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Isolation and expression analysis of cellulose synthase 3 (Ces3) genes from sugarcane (Saccharum officinarum L.)

文献类型： 外文期刊

作者： Huang, Cheng-Mei 1 ; Wu, Kai-Chao 2 ; Verma, Krishan K. 2 ; Luo, Hai-Bin 1 ; Deng, Zhi-Nian 2 ; Shi, Guo-Ying 3 ; Cao, Hui-Qing 1 ; Wu, Xing-Jian 1 ; Ye, Li-Ping 1 ; Wei, Yuan-Wen 4 ; Xu, Lin 2 ;

作者机构： 1.Guangxi Acad Agr Sci, Guangxi Crop Genet Improvement & Biotechnol Lab, Nanning 530007, Guangxi, Peoples R China

2.Guangxi Acad Agr Sci, Sugarcane Res Inst, Guangxi Key Lab Sugarcane Genet Improvement, Nanning 530007, Guangxi, Peoples R China

3.Guangxi Acad Agr Sci, Microbiol Res Inst, Nanning 530007, Guangxi, Peoples R China

4.Guangxi Acad Agr Sci, Biotechnol Res Inst, Nanning 530007, Guangxi, Peoples R China

关键词： Gene expression; DEGs; SoCes3; Transgenic tobacco; Saccharum officinarum L.

期刊名称：CHEMICAL AND BIOLOGICAL TECHNOLOGIES IN AGRICULTURE （ 影响因子：6.6； 五年影响因子：6.6 ）

ISSN：

年卷期： 2024 年 11 卷 1 期

页码：

收录情况： SCI

摘要： Plant cellulose synthase is one of the important glycosyltransferases, which catalyzes the synthesis of the paracrystalline of H-bonded-beta-(1,4)-glucose chains. This study isolated the cellulose synthase 3 (Ces3) sequence from sugarcane (Saccharum officinarum L.) leaves. SoCes3 (GenBank accession No. MG324347) has a full-length cDNA sequence of 3625 bp. It contains an open reading frame (3225 bp), encoding 1074 amino acids with a molecular weight of about 120.89 kDa and isoelectric point of 6.26. SoCes3 protein showed high activity with other plant cellulose synthases. The recombinant protein contains plant cellulose synthase (Ces) protein conservative domains. In subcellular localization experiments, the fusion protein of SoCes3 with green fluorescent protein (GFP) was specifically localized in the cell membrane. The gene expression of SoCes3 was found in the leaf, leaf sheath, and internodes of the sugarcane stem. The highest expression level was found in the internode, especially with the highest expression level in the 5th internode and lowest in the leaves, and the gene expression level of SoCes3 was upregulated by PP333 and not in gibberellic acid-treated plants. It was conducted in tobacco plants to understand the biotechnological potential of SoCes3. The contents of cellulose and lignin were increased in SoCes3-overexpressing tobacco. Transcriptomic analysis showed that the transgenic tobacco induced different genes associated with different biological regulatory processes. Differentially expressed genes (DEGs) mediated plant hormone signal transduction, starch and sucrose metabolism signaling pathways were widely induced and mostly upregulated. The transcription levels in SoCes3-overexpressing transgenic lines were higher than wild-type.

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