The podcast for microbe lovers: reporting on exciting news about bacteria, archaea, and sometimes even eukaryotic microbes and viruses.
BacterioFiles
Claim This Podcastby Jesse Noar
4.6(29 reviews)
102 episodes
Updated Weekly
Accepts GuestsHas SponsorsLocation 🇺🇸
Podcast Overview
The podcast for microbe lovers: reporting on exciting news about bacteria, archaea, and sometimes even eukaryotic microbes and viruses.
Language
🇺🇲
Publishing Since
7/8/2019
2 verified contact emails on file for BacterioFiles
Pitch yourself as a guest, propose sponsorships, or reach out directly to the host.
Recent Episodes
May 27, 2024
491: Less Liquid Lands Losing Lichens
<p>This episode: Trends of declining lichen populations and biocrust cover overall match trends of increasing temperatures in Colorado dryland!</p> <p><span style="font-size: medium;"><a href= "http://traffic.libsyn.com/bacteriofiles/BF491.mp3">Download Episode</a></span> (6.4 MB, 9.3 minutes)<br /> <br /> <span style="font-weight: bold;">Show notes:</span><br /> Microbe of the episode: <a href= "https://www.microbiologyresearch.org/content/journal/jgv/10.1099/vir.0.80182-0" target="_blank" rel="noopener">Cherry chlorotic rusty spot associated partitivirus</a><strong><br /> <br /> Takeaways:</strong><br /> <br /></p> <div>Global climate change is affecting almost every natural system on the planet, in predictable and also sometimes unexpected, complex ways. Microbes perform key roles in many different ecosystems, providing and recycling important nutrients and even macroscopic structure. One example of this is biocrusts in dryland environments, such as areas in the western US with low annual rainfall. Microbes other organisms form a stable surface binding soil and sand particles together, helping to retain moisture and prevent erosion and transformation of land into desert.<br /> <br /> In this study of a Colorado park over more than 20 years, important species of symbiotic fungi and photosynthetic microbes in the form of lichens have declined significantly. The land is mostly untroubled by grazing or human activity, but changes in climate and moisture and the presence of invasive plants could affect lichens. However, the temperature increase over the decades showed the best correlation with the lichen decline. The loss of these species could lead to nutrient shortages in the long term for these communities.</div> <p><br /> <strong>Journal Paper:</strong><br /> <br /> Finger-Higgens R, Duniway MC, Fick S, Geiger EL, Hoover DL, Pfennigwerth AA, Van Scoyoc MW, Belnap J. 2022. <a href= "https://pnas.org/doi/full/10.1073/pnas.2120975119" target="_blank" rel="noopener">Decline in biological soil crust N-fixing lichens linked to increasing summertime temperatures</a>. Proc Natl Acad Sci USA 119:e2120975119.</p> <p>Email questions or comments to <a href= "mailto:bacteriofiles@gmail.com">bacteriofiles at gmail dot com</a>. Thanks for listening!</p> <p>Subscribe: <a href= "https://itunes.apple.com/us/podcast/bacteriofiles/id352470437">Apple Podcasts</a>, <a href="http://bit.ly/BFGooglePodcasts" target= "_blank" rel="noopener">Google Podcasts</a>, <a href= "https://bit.ly/BfAndroid" target="_blank" rel= "noopener">Android</a>, or <a href= "http://bacteriofiles.microbeworld.libsynpro.com/" target="_blank" rel="noopener">RSS</a>. Support the show at <a href= "https://www.patreon.com/bacteriofiles" target="_blank" rel= "noopener">Patreon</a>, or check out the show at <a href= "http://twitter.com/BacterioFiles">Twitter</a> or <a href="https://www.facebook.com/BacterioFiles">Facebook</a>.</p>
March 11, 2024
490: Parasitoid Pox Partners
<p>This episode: A virus partners with a parasitoid wasp to help exploit fruit fly victims!</p> <p><span style="font-size: medium;"><a href= "http://traffic.libsyn.com/bacteriofiles/BF490.mp3">Download Episode</a></span> (7.7 MB, 11.2 minutes)<br /> <br /> <span style="font-weight: bold;">Show notes:</span><br /> Microbe of the episode: <em>Actinomadura livida</em></p> <div><strong>Takeaways</strong></div> <div>Parasitoid wasps have an interesting lifestyle: they inject their eggs into the larvae of other insects, and their young hatch and grow up by consuming the host from the inside. Some of these wasps also inject a virus along with the egg, which supports the wasp offspring by suppressing the host immune system.<br /> <br /> Most of these parasitoid helper viruses are integrated into the host wasp genome and are translated and produced as needed, but in this study, an independently replicating entomopoxvirus serves as an example of a virus-wasp mutualism. The study explores how the virus can infect the wasp prey, and how it gets passed on to wasp offspring.</div> <p><br /> <strong>Journal Paper:</strong><br /> Coffman KA, Hankinson QM, Burke GR. 2022. <a href= "https://pnas.org/doi/full/10.1073/pnas.2120048119" target="_blank" rel="noopener">A viral mutualist employs posthatch transmission for vertical and horizontal spread among parasitoid wasps</a>. Proc Natl Acad Sci 119:e2120048119.</p> <p> </p> <p>Email questions or comments to <a href= "mailto:bacteriofiles@gmail.com">bacteriofiles at gmail dot com</a>. Thanks for listening!</p> <p>Subscribe: <a href= "https://itunes.apple.com/us/podcast/bacteriofiles/id352470437">Apple Podcasts</a>, <a href="http://bit.ly/BFGooglePodcasts" target= "_blank" rel="noopener">Google Podcasts</a>, <a href= "https://bit.ly/BfAndroid" target="_blank" rel= "noopener">Android</a>, or <a href= "http://bacteriofiles.microbeworld.libsynpro.com/" target="_blank" rel="noopener">RSS</a>. Support the show at <a href= "https://www.patreon.com/bacteriofiles" target="_blank" rel= "noopener">Patreon</a>, or check out the show at <a href= "http://twitter.com/BacterioFiles">Twitter</a> or <a href="https://www.facebook.com/BacterioFiles">Facebook</a>.</p>
January 29, 2024
489: Soil Smell Synthesis Significance
<p>This episode: Many organisms produce the smell of earth, geosmin, and many others can sense it–but why?</p> <p><span style="font-size: medium;"><a href= "http://traffic.libsyn.com/bacteriofiles/BF489.mp3">Download Episode</a></span> (6.0 MB, 8.7 minutes)<br /> <br /> <span style="font-weight: bold;">Show notes:</span><br /> Microbe of the episode: <a href= "https://pubmed.ncbi.nlm.nih.gov/12073029/" target="_blank" rel= "noopener"><em>Acidianus</em> spindle-shaped virus 1</a></p> <div> </div> <div><a href= "https://www.sciencedaily.com/releases/2022/04/220405143530.htm" target="_blank" rel="noopener">News item</a></div> <div><strong> <br /></strong></div> <div><strong>Takeaways</strong></div> <div>The smell of soil or earth is one of the most recognizable smells, and comes largely from a chemical called geosmin, produced by many different kinds of bacteria. Many animal species are sensitive to geosmin, some attracted by it and others repelled. But it is still not entirely understood what is the evolutionary benefit to the microbes that produce it, or the reason why different animals are sensitive to it in different ways.<br /> <br /> In this study, different geosmin-producing bacteria were paired with tiny bacteria-eating roundworms, nematodes, to see how the chemical affected their interactions. Production of geosmin affected the worms' movement, apparently inducing them to avoid colonies of the producing microbes in some cases, though the worms still sometimes fed on the bacteria. Adding geosmin to colonies of different bacteria did not affect the worms' behavior though, so other factors seem to be involved.</div> <p><br /> <br /> <strong>Journal Paper:</strong><br /> <br /> Zaroubi L, Ozugergin I, Mastronardi K, Imfeld A, Law C, Gélinas Y, Piekny A, Findlay BL. 2022. <a href= "https://journals.asm.org/doi/10.1128/aem.00093-22" target="_blank" rel="noopener">The Ubiquitous Soil Terpene Geosmin Acts as a Warning Chemical</a>. Appl Environ Microbiol 88:e00093-22.</p> <p>Email questions or comments to <a href= "mailto:bacteriofiles@gmail.com">bacteriofiles at gmail dot com</a>. Thanks for listening!</p> <p>Subscribe: <a href= "https://itunes.apple.com/us/podcast/bacteriofiles/id352470437">Apple Podcasts</a>, <a href="http://bit.ly/BFGooglePodcasts" target= "_blank" rel="noopener">Google Podcasts</a>, <a href= "https://bit.ly/BfAndroid" target="_blank" rel= "noopener">Android</a>, or <a href= "http://bacteriofiles.microbeworld.libsynpro.com/" target="_blank" rel="noopener">RSS</a>. Support the show at <a href= "https://www.patreon.com/bacteriofiles" target="_blank" rel= "noopener">Patreon</a>, or check out the show at <a href= "http://twitter.com/BacterioFiles">Twitter</a> or <a href="https://www.facebook.com/BacterioFiles">Facebook</a>.</p>
102 total episodes available
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Frequently asked questions
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- What is BacterioFiles?
- How often does this podcast release new episodes?
This podcast updates weekly.
- Where can I listen to this podcast?
This podcast is available on 9 platforms including Apple Podcasts, Spotify, and more. You can also use the RSS feed directly.
- Does this podcast accept guests?
Yes, this podcast regularly features guests.
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