wheat:gateway+genes

DGE-2

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Given name + traits Accession # + images 
+ dates		Genetic data OriginNOTE + collected Ancestry Other names + other # Notes
DGE-2
Triticum turgidum
status = Genetic stock
order = not available
# PI 663216

@ USDA-ARS (USA) INFO > GRIS 
received: 16/8/2011

GRIS{1E(1A)
REF
; Glu-E1b
REF
}
United States, North Dakota (developed)
(PI 645483 / Langdon 1D(1A))*5 GRIS {DGE-1 / 5*Langdon-1D (1A)
REF
} PEDIGREE
synonyms = GRIS {GS-171
REF
;
}
other # = GRIS{PI-663216}
DGE-2 is a durum 1E(1A) alien disomic substitution line with 28 chromosomes, 26 derived durum wheat cultivar 'Langdon' and two chromosomes from diploid wheatgrass, Lophopyrum elongatum (Host) A Love (2n = 2x = 14; EE genome). Chromosome 1E in double dose from the wheatgrass replaces the pair of 1A chromosomes of durum. DGE-2 was derived from a cross between the alien 1E disomic addition line DGE-1 (PI 645483) and Langdon disomic substitution line 1D(1A). DGE-2 alien substitution has regular meiosis with 14 bivalents and is fertile. Seed size of DGE-2 is smaller than that of Langdon. Its 100-kernel weight is 2.74 gm compared to 3.20 gm of Langdon and 2.50 gm of DGE-1. Chromosomal status of DGE-2 has been verified by both conventional cytological techniques and fluorescent genomic in situ hybridization. Molecular markers specific to the group-1 chromosomes were used to confirm the substitution of chromosome 1A with 1E. DGE-2 has the high molecular weight glutenin alleles from the durum parent as well as an added allele Glu-E1b from L. elongatum chromosome 1E. The new disomic substitution DGE-2 should be useful for basic and applied research on homoeologous group-1 genes
Given name + traits Accession # + images 
+ dates		Genetic data OriginNOTE + collected Ancestry Other names + other # Notes
DGE-2
Triticum turgidum
status = Genetic stock
order = not available
# PI 663216

@ USDA-ARS (USA) INFO > GRIS 
received: 16/8/2011

GRIS{1E(1A)
REF
; Glu-E1b
REF
}
United States, North Dakota (developed)
(PI 645483 / Langdon 1D(1A))*5 GRIS {DGE-1 / 5*Langdon-1D (1A)
REF
} PEDIGREE
synonyms = GRIS {GS-171
REF
;
}
other # = GRIS{PI-663216}
DGE-2 is a durum 1E(1A) alien disomic substitution line with 28 chromosomes, 26 derived durum wheat cultivar 'Langdon' and two chromosomes from diploid wheatgrass, Lophopyrum elongatum (Host) A Love (2n = 2x = 14; EE genome). Chromosome 1E in double dose from the wheatgrass replaces the pair of 1A chromosomes of durum. DGE-2 was derived from a cross between the alien 1E disomic addition line DGE-1 (PI 645483) and Langdon disomic substitution line 1D(1A). DGE-2 alien substitution has regular meiosis with 14 bivalents and is fertile. Seed size of DGE-2 is smaller than that of Langdon. Its 100-kernel weight is 2.74 gm compared to 3.20 gm of Langdon and 2.50 gm of DGE-1. Chromosomal status of DGE-2 has been verified by both conventional cytological techniques and fluorescent genomic in situ hybridization. Molecular markers specific to the group-1 chromosomes were used to confirm the substitution of chromosome 1A with 1E. DGE-2 has the high molecular weight glutenin alleles from the durum parent as well as an added allele Glu-E1b from L. elongatum chromosome 1E. The new disomic substitution DGE-2 should be useful for basic and applied research on homoeologous group-1 genes

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