The underlying pathway involved in inter-subspecific hybrid male sterility in rice.
The underlying pathway involved in inter-subspecific hybrid male sterility in rice.
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水稻亚种间杂种雄性不育的基本途径。
DOI：
10.1016/j.ygeno.2018.09.018
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发表时间：
2019-12
期刊：
影响因子：
4.4
通讯作者：
Yang Jiangyi
中科院分区：
文献类型：
--
作者：
Shan Jianwei;Cai Zhongquan;Zhang Yu;Xu Hannan;Rao Jianglei;Fan Yourong;Yang Jiangyi
水稻f5基因座对杂种雄性不育和分离畸变有显著影响。以具有f5-i/i、f5-j/j和f5-i/j基因型的BC 14 F2植株为材料，通过比较转录组分析，探讨了5-引起杂种雄性不育的潜在途径。在f5-i/jvsf 5-j/j、f5-j/jvsf 5-i/i和f5-i/jvsf 5-i/i中分别鉴定出350、421和480个差异表达基因（DEG）。在inf 5-i/jvsf 5-j/jandf 5-i/jvsf 5-i/i中同时鉴定了145个DEG。富集分析表明，应激和细胞控制相关的过程是丰富的。抗坏血酸过氧化物酶（APX）和大多数热激蛋白（HSPs）的表达降低，这可能是花粉细胞对各种胁迫敏感性增强的原因。本文提出了一个模式来概括f5引起的杂种雄性不育的基本过程。这些结果将为进一步揭示5号染色体引起的亚种间生殖隔离的分子机制提供重要线索。
f5locus in rice (Oryza sativaL.) confers significant effects on hybrid male sterility and segregation distortion. BC14F2plants withf5-i/i,f5-j/jandf5-i/jgenotypes were used to dissect the underlying pathway off5-caused hybrid male sterility via comparative transcriptome analysis. A total of 350, 421, and 480 differentially expressed genes (DEGs) were identified fromf5-i/jvsf5-j/j,f5-j/jvsf5-i/i, andf5-i/jvsf5-i/i, respectively. 145 DEGs were identified simultaneously inf5-i/jvsf5-j/jandf5-i/jvsf5-i/i. Enrichment analysis indicated that stress and cell control related processes were enriched. The expression ofascorbate peroxidase(APX) and most of theheat shock proteins (HSPs) were decreased, which might result in higher sensitivity to various stresses in pollen cells. A model was proposed to summarize the underlying process forf5-caused hybrid male sterility. These results would provide significant clues to further dissecting the molecular mechanism off5-caused inter-subspecific reproductive isolation.
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