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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erp360
|2 doi
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|a pubmed24n0646.xml
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|a (NLM)20022924
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|a DE-627
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|c DE-627
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|a eng
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|a Ishikawa, Satoru
|e verfasserin
|4 aut
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|a A major quantitative trait locus for increasing cadmium-specific concentration in rice grain is located on the short arm of chromosome 7
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 22.04.2010
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|a Date Revised 20.10.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Large phenotypic variations in the cadmium (Cd) concentration of rice grains and shoots have been observed. However, the genetic control of Cd accumulation remains poorly understood. Quantitative trait loci (QTLs) determining the grain Cd concentration of rice grown in a Cd-polluted paddy field were identified. Using a mapping population consisting of 85 backcross inbred lines derived from a cross between the low-Cd-accumulating cultivar Sasanishiki (japonica) and high-Cd-accumulating cultivar Habataki (indica), two QTLs for increasing grain Cd concentration were found on chromosomes 2 and 7. A major-effect QTL, qGCd7 (QTL for grain Cd on chromosome 7), was detected on the short arm of chromosome 7. It accounted for 35.5% of all phenotypic variance in backcross inbred lines. qGCd7 was not genetically related to any QTLs for concentrations of essential trace metals (Cu, Fe, Mn, and Zn) or those for agronomic traits such as heading date, suggesting that this QTL is specific to Cd. Furthermore, the existence of qGCd7 was confirmed using chromosome segment substitution lines (CSSLs) and an F(2) population from a cross between the target CSSL and Sasanishiki grown in a Cd-polluted paddy soil. To our knowledge, qGCd7 is a novel QTL with major effects for increasing grain Cd concentrations
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Trace Elements
|2 NLM
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|a Cadmium
|2 NLM
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|a 00BH33GNGH
|2 NLM
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|a Abe, Tadashi
|e verfasserin
|4 aut
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|a Kuramata, Masato
|e verfasserin
|4 aut
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| 700 |
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|a Yamaguchi, Masayuki
|e verfasserin
|4 aut
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| 700 |
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|a Ando, Tsuyu
|e verfasserin
|4 aut
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| 700 |
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|a Yamamoto, Toshio
|e verfasserin
|4 aut
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| 700 |
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|a Yano, Masahiro
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 61(2010), 3 vom: 18. März, Seite 923-34
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:61
|g year:2010
|g number:3
|g day:18
|g month:03
|g pages:923-34
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|u http://dx.doi.org/10.1093/jxb/erp360
|3 Volltext
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