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首页> 外文期刊>Frontiers in Plant Science >Genome-Wide Analysis and Expression Profiling of the SUC and SWEET Gene Families of Sucrose Transporters in Oilseed Rape ( Brassica napus L.)
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Genome-Wide Analysis and Expression Profiling of the SUC and SWEET Gene Families of Sucrose Transporters in Oilseed Rape ( Brassica napus L.)

机译： suc 和<斜体>甜味的表达分析的基因组分析和表达分析，油菜蔗糖转运蛋白的蔗糖转运蛋白（<斜体>芸苔 L.）

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Sucrose is the principal transported product of photosynthesis from source leaves to sink organs. SUTs/SUCs (sucrose transporters or sucrose carriers) and SWEETs (Sugars Will Eventually be Exported Transporters) play significant central roles in phloem loading and unloading. SUTs/SUCs and SWEETs are key players in sucrose translocation and are associated with crop yields. The SUT/SUC and SWEET genes have been characterized in several plant species, but a comprehensive analysis of these two gene families in oilseed rape has not yet been reported. In our study, 22 and 68 members of the SUT/SUCs and SWEET gene families, respectively, were identified in the oilseed rape ( Brassica napus ) genome through homology searches. An analysis of the chromosomal distribution, phylogenetic relationships, gene structures, motifs and the cis-acting regulatory elements in the promoters of BnSUC and BnSWEET genes were analyzed. Furthermore, we examined the expression of the 18 BnSUC and 16 BnSWEET genes in different tissues of “ZS11” and the expression of 9 BnSUC and 7 BnSWEET genes in “ZS11” under various conditions, including biotic stress ( Sclerotinia sclerotiorum ), abiotic stresses (drought, salt and heat), and hormone treatments (abscisic acid, auxin, cytokinin, brassinolide, gibberellin, and salicylic acid). In conclusion, our study provides the first comprehensive analysis of the oilseed rape SUC and SWEET gene families. Information regarding the phylogenetic relationships, gene structure and expression profiles of the SUC and SWEET genes in the different tissues of oilseed rape helps to identify candidates with potential roles in specific developmental processes. Our study advances our understanding of the important roles of sucrose transport in oilseed rape.
机译：蔗糖是从来源叶片到水槽器官的光合作用的主要运输产物。 Suts / sucs（蔗糖运输术或蔗糖载体）和甜食（糖最终将出口运输车）在Phloem负载和卸载中发挥着显着的中心作用。 Suts / sucs和糖果是蔗糖易位的关键球员，与作物产量相关联。 SUT / SUC和甜味基因已在几种植物物种中表征，但尚未报告对油菜油菜中这两个基因家族的综合分析。在我们的研究中，通过同源性搜索，分别在油菜（甘蓝型油菜）基因组中鉴定了22和68名Sut / Sucs和Suff基因家族。分析了BNSUC和BNSWEET基因启动子中染色体分布，系统发育关系，基因结构，基序和顺式作用调节元件的分析。此外，我们研究了在“ZS11”的不同组织中的18 bnsuc和16个Bnsweet基因的表达，以及在各种条件下的“zs11”中的9 bnsuc和7个bnsweet基因的表达，包括生物应激（Sclerotinia sclerotum），非生物胁迫（干旱，盐和热量）和激素治疗（脱钙，生长素，细胞蛋白，芸苔，甘蓝苷，甘蓝型蛋白和水杨酸）。总之，我们的研究提供了对油菜加油和甜味基因家族的第一次综合分析。关于油菜油菜不同组织中Suc和甜基因的基因结构，基因结构和表达谱的信息有助于在特定发育过程中鉴定具有潜在作用的候选者。我们的研究进展了我们对蔗糖运输在油菜中的重要作用的理解。

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