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Identification and analysis of isoflavone reductase gene family in Gossypium hirsutum L
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Identification and analysis of isoflavone reductase gene family in Gossypium hirsutum L
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Journal Article
Identification and analysis of isoflavone reductase gene family in Gossypium hirsutum L
2023
Overview
Isoflavone reductase (
IFR
) is a key enzyme controlling isoflavone synthesis and widely involved in response to various stresses. In this study, the
IFR
genes in four
Gossypium
species and other 7 species were identified and analyzed in the whole genome, and the physicochemical properties, gene structures,
cis
-acting elements, chromosomal locations, collinearity relationships and expression patterns of
IFR
genes were systematically analyzed. 28, 28, 14 and 15
IFR
genes were identified in
Gossypium hirsutum
,
Gossypium barbadense
,
Gossypium arboreum
and
Gossypium raimondii
, respectively, which were divided into five clades according to the evolutionary tree and gene structure. Collinear analysis showed that segmental duplication and whole genome duplication were the main driving forces in the process of evolution, and most genes underwent pure selection. Gene structure analysis showed that
IFR
gene family was relatively conserved.
Cis
-element analysis of promoter showed that most
GhIFR
genes contain
cis
-elements related to abiotic stresses and plant hormones. Analysis of
GhIFR
gene expression under different stresses showed that
GhIFR
genes were involved in the response to drought, salt, heat and cold stresses through corresponding network mechanisms, especially
GhIFR9A
. Phenotypic analysis after silencing
GhIFR9A
gene by VIGS was shown that
GhIFR9A
gene was involved in the response to salt stress. This study laid a foundation for the subsequent functional study of cotton
IFR
genes.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
