Soybean adaption to high-latitude regions is associated with natural variations of GmFT2b, an ortholog of FLOWERING LOCUS T.
Adaptation, Physiological
/ genetics
Arabidopsis Proteins
/ genetics
CRISPR-Associated Protein 9
CRISPR-Cas Systems
Cloning, Molecular
Flowers
/ growth & development
Gene Editing
Gene Expression Regulation, Plant
/ genetics
Genetic Variation
/ genetics
Geography
Photoperiod
Plant Proteins
/ genetics
Glycine max
/ genetics
Transcription Factors
/ genetics
Transcriptome
Glycine max (L.) Merr.
GmFT2b
Soybean
flowering promoter
gene haplotype
photoperiod
Journal
Plant, cell & environment
ISSN: 1365-3040
Titre abrégé: Plant Cell Environ
Pays: United States
ID NLM: 9309004
Informations de publication
Date de publication:
04 2020
04 2020
Historique:
received:
03
09
2019
revised:
25
11
2019
accepted:
01
12
2019
pubmed:
26
1
2020
medline:
9
1
2021
entrez:
26
1
2020
Statut:
ppublish
Résumé
Day length has an important influence on flowering and growth habit in many plant species. In crops such as soybean, photoperiod sensitivity determines the geographical range over which a given cultivar can grow and flower. The soybean genome contains ~10 genes homologous to FT, a central regulator of flowering from Arabidopsis thaliana. However, the precise roles of these soybean FTs are not clearly. Here we show that one such gene, GmFT2b, promotes flowering under long-days (LDs). Overexpression of GmFT2b upregulates expression of flowering-related genes which are important in regulating flowering time. We propose a 'weight' model for soybean flowering under short-day (SD) and LD conditions. Furthermore, we examine GmFT2b sequences in 195 soybean cultivars, as well as flowering phenotypes, geographical distributions and maturity groups. We found that Hap3, a major GmFT2b haplotype, is associated with significantly earlier flowering at higher latitudes. We anticipate our assay to provide important resources for the genetic improvement of soybean, including new germplasm for soybean breeding, and also increase our understanding of functional diversity in the soybean FT gene family.
Identifiants
pubmed: 31981430
doi: 10.1111/pce.13695
pmc: PMC7154755
doi:
Substances chimiques
Arabidopsis Proteins
0
FT protein, Arabidopsis
0
Plant Proteins
0
Transcription Factors
0
CRISPR-Associated Protein 9
EC 3.1.-
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
934-944Informations de copyright
© 2020 The Authors. Plant, Cell & Environment published by Wiley Periodicals, Inc.
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