Comparative transcriptomics reveals desynchronisation of gene expression during the floral transition between Arabidopsis and Brassica rapa cultivars

Comparative transcriptomics can be used to translate an understanding of gene regulatory networks from model systems to less studied species. Here, we use RNA-Seq to determine and compare gene expression dynamics through the floral transition in the model species and the closely related crop . We fi...

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Bibliographic Details
Published in:Quantitative plant biology 2021, Vol.2, p.e4-e4, Article e4
Main Authors: Calderwood, Alexander, Hepworth, Jo, Woodhouse, Shannon, Bilham, Lorelei, Jones, D Marc, Tudor, Eleri, Ali, Mubarak, Dean, Caroline, Wells, Rachel, Irwin, Judith A, Morris, Richard J
Format: Article
Language:English
Subjects:
Animal reproduction
Arabidopsis
Brassica
Brassica rapa
comparative transcriptomics
Cultivars
Environmental conditions
Flowering
Gene expression
Laboratories
Morphology
Oilseeds
Organisms
Original
Registration
Rice
SOC1
Transcriptomics
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Summary:Comparative transcriptomics can be used to translate an understanding of gene regulatory networks from model systems to less studied species. Here, we use RNA-Seq to determine and compare gene expression dynamics through the floral transition in the model species and the closely related crop . We find that different curve registration functions are required for different genes, indicating that there is no single common 'developmental time' between Arabidopsis and . A detailed comparison between Arabidopsis and and between two accessions reveals different modes of regulation of the key floral integrator , and that the floral transition in the accessions is triggered by different pathways. Our study adds to the mechanistic understanding of the regulatory network of flowering time in rapid cycling and highlights the importance of registration methods for the comparison of developmental gene expression data.
ISSN:2632-8828
2632-8828
DOI:10.1017/qpb.2021.6