Genome-Wide Characterization of Trehalose-6-Phosphate Synthase Gene Family of <i>Brassica napus</i> and Potential Links with Agronomic Traits
Trehalose and trehalose-6 phosphate played important roles in floral organ development, embryonic development, cell morphogenesis, and signal transduction under abiotic stress. However, little is known about the trehalose-6-phosphate synthase (<i>TPS</i>) gene family in <i>Brassica...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-12-01
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| Series: | International Journal of Molecular Sciences |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1422-0067/23/24/15714 |
| Summary: | Trehalose and trehalose-6 phosphate played important roles in floral organ development, embryonic development, cell morphogenesis, and signal transduction under abiotic stress. However, little is known about the trehalose-6-phosphate synthase (<i>TPS</i>) gene family in <i>Brassica napus</i>. In this study, in total, 26 <i>TPS</i> genes in <i>B. napus</i> (<i>BnTPS</i> genes) were identified and classified into two groups. In each group, the <i>BnTPS</i> genes showed relatively conserved gene structures. The protein–protein interaction (PPI) network and enrichment analysis indicated that <i>BnTPS</i> genes were involved in the glycolysis/gluconeogenesis, fructose and mannose metabolism, galactose metabolism, pentose phosphate pathway, carbohydrate transmembrane transport, trehalose–phosphatase activity, etc. The expression of <i>BnTPS</i> genes varied greatly across different tissues, while most of the <i>BnTPS</i> genes showed a considerable improvement in expression under different abiotic stresses, indicating that <i>BnTPS</i> genes were significantly responsive to the abiotic treatments. In addition, the association mapping analysis revealed that eight <i>BnTPS</i> genes were potential regulators of particular agronomic traits. Among them, the gene <i>BnTPS23</i> was significantly associated with the primary flowering time (PFT), full flowering time (FFT1), and final flowering time (FFT2), suggesting that <i>BnTPS</i> genes may play an important role in regulating key agronomic traits in <i>B. napus</i>. In summary, our research provides a better understanding of <i>BnTPS</i> genes, facilitates the breeding of superior <i>B. napus</i> varieties, and paves the way for future functional studies. |
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| ISSN: | 1661-6596 1422-0067 |