Evolutionary divergence in embryo and seed coat development of U’s Triangle Brassica species illustrated by a spatiotemporal transcriptome atlas

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Fichier	Format	Taille
Finaltext	PDF	5,6 Mio
Dataset S1 Homoeologs in six Brassica species.	XLSX	13,1 Mio
Dataset S2 RNA-seq sample information and the differential gene expression analysis design.	XLSX	25 Kio
Dataset S3 Differentially expressed gene analysis between embryo and seed coat in three diploid Brassica species	XLSX	20,5 Mio
Dataset S4 Differentially expressed gene analysis between embryo and seed coat in three tetraploid Brassica species	XLSX	23,5 Mio
Dataset S5 Differentially expressed gene analysis among triads from three diploid Brassica species during seed development in embryo and seed coat	XLSX	21,7 Mio
Dataset S6 Differentially expressed gene analysis among homologs from three tetraploid Brassica species during seed development in embryo and seed coat	XLSX	26,9 Mio
Dataset S7 Differentially expressed gene analysis between tetraploid and diploid Brassica species during seed development in embryo and seed coat	XLSX	36,1 Mio
Dataset S8 Homoeolog expression bias in tetraploid Brassica species during seed development	XLSX	48 Kio
Dataset S9 Additive and nonadditive (dominance and transgressive) features in tetraploid Brassica species during seed development	XLSX	126 Kio
Dataset S10 Specific expressed genes in different stages, tissues and species from six Brassica species	XLSX	2,4 Mio
Dataset S11 Correlation of gene expression between embryo and seed coat from six Brassica species	XLSX	1,4 Mio
Dataset S12 Co-expressed modules identified from weighted gene co-expression network analysis	XLSX	5,3 Mio
Dataset S13 Overlapped differentially expressed gene between E1 vs UO and S1 vs UO in embryo and seed coat from six Brassica species	XLSX	2,0 Mio
Dataset S14 Identification of different gene categories in six Brassica species based on Arabidopsis homologs	XLSX	1015 Kio
Dataset S15 Embryo- and seed coat-dominantly expressed homoeologs from six Brassica species based on differentially expressed gene analysis	XLSX	56 Kio
Dataset S16 Distribution of embryo or seed coat dominant genes in different gene categories from six Brassica species based on differentially expressed gene analysis	XLSX	23 Kio
Dataset S17 Predicted transcription factors involved in storage reserves metabolic regulation in six Brassica species	XLSX	186 Kio
Dataset S18 Fatty acid biosynthesis and modification genes identified in six Brassica species	XLSX	191 Kio
Dataset S19 Fatty acid composition measured by gas chromatography in six Brassica species from E3 to E7	XLSX	18 Kio
Dataset S20 Phylostratum and divergence stratum levels of each gene in six Brassica species	XLSX	10,7 Mio
Supplement and figures	PDF	14,9 Mio

DOI

Trouver le DOI : https://doi.org/10.1111/nph.17759

Auteur

Affiliation

Conseil national de recherches Canada. Développement des cultures et des ressources aquatiques

Format

Texte, Article

Résumé

The economically valuable Brassica species include the six related members of U’s Triangle. Despite the agronomic and economic importance of these Brassicas, the impacts of evolution and relatively recent domestication events on the genetic landscape of seed development have not been comprehensively examined in these species. Here we present a 3D transcriptome atlas for the six species of U’s Triangle, producing a unique resource that captures gene expression data for the major subcompartments of the seed, from the unfertilized ovule to the mature embryo and seed coat. This comprehensive dataset for seed development in tetraploid and ancestral diploid Brassicas provides new insights into evolutionary divergence and expression bias at the gene and subgenome levels during the domestication of these valued crop species. Comparisons of gene expression associated with regulatory networks and metabolic pathways operating in the embryo and seed coat during seed development reveal differences in storage reserve accumulation and fatty acid metabolism among the six Brassica species. This study illustrates the genetic underpinnings of seed traits and the selective pressures placed on seed production, providing an immense resource for continued investigation of Brassica polyploid biology, genomics and evolution.

Date de publication

2021-10-23

Maison d’édition

New Phytologist Foundation
Wiley

Licence

Creative Commons Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/deed.fr

Dans

Données connexes

Langue

anglais

Publications évaluées par des pairs

Oui

Numéro du CNRC

NRC-ACRD-PDB098

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Exporter en format RIS

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Identificateur de l’enregistrement

3f545c04-503c-4834-8810-0fc88d683db9

Enregistrement créé

2022-01-21

Enregistrement modifié

2022-01-24

Détails de la page

Par :

Conseil national de recherches Canada

Date de modification :: 2026-10-11