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学科主题: 物理化学
题名: Profiling and Association Mapping of Grain Metabolites in a Subset of the Core Collection of Chinese Rice Germ plasm (Oryza sativa L.)
作者: Lou, Qiaojun1;  Ma, Chenfei2;  Wen, Weiwei1;  Zhou, Jia2;  Chen, Liang1;  Feng, Fangjun1;  Xu, Xiaoyan1;  Lu, Xin2;  Luo, Lijun1;  Mei, Hanwei1;  Xu, Guowang2
通讯作者: MeiHanwei ;  许国旺
关键词: Metabolites ;  Oryza sativa L. ;  GC-MS ;  association mapping
刊名: JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
发表日期: 2011-09-14
DOI: 10.1021/jf201602g
卷: 59, 期:17, 页:9257-9264
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1808
产权排名: 2,2
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Agriculture, Multidisciplinary ;  Chemistry, Applied ;  Food Science & Technology
摘要: Profiling and Association Mapping of Grain Metabolites in a Subset of the Core Collection of Chinese Rice Germ plasm (Oryza sativa L.)
研究领域[WOS]: Agriculture ;  Chemistry ;  Food Science & Technology
英文摘要: In this study, metabolic profiles of a set of 48 rice germplasms from the Chinese core collection were obtained by gas chromatography and time-of-flight mass spectrometry (GC-TOF-MS). Forty-one Metabolites were identified and relatively quantified according to the internal standard (IS). Wide ranges of variations for all metabolites were observed among rice accessions. The maximum/minimum ratios varied from 4.73 to 211.36. The metabolite were. categorized into Seven groups based on their chemical characteristics. Clustering analysis and a correlation network showed that most of the Metabolites had variations among rice accessions in the same direction. Using 218 molecular markers,. association mapping was conducted to identify the chromosomal loci influencing the concentrations of identified metabolites. Twenty Markers Were identified associating with the concentrations of 29 metabolites [-Ig(P) > 3]. Allelic effects were investigated in detail in two markers (RM315 and RM541) as examples.
关键词[WOS]: SPATIAL GENETIC-STRUCTURE ;  FLIGHT MASS-SPECTROMETRY ;  GAS-CHROMATOGRAPHY ;  LINKAGE DISEQUILIBRIUM ;  MAIZE GRAIN ;  LOW-PHYTATE ;  POPULATION ;  TIME ;  METABOLOMICS ;  PERFORMANCE
语种: 英语
WOS记录号: WOS:000294585100028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115682
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Shanghai Agrobiol Gene Ctr, Shanghai 201106, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, CAS Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China

Recommended Citation:
Lou, Qiaojun,Ma, Chenfei,Wen, Weiwei,et al. Profiling and Association Mapping of Grain Metabolites in a Subset of the Core Collection of Chinese Rice Germ plasm (Oryza sativa L.)[J]. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,2011,59(17):9257-9264.
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