A Genome-wide View of Transcriptome Dynamics During Early Spike Development in Bread Wheat.

ABSTRACT: Wheat spike development is a coordinated process of cell proliferation and differentiation with distinctive phases and architecture changes. However, the dynamic alteration of gene expression in this process remains enigmatic. Here, we characterized and dissected bread wheat spike into six developmental stages, and used genome-wide gene expression profiling, to investigate the underlying regulatory mechanisms. High gene expression correlations between any two given stages indicated that wheat early spike development is controlled by a small subset of genes. Throughout, auxin signaling increased, while cytokinin signaling decreased. Besides, many genes associated with stress responses highly expressed during the double ridge stage. Among the differentially expressed genes (DEGs), were ident

SUBMITTER: Li Y 

PROVIDER: S-EPMC6194122 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature