期刊
3 BIOTECH
卷 7, 期 -, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13205-017-0687-8
关键词
Mapping; Amylose; Protein; Moisture; Rice
资金
- Next-Generation BioGreen21 Program [PJ011257012017]
- Rural Development Administration, Republic of Korea
- Kyungpook National University Research Fund
- Rural Development Administration (RDA), Republic of Korea [PJ011257012017] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
In this study, we determined using NIRS the heritability percentage of amylose, protein, and moisture content in polished and unpolished rice in a CNDH population derived from a cross between Cheongcheong and Nagdong rice varieties. The results revealed a higher heritability percentage for the amylose content and compromised heritability for protein and moisture contents. We also conducted QTL analysis of rice for these major components and identified their chromosomal locations on a physical map. We found a total of four QTLs affecting the amylose, protein, and moisture contents of grain on chromosome 7. We constructed physical maps of seven DNA markers responsible for amylose content, six responsible for protein content, and three responsible for moisture content. Furthermore, we classified these genes according to their functions and found 17 genes (over 77%) to be involved in secondary metabolite synthesis, two genes (about 9%), each related to cell function and abiotic stress, and one gene (about 5%) involved in redox signaling.
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