2010
DOI: 10.1038/ng.551
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Abstract: Breeding to increase beta-carotene levels in cereal grains, termed provitamin A biofortification, is an economical approach to address dietary vitamin A deficiency in the developing world. Experimental evidence from association and linkage populations in maize (Zea mays L.) demonstrate that the gene encoding beta-carotene hydroxylase 1 (crtRB1) underlies a principal quantitative trait locus associated with beta-carotene concentration and conversion in maize kernels. crtRB1 alleles associated with reduced trans… Show more

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Cited by 411 publications
(507 citation statements)
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“…These TCs and ESTs were further assembled into two paralogous genes, each with three homeologs, which encode proteins that are 72% identical to each other over 90% of the protein length. Several acronyms have been used in the literature for β-hydroxylases cloned from different plant species, including BCH in Arabidopsis, CrtR-b in tomato, CHY in potato, BCH and HYD in rice, CrtR-B and HYD in maize, and HYD in sorghum (Diretto et al, 2007;Du et al, 2010;Galpaz et al, 2006;Kim et al, 2009;Tian et al, 2003;Vallabhaneni et al, 2009;Yan et al, 2010). To avoid further complications in β-hydroxylase nomenclature, we designated the two newly cloned wheat β-hydroxylases as HYD1 and HYD2, to be consistent with the majority of their monocotyledonous homologs (Vallabhaneni et al, 2009).…”
Section: Resultsmentioning
confidence: 99%
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“…These TCs and ESTs were further assembled into two paralogous genes, each with three homeologs, which encode proteins that are 72% identical to each other over 90% of the protein length. Several acronyms have been used in the literature for β-hydroxylases cloned from different plant species, including BCH in Arabidopsis, CrtR-b in tomato, CHY in potato, BCH and HYD in rice, CrtR-B and HYD in maize, and HYD in sorghum (Diretto et al, 2007;Du et al, 2010;Galpaz et al, 2006;Kim et al, 2009;Tian et al, 2003;Vallabhaneni et al, 2009;Yan et al, 2010). To avoid further complications in β-hydroxylase nomenclature, we designated the two newly cloned wheat β-hydroxylases as HYD1 and HYD2, to be consistent with the majority of their monocotyledonous homologs (Vallabhaneni et al, 2009).…”
Section: Resultsmentioning
confidence: 99%
“…β-hydroxylase control of β-carotene and β-carotene derived xanthophyll (oxygenated carotenoid) accumulation was previously demonstrated in different plant tissues, such as potato tubers and maize grains (Brown et al, 2006;Yan et al, 2010). In potato tubers, a polymorphism at a β-hydroxylase locus was shown to at least partially account for variation in β-carotene accumulation (Brown et al, 2006).…”
Section: Introductionmentioning
confidence: 97%
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