The molecular mechanism of vernalization in Arabidopsis and cereals: role of Flowering Locus C and its homologs.
Journal
Physiologia plantarum
ISSN: 1399-3054
Titre abrégé: Physiol Plant
Pays: Denmark
ID NLM: 1256322
Informations de publication
Date de publication:
Nov 2020
Nov 2020
Historique:
received:
27
04
2020
revised:
25
06
2020
accepted:
03
07
2020
pubmed:
6
7
2020
medline:
15
12
2020
entrez:
6
7
2020
Statut:
ppublish
Résumé
Winter varieties of plants can flower only after exposure to prolonged cold. This phenomenon is known as vernalization and has been widely studied in the model plant Arabidopsis thaliana as well as in monocots. Through the repression of floral activator genes, vernalization prevents flowering in winter. In Arabidopsis, FLOWERING LOCUS C or FLC is the key repressor during vernalization, while in monocots vernalization is regulated through VRN1, VRN2 and VRN3 (or FLOWERING LOCUS T). Interestingly, VRN genes are not homologous to FLC but FLC homologs are found to have a significant role in vernalization response in cereals. The presence of FLC homologs in monocots opens new dimensions to understand, compare and retrace the evolution of vernalization pathways between monocots and dicots. In this review, we discuss the molecular mechanism of vernalization-induced flowering along with epigenetic regulations in Arabidopsis and temperate cereals. A better understanding of cold-induced flowering will be helpful in crop breeding strategies to modify the vernalization requirement of economically important temperate cereals.
Substances chimiques
Arabidopsis Proteins
0
MADS Domain Proteins
0
Plant Proteins
0
Types de publication
Journal Article
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
373-383Informations de copyright
© 2020 Scandinavian Plant Physiology Society.
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