Molecular Evolution of the Glutathione S-Transferase Family in the Bemisia tabaci Species Complex.

ABSTRACT: The glutathione S-transferase (GST) family plays an important role in the adaptation of herbivorous insects to new host plants and other environmental constrains. The family codes for enzymes that neutralize reactive oxygen species and phytotoxins through the conjugation of reduced glutathione. Here, we studied the molecular evolution of the GST family in Bemisia tabaci, a complex of >35 sibling species, differing in their geographic and host ranges. We tested if some enzymes evolved different functionality, by comparing their sequences in six species, representing five of the six major genetic clades in the complex. Comparisons of the nonsynonymous to synonymous substitution ratios detected positive selection events in 11 codons of 5 cytosolic GSTs. Ten of them are located in the peripher

SUBMITTER: Aidlin Harari O 

PROVIDER: S-EPMC7058157 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature