Abstract：
:To understand the mechanisms of male sterility in cotton (Gossypium spp.), combined histological, biochemical and transcription analysis using RNA-Seq was carried out in the anther of the single-gene recessive genic male sterility system of male sterile line 1355A and male fertile line 1355B, which are near-isogenic lines (NILs) differing only in the fertility trait. A total of 2,446 differentially expressed genes were identified between the anthers of 1355AB lines, at three different stages of development. Cluster analysis and functional assignment of differentially expressed genes revealed differences in transcription associated with pollen wall and anther development, including the metabolism of fatty acids, glucose, pectin and cellulose. Histological and biochemical analysis revealed that a major cellular defect in the 1355A was a thicker nexine, consistent with the RNA-seq data, and further gene expression studies implicated differences in fatty acids synthesis and metabolism. This study provides insight into the phenotypic characteristics and gene regulatory network of the genic male sterile line 1355A in upland cotton.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Wu Y,Min L,Wu Z,Yang L,Zhu L,Yang X,Yuan D,Guo X,Zhang Xdoi
10.1038/srep09608subject
Has Abstractpub_date
2015-06-05 00:00:00pages
9608issn
2045-2322pii
srep09608journal_volume
5pub_type
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