Today: articles on the nutrient niches that exist in the gut, how bifidobacterium might be functioning as a probiotic, and probiotic treatment in Bactrocera cucurbitae (melon fly), and astronaut’s gut bacteria in flight.

General microbiome

Effect of fermentation temperature on hydrogen production from xylose and the succession of hydrogen-producing microflora – Chunsheng Qiu – Journal of Chemical Technology and Biotechnology

Dental and periodontal health, and microbiological and salivary conditions in patients with or without diabetes undergoing haemodialysis – Gerhard Schmalz – International Dental Journal

Human gut microbiome

Microbial nutrient niches in the gut – Fátima C. Pereira – Environmental Microbiology

MicroRNAs at the epicenter of intestinal homeostasis – Antoaneta Belcheva – BioEssays

Oscillospira and related bacteria – From metagenomic species to metabolic features – Uri Gophna – Environmental Microbiology

Association between small-intestinal bacterial overgrowth and deep vein thrombosis in patients with spinal cord injuries – X. Cheng – Journal of Thrombosis and Haemostasis

Prioritization of polysaccharide utilization and control of regulator activation in Bacteroides thetaiotaomicron – Nathan D. Schwalm III – Molecular Microbiology

Animal experiments

Malondialdehyde epitopes are sterile mediators of hepatic inflammation in hypercholesterolemic mice – Clara Jana-Lui Busch – Hepatology

Time- and strain-specific downregulation of intestinal EPAS1 via miR-148a by Bifidobacterium bifidum – Amel Taibi – Molecular Nutrition and Food Research

Animal microbiome

Enhanced fitness of a Bactrocera cucurbitae genetic sexing strain based on the addition of gut-isolated probiotics (Enterobacter spec.) to the larval diet – Mingyan Yao – Entomologia Experimentalis et Applicata

Water and extremophile microbiome

Chemotype diversity in Planktothrix rubescens (cyanobacteria) populations is correlated to lake depth – Danka Haruštiaková – Environmental Microbiology Reports

Genomic and physiological analyses of ‘Reinekea forsetii’ reveal a versatile opportunistic lifestyle during spring algae blooms – Burak Avcı – Environmental Microbiology

Techniques

DNA metabarcoding reveals that 200-μm-size-fractionated filtering is unable to discriminate between planktonic microbial and large eukaryotes – Lemian Liu – Molecular Ecology Resources

Microbes in the news

Change in astronaut’s gut bacteria attributed to spaceflight

Oral dose of phage cocktail prevents infection and cholera-like symptoms in animal model

UNH researchers ID bacteria contaminating seafood

Tap Water Free of Diarrhea-Causing Bacteria: Pittsburgh Mayor

Science in the News series kicks off with ‘Big Bacteria, Big Pharma, Big Problems’

Salicylic acid promotes nasal mucosa colonization by Staphylococcus aureus