A mutant carotenoidogenic bacterium, comprising any of genes (a)-(c) below:
(a) a gene encoding a protein comprising a mutant amino acid sequence in which at least the 225th amino acid residue in the amino acid sequence of 1-deoxy-D-xylulose 5-phosphate synthase of a carotenoidogenic bacterium has been substituted with other amino acid residue;
(b) a gene encoding a protein comprising a mutant amino acid sequence in which at least the 305th amino acid residue in the amino acid sequence of decaprenyl diphosphate synthase of a carotenoidogenic bacterium has been substituted with other amino acid residue; and
(c) both of the genes (a) and (b) above.
一种突变类
胡萝卜素生成菌,包含以下
基因(a)-(c)中的任何一个:
(a) 编码包含突变
氨基酸序列的蛋白质的
基因,其中类
胡萝卜素生成菌的
1-脱氧-D-木酮糖-5-
磷酸合成酶
氨基酸序列中至少第 225 个
氨基酸残基已被其他
氨基酸残基取代;
(b) 编码蛋白质的
基因,该蛋白质包含突变
氨基酸序列,在该突变
氨基酸序列中,类
胡萝卜素生成细菌的
癸烯酰二
磷酸合成酶的
氨基酸序列中至少第305个
氨基酸残基已被其他
氨基酸残基取代;及
(c) 上述
基因(a)及(b)。