Authors:
B.-L. Hu China National Rice Research Institute, Hangzhou, 310006, Zhejiang, China
Jiangxi Academy of Agricultural Sciences and Nanchang National Sub-center for Rice Improvement, Nanchang 330200, Jiangxi, China

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D.-R. Huang China National Rice Research Institute, Hangzhou, 310006, Zhejiang, China

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Y.-Q. Xiao Jiangxi Academy of Agricultural Sciences and Nanchang National Sub-center for Rice Improvement, Nanchang 330200, Jiangxi, China

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Y.-Y. Fan China National Rice Research Institute, Hangzhou, 310006, Zhejiang, China

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D.-Z. Chen Jiangxi Academy of Agricultural Sciences and Nanchang National Sub-center for Rice Improvement, Nanchang 330200, Jiangxi, China

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J.-Y. Zhuang China National Rice Research Institute, Hangzhou, 310006, Zhejiang, China

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Biofortifying food crops with essential minerals would help to alleviate mineral deficiencies in humans. Detection of quantitative trait loci (QTLs) for mineral nutrient contents in rice was conducted using backcross inbred lines derived from an interspecific cross of Oryza sativa × O. rufipogon. The population was grown in Hangzhou and Lingshui, with the contents of Mg, Zn, Fe, Mn, Cu and Se in brown rice measured in both trials and that in milled rice tested in Hangzhou only. A total of 24 QTLs for mineral element contents were identified, including two for both the brown and milled rice, 17 for brown rice only, and five for milled rice only. All the seven QTLs detected for the mineral contents in milled rice and 13 of the 19 QTLs for the contents in brown rice had the enhancing alleles derived from O. rufipogon. Fifteen QTLs were clustered in seven chromosomal regions, indicating that common genetic-physiological mechanisms were involved for different mineral nutrients and the beneficial alleles could be utilized to improve grain nutritional quality by markerassisted selection.

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  • Yang, M., Zhang, W., Dong, H.X., Zhang, Y.Y., Lv, K., Wang, D.J., Lian, X.M. 2013. OsNRAMP3 is a vascular bundles-specific manganese transporter that is responsible for manganese distribution in rice. PLoS ONE 8:e83990. doi:10.1371/journal.pone.0083990.

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  • Zhang, M., Pinson, S.R.M., Tarpley, L., Huang, X.Y., Lahner, B., Yakubova, E., Baxter, I., Guerinot, M.L., Salt, D.E. 2014. Mapping and validation of quantitative trait loci associated with contents of 16 elements in unmilled rice grain. Theor. Appl. Genet. 127:137165.

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Cereal Research Communications
Language English
Size A4
Year of
Foundation
1973
Volumes
per Year
1
Issues
per Year
4
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0133-3720 (Print)
ISSN 1788-9170 (Online)