Focus of Researchers – Robert Lee Hotz – Wall Street Journal (subscription required)

Irish experts key to battling bacteria – Niall Murray – Irish Examiner

Heavy Rains Bring Dog-Killing Bacteria to Northern California – Tex Dwokin – Care2

February 8, 2017

A dense Digest today, a lot of reviews on the human gut microbiome, a plethora of papers on plant, soil and water microbiomes, and an alarmingly high rate of multi-drug resistant bacteria from human fecal samples in China


Teaching and Learning Fellow in Microbiome Data Analysis – University of British Columbia

Microbiology Quality Technician II – CR Bard

Postdoctoral Research Assistant on the Social Dimensions of the Microbiome – University of Oxford

General microbiology

Transcriptional characterization of Vibrio fischeri during colonization of juvenile Euprymna scolopes – Luke R. Thompson – Environmental Microbiology

Effect of antibiotics on bacterial populations: a multi-hierachical selection process – José Luis Martínez – F1000 Research

Plant growth promoting potential and phylogenetic characteristics of a lichenized nitrogen fixing bacterium, Enterobacter cloacae – Chidanandamurthy Thippeswamy Swamy – Journal of Basic Microbiology

*High rates of human faecal carriage of mcr-1-positive multi-drug resistant isolates emerge in China in association with successful plasmid families – Lan-Lan Zhong – bioRxiv

Assessing the genome level diversity of Listeria monocytogenes from contaminated ice cream and environmental samples linked to a listeriosis outbreak in the United States – Yi Chen – PLoS One

Human skin microbiome

Significant disparities in allergy prevalence and microbiota between the young people in Finnish and Russian Karelia – Lasse Ruokolainen – Clinical & Experimental Allergy

Beyond Cell Division: the Ecological Roles of Autolysins in Oral Biofilm Communities – Nyssa Cullin – Current Oral Health Reports

Human lung microbiome

Longitudinal assessment of sputum microbiome by sequencing of the 16S rRNA gene in non-cystic fibrosis bronchiectasis patients – Michael J. Cox – PLoS One

Human gut microbiome

Review: Intestinal Microbiota: Facts and Fiction – M Kverka – Digestive Diseases

Review: Evolutionary and ecological forces that shape the bacterial communities of the human gut – J S Messer – Mucosal Immunology

Review: Dietary Fiber and Prebiotics and the Gastrointestinal Microbiota – Hannah D. Holscher – Gut Microbes

Review: The Fungal Mycobiome and Its Interaction with Gut Bacteria in the Host – Qi Hui Sam – International Journal of Molecular Sciences

Review: The Gut Microbiome in Irritable Bowel Syndrome and Other Functional Bowel Disorders – Yehuda Ringel – Gastroenterology Clinics of North America

Many more human gut microbiome reviews available from the March Issue of the Gastroenterology Clinics of North America

Human gut-microbiome-brain axis

Editorial: Tightening the Case for Gut Microbiota in Autism-Spectrum Disorder – Jonathan Braun – CMGH Cellular and Molecular Gastroenterology and Hepatology

Review: The Microbiome-Gut-Brain Axis in Health and Disease – Timothy G. Dinan – Gastroenterology Clinics of North America


Review: Mixing omics: combining genetics and metabolomics to study rheumatic diseases – Cristina Menni – Nature Reviews Rheumatology

Review: Emerging Approaches to Tuberculosis Drug Development: At Home in the Metabolome – Robert S. Jansen – Trends in Pharmacological Sciences

Rats Urinary Metabolome Reveals for the Potential Role of Functional Foods and Exercise in Obesity Management – Mohammed Farag – Food and Function

Untargeted metabolomics approach for unraveling robust biomarkers of nutritional status in fasted gilthead sea bream (Sparus aurata) – Ruben Gil-Solsona – PeerJ

Animal experiments

Mouse: Sex-Specific Effects of Organophosphate Diazinon on the Gut Microbiome and Its Metabolic Functions – Bei Gao – Environmental Health Perspectives

Metagenomics approach to the study of the gut microbiome structure and function in zebrafish Danio rerio fed with gluten formulated diet – Hyunmin Koo – Journal of Microbiological Methods

Commentary: Zebrafish screens for new colitis treatments – a bottom-up approach – Jou A. Lee – The FEBS Journal

Mouse: Resistant starch can improve insulin sensitivity independently of the gut microbiota – Laure B. Bindels – Microbiome

Animal microbiome

Invited review: Large-scale indirect measurements for enteric methane emissions in dairy cattle: A review of proxies and their potential for use in management and breeding decisions – E. Negussie – Journal of Dairy Science

Variation of the microbiota and metabolome along the canine gastrointestinal tract – Julia B. Honneffer – Metabolomics

Effects of Organic Amendments on Microbiota Associated with the Culex nigripalpus Mosquito Vector of the Saint Louis Encephalitis and West Nile Viruses – Dagne Duguma – mSphere

Review: Progress in fish gastrointestinal microbiota research – An R. Wang – Reviews in Aquaculture

Diversity and functions of the sheep faecal microbiota: a multi-omic characterization – Alessandro Tanca – Microbial Biotechnology

Microbial shifts in the porcine distal gut in response to diets supplemented with Enterococcus Faecalis as alternatives to antibiotics – Pinghua Li – Scientific Reports

Plant, root and soil microbiome

Fungi from Brazilian Savannah and Atlantic rainforest show high antibacterial and antifungal activity – Paula de Paula Menezes Barbosa – Biocatalysis and Agricultural Biotechnology

Impact of Elevated CO2 and/or Temperature on the AM Fungal Diversity in Groundnut Rhizosphere under Open Top Chamber facility – HN Asha – International Journal of Current Microbiology and Applied Sciences

Seed-coating fenugreek with Burkholderia rhizobacteria enhances yield in field trials and can combat Fusarium wilt – Harish Kuma – Rhizosphere

Changes at the Rhizosphere Microbiota of the Sunflower–Orobanche cumana Wallr Pathosystem – TH Hristev – International Journal of Current Microbiology and Applied Sciences

Review: Phosphate Solubilizing Microbes: An Overview – KP Ingle – International Journal of Current Microbiology and Applied Sciences

Draft Genome Sequence of Plant Growth-Promoting Drought-Tolerant Bacillus sp. Strain CMAA 1363 Isolated from the Brazilian Caatinga Biome – Vanessa Nessner Kavamura – Genome Announcements

Effects of Garlic/Cucumber Relay Intercropping on Soil Enzyme Activities and the Microbial Environment in Continuous Cropping – Lantian Du – HortScience

Characterization of bacterial communities from Masseiras, a unique Portuguese greenhouse agricultural system – Cristina Becerra-Castro – Antonie van Leeuwenhoek

Soil microbial community responses to long-term land use intensification in subtropical grazing lands – Sutie Xu – Geoderma

The impact of salinity on the microbial response to drying and rewetting in soil – Kristin M. Rath

The influence of different concentrations of bio-organic fertilizer on cucumber Fusarium wilt and soil microflora alterations – Nan Huang – PLoS One

Cowpea Nodules Harbor Non-rhizobial Bacterial Communities that Are Shaped by Soil Type Rather than Plant Genotype – Jakson Leite – Frontiers in Plant Science

Microbial Interactions in the Phyllosphere Increase Plant Performance under Herbivore Biotic Stress – Muhammad Saleem – Frontiers in Microbiology

Water and extremophile microbiome

Complete Genome Sequence of Thermus thermophilus TMY, Isolated from a Geothermal Power Plant – Yasuhiro Fujino – Genome Announcements

Marine Microbes as a Potential Source of Cellulolytic Enzymes – N. Trivedi – Chapter 2 of Advances in Food and Nutrition Research, Vol. 79

Genetic toolbox for controlled expression of functional proteins in Geobacillus spp. – Ivan Pogrebnyakov – PLoS One

Coupled Effects of Electrical Stimulation and Antibiotics on Microbial Community in Three-Dimensional Biofilm-Electrode Reactors – Hai-Liang Song – Water, Air, & Soil Pollution

Do biofilm communities respond to the chemical signatures of fracking? A test involving streams in North-central Arkansas – Wilson H. Johnson – BMC Microbiology

Effects of chemical cleaning on RO membrane inorganic, organic and microbial foulant removal in a full-scale plant for municipal wastewater reclamation – Tong Yu – Water Research

Microbial nitrification, denitrification and respiration in the leached cinnamon soil of the upper basin of Miyun Reservoir – Wen Xu – Scientific Reports

Microbes in space

The Effects of HZE Particles, γ and X-ray Radiation on the Survival and Genetic Integrity of Halobacterium salinarum NRC-1, Halococcus hamelinensis, and Halococcus morrhuae – Leuko Stefan – Astrobiology

Survival, DNA Integrity, and Ultrastructural Damage in Antarctic Cryptoendolithic Eukaryotic Microorganisms Exposed to Ionizing Radiation – Pacelli Claudia – Astrobiology

Phages and viruses

Genomic sequence of ‘Candidatus Liberibacter solanacearum’ haplotype C and its comparison with haplotype A and B genomes – Jinhui Wang – PLoS One


Microbial Typing by Machine Learned DNA Melt Signatures – Nadya Andini – Scientific Reports


From Culture to High-Throughput Sequencing and Beyond: A Layperson’s Guide to the “Omics” and Diagnostic Potential of the Microbiome – Paul W. O’Toole – Gastroenterology Clinics of North America

Microbes in the news

2017 sneak peek: What the new year holds for science – Elizabeth Gibney – Nature

Is It the “Terrible Twos”? Or Is It a Disrupted Gut Microbiome? – Chris Kresser

Microbes on the market

Human Microbiome Market : Global Market Snapshot by 2020 – Persistence Market Research

January 25, 2017

Joint opinion on measures by the EU to reduce antimicrobial agents in animal husbandry, diet changes the gut microbiome of dogs, and synthetic chemicals might drive global climate change.



Postdoctoral Research Scientist, Microbiology, School of Natural Sciences, NUI Galway

Microbiology Supervisor – Clinical Pathology Laboratories, Inc

General microbiology and policy

Artificial bacteria: A semisynthetic organism engineered for the stable expansion of the genetic alphabet – Yorke Zhang – PNAS

Policy opinions: EMA and EFSA Joint Scientific Opinion on measures to reduce the need to use antimicrobial agents in animal husbandry in the European Union, and the resulting impacts on food safety (RONAFA) – CVMP and BIOHAZ – EFSA Journal

Acid-suppression medications and bacterial gastroenteritis: a population-based cohort study – Wei Li – british journal of clinical pharmacology

Animal experiments

Effects of the Dietary Protein and Carbohydrate Ratio on Gut Microbiomes in Dogs of Different Body Conditions – Qinghong Li – mBio

Water and extremophile microbiome

Novel Primer Sets for Next Generation Sequencing-Based Analyses of Water Quality – Elvina Lee – PLoS One

Evaluation of Methods for the Concentration and Extraction of Viruses from Sewage in the Context of Metagenomic Sequencing – Mathis Hjort Hjelmsø – PLoS One

Phages and viruses

FRNA Bacteriophages as Viral Indicators of Faecal Contamination in Mexican Tropical Aquatic Systems – Luis Jose Rene Arredondo-Hernandez – PLoS One

The Complete Genome Sequence of a Second Distinct Betabaculovirus from the True Armyworm, Mythimna unipuncta – Robert L. Harrison – PLoS One

Characterization and Genetic Variation of Vibrio cholerae Isolated from Clinical and Environmental Sources in Thailand – Achiraya Siriphap – PLoS One


Comparing and Evaluating Metagenome Assembly Tools from a Microbiologist’s Perspective – Not Only Size Matters! – John Vollmers – PLoS One

Microbes in the news

Study: Babies’ Microbiomes Indifferent to Mode of Delivery – Kerry Grens – The Scientist

About FishTaco: Microbiome as complex as previously thought – Julian Harris – PHG Foundation

Auckland’s water shock: Bacteria levels ‘dangerously high’ – NZ Herald

For healthier buildings, just add bacteria? – Ed Yong – Ted

Xin’s non-microbiology pick

Synthetic chemicals as agents of global change – Emily S Bernhardt – Frontiers in Ecology and the Environment