Monday, October 16, 2017

BacterioFiles 314 - Drosophila Dwellers Delay Deficiency

Drosophila fruit fly
By André Karwath aka Aka
CC BY-SA 2.5
This episode: Bacteria affect fruit fly behavior by reducing their need and craving for protein-rich food!

Thanks to Dr. Carlos Ribeiro for his contribution!

Download Episode (14.7 MB, 16.1 minutes)

Show notes:
News item

Ribeiro lab website - two fully-funded postdoc opportunities available

Journal Paper:
Leitão-Gonçalves R, Carvalho-Santos Z, Francisco AP, Fioreze GT, Anjos M, Baltazar C, Elias AP, Itskov PM, Piper MDW, Ribeiro C. 2017. Commensal bacteria and essential amino acids control food choice behavior and reproduction. PLOS Biol 15:e2000862.

Other interesting stories:

  • Bacteria could help remove lead from mining waste (paper)
  • Modified bacteria could make natural food coloring economically
  • Diet correlates with gut microbe community structure better than body weight does (paper)
  • Fungal symbionts in Arctic thawing out may help trees deal with heat
  • How good are commercial microbiota tests?

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

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    Episode outline:

    Monday, October 9, 2017

    BacterioFiles 313 - Colonies Correct Chloride Corrosion

    Ancient Roman nails
    By Takkk - Own work,CC BY-SA 3.0
    This episode: Bacteria could help treat corrosion to preserve ancient iron artifacts!

    Thanks to Drs. Pilar Junier and Edith Joseph for their contributions!

    Download Episode (13.4 MB, 14.7 minutes)

    Show notes:
    Journal Paper:
    Comensoli L, Maillard J, Albini M, Sandoz F, Junier P, Joseph E. 2017. Use of Bacteria To Stabilize Archaeological Iron. Appl Environ Microbiol 83:e03478-16.

    Other interesting stories:
  • Archaeal communities on skin change with age
  • Using viruses to deliver useful stuff to the nervous system
  • Polymer-coating bacteria to improve their electricity-generating ability
  • 61% of yeast essential genes can be replaced by E. coli versions (paper)
  • Breast milk and skin are important sources of microbes for infants (paper)

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

    Subscribe: iTunes, RSS, Google Play. Support the show at Patreon, or check out the show at Twitter or Facebook.

    Episode outline:

    Monday, October 2, 2017

    BacterioFiles 312 - Antibiotic Acts As Agreement

    Quorum sensing scheme
    By Gluckma2, CC BY-SA 4.0
    This episode: Bacteria that produce antibiotic molecule can also use it for communication between cells!

    Download Episode (10 MB, 11 minutes)

    Show notes:
    Microbe of the episode: Rosellinia necatrix victorivirus 1

    Journal Paper:
    Beyersmann PG, Tomasch J, Son K, Stocker R, Göker M, Wagner-Döbler I, Simon M, Brinkhoff T. 2017. Dual function of tropodithietic acid as antibiotic and signaling molecule in global gene regulation of the probiotic bacterium Phaeobacter inhibens. Sci Rep 7:730.

    Other interesting stories:
  • Bacteria may be key to certain grasses' success (paper)
  • Small-genome bacteria have old school space-saving multi-function enzymes (paper)
  • Using electricity to help microbes clean up pollution (paper) (see here also)
  • Photosynthetic and non-photosynthetic organisms cooperate in ocean
  • Phage therapy with CRISPR-modified viruses

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

    Subscribe: iTunes, RSS, Google Play. Support the show at Patreon, or check out the show at Twitter or Facebook.

    Episode outline: