Detection and characterization of epistasis between QTLs on plant height in rice using single segment substitution lines.
Detection and characterization of epistasis between QTLs on plant height in rice using single segment substitution lines.
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使用单片段替换系检测和表征水稻株高 QTL 之间的上位性
DOI：
10.1270/jsbbs.65.192
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发表时间：
2015-06
期刊：
影响因子：
2.4
通讯作者：
Liu G
中科院分区：
文献类型：
--
作者：
Zhu H;Liu Z;Fu X;Dai Z;Wang S;Zhang G;Zeng R;Liu G
以水稻花粳74号及其12个单段代换系（SSSLs）为杂交亲本，构建了半双列杂交群体。在3种种植密度下共种植91种材料。通过分析各环境下的平均株高（PH），检测到10种sssl具有显著的添加剂，6种sssl具有显著的优势。结果表明，部分单位点效应对密度敏感，16.7 cm × 16.7 cm可能抑制了这些PH qtl的表达。对4个参与基因型的定性和定量分析表明，这些qtl之间普遍存在遗传互作。在66个相互作用中，42.4%为上位性（P < 5%）。虽然一些qtl不具有单位点效应，但它们可能形成基因相互作用。一个重要的发现是，检测到的上位机大多是阴性的。此外，这些上位酶对种植密度也很敏感，在10 cm × 16.7 cm的密度下，可能促进了PH qtl间上位酶互作的表达。
Hua-jing-xian 74 and its 12 single segment substitution lines (SSSLs) in rice were used as crossing parents to construct a half diallel crossing population. A total number of 91 materials were grown under three planting densities. By analysis of average plant height (PH) over all environments 10 SSSLs were detected with significant additives and 6 SSSLs with significant dominances. These SSSLs were further tested under different densities respectively, indicating that some of single locus effects were sensitive to densities and the conditions under the density of 16.7 cm × 16.7 cm maybe inhibited the expressing of these PH QTLs. Qualitative and quantitative analyses of each four participating genotypes indicated that digenic interactions among these QTLs were prevalent. Of 66 tested interactions, about 42.4% were epistatic (P < 5%). Although some QTLs hadn’t single locus effects, they were possible to form digenic interactions. A significant finding was that the detected epistases were mostly negative. Additionally, these epistases were also found being sensitive to planting densities, the conditions under the density of 10 cm × 16.7 cm perhaps promoted the expressing of epistatic interactions among PH QTLs.
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影响因子：
5.4
作者：
Li, ZK;Yu, SB;Khush, GS
通讯作者：
Khush, GS
DOI：
10.1073/pnas.0604635103
发表时间：
2006-08-29
影响因子：
11.1
作者：
Semel, Yaniv;Nissenbaum, Jonathan;Zamir, Dani
通讯作者：
Zamir, Dani
影响因子：
5.4
作者：
Liu, Guifu;Zhu, Haitao;Ye, Guoyou
通讯作者：
Ye, Guoyou
影响因子：
3.3
作者：
Keurentjes, Joost J. B.;Bentsink, Leonie;Koornneef, Maarten
通讯作者：
Koornneef, Maarten
水稻分蘖数发育行为的无条件和条件QTL定位（Oryza sativa L.）
影响因子：
1.5
作者：
Liu, Guifu;Zhu, Haitao;Zhang, Guiquan
通讯作者：
Zhang, Guiquan