Transcriptome-wide sequencing provides insights into geocarpy in peanut (Arachis hypogaea L.).

ABSTRACT: A characteristic feature of peanut is the subterranean fructification, geocarpy, in which the gynophore ('peg'), a specialized organ that transitions from upward growth habit to downward outgrowth upon fertilization, drives the developing pod into the soil for subsequent development underground. As a step towards understanding this phenomenon, we explore the developmental dynamics of the peanut pod transcriptome at 11 successive stages. We identified 110 217 transcripts across developmental stages and quantified their abundance along a pod developmental gradient in pod wall. We found that the majority of transcripts were differentially expressed along the developmental gradient as well as identified temporal programs of gene expression, including hundreds of transcription factors. Thought

SUBMITTER: Chen X 

PROVIDER: S-EPMC11388922 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature