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- Title
Global analysis of the developmental dynamics of Gossypium hirsutum based on strand-specific transcriptome.
- Authors
Lei Ma; Yanqin Wang; Gentu Yan; Shoujun Wei; Dayun Zhou; Meng Kuang; Dan Fang; Shuangjiao Xu; Weihua Yang
- Abstract
Cotton is an economically important crop that provides both natural fiber and by-products such as oil and protein. Its global gene expression could provide insight into the biological processes underlying growth and development, which involve suites of genes expressed with temporal and spatial control by regulatory networks. Generally, the goal for cotton breeding is improvement of the fiber; thus, most previous research has focused on identifying genes specific to the fiber. However, seeds may also play an important role in fiber development. In this study, we constructed and systematically analyzed 21 strand-specific RNA-Seq libraries for Gossypium hirsutum, covering different tissues, organs and development stages, from which approximately 970 million reads were generated to provide a global view of gene expression during cotton development. The organ (tissue)-specific gene expression patterns were investigated, providing further insight into the dynamic programming associated with developmental processes and a way to study the coordination of development between fiber cells and ovules. Series of transcription factors and seed-specific genes have been identified as candidate genes that could elucidate key mechanisms and regulatory networks in nutrient accumulation during ovule development and in fiber development. This study reports comprehensive transcriptome dynamics at various stages of cotton development and will serve as a valuable genome-wide transcriptome resource for initial gene discovery and functional characterization of genes in cotton.
- Subjects
COTTON; GYNOECIUM; GENE ontology; RNA sequencing; GLYCEROLPHOSPHATE dehydrogenase; PHOSPHOLIPIDS
- Publication
Physiologia Plantarum, 2016, Vol 158, Issue 1, p106
- ISSN
0031-9317
- Publication type
Article
- DOI
10.1111/ppl.12432