Dissection of complex traits of tomato in the post-genome era.
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| Title: | Dissection of complex traits of tomato in the post-genome era. |
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| Authors: | Sun, Shuai1,2 (AUTHOR), Wang, Xiaotian1,2 (AUTHOR), Wang, Ketao1,2 (AUTHOR), Cui, Xia1,2 (AUTHOR) cuixia@caas.cn |
| Source: | Theoretical & Applied Genetics. May2020, Vol. 133 Issue 5, p1763-1776. 14p. |
| Subjects: | Plant mutation, Tomatoes, Molecular cloning, Tomato breeding, Nanotechnology, Gene expression profiling |
| Abstract: | Key message: We present the main advances of dissection of complex traits in tomato by omics, the genes identified to control complex traits and the application of CRISPR/Cas9 in tomato breeding. Complex traits are believed to be under the control of multiple genes, each with different effects and interaction with environmental factors. Advance development of sequencing and molecular technologies has enabled the recognition of the genomic structure of most organisms and the identification of a nearly limitless number of markers that have made it to accelerate the speed of QTL identification and gene cloning. Meanwhile, multiomics have been used to identify the genetic variations among different tomato species, determine the expression profiles of genes in different tissues and at distinct developmental stages, and detect metabolites in different pathways and processes. The combination of these data facilitates to reveal mechanism underlying complex traits. Moreover, mutants generated by mutagens and genome editing provide relatively rich genetic variation for deciphering the complex traits and exploiting them in tomato breeding. In this article, we present the main advances of complex trait dissection in tomato by omics since the release of the tomato genome sequence in 2012. We provide further insight into some tomato complex traits because of the causal genetic variations discovered so far and explore the utilization of CRISPR/Cas9 for the modification of tomato complex traits. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Key message: We present the main advances of dissection of complex traits in tomato by omics, the genes identified to control complex traits and the application of CRISPR/Cas9 in tomato breeding. Complex traits are believed to be under the control of multiple genes, each with different effects and interaction with environmental factors. Advance development of sequencing and molecular technologies has enabled the recognition of the genomic structure of most organisms and the identification of a nearly limitless number of markers that have made it to accelerate the speed of QTL identification and gene cloning. Meanwhile, multiomics have been used to identify the genetic variations among different tomato species, determine the expression profiles of genes in different tissues and at distinct developmental stages, and detect metabolites in different pathways and processes. The combination of these data facilitates to reveal mechanism underlying complex traits. Moreover, mutants generated by mutagens and genome editing provide relatively rich genetic variation for deciphering the complex traits and exploiting them in tomato breeding. In this article, we present the main advances of complex trait dissection in tomato by omics since the release of the tomato genome sequence in 2012. We provide further insight into some tomato complex traits because of the causal genetic variations discovered so far and explore the utilization of CRISPR/Cas9 for the modification of tomato complex traits. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 00405752 |
| DOI: | 10.1007/s00122-019-03478-y |
