GEPHE SUMMARY Print
Gephebase Gene
Entry Status
Published
GepheID
GP00001683
Main curator
Courtier
PHENOTYPIC CHANGE
Trait Category
Trait State in Taxon A
Glycine max
Trait State in Taxon B
LJ trait - LJ soybean varieties flower much later than temperate varieties under inductive short-day conditions and also show delayed maturity; leading to improvements in plant height; node number; lodging degree; grain yield; and other important agronomic characteristics in the field at low latitudes
Ancestral State
Taxon A
Taxonomic Status
Taxon A
Latin Name
Common Name
soybean
Synonyms
soybean; soybeans; Glycine max (L.) Merr.; Glycine max; cv. Wye
Rank
species
Lineage
Show more ... angiospermae; eudicotyledons; Gunneridae; Pentapetalae; rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade; NPAAA clade; indigoferoid/millettioid clade; Phaseoleae; Glycine; Soja
NCBI Taxonomy ID
is Taxon A an Infraspecies?
No
Taxon B
Latin Name
Common Name
soybean
Synonyms
soybean; soybeans; Glycine max (L.) Merr.; Glycine max; cv. Wye
Rank
species
Lineage
Show more ... angiospermae; eudicotyledons; Gunneridae; Pentapetalae; rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade; NPAAA clade; indigoferoid/millettioid clade; Phaseoleae; Glycine; Soja
NCBI Taxonomy ID
is Taxon B an Infraspecies?
Yes
Taxon B Description
LJ soybean
GENOTYPIC CHANGE
Generic Gene Name
CYP75B1
Synonyms
CYP75B1; CYTOCHROME P450 75B1; D501; F13G24.190; F13G24_190; F3'H; FLAVONOID 3'-HYDROXYLASE; TRANSPARENT TESTA 7; TT7; At5g07990
Sequence Similarities
Belongs to the cytochrome P450 family.
UniProtKB
Arabidopsis thaliana
GenebankID or UniProtKB
Presumptive Null
Yes
Molecular Type
Aberration Type
Deletion Size
10-99 bp
Molecular Details of the Mutation
recessive allele responsible for the LJ trait - 10-bp deletion predicted to cause a frameshift resulting in premature termination of translation after 195 amino acids in the 714-amino-acid protein
Experimental Evidence
Authors
Lu S; Zhao X; Hu Y; Liu S; Nan H; Li X; Fang C; Cao D; et al. ... show more
Abstract
Soybean is a major legume crop originating in temperate regions, and photoperiod responsiveness is a key factor in its latitudinal adaptation. Varieties from temperate regions introduced to lower latitudes mature early and have extremely low grain yields. Introduction of the long-juvenile (LJ) trait extends the vegetative phase and improves yield under short-day conditions, thereby enabling expansion of cultivation in tropical regions. Here we report the cloning and characterization of J, the major classical locus conferring the LJ trait, and identify J as the ortholog of Arabidopsis thaliana EARLY FLOWERING 3 (ELF3). J depends genetically on the legume-specific flowering repressor E1, and J protein physically associates with the E1 promoter to downregulate its transcription, relieving repression of two important FLOWERING LOCUS T (FT) genes and promoting flowering under short days. Our findings identify an important new component in flowering-time control in soybean and provide new insight into soybean adaptation to tropical regions.
Additional References
RELATED GEPHE
Related Genes
No matches found.
Related Haplotypes
No matches found.
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