文献类型： 外文期刊

作者： Ishikawa, R ¹ ; Sato, YI ² ; Tang, T ³ ; Nakamura, I ⁴ ;

作者机构： 1.Hirosaki Univ, Lab Plant Breeding & Genet, Hirosaki, Aomori 0368561, Japan

2.Shizuoka Univ, Div Bioresources Sci, Shizuoka 4228529, Japan

3.Jiangsu Acad Agr Sci, Nanjing 210014, Peoples R China

4.Chiba Univ, Grad Sch Sci & Technol, Dept Hort, Lab Plant Cell Technol, Matudo 2710092, Japan

关键词： nuclear genotype;non-coding cp DNA;upland rice;Oryza sativa L.

期刊名称：THEORETICAL AND APPLIED GENETICS （ 影响因子：5.699； 五年影响因子：5.565 ）

ISSN： 0040-5752

年卷期： 2002 年 104 卷 6-7 期

页码：

收录情况： SCI

摘要： Plastid subtype ID (PS-ID) sequences were determined from sequence data based on CA repeats between genes rpl16 and rpl14 in Japanese lowland and upland cultivars. The PS-ID sequences of Japanese rice cultivars showed that there are different maternal origins between lowland and upland cultivars. One subtype, 6C7A, of PS-ID sequences was predominant in all but one Japanese lowland cultivar and carried a combination of the indica-specific subtype 8C8A and japonica-specific nuclear markers for the isozyme genotype. It is probably a nuclear-cytoplasmic recombinant resulting from natural out-crossing and succeeding self-pollination. The origin of the plastid was re-confirmed by the existence of an indica-specific deletion in the plastid genome. In contrast, the Japanese upland cultivars showed two subtypes, 7C6A and 6C7A, of PS-ID sequences. An upland-specific isozyme allele as a nuclear marker was equally predominant in cultivars carrying each subtype. The existence of these particular upland-specific nuclear and cytoplasmic genotypes suggests that the origin of Japanese upland cultivars is different from that of Japanese lowland cultivars. Cultivars carrying the upland-specific nuclear genotype are common in Southeast Asia, but the combination of the upland-specific nuclear and cytoplasmic genotypes which is the same as the Japanese upland predominant type was found in cultivars only in Taiwan and Indonesia. Japanese upland cultivars are closely related to those cultivars.