BacterioFiles 253 - Probiotics Promote Protective Pathway

This episode: In mice and fruit flies, Lactobacillus species induce gut cells to protect themselves from reactive oxygen compounds!

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Show notes:
News item

Journal Paper:
Jones, R. M. et al. Lactobacilli Modulate Epithelial Cytoprotection through the Nrf2 Pathway. Cell Reports 12, 1217–1225 (2015).

Other interesting stories:

Gut microbes in mice help prevent development of diabetes

Bacteria could degrade nicotine to help people quit smoking

Even dead probiotic bacteria protect nematodes against pathogens (paper)

Discovery of TNT-degrading yeast for bioremediation

Engineered yeast can produce opioids

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BacterioFiles 252 - Small Cells Supervise Circadian Cycles

This episode: In mice, high-fat diets affect their gut microbes, which in turn disrupts their circadian cycles and metabolic health!

Download Episode (8.6 MB, 9.35 minutes)

Show notes:
News item
Journal Paper:
Leone, V. et al. Effects of Diurnal Variation of Gut Microbes and High-Fat Feeding on Host Circadian Clock Function and Metabolism. Cell Host and Microbe 17, 681–689 (2015).

Other related news item/paper

Other interesting stories:

Fungi could help clean up lead pollution (paper)

Fungi growing on rocks in driest desert (paper)

Probiotic bacterium inhibited pathogenic bacteria in chickens (paper)

Bacteria survive just from very small amounts of hydrogen

Developing ways to monitor microbial catalysts

Post questions or comments here or email to bacteriofiles@gmail.com. Thanks for listening!

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BacterioFiles 251 - Mycophagous Myrmicinae Mutualist Microbes

This episode: Gut bacteria seem to help ants with very restrictive diets flourish more!

Download Episode (10.6 MB, 11.5 minutes)

Show notes:
Journal Paper:
Sapountzis, P. et al. Acromyrmex Leaf-Cutting Ants Have Simple Gut Microbiota with Nitrogen-Fixing Potential. Appl. Environ. Microbiol. 81, 5527–5537 (2015).

Other interesting stories:

Engineering yeast to talk to each other chemically

Root bacteria could protect cocoa plants from pathogen (paper)

Microbes important for stress response when mice separated from mother (paper)

Bacteria produce antibiotics to compete with rivals in soil

Insect pests of cabbage have detoxifying gut microbes too (paper)

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BacterioFiles 250 - Bacteria Boost Berry Borer Beetle Babies

This episode: Gut bacteria make it possible for coffee berry borer beetles to live entirely on caffeine-rich food!

Download Episode (6.9 MB, 7.5 minutes)

Show notes:
Journal Paper

Other interesting stories:

Molecule from plague bacteria could be helpful removing rust and such (paper)

Bacteria can clean up toxic chromium pollution (paper)

Chemical from a yeast could save bats from deadly fungus

Cocktail of phages works better than single kind to prevent food poisoning

Fungi help trees survive drought conditions

Post questions or comments here or email to bacteriofiles@gmail.com. Thanks for listening!

Subscribe at iTunes, check out the show at Twitter, MicrobeWorld, or Facebook