Fine mapping and candidate gene analysis of hwh1 and hwh2, a set of complementary genes controlling hybrid breakdown in rice
文献类型: 外文期刊
作者: Jiang, Wenzhu 1 ; Chu, Sang-Ho 1 ; Piao, Rihua 1 ; Chin, Joong-Hyoun 3 ; Jin, Yong-Mei 4 ; Lee, Joohyun 1 ; Qiao, Yong 1 ;
作者机构: 1.Seoul Natl Univ, Dept Plant Sci, Seoul 151921, South Korea
2.Seoul Natl Univ, Res Inst Agr & Life Sci, Seoul 151921, South Korea
3.Int Rice Res Inst, Manila 1099, Philippines
4.Seoul Natl Univ, Sch Agr Biotechnol, Seoul 151921, South Korea
5.Seoul Natl Univ, Ctr Agr Biomat, Seoul 151921, South Korea
6.Chinese Acad Agr Sci, Crop Sci Res Inst, Beijing 100081, Peoples R China
7.Shangha
关键词: rice;hybrid breakdown;fine mapping;complementary gene interaction;ORYZA-SATIVA L.;GMC OXIDOREDUCTASES;RECESSIVE GENES;DROSOPHILA;STERILITY;PLANTS;CROSS;INCOMPATIBILITY;IDENTIFICATION;POPULATIONS
期刊名称:THEORETICAL AND APPLIED GENETICS ( 影响因子:5.699; 五年影响因子:5.565 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Hybrid breakdown (HB), a phenomenon of reduced viability or fertility accompanied with retarded growth in hybrid progenies, often arises in the offspring of intersubspecific hybrids between indica and japonica in rice. We detected HB plants in F-8 recombinant inbred lines derived from the cross between an indica variety, Milyang 23, and a japonica variety, Tong 88-7. HB plants showed retarded growth, with fewer tillers and spikelets. Genetic analysis revealed that HB was controlled by the complementary action of two recessive genes, hwh1 and hwh2, originating from each of both parents, which were fine-mapped on the short arm of chromosome 2 and on the near centromere region of the long arm of chromosome 11, respectively. A comparison of the sequences of candidate genes among both parents and HB plants revealed that hwh1 encoded a putative glucose-methanol-choline oxidoreductase with one amino acid change compared to Hwh1 and that hwh2 probably encoded a putative hexose transporter with a six amino acid insertion compared to Hwh2. Investigation of the distribution of these alleles among 54 japonica and indica cultivars using candidate gene-based markers suggested that the two loci might be involved in developing reproductive barriers between two subspecies.
- 相关文献
作者其他论文 更多>>
-
Evaluating Genotype x Environment Interactions of Yield Traits and Adaptability in Rice Cultivars Grown under Temperate, Subtropical and Tropical Environments
作者:Huang, Xing;Jang, Su;Kim, Backki;Koh, Hee-Jong;Piao, Zhongze;Redona, Edilberto
关键词:rice yield; genotype by environment interaction (GEI); genotype evaluation; multiple environmental trials
-
Fine mapping and candidate gene analysis of the floury endosperm gene, FLO(a), in rice
作者:Qiao, Yongli;Lee, Song-I;Piao, Rihua;Jiang, Wenzhu;Ham, Tae-Ho;Koh, Hee-Jong;Qiao, Yongli;Lee, Song-I;Piao, Rihua;Jiang, Wenzhu;Ham, Tae-Ho;Koh, Hee-Jong;Chin, Joong-Hyoun;Piao, Zhongze;Han, Longzhi;Kang, Si-Yong
关键词:floury endosperm;mapping;rice;starch;tetratricopeptide repeat domain-containing protein
-
Identification of QTLs associated with physiological nitrogen use efficiency in rice
作者:Cho, Young-Il;Jiang, Wenzhu;Chin, Joong-Hyoun;Piao, Zhongze;Cho, Yong-Gu;McCouch, Susan R.;Koh, Hee-Jong
关键词:epistasis;physiological nitrogen use efficiency;QTL;rice
-
OsNAC2 integrates auxin and cytokinin pathways to modulate rice root development
作者:Mao, Chanjuan;Liu, Lina;Qiao, Yongli;Ming, Feng;Mao, Chanjuan;Ming, Feng;He, Jianmei;Deng, Qiming;Yao, Xuefeng;Liu, Chunming;Li, Peng
关键词:rice; root development; OsNAC2; auxin; cytokinin