DEFECTIVE ENDOSPERM-D1 (Dee-D1) is crucial for endosperm development in hexaploid wheat.
Chromosome Mapping
Edible Grain
/ genetics
Endosperm
/ genetics
Genes, Plant
Genetic Association Studies
Genetic Variation
Genotype
Hybridization, Genetic
In Situ Hybridization, Fluorescence
Plant Development
/ genetics
Polyploidy
Quantitative Trait Loci
Quantitative Trait, Heritable
Triticum
/ genetics
Journal
Communications biology
ISSN: 2399-3642
Titre abrégé: Commun Biol
Pays: England
ID NLM: 101719179
Informations de publication
Date de publication:
23 12 2020
23 12 2020
Historique:
received:
30
04
2020
accepted:
20
11
2020
entrez:
28
12
2020
pubmed:
29
12
2020
medline:
22
6
2021
Statut:
epublish
Résumé
Hexaploid wheat (Triticum aestivum L.) is a natural allopolyploid and provides a usable model system to better understand the genetic mechanisms that underlie allopolyploid speciation through the hybrid genome doubling. Here we aimed to identify the contribution of chromosome 1D in the development and evolution of hexaploid wheat. We identified and mapped a novel DEFECTIVE ENDOSPERM-D1 (Dee-D1) locus on 1DL that is involved in the genetic control of endosperm development. The absence of Dee-D1 leads to non-viable grains in distant crosses and alters grain shape, which negatively affects grain number and thousand-grain weight. Dee-D1 can be classified as speciation locus with a positive effect on the function of genes which are involved in endosperm development in hybrid genomes. The presence of Dee-D1 is necessary for the normal development of endosperm, and thus play an important role in the evolution and improvement of grain yield in hexaploid wheat.
Identifiants
pubmed: 33361776
doi: 10.1038/s42003-020-01509-9
pii: 10.1038/s42003-020-01509-9
pmc: PMC7758331
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
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