不同生态环境下水稻穗部性状QTL鉴定
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摘要
【目的】发掘与产量相关的穗粒性状QTL对进一步克隆和利用高产基因具有重要意义。【方法】以超级粳稻龙稻5号和典型高产籼稻中优早8号杂交衍生的重组自交系群体为试材,在4种环境下对穗部性状进行比较和QTL分析。【结果】共检测到63个穗部性状QTL,分布于除第9染色体外的11条染色体上。在4个环境下分别检测到27、27、18和35个QTL。其中,16个QTL能在2个环境下被检测到,12个在3个以上环境下稳定表达,分别占QTL总数的25.40%和19.05%;第1、3、4和5染色体的多效QTL簇能在不同环境下稳定表达,对穗部性状具有明显的调控作用。【结论】第3染色体STS3.3-STS3.6区间的qSNP3、第4染色体RM5688-RM1359区间的qSNP4.1是2个新的稳定表达的多效性QTL簇。此外,上位性效应是调控穗部性状的重要组分。
【Objective】It is important to explore new panicle and grain traits QTL related to yield for further cloning and utilization of high yield genes. 【Method】A recombinant inbred line(RIL) population derived from the cross between Longdao 5(super high-yielding japonica) and Zhongyouzao 8(typical indica) was used to identify QTL for panicle traits in multiple environments.【Result】Sixty-three QTLs were detected on chromosomes 1, 2, 3, 4, 5, 6, 7, 8, 10 and 12.Among them, 27, 27, 18 and 35 QTLs were detected in four ecological environments, respectively. Among these QTLs,16 QTLs were detected in two environments, 12 QTLs were detected in more than three environments, namely 25.40%and 19.05% were stably and reliably detected across multi-environments. The QTLs with pleiotropic genetic overlap effect clustered on chromosomes 1, 3, 4 and 5 were detected in multi-environments, indicating they have significant effects on panicle traits. 【Conclusion】 qSNP3(STS3.3-STS3.6) on chromosome 3 and qSNP4.1(RM5688-RM1359)on chromosome 4 may be two novel pleiotropic QTL clusters controlling panicle traits. In addition, epistatic effect plays an important role in the regulation of panicle traits.
【Objective】It is important to explore new panicle and grain traits QTL related to yield for further cloning and utilization of high yield genes. 【Method】A recombinant inbred line(RIL) population derived from the cross between Longdao 5(super high-yielding japonica) and Zhongyouzao 8(typical indica) was used to identify QTL for panicle traits in multiple environments.【Result】Sixty-three QTLs were detected on chromosomes 1, 2, 3, 4, 5, 6, 7, 8, 10 and 12.Among them, 27, 27, 18 and 35 QTLs were detected in four ecological environments, respectively. Among these QTLs,16 QTLs were detected in two environments, 12 QTLs were detected in more than three environments, namely 25.40%and 19.05% were stably and reliably detected across multi-environments. The QTLs with pleiotropic genetic overlap effect clustered on chromosomes 1, 3, 4 and 5 were detected in multi-environments, indicating they have significant effects on panicle traits. 【Conclusion】 qSNP3(STS3.3-STS3.6) on chromosome 3 and qSNP4.1(RM5688-RM1359)on chromosome 4 may be two novel pleiotropic QTL clusters controlling panicle traits. In addition, epistatic effect plays an important role in the regulation of panicle traits.
引文
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[2]方福平,程式华.论中国水稻生产能力.中国水稻科学,2009,23(6):539-566.Fang F P,Cheng S H.Rice production capacity in China.Chin J Rice Sci,2009,23(6):539-566.(in Chinese with English abstract)
[3]程式华,曹立勇,庄杰云,吴伟明.关于超级稻品种培育的资源和基因利用问题.中国水稻科学,2009,23(3):223-228.Cheng S H,Cao L Y,Zhuang J Y,Wu W M.Discussion on germplasm and gene utilization in breeding of super rice.Chin J Rice Sci,2009,23(3):223-228.(in Chinese with English abstract)
[4]樊叶杨,王凯,庄杰云,程式华.水稻产量性状QTL的克隆研究及育种应用进展.中国稻米,2010,16(6):1-5.Fan Y Y,Wang K,Zhuang J Y,Cheng S H.Progress on cloning and utilization of QTL for yield traits in rice.China Rice,2010,16(6):1-5.(in Chinese)
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[6]Bai X F,Wu B,Xing Y Z.Yield-related QTLs and their applications in rice genetic improvement.J Integr Plant Biol,2012,54(5):300-311.
[7]Rao Y C,Li Y Y,Qian Q.Recent progress on molecular breeding of rice in China.Plant Cell Rep,2014,33(4):551-564.
[8]Miura K,Ashikari M,Matsuoka M.The role of QTLs in the breeding of high-yielding rice.Trends Plant Sci,2011,16(6):319-326.
[9]Guo L B,Ye G Y.Use of major quantitative trait loci to improve grain yield of rice.Rice Sci,2014,21(2):65-82.
[10]姜树坤,王嘉宇,姜辉,洛育,孙世臣,张喜娟,白良明,陈温福,张凤鸣,徐正进.粳稻穗部结构性状的QTL分析.植物生理学报,2013,49(12):1347-1354Jiang S K,Wang J Y,Jiang H,Luo Y,Sun S C,Zhang X J,Bai L M,Chen W F,Zhang F M,Xu Z J.Dissection of QTLs for panicle structure traits in rice(Oryza sativa L.spp.japonica).Plant Physiol J,2013,49(12):1347-1354.(in Chinese with English abstract)
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[12]吴亚辉,陶星星,肖武名,郭涛,刘永柱,王慧,陈志强.水稻穗部性状的QTL分析.作物学报,2014,40(2):214-221.Wu Y H,Tao X X,Xiao W M,Guo T,Liu Y Z,Wang H,Chen Z Q.Dissection of QTLs for panicle traits in rice(Oryza sativa).Acta Agron Sin,2014,40(2):214-221.(in Chinese with English abstract)
[13]姚晓云,李清,刘进,姜树坤,杨生龙,王嘉宇,徐正进.不同环境下水稻株高和穗长的QTL分析.中国农业科学,2015,48(3):407-414.Yao X Y,Li Q,Liu J,Jiang S K,Yang S L,Wang J Y,Xu Z J.Dissection of QTLs for plant height and panicle length traits in rice under different environment.Sci Agric Sin,2015,48(3):407-414.(in Chinese with English abstract)
[14]王小菁,萧浪涛,董爱武,王台,钱前,漆小泉,陈凡,左建儒,杨淑华,顾红雅,陈之端,姜里文,白永飞,孔宏智,种康.2016年中国植物科学若干领域重要研究进展.植物学报,2017,52(4):394-452.Wang X J,Xiao L T,Dong A W,Wang T,Qian Q,Qi XQ,Chen F,Zuo J R,Yang S H,Gu H Y,Chen Z D,Jiang L W,Bai Y F,Kong H Z,Chong K.Research advances in plant science in china in 2016.Chin Bull Bot,2017,52(4):394-452.(in Chinese with English abstract)
[15]Wang J K,Li H H,Zhang L Y.QTL ICI Mapping V4.0[2014].http://www.isbreeding.net.
[16]McCouch S R.Gene nomenclature system for rice.Rice,2008,1:72-84.
[17]Bai X F,Luo L J,Yan W H,Mallikarjuna R K,Xing Y Z.Quantitative trait loci for rice yield-related traits using recombinant inbred lines derived from two diverse cultivars.J Genet,2011,90(2):209-215.
[18]Zhu J Y,Zhou Y,Liu Y H,Wang Z D,Tang Z X,Yi C D,Tang S Z,Gu M H,Liang G H.Fine mapping of a major QTL controlling panicle number in rice.Mol Breeding,2011,27(2):171-180.
[19]冯跃,翟荣荣,林泽川,曹立勇,魏兴华,程式华.不同供氮水平下水稻产量性状的QTL分析.中国水稻科学,2013,27(6):577-584.Feng Y,Zhai R R,Lin Z C,Cao L Y,Wei X H,Cheng SH.QTL analysis for yield traits in rice under two nitrogen levels.Chin J Rice Sci,2013,27(6):577-584.(in Chinese with English abstract)
[20]赵建国,蒋开锋,杨莉,杨乾华,万先齐,曹应江,游书梅,罗婧,张涛,郑家奎.水稻产量相关性状QTL定位.中国水稻科学,2013,27(4):344-352.Zhao J G,Jiang K F,Yang L,Yang Q H,Wan X Q,Cao YJ,You S M,Luo J,Zhang T,Zheng J K.QTL mapping for yield related components in a RIL population of rice.Chin J Rice Sci,2013,27(4):344-352.(in Chinese with English abstract)
[21]任春元,范淑秀,刘进,朱琳,杨绮文,刘丹,马殿荣,王嘉宇.不同年份水稻抽穗期和穗部性状QTL分析.沈阳农业大学学报,2017,48(1):78-83.Ren C Y,Fan S X,Liu J,Zhu L,Yang Q W,Liu D,Ma DR,Wang J Y.QTL analysis for heading stage and panicle traits at different years in rice.J Shenyang Agric Univ,2017,48(1):78-83.(in Chinese with English abstract)
[22]Guo L B,Ye G Y.Use of major quantitative trait loci to improve grain yield of rice.Rice Sci,2014,21(2):65-82.
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