Identification of proteins and metabolic networks associated with sucrose accumulation in sugarcane (Saccharum spp. interspecific hybrids)
文献类型： 外文期刊
作者： Qin, Cui-Xian 1 ; Chen, Zhong-Liang 1 ; Wang, Miao 1 ; Li, Ao-Mei 1 ; Liao, Fen 1 ; Li, Yang-Rui 1 ; Wang, Ming-Qiao 3 ;
作者机构： 1.Guangxi Acad Agr Sci, Guangxi Key Lab Sugarcane Genet Improvement, Key Lab Sugarcane Biotechnol & Genet Improvement, Minist Agr & Rural Affairs,Sugarcane Res Inst, Nanning, Peoples R China
2.Guangxi Univ, Coll Agr, Nanning, Peoples R China
3.Abmart, Shanghai, Peoples R China
4.Southwest Univ, Coll Resources & Environm, Interdisciplinary Res Ctr Agr Green Dev Yangtze R, Chongqing, Peoples R China
5.Univ Queensland, Queensland Alliance Agr & Food Innovat, St Lucia, Qld, Australia
关键词： Sugarcane; proteomics; differential expression; proteins; sucrose accumulation; sugar metabolism
期刊名称：JOURNAL OF PLANT INTERACTIONS （ 影响因子：2.992； 五年影响因子：2.954 ）
ISSN： 1742-9145
年卷期： 2021 年 16 卷 1 期
页码：
收录情况： SCI
摘要： The rate of improvement of sugar content in sugarcane remains low for decades worldwide. Our previous transcriptome studies provided an atlas of sucrose accumulation-related gene expression, but little is known about the proteins involved. Here, we conducted a proteomic analysis of experimentally altered sucrose accumulation in sugarcane. Analysis of stem proteomes of sugarcane ripener ethephon treated high- and low-sugar genotypes had identified 2983 proteins of which 139 were significantly differentially expressed (DEPs). These DEPs were found to be associated with sugar metabolism-related processes with 25 of them may have a regulatory role in sucrose accumulation. The key proteins identified include UDP-glucose 6-dehydrogenase associated with amino sugar and nucleotide sugar metabolism; those involved in carbon fixation; and fructokinase, beta-D-glucosidase, and alpha-glucan phosphorylase involved in starch and sucrose metabolism. Distinct genotype- and ethephon-dependent DEP expression was evident providing new insights into one of the most intractable sugarcane traits to breeding.
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