November 14, 2017

Today seems unusually quiet. But, a few highlights still stand out. Scientists discover a new mechanism of antibiotic resistance. The HHS in the US released a progress report on fighting against antibiotic resistance. Finally, please enjoy the stunning beauty of microbes under the microscope.


Grants Alert – Federal Grants & Contracts


Technologist (Microbiology) – Tampa Florida

General microbiology

New issue of Global Change Biology Bioenergy

* The multiple antibiotic resistance operon of enteric bacteria controls DNA repair and outer membrane integrity – Prateek Sharma et al. – Nature Communications

Press: New mechanisms discovered that bacteria use to protect themselves from antibiotics –

* National Action Plan Drives Progress in Fight Against Antibiotic-Resistant Bacteria – Christopher M. Jones – HHS

Na+-induced structural transition of MotPS for stator assembly of the Bacillus flagellar motor – Naoya Terahara et al. – Science Advances

Press: How bacteria get their groove: Mechanism behind flagellar motility – Osaka University – Science Daily

Phages and viruses

Phage Genome Annotation Using the RAST Pipeline – Katelyn McNair et al. – Bacteriophages

Microbes in the news

* Seeing the Beautiful Intelligence of Microbes – John Rennie & Lucy Reading-Ikkanda – Quanta Magazine

FDA Acts to Advance Potential Inhaled Treatment of Resistant Bacteria Tied to Lung Infections – Janet Stewart – Cystic Fibrosis News Today

Strong Evidence Emerging That Gut Microbiome Is a Key Variable in Immunotherapy Efficacy – Theodore Bosworth – Medscape

How the Gut Microbiome Affects Outcomes in HIV – Jeannette Y. Wick – Special Pharmacy Times

Microbes on the market

With a grain of salt: Would you put bacteria on your face? This brand thinks you should – Victoria Hall – Telegraph



November 7, 2017

Here’s your daily Digest. Highlights include an attempt to establish the causal link between gut microbiota and colorectal cancer in mice, an electric bandage to fight biofilm and antimicrobial resistance, and a group B Streptococcus vaccine that could save tens of thousands of babies per year.

General microbiology

Oral epithelial cells orchestrate innate type 17 responses to Candida albicans through the virulence factor candidalysin – Akash H. Verma et al. – Science Immunology

Methicillin Resistant Staphylococcus aureus Sequence Type (ST) 5 Isolates from Health Care and Agricultural Sources Adhere Equivalently to Human Keratinocytes – Samantha J. Hau et al. – Applied and Environmental Microbiology

Human gut microbiome

Human microbiome signatures of differential colorectal cancer drug metabolism – Leah Guthrie et al. – npj Biofilms and Microbiomes

Whole grain-rich diet reduces body weight and systemic low-grade inflammation without inducing major changes of the gut microbiome: a randomised cross-over trial – Henrik Munch Roager et al. – Gut

Multi-site human microbiome

Review: Human microbiome, infections, and rheumatic disease – Ana Clara Camine et al. – Clinical Rheumatology

Review: The Microbiome and Bone and Joint Disease – Christopher J. Hernandez – Current Rheumatology Reports

Animal experiments

Gavage of fecal samples from patients with colorectal cancer promotes intestinal carcinogenesis in germ-free and conventional mice – Sunny H. Wong and Liuyang Zhao – Gastroenterology

Animal microbiome

An integrative study on biologically recovered polyhydroxyalkanoates (PHAs) and simultaneous assessment of gut microbiome in yellow mealworm – Su Yean Ong et al. – Journal of Biotechnology

Plant, root and soil microbiome

Shifts in microbial communities in soil, rhizosphere and roots of two major crop systems under elevated CO2 and O3 – Peng Wang et al. – Scientific Reports

Year-round shotgun metagenomes reveal stable microbial communities in agricultural soils and novel ammonia oxidizers responding to fertilization – Luis H. Orellana et al. – Applied and Environmental Microbiology

Water and extremophile microbiome

High altitude, hyper-arid soils of the Central-Andes harbor mega-diverse communities of actinobacteria – Alan T. Bull et al. – Extremophiles

Sediment nitrogen cycling rates and microbial abundance along a submerged vegetation gradient in a eutrophic lake – Lu Yao et al. – Science of The Total Environment


Electric Field Based Dressing Disrupts Mixed-Species Bacterial Biofilm Infection and Restores Functional Wound Healing – Barki, Kasturi Ganesh et al. – Annals of Surgery

Press: Study shows electric bandages can fight biofilm infection, antimicrobial resistance – MedicalXpress


Preprint: A novel multi SNP based method for the identification of subspecies and associated lineages and sub-lineages of the Mycobacterium tuberculosis complex by whole genome sequencing – Samuel I. W. Lipworth et al. – bioRxiv

Microbes in the news

Your Eyes Have Their Own Microbiome. Here’s What You Need To Do To Take Care Of It – Sam Berne – MBG Health

Does a Healthy Gut Equal a Long, Healthy Life? – Jim Pietrangelo – Healthline

Unlocking the Secrets of the Microbiome – Jane E. Brody – New York Times

Specific gut bacteria can help or hinder cancer treatments – Rich Haridy – New Atlas

Proprietary Prebiotic Fiber Tested in National Institutes of Health Pilot Study with End-Stage Renal Disease Patients – Kimberly J. Decker – Nutritional Outlook

Briny pool bacteria can clean up and power up – King Abdullah University of Science & Technology – EurekAlert

2 million Chinese mothers carry strep bacteria that can be fatal to newborns, study finds – Laurie Chen – South China Morning Post

* Vaccine for bacteria carried by 20% of pregnant women ‘could prevent 100,000 baby deaths’ – Sarah Boseley – The Irish Times

Research finds link between gut fungi, bacteria and obesity – Camille Bienvenu –

Microbes on the market

Microbiome Therapeutics prepares to launch ‘microbiome modulator’ – Stephen Daniells – NutraIngredients


October 31, 2017

Today’s Digest is short, but not without highlights. The highlights all go to antibiotics. Ed Yong wrote about the history of methicillin resistance, colistin resistance was found to be increasing in Chinese hospitals, and fox poop could save us from vegetable and fruit waste.

General microbiology

A CRISPR–Cas9-based gene drive platform for genetic interaction analysis in Candida albicans – Rebecca S. Shapiro et al. – Nature Microbiology

Reduction of bacterial burden by copper alloys on high-touch athletic center surfaces – Zina Ibrahim et al. – American Journal of Infection Control

Press: New Study Shows Copper Surfaces on Athletic Equipment Reduce Bacteria by 94 Percent – Business Wire

Plant, root and soil microbiome

Assessing and characterising the repertoire of constitutive promoter elements in soil metagenomic libraries in Escherichia coli – Caua Antunes Westmann et al. – bioRxiv


Reproducibility and repeatability of six high-throughput 16S rDNA sequencing protocols for microbiota profiling – Sajan Raju et al. – bioRxiv

Microbes in the news

Flesh-eating bacteria kills man helping repair Harvey-damaged homes – Claire Z. Cardona – Dallas News

Gut bacteria found to have a role in both PTSD and Alzheimer’s disease – Rich Haridy – New Atlas

* Bacteria Can Evolve Resistance to Drugs Before Those Drugs Are Used – Ed Yong – The Atlantic

* New Study Detects Increase in MCR-1 Positive Multidrug-Resistant Bacteria in Humans – Samar Mahmoud – Contagion Live

Vaginal Microbiota Profile Predictive of Chlamydia Susceptibility – Jessica Martin – Infectious Disease Advisor

* War on waste: Antimicrobial borne by feral foxes slows decay saving food and money – Jennifer Nichols – ABC News

Microbes on the market

Video: Bioengineers recreated spider silk by fermenting E. Coli bacteria – Mashable

Kane Biotech Inc. Provides Overview of Biofilm Industry, Clinical Development and Growth Drivers in New SNNLive Video Interview with – Global Newswire

Evivo™ Gains Health Canada Approval, Providing First International Expansion Opportunity – Global Newswire


October 27, 2017

A dynamic Digest today. A variety of articles in human and other microbiome research. The ongoing discussion on reproducible research and P value. For us junior scientists, what are our career prospects?

General microbiology

Review: Development and regulation of single- and multi-species Candida albicans biofilms – Matthew B. Lohse et al. – Nature Reviews Microbiology

Preprint: Metabolic Interactions Between Dynamic Bacterial Subpopulations – Adam Z Rosenthal et al. – bioRxiv

Human skin microbiome

Review: Staphylococcal Biofilms in Atopic Dermatitis – Tammy Gonzalez et al. – Current Allergy and Asthma Reports

Human oral microbiome

Sociodemographic variation in the oral microbiome – Audrey Renson et al. – bioRxiv

Human lung microbiome

Review: New opportunities for managing acute and chronic lung infections – William O. C. M. Cookson et al. – Nature Reviews Microbiology

Human gut microbiome

Gut microbiota and host metabolism: what relationship? – Mithieux G – Neuroendocrinology

Review: Pharmabiotics as an Emerging Medication for Metabolic Syndrome and Its Related Diseases – Thi Thanh Binh Nguyen and Yan Yan Jin et al. – Molecules

Review: The Gastrointestinal Tract as an Integrator of Mechanical and Hormonal Response to Nutrient Ingestion – Adrian Vella and Michael Camilleri – Diabetes

Molecular, microbiological and clinical characterization of Clostridium difficile isolates from tertiary care hospitals in Colombia – Clara Lina Salazar et al. – PLoS One

Animal experiments

Polyphenol- and caffeine-rich post-fermented Pu-er tea improves diet-induced metabolic syndrome by remodeling intestinal homeostasis in mice – Xiaoyu Gao et al. – Infection and Immunity

Animal microbiome

Exogenous dietary lysozyme improves the growth performance and gut microbiota in broiler chickens targeting the antioxidant and non-specific immunity mRNA expression – Mervat A. Abdel-Latif et al. – PLoS One

Prohibition of antibiotic growth promoters has affected the genomic profiles of Lactobacillus salivarius inhabiting the swine intestine – Jun-Yeong Lee et al. – PLoS One

Plant, root and soil microbiome

Effects of stand age and soil properties on soil bacterial and fungal community composition in Chinese pine plantations on the Loess Plateau – Peng Dang et al. – PLoS One

Tide as Steering Factor in Structuring Archaeal and Bacterial Ammonia-Oxidizing Communities in Mangrove Forest Soils Dominated by Avicennia germinans and Rhizophora mangle – Magalí S. Marcos et al. – Microbial Ecology

Phages and viruses

Preprint: Diagnostic Potential & the Interactive Dynamics of the Colorectal Cancer Virome – Geoffrey D. Hannigan et al. – bioRxiv

Microbes in the news

Does Chinese Urbanization Change the Microbiome? – Usha B. Nair – Medical News Bulletin

*Healthy ageing? Microbiome study shows same patterns irrespective of age – Nathan Gray – Nutra

Modified bacteria convert petroleum directly into building blocks for plastics – Wageningen University

Releasing the Antibiotics That Lie Dormant in Bacteria – Micronow

Bacteria have a sense of touch – EurekAlert

How Dog and Cat ‘Kisses’ Can Turn Deadly – Erika Engelhaupt – National Geographic

Xin’s non-microbiology picks

*Many junior scientists need to take a hard look at their job prospects – Nature Editorial

*Preprint: The Reproducibility Of Research And The Misinterpretation Of P Values – David Colquhoun – bioRxiv


October 25, 2017

A short Digest for today. The evolution of E. coli in the lab for over 60,000 generations, the necessity of including a mock community for every sequencing run, and plenty of news pieces.

Events and jobs

Free Webinar: Not Just for Neurons – Electrical Signaling in Bacterial Biofilm Communities – Select Science

Laboratory Assistant-Microbiology – Raritan New Jersey

General microbiology

*The dynamics of molecular evolution over 60,000 generations – Benjamin H. Good et al. – Nature

Press: The evolution experiment that has been watching bacteria mutate for 30 years – Rich Haridy – New Atlas

Bacterial pathogenesis: Activating Helicobacter effector delivery – Irene Vacca – Nature Reviews Microbiology

Human gut microbiome

Discovery of α-L-arabinopyranosidases from human gut microbiome expands the diversity within glycoside hydrolase family 42 – Alexander Holm Viborg et al. – Journal of Biological Chemistry

Letter: Low eukaryotic viral richness is associated with faecal microbiota transplantation success in patients with UC – Nádia Conceição-Neto et al. – Gut


*Preprint: Taxon disappearance from microbiome analysis indicates need for mock communities as a standard in every sequencing run – Yi-Chun Yeh et al. – bioRxiv

Microbes in the news

Strength in numbers: How biofilms outfox antibiotics – Yella Hewings-Martin – Medical News Today

Lung microbiome plays major role in asthma severity and response to treatment – News Medical

New way to prevent unfavorable intestinal microbiota – Hokkaido University – EurekAlert

VIDEO: Gut microbiome research sped by technology, informatics, but diet a major confounder – Eamonn M.M. Quigley – Healio

New Study Shows Link Between Gut Bacteria And Breast Cancer – CBS New York

Harvey-linked flesh-eating bacteria claims Galveston man – Todd Ackerman – Chron

Major changes in balance of gut bacteria occur soon after serious injury/trauma – Medical Xpress

‘Achilles heel’ found in antibiotic-resistant bacteria – John von Radowitz – Irish Independent


September 12, 2017

Today’s post is short and sweet. A European Food Safety Authority panel releases a report on deoxynivalenol (DON), a review on the effects of obesity on depression, and fish oil might be good for your gut microbiota.

General microbiology

Viable But Non-Culturable Cells Are Persister Cells – Jun-Seob Kim et al. – bioRxiv

Regulated release of cryptococcal polysaccharide drives virulence and suppresses immune cell infiltration into the central nervous system – Steven T. Denham et al. – bioRxiv

*Scientific Opinion: Risks to human and animal health related to the presence of deoxynivalenol and its acetylated and modified forms in food and feed – EFSA Panel on Contaminants in the Food Chain et al. – EFSA Journal

Strategies for editing virulent staphylococcal phages using CRISPR-Cas10 – S.M. Nayeemul Bari et al. – ACS Synthetic Biology

Compensatory evolution facilitates the acquisition of multiple plasmids in bacteria – Alfonso Santos-Lopez et al. – bioRxiv

Human gut microbiome

The Role of Gut Microbiome in the Pathogenesis of Prostate Cancer: a Prospective, Pilot Study – Golombos DM et al. – Urology

Review: Pathogenesis of Helicobacter pylori infection – Vania Camilo et al. – Helicobacter

Helicobacter Special Issue: XXXth International Workshop on Helicobacter & Microbiota in Inflammation & Cancer

*Biological and clinical implications of herbal medicine and natural products for the treatment of inflammatory bowel disease – Bao-Jian Guo et al. – Annals of The New York Academy of Sciences

Plant non-starch polysaccharides that inhibit key enzymes linked to type 2 diabetes mellitus – Dan Liu et al. – Annals of The New York Academy of Sciences

Mini-Review: Role of microbiota in the pathogenesis of functional disorders of the lower GI tract: Work in progress – Jonna Jalanka and Robin Spiller – Neurogastroenterology and Motility

*Omega-3 fatty acids correlate with gut microbiome diversity and production of N-carbamylglutamate in middle aged and elderly women – Cristina Menni et al. – Scientific Reports

Press: Omega 3 helps the gut stay healthy, study finds – Medical Xpress

Human gut-microbiome-brain axis

*Review: Effects of obesity on depression: a role for inflammation and the gut microbiota – Schachter J et al. – Brain, Behavior, and Immunity

Preimmunization with a heat-killed preparation of Mycobacterium vaccae enhances fear extinction in the fear-potentiated startle paradigm – Fox JH et al. – Brain, Behavior, and Immunity

Animal experiments

Rapamycin treatment attenuates age-associated periodontitis in mice – An JY et al. – Geroscience

Animal microbiome

Disparity in the nasopharyngeal microbiota between healthy cattle on feed, at entry processing and with respiratory disease – Zeineldin M et al. – Veterinary Microbiology

Increased microbiome diversity at the time of infection is associated with improved growth rates of pigs after co-infection with porcine reproductive and respiratory syndrome virus (PRRSV) and porcine circovirus type 2 (PCV2) – Ober RA et al. – Veterinary Microbiology

Plant, root and soil microbiome

Seasonal and inter-annual variability in litter decomposition and nitrogen availability in a mid-Appalachian watershed – Jeff W. Atkins et al. – Ecosphere

Probiotics, Prebiotics and Synbiotics

Probiotic Supplementation in Chronic Kidney Disease: A Double-blind, Randomized, Placebo-controlled Trial – Borges NA et al. – Journal of Renal Nutrition

Apple pectin-derived oligosaccharides produce carbon dioxide radical anion in Fenton reaction and prevent growth of Escherichia coli and Staphylococcus aureus – Martinov J et al. – Food research international

Microbes in the news

Researchers found omega 3 helps the gut stay healthy – Pharmabiz

Microbes on the market

Tata and OptiBiotix seal deal for India prebiotic expansion – Gary Scattergood+ – Food Navigator Asia

Startups focus on the microbiome – Olivia Tucker – Version Weekly


September 1, 2017

A rich Digest to start your September. A special issue of Immunological Reviews on the host-microbiome interaction, water can be dangerous – both in Texas and your washing machines, and how about some music inspired by the microbiome?


Microbiology jobs in Kansas – New Scientist Jobs

Post Doctoral Researcher – The Ohio State University

Laboratory Assistant III – Microbiology – Contingent – Allegiance Health – Jackson, MI

Microbiology Lab Technician (Up to $2500, Global MNC, No experience required)

General microbiology

Towards a universal molecular microbiological test – Richard J. N. Allcock et al. – Journal of Clinical Microbiology

Human microbiome inspired antibiotics with improved β-lactam synergy against MDR Staphylococcus aureus -Chu J et al. – ACS Infectious Diseases

Pregnancy and early life

Feasibility of Metatranscriptome Analysis from Infant Gut Microbiota: Adaptation to Solid Foods Results in Increased Activity of Firmicutes at Six Months – Floor Hugenholtz et al. – International Journal of Microbiology

Human skin microbiome

Application of sebomics for the analysis of residual skin surface components to detect potential biomarkers of type-1 diabetes mellitus – Satyajit S. Shetage et al. – Scientific Reports

Human near-sterile sites

Bone Remodeling and the Microbiome – Pacifici R – Cold Spring Harbor Perspectives in Medicine

Human lung microbiome

Comparing microbiota profiles in induced and spontaneous sputum samples in COPD patients – Solveig Tangedal et al. – Respiratory Research

Human gut microbiome

Analysis of endoscopic brush samples identified mucosa-associated dysbiosis in inflammatory bowel disease – Kyohei Nishino et al. – Journal of Gastroenterology

*Review: Host-microbiota interactions and adaptive immunity – Kathy D. McCoy et al. – Immunological Reviews (Special Issue: Microbiome-Immune System Interplay)

Animal experiments

Mouse: Commensal bacteria make GPCR ligands that mimic human signalling molecules – Louis J. Cohen et al. – Nature

Review: Exposure of livestock to GM feeds: Detectability and measurement – Anna Nadal et al. – Food and Chemical Toxicology

Comparison of the Luminal and Mucosa-Associated Microbiota in the Colon of Pigs with and without Swine Dysentery -Eric R. Burrough et al. – Frontiers in Veterinary Science

Moderate Exercise Has Limited but Distinguishable Effects on the Mouse Microbiome – Emily V. Lamoureux et al. – mSystems

Animal microbiome

Metagenomic analysis reveals a green sulfur bacterium as a potential coral symbiont – Lin Cai et al. – Scientific Reports

Genomic diversification of giant enteric symbionts reflects host dietary lifestyles – David Kamanda Ngugi et al. – PNAS

Culture Media and Individual Hosts Affect the Recovery of Culturable Bacterial Diversity from Amphibian Skin – Daniel Medina et al. – Frontiers in Microbiology

Impact of egg disinfection of hatching eggs on the eggshell microbiome and bacterial load – R. Olsen et al. – Poultry Science

Plant, root and soil microbiome

Antioxidant and Antibacterial Activity of Organic Extracts of Roots of Glycyrrhiza Glabra Linn – Zafar Iqbal et al. – American Journal of Applied and Industrial Chemistry

Effect of red clover on the microbial transformation of phenanthrene and octadecane in the soil – A. V. Nazarov et al. – Eurasian Soil Science

Biogeography of plant-associated fungal symbionts in mountain ecosystems: A meta-analysis – Stephanie N. Kivlin et al. – Diversity and Distribution

Water and extremophile microbiome

Biodiversity analysis of the unique geothermal microbial ecosystem of the Blue Lagoon (Iceland) using next-generation sequencing (NGS) – Katarzyna A. Palinska et al. – Hydrobiologia

Impacts of tropospheric ozone exposure on peatland microbial consumers – Richard J. Payne et al. – Soil Biology and Biochemistry

Progress and perspectives in aquatic microbial ecology: highlights of the SAME 14, Uppsala, Sweden, 2015 – Eva S. Lindström & Paul A. del Giorgio – Aquatic Microbial Ecology

*Prevalence of β-lactamase genes in domestic washing machines and dishwashers and the impact of laundering processes on antibiotic resistant bacteria – Laura Rehberg et al. – Journal of Applied Microbiology

Built environment microbiome

A high-flow-rate impinger for the study of concentration, viability, metabolic activity, and ice nucleation activity of airborne bacteria – Tina Šantl-Temkiv et al. – Environmental Science & Technology

Phages and viruses

Structure, proteome and genome of Sinorhizobium meliloti phage ΦM5: A virus with LUZ24-like morphology and a highly mosaic genome – Matthew C. Johnson et al. – Journal of Structural Biology

Microbes in the news

Welcome Mat: Franklin art fair returns on Labor Day – Maureen Feighan – The Detroit News

Methane emissions tackled with gas-guzzling bacteria – Monash University – Science Daily

Altered Gut Bacteria Could Indicate Parkinson’s – Sylvia Booth Hubbard – News Max

*Health officials are warning Texans to stay out of Harvey floodwaters for a disturbing reason – Erin Brodwin – Business Insider

*Study shows nurses’ scrubs become contaminated with bacteria in hospitals – Medical Express

Cheaters take advantage – Irene Vacca – Nature Reviews Microbiology

Bacteria – Dot Wordsworth – The Spectator

New Oral Microbiome Study Could Provide Better Estimate of Time since Death – University of Tennessee

*Scientists Made Music From the Human Microbiome, and It’s Seriously Cool – Gears of Biz

How A Mother’s Letter Inspired A Scientist To Revolutionize Consumer Microbiome Testing – Afif Ghannoum – Forbes

Non-microbiology pick

Advocating for Diversity and Inclusion in Faculty Hiring – Darryl Yong and Sumun Pendakur – Notices of the AMS