| Evolutionary analysis of plant SUS gene family and expression patterns of maize SUS genes under drought stress |
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| DOI：10.7606/j.issn.1000-7601.2023.03.11 |
| Key Words: maize drought stress sucrose synthase gene family gene expression |
| Author Name | Affiliation | | WU Yue | College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China | | DING Pengjun | College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China | | CHEN Junru | College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China | | WANG Ruilei | College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China | | ZHANG Kaiwen | College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China | | LIU Mengzhen | College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China | | HAN Zhaoxue | College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China |
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| Abstract: |
| This project identified 283 Sucrose synthase (SUS) family genes in 50 species. Comphensive analyses of evolutionary relationship of SUS family using bioinformatics methods of phylogenetic analysis, synteny analysis,physicochemical properties analysis, subcellular localization prediction, and expression pattern of maize SUS genes under drought stress were performed. Based on the phylogenetic tree, SUS gene family was divided into three subfamilies, that is SUS Ⅰ, SUS Ⅱ, and SUS Ⅲ. The dicot members of SUS Ⅲ were clearly divided into two clades with similar topological structures. SUS protein mainly played a role in the cytoplasm and nucleus, and the physical and chemical properties of SUS Ⅲ members were different from those of SUS Ⅰ and Ⅱ. The syntenic genes from SUS Ⅰ and SUSⅡ subfamilies were clustered into one independent community,respectively, and the syntenic genes from SUS Ⅲ subfamily were clustered into two subgroups. RNA-seq dataset indicated that maize SUS genes Zm00001d045042, Zm00001d029087, Zm00001d029091 and Zm00001d014876 were differentially expressed under drought stress. In addition, the expression pattern of the genes in each subfamily corresponded with their gene structures. Based on the study, the evolutionary trajectory of SUS genes in plants can be inferred that SUS Ⅲ would differentiate during the evolution of ferns to seed plants, SUSⅠ and SUS Ⅱ would appear before the differentiation of angiosperms, and SUS Ⅲ would have a tendency to continue to differentiate in dicots. |
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