Publications by authors named "Janine Petito"
The objective of this study was to phylogenetically analyze microorganisms from the domains Bacteria and Archaea in hypersaline sediment from Death Valley National Park. Using domain-specific primers, a region of the 16S rRNA gene was amplified using polymerase chain reaction (PCR), and the product was subsequently used to create a clone library. A total of 243 bacterial clones, 99 archaeal clones, and 209 bacterial isolates were examined.
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- Ecological sociobiology connects social evolution to ecological adaptation, particularly in the study of quorum sensing diversity in bacteria.
- Researchers sampled Bacillus subtilis from soil to identify distinct ecotypes and associated pherotypes, finding that pherotypes typically align with specific ecotypes.
- The study proposes two models explaining pherotype diversity: one where minority pherotypes cheat social interactions for survival, and another suggesting potential benefits of cross-communication between ecotypes at low population densities.