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GrainGenes Gene Report: bh-D1 (Triticum)

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Gene	bh-D1 (Triticum)
Full Name	Branched spike
Synonym	Other name mrs (Triticum)
Gene Class	Branched spike
Locus	mrs1(bh-D1)
Reference	Dobrovolskaya O et al. (2009) Microsatellite mapping of genes that determine supernumerary spikelets in wheat (T. aestivum) and rye (S. cereale). Theoretical and Applied Genetics 119:867-874. Peng ZS et al. (1998) Genetic control of supernumerary spikelet in common wheat line LYB. Wheat Information Service 86:6-12. Klindworth DL et al. (1990) Chromosomal location of genes for supernumerary spikelet in tetraploid wheat. Genome 33:515-520.
URL	bh-D1 at Komugi: Catalog of Gene Symbols for Wheat
Chromosome	2D Dobrovolskaya O et al. (2009) Microsatellite mapping of genes that determine supernumerary spikelets in wheat (T. aestivum) and rye (S. cereale). Theoretical and Applied Genetics 119:867-874.
Chromosome Arm	2DS Dobrovolskaya O et al. (2009) Microsatellite mapping of genes that determine supernumerary spikelets in wheat (T. aestivum) and rye (S. cereale). Theoretical and Applied Genetics 119:867-874.
Germplasm	Hexaploid stock Ra1 Dobrovolskaya O et al. (2009) Microsatellite mapping of genes that determine supernumerary spikelets in wheat (T. aestivum) and rye (S. cereale). Theoretical and Applied Genetics 119:867-874. Ruc163-1-02 Dobrovolskaya O et al. (2009) Microsatellite mapping of genes that determine supernumerary spikelets in wheat (T. aestivum) and rye (S. cereale). Theoretical and Applied Genetics 119:867-874. Ruc167-1-02 Dobrovolskaya O et al. (2009) Microsatellite mapping of genes that determine supernumerary spikelets in wheat (T. aestivum) and rye (S. cereale). Theoretical and Applied Genetics 119:867-874.
Comment	A chromosome 2B gene of minor effect was identified (Klindworth et al, 1990) In a monosomic analysis of the hexaploid line LYB with supernumerary spikelets, Peng et al. (1998) located recessive genes in chromosomes 2A and 4A that promote the development of supernumerary spikelets and a gene in chromosome 2D that prevents their expression.
Data Curator	Cooper, Laurel Sept-6-2019

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