PHYSICAL AND GENE ORGANIZATION OF MITOCHONDRIAL-DNA FROM THE FERTILE CYTOPLASM OF SUGAR-BEET (BETA-VULGARIS L)

被引：22

作者：

KUBO, T

TAKATO, YS

KINOSHITA, T

MIKAMI, T

机构：

[1] HOKKAIDO UNIV, FAC AGR, GENET ENGN LAB, SAPPORO, HOKKAIDO 060, JAPAN

[2] HOKKAIDO NATL AGR EXPT STN, DEPT CROP BREEDING, SAPPORO, HOKKAIDO 062, JAPAN

[3] HOKKAIDO UNIV, FAC AGR, INST PLANT BREEDING, SAPPORO, HOKKAIDO 060, JAPAN

来源：

CURRENT GENETICS | 1995年 / 28卷 / 03期

关键词：

MITOCHONDRIAL GENOME; PHYSICAL MAP; REPEATED SEQUENCES; SUGAR-BEET;

D O I：

10.1007/BF00309782

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

We have constructed a complete physical map of the mitochondrial genome from the male-fertile cytoplasm of sugarbeet. The entire sequence complexity can be represented on a single circular master chromosome of 358 kb. This master chromosome contains three copies of one recombinationally active repeat sequence, with two copies in direct orientation and the other in inverted orientation. The positions of the rRNA genes and of 23 polypeptide genes, determined by filter hybridization, are scattered throughout the genome, with triplicate rrn26 genes located partially or entirely within the recombination-repeat elements. Three ribosomal-protein genes (rps1A, rps14 and rps19) were found to be absent from sugarbeet mtDNA. Our results also reveal that at least six regions homologous with cpDNA are dispersed in the mitochondrial genome.

引用

页码：235 / 241

页数：7

共 51 条

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