Fine Mapping of qDor7, a Major QTL Affecting Seed Dormancy in Sorghum (Sorghum bicolor (L.) Moench)

被引：5

作者：

Li, Pan ^{[1
,2
]}

Mace, Emma S. ^{[3
]}

Guo, Yan ^{[1
,2
]}

Han, Lijie ^{[1
,2
]}

Wang, Mumu ^{[1
,2
]}

He, Yanfang ^{[1
,2
]}

Chen, Jun ^{[1
,2
]}

Yuyama, Nana ^{[4
]}

Jordan, David R. ^{[5
]}

Cai, Hongwei ^{[1
,2
,4
]}

机构：

[1] China Agr Univ, Dept Plant Genet Breeding & Seed Sci, Coll Agron & Biotechnol, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China

[2] Minist Agr, Beijing Key Lab Crop Genet Improvement & Genome, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China

[3] DAF, Warwick, Qld 4370, Australia

[4] Japan Grassland Agr & Forage Seed Assoc, Forage Crop Res Inst, 388-5 Higashiakada, Nasushiobara, Tochigi 3292742, Japan

[5] Univ Queensland, Queensland Alliance Agr & Food Innovat, Warwick, Qld 4370, Australia

来源：

TROPICAL PLANT BIOLOGY | 2016年 / 9卷 / 02期

关键词：

Sorghum; Seed dormancy; QTL; Fine mapping; Candidate gene; NATURAL ALLELIC VARIATION; QUANTITATIVE TRAIT LOCI; ABSCISIC-ACID; GENETIC-ANALYSIS; GERMINATION; RICE; DOMESTICATION; ASSOCIATION; RESISTANCE; DISSECTION;

D O I：

10.1007/s12042-016-9169-0

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Seed dormancy is a key domestication trait for major crops, which is acquired in long-term systems development processes and enables the survival of plants in adverse natural conditions. It is a complex trait under polygenic control and is affected by endogenous and environmental factors. In the present study, a major seed dormancy QTL in sorghum (Sorghum bicolor (L.) Moench), qDor7, detected previously, was fine mapped using a large, multi-generational population. The qDor7 locus was delimited to a 96-kb region which contains 16 predicted gene models. These results lay a solid foundation for cloning qDor7. In addition, the functional markers tightly linked to the seed dormancy QTL may be used in marker-assisted selection for seed dormancy in sorghum.

引用

页码：109 / 116

页数：8

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