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Article

Yield-Related QTL Clusters and the Potential Candidate Genes in Two Wheat DH Populations

by
Jingjuan Zhang
1,
Maoyun She
1,
Rongchang Yang
1,
Yanjie Jiang
1,
Yebo Qin
1,
Shengnan Zhai
1,
Sadegh Balotf
1,
Yun Zhao
1,
Masood Anwar
1,
Zaid Alhabbar
1,2,
Angéla Juhász
1,
Jiansheng Chen
1,
Hang Liu
1,
Qier Liu
1,
Ting Zheng
1,
Fan Yang
1,
Junkang Rong
3,
Kefei Chen
4,
Meiqin Lu
5,
Shahidul Islam
1 and
Wujun Ma
1,*add Show full author list remove Hide full author list
1
Australian-China Joint Centre for Wheat Improvement, Agricultural Sciences, College of Science, Health, Engineering and Education, Murdoch University, South Street, 90, Murdoch, WA 6150, Australia
2
Department of Field Crops, College of Agriculture and Forestry, Mosul University, Mosul 41002, Iraq
3
College of Agriculture and Food, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China
4
SAGI West, Faculty of Science and Engineering, Curtin University, Bentley, WA 6102, Australia
5
Australian Grain Technologies, Newell Highway, 12656, Locked Bag 1100, Narrabri, NSW 2390, Australia
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2021, 22(21), 11934; https://doi.org/10.3390/ijms222111934
Submission received: 13 September 2021 / Revised: 21 October 2021 / Accepted: 28 October 2021 / Published: 3 November 2021
(This article belongs to the Special Issue Wheat Breeding through Genetic and Physical Mapping 2.0)
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Abstract

In the present study, four large-scale field trials using two doubled haploid wheat populations were conducted in different environments for two years. Grain protein content (GPC) and 21 other yield-related traits were investigated. A total of 227 QTL were mapped on 18 chromosomes, which formed 35 QTL clusters. The potential candidate genes underlying the QTL clusters were suggested. Furthermore, adding to the significant correlations between yield and its related traits, correlation variations were clearly shown within the QTL clusters. The QTL clusters with consistently positive correlations were suggested to be directly utilized in wheat breeding, including 1B.2, 2A.2, 2B (4.9–16.5 Mb), 2B.3, 3B (68.9–214.5 Mb), 4A.2, 4B.2, 4D, 5A.1, 5A.2, 5B.1, and 5D. The QTL clusters with negative alignments between traits may also have potential value for yield or GPC improvement in specific environments, including 1A.1, 2B.1, 1B.3, 5A.3, 5B.2 (612.1–613.6 Mb), 7A.1, 7A.2, 7B.1, and 7B.2. One GPC QTL (5B.2: 671.3–672.9 Mb) contributed by cultivar Spitfire was positively associated with nitrogen use efficiency or grain protein yield and is highly recommended for breeding use. Another GPC QTL without negatively pleiotropic effects on 2A (50.0–56.3 Mb), 2D, 4D, and 6B is suggested for quality wheat breeding.
Keywords: consensus map; correlation; DH populations; grain yield-related traits; QTL; QTL cluster consensus map; correlation; DH populations; grain yield-related traits; QTL; QTL cluster

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MDPI and ACS Style

Zhang, J.; She, M.; Yang, R.; Jiang, Y.; Qin, Y.; Zhai, S.; Balotf, S.; Zhao, Y.; Anwar, M.; Alhabbar, Z.; et al. Yield-Related QTL Clusters and the Potential Candidate Genes in Two Wheat DH Populations. Int. J. Mol. Sci. 2021, 22, 11934. https://doi.org/10.3390/ijms222111934

AMA Style

Zhang J, She M, Yang R, Jiang Y, Qin Y, Zhai S, Balotf S, Zhao Y, Anwar M, Alhabbar Z, et al. Yield-Related QTL Clusters and the Potential Candidate Genes in Two Wheat DH Populations. International Journal of Molecular Sciences. 2021; 22(21):11934. https://doi.org/10.3390/ijms222111934

Chicago/Turabian Style

Zhang, Jingjuan, Maoyun She, Rongchang Yang, Yanjie Jiang, Yebo Qin, Shengnan Zhai, Sadegh Balotf, Yun Zhao, Masood Anwar, Zaid Alhabbar, and et al. 2021. "Yield-Related QTL Clusters and the Potential Candidate Genes in Two Wheat DH Populations" International Journal of Molecular Sciences 22, no. 21: 11934. https://doi.org/10.3390/ijms222111934

APA Style

Zhang, J., She, M., Yang, R., Jiang, Y., Qin, Y., Zhai, S., Balotf, S., Zhao, Y., Anwar, M., Alhabbar, Z., Juhász, A., Chen, J., Liu, H., Liu, Q., Zheng, T., Yang, F., Rong, J., Chen, K., Lu, M., ... Ma, W. (2021). Yield-Related QTL Clusters and the Potential Candidate Genes in Two Wheat DH Populations. International Journal of Molecular Sciences, 22(21), 11934. https://doi.org/10.3390/ijms222111934

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