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ÈçÌ⣬лл´ó¼Ò°ïæ ÌâÄ¿£ºdentification of quantitative trait loci underlying the protein, oil and starch contents of maize in multiple environments ×÷ÕߣºHuaduo Zhang , Tiantian Jin , Yaqun Huang , Jingtang Chen, Liying Zhu, Yongfeng Zhao, Jinjie Guo Á´½Ó£ºhttps://link.springer.com/article/10.1007/s10681-015-1419-y doi£º10.1007/s10681-015-1419-y |
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Identification of quantitative trait loci underlying the protein, oil and starch contents of maize in multiple environments ×÷Õß:Zhang, HD (Zhang, Huaduo)[ 1 ] ; Jin, TT (Jin, Tiantian)[ 1 ] ; Huang, YQ (Huang, Yaqun)[ 1 ] ; Chen, JT (Chen, Jingtang)[ 1 ] ; Zhu, LY (Zhu, Liying)[ 1 ] ; Zhao, YF (Zhao, Yongfeng)[ 1 ] ; Guo, JJ (Guo, Jinjie)[ 1 ] EUPHYTICA ¾í: 205 ÆÚ: 1 Ò³: 169-183 DOI: 10.1007/s10681-015-1419-y ³ö°æÄê: SEP 2015 ²é¿´ÆÚ¿¯ÐÅÏ¢ ÕªÒª A dissection of the genetic regulation of protein, oil and starch contents in maize (Zea mays L.) kernels will enhance high-quality breeding. The objective of the present research was to detect the quantitative trait loci (QTL) controlling protein, oil, starch and lysine contents in maize kernels and to dissect their inheritable relationships and basis. A population of 498 recombinant inbred lines derived from a biparental cross of two elite inbred lines were grown in six environments. All individuals were genotyped with 151 pairs of simple sequence repeat markers to construct a genetic linkage map. Using composite interval mapping, we detected total 25, 13, 31 and 15 QTLs for protein, oil, starch and lysine contents, respectively, in six environments. 32 QTLs at bins 2.03-2.04, 2.05-2.07, 5.05-5.07, 6.01-6.04, 8.03-8.05 and 10.03-10.05 were stably expressed across multiple environments. Co-localizations of QTLs for the four traits were found on chromosomes 1, 2, 5, 6, 8, and 10. Part of the co-localized QTLs, the direction of QTL effects coincided with the sign of their phenotypic correlations, which likely indicates the presence of pleiotropic QTL or tight linkage among them. Additionally, seven pairs of QTLs with significant additive x additive epistatic interaction effects were identified based on single-environment QTL analysis. The results obtained from the present investigation may hold great promise for further studies of improving kernel quality in maize. ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê:Maize (Zea mays L.); Protein; Oil; Starch; Lysine; QTL analysis KeyWords Plus:MARKER-QTL ASSOCIATIONS; ILLINOIS HIGH OIL; KERNEL OIL; MOLECULAR MARKERS; MUTANT-GENE; POPULATIONS; CROSS; SELECTION; RICE; LENGTH ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Huang, YQ (ͨѶ×÷Õß) Agr Univ Hebei, Hebei Branch Chinese Natl Maize Improvement Ctr, Baoding 070001, Peoples R China. µØÖ·: [ 1 ] Agr Univ Hebei, Hebei Branch Chinese Natl Maize Improvement Ctr, Baoding 070001, Peoples R China µç×ÓÓʼþµØÖ·:hyqun@hebau.edu.cn »ù½ð×ÊÖúÖÂл »ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ Hebei Province Science and Technology Support Program, China 14226305D-5 12225510D ²é¿´»ù½ð×ÊÖúÐÅÏ¢ ³ö°æÉÌ SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS Àà±ð / ·ÖÀà Ñо¿·½Ïò:Agriculture; Plant Sciences Web of Science Àà±ð:Agronomy; Plant Sciences; Horticulture ÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English Èë²ØºÅ: WOS:000358801000014 ISSN: 0014-2336 eISSN: 1573-5060 ÆÚ¿¯ÐÅÏ¢ Ŀ¼£º Current Contents Connect® Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports® ÆäËûÐÅÏ¢ IDS ºÅ: CN9WK Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 41 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0 |

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