February 13, 2019

Today’s digest features a study on leaf-associated microbiomes of grafted tomato plants, study that reveals the chemical “fingerprint” and contribution of Parasutterella to host health, and Everything Hertz podcast with episode “Promiscuous expertise”. Happy reading/listening!

Gut microbiome

A new genomic blueprint of the human gut microbiota – Alexandre Almeida – Nature

Population structure of human gut bacteria in a diverse cohort from rural Tanzania and Botswana – Matthew E. B. Hansen – Genome Biology

Disturbance of trace element and gut microbiota profiles as indicators of autism spectrum disorder: A pilot study of Chinese children – Qixiao Zhai – Environmental Research

*Defining the role of Parasutterella, a previously uncharacterized member of the core gut microbiota – Tingting Ju – The ISME Journal

Extensive transmission of microbes along the gastrointestinal tract – Thomas Sebastian Benedikt Schmidt – eLife

Bacterial interspecies interactions modulate pH-mediated antibiotic tolerance in a model gut microbiota – Andres Aranda-Diaz – bioRxiv

Skin microbiome

Review: Microbiosis in pathogenesis and intervention of atopic dermatitis – Jianhua Dou – International Immunopharmacology

Plant/root/soil microbiome

*Leaf-associated microbiomes of grafted tomato plants – Hirokazu Toju – Scientific Reports

Fungal Biodiversity of the Most Common Types of Polish Soil in a Long-Term Microplot Experiment – Jarosław Grządziel and Anna Gałązka – Frontiers in Microbiology

Podcast

*Episode 77: Promiscuous expertise – Dan Quintana and James Heathers – Everything Hertz [A great episode about scientists who claim to be a public authority on topics outside their area of expertise!]

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February 1, 2019

Today’s digest is quite diverse: the respiratory microbiome networks in cystic fibrosis patients, ketogenic diet effects on the gut microbiota in children with severe epilepsy, and insect-associated Streptomyces (spoiler: inhibit antimicrobial-resistant pathogens more than soil Streptomyces). Happy reading!

General microbiome

Minireview: The signatures of microorganisms and of human and environmental biomes can now be used to provide evidence in legal cases – A H Bishop – FEMS Microbiology Letters

Transforming medicine with the microbiome – Niv Zmora – Science Translational Medicine

Gut microbiome

Gut intraepithelial T cells calibrate metabolism and accelerate cardiovascular disease – Shun He – Nature

*The ketogenic diet influences taxonomic and functional composition of the gut microbiota in children with severe epilepsy – Marie Lindefeldt – npj Biofilms and Microbiomes

Vaginal microbiome

Association between vaginal washing and vaginal bacterial concentrations – Michelle C. Sabo – PlosOne

Skin microbiome

Investigation of the Skin Microbiome: Swabs vs Biopsies – S. Prast‐Nielsen – British Journal of Dermatology

Oral microbiome

Carbonic Anhydrase 6 Gene Variation influences Oral Microbiota Composition and Caries Risk in Swedish adolescents – A. Esberg – Scientific Reports

Respiratory microbiome

*Microbiome networks and change-point analysis reveal key community changes associated with cystic fibrosis pulmonary exacerbations – Mehdi Layeghifard – npj Biofilms and Microbiomes

Plant/root/soil microbiome

Effects of long-term fertilization on soil organic carbon mineralization and microbial community structure – Zhen Guo – PlosOne

Water microbiome

Functional screening for triclosan resistance in a wastewater metagenome and isolates of Escherichia coli and Enterococcus spp. from a large Canadian healthcare region – Andrew Camero – PlosOne

Animal experiments

Cream Cheese-Derived Lactococcus chungangensis CAU 28 Modulates the Gut Microbiota and Alleviates Atopic Dermatitis in BALB/c Mice – Jong-Hwa Kim – Scientific Reports

Animal Microbiome

*The antimicrobial potential of Streptomyces from insect microbiomes – Marc G. Chevrette – Nature Communications

January 23, 2019

Today’s digest is about the distinct microbial networks within disturbed gut microbiome, multifaceted roles of Staphylococcus epidermidis in skin physiology, and high-throughput cultivation techniques. Happy reading!

Urinary microbiome

Review: The Microbiome and Genitourinary Cancer: A Collaborative Review – Mark C. Markowski – European Urology

Gut microbiome

*Microbial network disturbances in relapsing refractory Crohn’s disease – Bahtiyar Yilmaz – Nature Medicine

Alteration in gut microbiota associated with hepatitis B and non-hepatitis virus related hepatocellular carcinoma – Qisha Liu – Gut Pathogens

Human gut microbes are susceptible to antimicrobial food additives in vitro – Lucia Hrncirova – Folia Microbiologica

Taxonomic and functional composition of the small intestinal microbiome in neonatal calves provide a framework for understanding early life gut health – Nilusha Malmuthuge – Applied and Environmental Microbiology

Skin microbiome

*Microbial guardians of skin health – Apollo Stacy and Yasmine Belkaid – Science

Water microbiome

Comparison of microbial communities in the sediments and water columns of frozen cryoconite holes in the McMurdo Dry Valleys, Antarctica – Pacifica Sommers – Frontiers in Microbiology

Plant/root/soil microbiome

Invasive plant species identity affects soil microbial communities in a mesocosm experiment – Anna M. Stefanowicz – Applied Soil Ecology

Techniques

*High throughput cultivation-based screening on porous aluminum oxide chips allows targeted isolation of antibiotic resistant human gut bacteria – Dennis Versluis – PlosOne

*Cultivation-success of rare soil bacteria is not influenced by incubation time and growth medium – Viola Kurm – PlosOne

January 9, 2019

Today’s digest is about the CRISPR tools for diverse bacteria, urinary microbiome associated with bladder cancer and OMeta, a data-driven metadata tracking system. Happy reading!

Gut microbiome

*Enabling genetic analysis of diverse bacteria with Mobile-CRISPRi – Jason M. Peters – Nature Microbiology

Urinary microbiome

*Review: The Urinary Microbiome: Implications in Bladder Cancer Pathogenesis and Therapeutics – Petar Bajic – Urology

Animal experiments

High-fat diet causes psychiatric disorders in mice by increasing Proteobacteria population – Mi-Young Jeong – Neuroscience Letters

Animal microbiome

Canine endometrial and vaginal microbiomes reveal distinct and complex ecosystems – Candace C. Lyman – PlosOne

Probiotic characterization of Lactobacillus isolates from canine faeces – Maria Magdalena Coman – Journal of Applied Microbiology

Water microbiome

Deciphering of microbial community and antibiotic resistance genes in activated sludge reactors under high selective pressure of different antibiotics – Renxin Zhao – Water Research

Desiccation events change the microbial response to gradients of wastewater effluent pollution – Ferran Romeroa – Water Research

Characteristics of pipe corrosion scales in untreated water distribution system and effect on water quality in Peshawar, Pakistan – Dilawar Farhan Shams – Environmental Science and Pollution Research

Plant/root/soil microbiome

Microbial phyto-power systems – A sustainable integration of phytoremediation and microbial fuel cells – Beenish Saba – Bioelectrochemistry

A Plant‐Growth Promoting Bacterium Alters the Microbial Community of Continuous Cropping Poplar Trees Rhizosphere – Junkang Sui – Journal of Applied Microbiology

Bioinformatics

*OMeta: an ontology-based, data-driven metadata tracking system – Indresh Singh – BMC Bioinformatics

December 21, 2018

Today’s digest is about the shortcomings of the midstream urine test for urinary tract infection, contacts between phages and bacterial hosts, and contamination in marker-gene and metagenomic sequencing. There is a very interesting podcast on “Seeing double” in scientific papers. Happy reading/listening!

Urinary microbiome

Cross-over data supporting long-term antibiotic treatment in patients with painful lower urinary tract symptoms, pyuria and negative urinalysis – Sheela Swamy – International Urogynecology Journal

*Reassessment of routine midstream culture in diagnosis of urinary tract infection – Sanchutha Sathiananthamoorthya – Journal of Clinical Microbiology

Gut microbiome

Drivers of human gut microbial community assembly: Coadaptation, determinism and stochasticity – Kaitlyn Oliphan – BioRxiv

Animal experiments

*Scaffolding bacterial genomes and probing host-virus interactions in gut microbiome by proximity ligation (chromosome capture) assay – Martial Marbouty – Science Advances

Antidepressant treatment modulates the gut microbiome and metabolome during pregnancy and lactation in rats with a depressive-like phenotype – Anouschka S Ramsteijn – BioRxiv

General Anesthesia Alters the Diversity and Composition of the Intestinal Microbiota in Mice – Mara A. Serbanescu – Anesthesia & Analgesia

Water microbiome

Bacterial community activity and dynamics in the biofilm of an experimental hybrid wetland system treating greywater – Marika Truu – Environmental Science and Pollution Research

Plant/root/soil microbiome

Introducing THOR, a model microbiome for genetic dissection of community behavior – Gabriel L. Lozano – BioRxiv

Bacterial analogs of plant piperidine alkaloids mediate microbial interactions in a rhizosphere model system – Gabriel L. Lozano – BioRxiv

Bioinformatics

*Simple statistical identification and removal of contaminant sequences in marker-gene and metagenomics data – Nicole M. Davis – Microbiome

Nucleotide Archival Format (NAF) enables efficient lossless reference-free compression of DNA sequences – Kirill Kryukov – BioRxiv

Podcast

*Seeing double [Elisabeth Bik speaks about the problematic images in scientific papers, the state of microbiome research, and making the jump from academia to industry] – Dan Quintana and James Heathers – Everything Hertz.

December 5, 2018

Today’s digest features study on Lactobacillus reuteri HCM2 (against Enterotoxigenic Escherichia coli), microbiome and virome of deep terrestrial biosphere, immunostimulatory potential of the earliest gut microbiome, and more. Happy reading!

Gut microbiome

*Birth mode is associated with earliest strain-conferred gut microbiome functions and immunostimulatory potential – Linda Wampach – Nature Communications

Review: Bone and the gut microbiome: a new dimension – Carolina Medina-Gomez – Journal of Laboratory and Precision Medicine

Review: Simple organizing principles in microbial communities – Jeff Gore – Current Opinion in Microbiology

Soil microbiome

*Exploration of deep terrestrial subsurface microbiome in Late Cretaceous Deccan traps and underlying Archean basement, India – Avishek Dutta – Scientific Reports

Organic carbon amendments affect the chemodiversity of soil dissolved organic matter and its associations with soil microbial communities – Xiaoming Li – Environmental Science and Technology

Microbial organic matter degradation potential in Baltic Sea sediments influenced by depositional conditions and in situ geochemistry – Laura A. Zinke – Applied and Environmental Microbiology

Water microbiome

Performance and dynamic characteristics of microbial communities in multi-stage anaerobic reactors treating gibberellin wastewater – Erming Ouyang – Journal of Bioscience and Bioengineering

Phages and viruses

Bioaerosol Sampling for Respiratory Viruses in Singapore’s Mass Rapid Transit Network – Kristen Coleman – Scientific Reports

Review: Future management of viral diseases: role of new technologies and new approaches in microbial interactions – Fabrizio Maggi – Clinical Microbiology and Infection

*Viruses control dominant bacteria colonizing the terrestrial deep biosphere after hydraulic fracturing – Rebecca A. Daly – Nature Microbiology

Animal experiments

*Lactobacillus reuteri HCM2 protects mice against Enterotoxigenic Escherichia coli through modulation of gut microbiota – Tianwei Wang – Scientific Reports

Bioinformatics

Ultra-deep, long-read nanopore sequencing of mock microbial community standards – Samuel M. Nicholls – BioRxiv

November 19, 2018

Today’s digest features shallow shotgun sequencing as a useful alternative to 16S sequencing, soil metaproteomics, virus genomes from deep sea sediments, and more. And there’s an important news: the MicroMundo has been launched in Portugal! Happy reading!

Events and jobs

Open Rank Faculty Position in Microbiome or Microbial Systems Research, Baylor College of Medicine in Houston, TX

Physalia courses: 16S/ITS Metabarcoding of microbial communities (Berlin, 1-5 April 2019) Instructors: Anna Sandionigi, Antti Karkman, Bruno Fosso

Physalia courses: Metagenomics (Berlin, 27-31 May 2019) Instructors: Dr. Curtis Huttenhower, Melanie Schirmer, Cesar Arze

Gut microbiome

Metagenomics-Based, Strain-Level Analysis of Escherichia coli From a Time-Series of Microbiome Samples From a Crohn’s Disease Patient – Xin Fang – Front. Microbio.

Preprint: Microbial Dysbiosis and polyamine metabolism as predictive markers for early detection during progression of pancreatic adenocarcinoma in spontaneous mouse model – Roberto Mendez – bioRxiv

Oral microbiome

Preprint: Tobacco exposure associated with oral microbiota oxygen utilization in the New York City Health and Nutrition Examination Study – Francesco Beghini – bioRxiv

Preprint: Sociodemographic patterning in the oral microbiome of a diverse sample of New Yorkers – Audrey Renson – bioRxiv

Soil microbiome

*Review: Using proteins to study how microbes contribute to soil ecosystem services: The current state and future perspectives of soil metaproteomics – Robert Starke – Journal of Proteomics

Phages and viruses

Degenerate PCR Primers to Reveal the Diversity of Giant Viruses in Coastal Waters  – Yanze Li – Viruses

*Preprint: Virus genomes from deep sea sediments expand the ocean megavirome and support independent origins of viral gigantism – Disa Backstrom – bioRxiv

Bioinformatics

*Evaluating the Information Content of Shallow Shotgun Metagenomics – Benjamin Hillmann – MySystems

A novel method to accurately calculate statistical significance of local similarity analysis for high-throughput time series – Fang Zhang – Stat Appl Genet Mol Biol.

KrakenUniq: confident and fast metagenomics classification using unique k-mer counts – Breitwieser Florian – Genome Biol.

MetaMap: an atlas of metatranscriptomic reads in human disease-related RNA-seq data –Simon Lucas – Gigascience

Svetlana’s microbiology pick

* Last week was World Antibiotic Awareness Week and the MicroMundo project has been launched in Portugal:
Initially created in the USA (2012) as Small World Initiative, the MicroMundo is an innovative Citizen Science project where professors and researchers from the University of Porto encourage students to pursue career in science while addressing a worldwide health threat – antibiotic resistance.