Qtl Mapping In Three Connected P.opulations Reveals A Set O f Consensus Genomic Regions For Low Temperature Germination Ability In Zea Mays L.
文献类型: 外文期刊
作者: Li, XH; Wang, GH; Fu, JJ; Li, L; Jia, GY; Ren, LS; Lubberstedt, T; Wang, GY; Wang, JH; Gu, RL
作者机构:
关键词: low temperature; seed vigor; germination; QTL mapping; maize
期刊名称: FRONTIERS IN PLANT SCIENCE
ISSN: 1664-462X
年卷期: 2018 年 9 卷
页码:
收录情况: JCR(2021版)
摘要: Improving seed vigor in response to cold stress is an important breeding objective in maize that allows early sowing. Using two cold tolerant inbred lines 220 and P9-10 and two susceptible lines Y1518 and PH4CV, three connected F-2:3 populations were generated for detecting quantitative trait locus (QTL) related to seed low-temperature germination ability. At 10 degrees C, two germination traits (emergence rate and germination index) were collected from a sand bed and three seedling traits (seedling root length, shoot length, and total length) were extracted from paper rolls. Significant correlations were found among all traits in all populations. Via single-population analysis, 43 QTL were detected with explained phenotypic variance of 0.62% similar to 39.44%. Seventeen QTL explained more than 10% phenotypic variance; of them sixteen (94.12%) inherited favorable alleles from the tolerant lines. After constructing a consensus map, three met-aQTL (mQTL) were identified to include at least two initial QTL from different populations. mQTL1-1 included seven initial QTL for both germination and seedling traits; with three explaining more than 30% phenotypic variance. mQTL2-1 and mQTL9-1 covered two to three initial QTL. The favorable alleles of the QTL within these three mQTL regions were all inherited from the tolerant line 220 and P9-10. These results provided a basis for cloning of genes underlying the mQTL regions to uncover the molecular mechanisms of maize cold tolerance during germination.
分类号:
- 相关文献
作者其他论文 更多>>
-
Post Dioxin Period For Feed: Cocktail Effects Of Emerging Pops And Analogues
作者:Li, XM; Zhang, QH; Wang, P; Fu, JJ; Jiang, GB
关键词:
-
Development Of Chimeric Peptides To Facilitate The Neutralisation Of Lipopolysaccharides During Bactericidal Targeting Of Multidrug-Resistant Escherichia Coli
作者:Wang, ZL; Liu, XH; Teng, D; Mao, RY; Hao, Y; Yang, N; Wang, X; Li, ZZ; Wang, XM; Wang, JH
关键词:
-
Resequencing Of 683 Common Bean Genotypes Identifies Yield Component Trait Associations Across A North-South Cline
作者:Wu, J; Wang, LF; Fu, JJ; Chen, JB; Wei, SH; Zhang, SL; Zhang, J; Tang, YS; Chen, ML; Zhu, JF; Lei, L; Geng, QH; Liu, CL; Wu, L; Li, XM; Wang, XL; Wang, Q; Wang, ZL; Xing, SL; Zhang, HK; Blair, MW; Wang, SM
关键词:
-
A New High-Yielding Antimicrobial Peptide Nzx And Its Antibacterial Activity Against Staphylococcus Hyicus In Vitro/Vivo
作者:Liu, H; Yang, N; Mao, RY; Teng, D; Hao, Y; Wang, XM; Wang, JH
关键词:Nzx; Pichia Pastoris; Expression; S; Hyicus; Efficacy In Vivo
-
Interaction Between Wheat Gliadin And Quercetin Under Different Ph Conditions Analyzed By Multi-Spectroscopy Methods
作者:Wang, QM; Tang, YW; Yang, YX; Zhao, JC; Zhang, YH; Li, L; Wang, Q; Ming, J
关键词:Wheat Gliadin; Quercetin; Interaction; Multi-Spectroscopy
-
Biodegradation Of Endocrine Disruptor Bisphenol A By Pseudomonas Putida Strain Yc-Ae1 Isolated From Polluted Soil, Guangdong, China
作者:Eltoukhy, A; Jia, Y; Nahurira, R; Abo-Kadoum, MA; Khokhar, I; Wang, JH; Yan, YC
关键词:Bisphenol A; Biodegradation; Pseudomonas Putida; Endocrine Disruptor; Degradation Pathway; Response Surface Methodology
-
Single-Cell Rna Sequencing Analysis Reveals Alginate Oligosaccharides Preventing Chemotherapy-Induced Mucositis
作者:Zhao, Y; Feng, YN; Liu, M; Chen, L; Meng, QS; Tang, XF; Wang, SK; Liu, L; Li, L; Shen, W; Zhang, HF
关键词: