Identification and Characterization of Phytocyanin Family Genes in Cotton Genomes

文献类型： 外文期刊

第一作者： Tufail, Muhammad Bilal

作者： Tufail, Muhammad Bilal;Zuo, Dongyun;Cheng, Hailiang;Ali, Mushtaque;Soomro, Mahtab;Song, Guoli;Yasir, Muhammad;Hafeez, Abdul

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关键词： phytocyanins (PCs); cotton; fibre; gene expression profile

期刊名称：GENES （ 影响因子：3.5； 五年影响因子：3.9 ）

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年卷期： 2023 年 14 卷 3 期

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收录情况： SCI

摘要： Phytocyanins (PCs) are a class of plant-specific blue copper proteins that have been demonstrated to play a role in electron transport and plant development. Through analysis of the copper ligand residues, spectroscopic properties, and domain architecture of the protein, PCs have been grouped into four subfamilies: uclacyanins (UCs), stellacyanins (SCs), plantacyanins (PLCs), and early nodulin-like proteins (ENODLs). The present study aimed to identify and characterise the PCs present in three distinct cotton species (Gossypium hirsutum, Gossyium arboreum, and Gossypium raimondii) through the identification of 98, 63, and 69 genes respectively. We grouped PCs into four clades by using bioinformatics analysis and sequence alignment, which exhibit variations in gene structure and motif distribution. PCs are distributed across all chromosomes in each of the three species, with varying numbers of exons per gene and multiple conserved motifs, and with a minimum of 1 and maximum of 11 exons found on one gene. Transcriptomic data and qRT-PCR analysis revealed that two highly differentiated PC genes were expressed at the fibre initiation stage, while three highly differentiated PCs were expressed at the fibre elongation stage. These findings serve as a foundation for further investigations aimed at understanding the contribution of this gene family in cotton fibre production.

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