Genome-wide analysis of the barley non-specific lipid transfer protein gene family
Mengyue Zhang | Yujin Kim | Jie Zong | Hong Lin | Anne Dievart | Huanjun Li | Dabing Zhang | Wanqi Liang
Non-specific lipid transfer proteins (nsLTPs) are small, basic proteins that are characterized by an eight-cysteine motif. The biological functions of these proteins have been reported to involve plant reproduction and biotic or abiotic stress response. With the completion of the barley genome sequence, a genome-wide analysis of nsLTPs in barley (Hordeum vulgare L.) (HvLTPs) will be helpful for understanding the function of nsLTPs in plants. We performed a genome-wide analysis of the nsLTP gene family in barley and identified 70 nsLTP genes, which can be divided into five types (1, 2, C, D, and G). Each type of nsLTPs shares similar exon and intron gene structures. Expression analysis showed that barley nsLTPs have diverse expression patterns, revealing their various roles. Our results shed light on the phylogenetic relationships and potential functions of barley nsLTPs and will be useful for future studies of barley development and molecular breeding. Keywords: Lipid transfer protein, Barley, Classification, Sequence analysis, Gene expression
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