Non-domesticated bacterial isolate <em> Bacillus</em> sp. CFBb53.1 is pathogenic to <em>Caenorhabditis elegans</em>

Le Tho Son; Nguyen Thi Hong Gam; Nguyen Thi Thu

doi:10.15625/2615-9023/22380

Author affiliations

Authors

Le Tho Son Vietnam National University of Forestry, Xuan Mai, Ha Noi, Vietnam https://orcid.org/0000-0002-7580-9301
Nguyen Thi Hong Gam Vietnam National University of Forestry, Xuan Mai, Ha Noi, Vietnam
Nguyen Thi Thu F-School, Vietnam National University of Forestry, Xuan Mai, Ha Noi, Vietnam

DOI:

https://doi.org/10.15625/2615-9023/22380

Keywords:

Antagonist, bacteria, longevity, nematode, preference, reproduction

Abstract

Free-living nematodes may develop differently in response to their associated bacteria. In this research, we continue to investigate the effects of associated bacteria on the nematode genus Caenorhabditis in a forest ecosystem. We found a new bacterial isolate, Bacillus sp. CFBb53.1 from forests against Caenorhabditis elegans. The bacteria disrupted the olfactory sense and locomotion by 40%, reduced reproduction by 60.06%, and shortened the longevity of the host population by 13.7%. Previous reports on different Bacillus bacterial species revealed reductions in C. elegans. These research results acknowlege that different Bacillus strains can have distinct mechanisms for interacting with C. elegans. Notably, CFBb53.1 is present in the environment, it would infect organisms and cause toxicity in them and humans.

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