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Global transcriptome analysis of subterranean pod and seed in peanut (Arachis hypogaea L.) unravels the complexity of fruit development under dark condition

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Relation http://oar.icrisat.org/11615/
https://doi.org/10.1038/s41598-020-69943-7
doi:10.1038/s41598-020-69943-7
 
Title Global transcriptome analysis of subterranean pod and seed in peanut (Arachis hypogaea L.) unravels the complexity of fruit development under dark condition
 
Creator Liu, H
Liang, X
Lu, Q
Li, H
Liu, H
Li, S
Varshney, R K
Hong, Y
Chen, X
 
Subject Groundnut
Genetics and Genomics
 
Description Peanut pods develop underground, which is the most salient characteristic in peanut. However, its
developmental transcriptome remains largely unknown. In the present study, we sequenced over
one billion transcripts to explore the developmental transcriptome of peanut pod using Illumina
sequencing. Moreover, we identified and quantified the abundances of 165,689 transcripts in seed
and shell tissues along with a pod developmental gradient. The dynamic changes of differentially
expressed transcripts (DETs) were described in seed and shell. Additionally, we found that
photosynthetic genes were not only pronouncedly enriched in aerial pod, but also played roles in
developing pod under dark condition. Genes functioning in photomorphogenesis showed distinct
expression profiles along subterranean pod development. Clustering analysis unraveled a dynamic
transcriptome, in which transcripts for DNA synthesis and cell division during pod expansion were
transitioning to transcripts for cell expansion and storage activity during seed filling. Collectively, our
study formed a transcriptional baseline for peanut fruit development under dark condition.
 
Publisher NATURE PUBLISHING GROUP
 
Date 2020-08
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11615/1/s41598-020-69943-7-5.pdf
Liu, H and Liang, X and Lu, Q and Li, H and Liu, H and Li, S and Varshney, R K and Hong, Y and Chen, X (2020) Global transcriptome analysis of subterranean pod and seed in peanut (Arachis hypogaea L.) unravels the complexity of fruit development under dark condition. Scientific Reports (TSI), 10 (1). pp. 1-12. ISSN 2045-2322