首页> 美国卫生研究院文献>BMC Genomics >Small RNA sequencing and degradome analysis of developing fibers of short fiber mutants Ligon-lintles-1 (Li1) and −2 (Li2) revealed a role for miRNAs and their targets in cotton fiber elongation
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Small RNA sequencing and degradome analysis of developing fibers of short fiber mutants Ligon-lintles-1 (Li1) and −2 (Li2) revealed a role for miRNAs and their targets in cotton fiber elongation

机译:对短纤维突变体Ligon-lintels-1(Li 1)和-2(Li2)的发育中的纤维进行小RNA测序和降解分析揭示了miRNA及其靶标在棉纤维伸长中的作用

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摘要

BackgroundThe length of cotton fiber is an important agronomic trait that directly affects the quality of yarn and fabric. Understanding the molecular basis of fiber elongation would provide a means for improvement of fiber length. Ligon-lintless-1 (Li1) and −2 (Li2) are monogenic and dominant mutations that result in an extreme reduction in the length of lint fiber on mature seeds. In a near-isogenic state with wild type cotton these two short fiber mutants provide an effective model system to study the mechanisms of fiber elongation. Plant miRNAs regulate many aspects of growth and development. However, the mechanism underlying the miRNA-mediated regulation of fiber development is largely unknown.
机译:背景棉纤维的长度是重要的农艺性状,直接影响纱线和织物的质量。了解纤维伸长的分子基础将为改善纤维长度提供一种手段。 Ligon-lintless-1(Li1)和-2(Li2)是单基因和显性突变,可导致成熟种子上的皮棉纤维长度极端减少。在野生型棉的近等基因状态下,这两个短纤维突变体为研究纤维伸长的机理提供了有效的模型系统。植物miRNA调节生长和发育的许多方面。但是,miRNA介导的纤维发育调控的机制尚不清楚。

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