Genomic Identification and Characterization of the Cotton YABBY Gene Family
Guoqiang Zhang, Zhen Liu, Mingli Xia, Sainan Zhang, Zhixian Li, Quanwei Lu
TL;DR
This paper identifies and analyzes the YABBY gene family in cotton, revealing their roles in development and evolution.
Contribution
The study provides the first comprehensive analysis of the YABBY gene family in cotton species.
Findings
YABBY genes in cotton are classified into six groups and show diverse expansion patterns.
Segmental duplication and transposon activity drive YABBY gene expansion in cotton.
YABBY genes are involved in cotton fiber development and show purifying selection.
Abstract
Background: YABBY transcription factors play important roles in plant growth and development. Although this gene family has been characterized in many plant species, a comprehensive analysis in cotton remains unavailable. Methods: In this study, we investigated the YABBY gene family in cotton by integrating multiple bioinformatics methods. Results: YABBY genes were identified in the genomes of four cotton species (Gossypium hirsutum, Gossypium barbadense, Gossypium arboretum and Gossypium raimondii) and these identified genes were further classified into six groups. Following this classification, the expansion of the cotton YABBY gene family was examined, and we found that the family exhibits diverse expansion patterns during evolution, with segmental duplication acting as the primary driving force. In contrast, the notably larger repertoire of YABBY genes in G. raimondii is likely…
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Taxonomy
TopicsResearch in Cotton Cultivation · Plant Molecular Biology Research · Lipid metabolism and biosynthesis