This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"In northern ecosystems, winter carbon loss is estimated to exceed growing season carbon uptake, primarily because of microbial decomposition. Viruses in soil alter microbial carbon cycling by affecting metabolic pathways and killing their hosts, but whether viruses are active under anoxic and sub-freezing soil conditions remains unknown. To find out, a recent study used stable isotope probing (SIP) targeted metagenomics to investigate active microbes in Alaskan Arctic peat soils under simulated winter conditions, with a particular focus on viruses and virus-host dynamics. Overall, 46 bacterial and 243 viral populations actively took up soil water labeled with ¹⁸O and respired CO₂. Active bacteria represented a small proportion of the total microbial community but were able to ferment and degrade organic matter. In contrast, a large diversity of viruses were found to be active, one-third of which were linked to active bacteria..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"In the absence of oxygen, some prokaryotes can degrade organic matter via anaerobic digestion. This occurs in natural settings, like wetlands, and industrial ones, like wastewater treatment or biogas production. But what about viruses? Bacteriophages can impact their hosts’ community structure through selective pressure and have been used to influence microbial communities, such as through pathogen control. A recent study examined the virome of anaerobic digestion communities undergoing prophage- inducing environmental stresses. The virome was almost entirely composed of tailed bacteriophages of the order Caudovirales. Metagenome reconstruction revealed 1,092 viral genomes and 120 prokaryotic genomes, and over half of the prokaryotic genomes contained a provirus in their genomic sequence. In general, species of viruses and prokaryotes could be grouped by having similar reactions to stressors. Archaea had the most pronounced reactions to stressors and featured behaviors unique to those species..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
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