RRC ID 2517
Author Shitsukawa N, Ikari C, Shimada S, Kitagawa S, Sakamoto K, Saito H, Ryuto H, Fukunishi N, Abe T, Takumi S, Nasuda S, Murai K.
Title The einkorn wheat (Triticum monococcum) mutant, maintained vegetative phase, is caused by a deletion in the VRN1 gene.
Journal Genes Genet Syst
Abstract The einkorn wheat (Triticum monococcum) mutant, maintained vegetative phase (mvp), was induced by nitrogen ion-beam treatment and was identified by its inability to transit from the vegetative to reproductive phase. In our previous study, we showed that WAP1 (wheat APETALA1) is a key gene in the regulatory pathway that controls phase transition from vegetative to reproductive growth in common wheat. WAP1 is an ortholog of the VRN1 gene that is responsible for vernalization insensitivity in einkorn wheat. The mvp mutation resulted from deletion of the VRN1 coding and promoter regions, demonstrating that WAP1/VRN1 is an indispensable gene for phase transition in wheat. Expression analysis of flowering-related genes in mvp plants indicated that wheat GIGANTIA (GI), CONSTANS (CO) and SUPRESSOR OF OVEREXPRESSION OF CONSTANS 1 (SOC1) genes either act upstream of or in a different pathway to WAP1/VRN1.
Volume 82(2)
Pages 167-70
Published 2007-4-1
DOI 10.1266/ggs.82.167
PII JST.JSTAGE/ggs/82.167
PMID 17507783
MeSH Acclimatization / genetics Cell Proliferation* DNA-Binding Proteins / genetics* Gene Deletion Mutation Plant Proteins / genetics Plants, Genetically Modified Triticum / genetics*
IF 0.917
Times Cited 93
WOS Category GENETICS & HEREDITY BIOCHEMISTRY & MOLECULAR BIOLOGY
Resource
Wheat KU104-1 KU104-2?