Identification and Functional Analysis of microRNAs Involved in the Anther Development in Cotton Genic Male Sterile Line Yu98-8A
文献类型: 外文期刊
第一作者: Xiaojie Yang;;Yuanming Zhao;;Deyi Xie
作者: Xiaojie Yang;Yuanming Zhao;Deyi Xie;Yao Sun;Xunlu Zhu;Nardana Esmaeili;Zuoren Yang;Ye Wang;Guo Yin;Shuping Lv;Lihong Nie;Zhongjie Tang;Fu’an Zhao;Wu Li;Neelam Mishra;Li Sun;Wei Zhu;Weiping Fang
作者机构:
关键词: cotton;male abortion;miRNAs;targets;molecular regulation;phytohormone
期刊名称:INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES ( 影响因子:5.923; 五年影响因子:6.132 )
ISSN: 1422-0067
年卷期: 2016 年 17 卷 10 期
页码:
收录情况: SCI
摘要: Hybrid vigor contributes in a large way to the yield and quality of cotton (Gossypium hirsutum) fiber. Although microRNAs play essential regulatory roles in flower induction and development, it is still unclear if microRNAs are involved in male sterility, as the regulatory molecular mechanisms of male sterility in cotton need to be better defined. In this study, two independent small RNA libraries were constructed and sequenced from the young buds collected from the sporogenous cell formation to the meiosis stage of the male sterile line Yu98-8A and the near-isogenic line. Sequencing revealed 1588 and 1536 known microRNAs and 347 and 351 novel miRNAs from male sterile and male fertile libraries, respectively. MicroRNA expression profiles revealed that 49 conserved and 51 novel miRNAs were differentially expressed. Bioinformatic and degradome analysis indicated the regulatory complexity of microRNAs during flower induction and development. Further RT-qPCR and physiological analysis indicated that, among the different Kyoto Encyclopedia Gene and Genomes pathways, indole-3-acetic acid and gibberellic acid signaling transduction pathways may play pivotal regulatory functions in male sterility.
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