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expand all sections collapse all sections Zea mays subsp. mays gene "b1" (GR:0200044)
Species Zea mays subsp. mays (Maize) [ GR_tax:014546 ]
Accession GR:0200044
Gene Symbol b1
Gene Name colored plant1 
Synonyms (10)
E.C. Numbers (0)
Pathway Reactions (0)
Chromosome No. 2
Gene Type Not classified
Has Phenotype not curated
Description Dominant B1 plants have anthocyanin in major plant tissues; some alleles affect aleurone and embryo color; regulates flavonoid enzymes; SSR umc1776. Dominant B1 determines anthocyanin in major plant tissues; some alleles affect aleurone and embryo color. Provides distribution of anthocyanin pigments (purple with Pl1, sun-red with pl1, brown with a1, a2, bz1, bz2, or c2) to most above-ground plant parts. Intermediate alleles give pigments only at base of glumes (glume bar) and little pigment elsewhere. Dominant allele (B1) subject to paramutagenic effect (Coe 1966 Genetics 53:1035). Dominant allele (B1-Peru) is duplicate of R1 (Chandler et al. 1989 Plant Cell 1:1175), produces anthocyanin in aleurone with dilution dosage effect rather than the mottling effect shown by the reference R1 allele. Encodes a nuclear transcriptional activator (myc) protein. Single cistron, unlike r1. npi# (b1); the allele B1-intense contains a Tourist element. Genetic 2005 2 coordinates determined from these recombination and map data: umc61 -1- b1 -2.5- ivr1; see MaizeGDB ID:934701. This gene was originally curated in MaizeGDB Database and the map position was displayed on the maize bins map if feasible.
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toggle section Map Positions (3)
toggle section Gene Map Positions (2)
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toggle section Database Cross-References (1)
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