Comparative Genomic Insights into Chemoreceptor Diversity and Habitat Adaptation of Archaea.

ABSTRACT: Diverse archaea, including many unknown species and phylogenetically deeply rooted taxa, survive in extreme environments. They play crucial roles in the global carbon cycle and element fluxes in many terrestrial, marine, saline, host-associated, hot-spring, and oilfield environments. There is little knowledge of the diversity of chemoreceptors that are presumably involved in their habitat adaptation. Thus, we have explored this diversity through phylogenetic and comparative genomic analyses of complete archaeal genomes. The results show that chemoreceptors are significantly richer in archaea of mild environments than in those of extreme environments, that specific ligand-binding domains of the chemoreceptors are strongly associated with specific habitats, and that the number of chemorecept

SUBMITTER: Cha G 

PROVIDER: S-EPMC9680633 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature