Investigation and characterization of the GhPPO gene family and its expression in response to fibre cell growth and biotic stress in Gossypium hirsutum L.

ABSTRACT:

Background

Cotton is an important crop that provides a natural fiber source for the textile industry. Polyphenol oxidase (PPO) is a type of ubiquitous metalloproteinase in plants, which play crucial roles in regulating plant growth and development, as well as plant resistance against biotic and abiotic stresses. Although the whole genome sequence of Gossypium hirsutum L. (G. hirsutum) has long been published, this gene family has not yet been well studied in cotton.

Results

In the present paper, we have identified the 51 PPO genes in cotton, and deeply analyzed 15 PPO genes in G. hirsutum, which are named GhPPOs. We found that three conserved domains - tyrosinase, DWL, and KFDV, were present in all 15 GhPPOs. We also analyzed the molecular characterization, phylogenetic rela

SUBMITTER: Lv LM 

PROVIDER: S-EPMC12720466 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature