Integrated proteomic and transcriptomic analysis reveals that polymorphic shell colors vary with melanin synthesis in Bellamya purificata snail

文献类型： 外文期刊

第一作者： Huang, Songqian

作者： Huang, Songqian;Jiang, Hanjun;Wang, Weimin;Cao, Xiaojuan;Huang, Songqian;Zhang, Li;Gu, Qianhong;Wen, Yanhong;Luo, Fuguang;Jin, Wu

作者机构：

关键词： Bellamya purificata; Shell colors; Transcriptome; Proteome; Tyrosinase

期刊名称：JOURNAL OF PROTEOMICS （ 影响因子：4.044； 五年影响因子：4.02 ）

ISSN： 1874-3919

年卷期： 2021 年 230 卷

页码：

收录情况： SCI

摘要： The snail Bellamya purificata is an ecologically and economically important freshwater gastropod species. However, limited genomic resources are available for this snail. In this study, the transcriptome of mantle tissues and proteome of shells of B. purificata with two shell colors (namely light-cyan line (LC) and light-purple line (LP)) were deeply sequenced and characterized. A total of 5.72 million contigs were assembled into 157,015 unigenes, 21,455 (13.66%) of these unigenes were significantly matched to NR, Swiss-Prot, KOG, GO and KEGG database. 1807 differentially expressed genes (DEGs) were identified between the two different shell color lines. These DEGs were significantly enriched in five KEGG pathways including tyrosine metabolism, tryptophan metabolism, phenylalanine, tyrosine and tryptophan biosynthesis, phenylalanine metabolism, and histidine metabolism, which suggested that the shell color polymorphism in B. purificata was a result of melanin synthesis variation. A total of 1521 proteins were identified in B. purificata here as well. The differentially expressed protein analysis showed that the tyrosinase content in LP was significantly decreased in comparison to LC, which agreed with the transcriptome analysis results. This study provides valuable genomic resources of B. purificata and improves our understanding of molecular mechanisms of biomineralization and shell color polymorphism in snail.

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