Differential mantle transcriptomics and characterization of growth-related genes in the diploid and triploid pearl oyster Pinctada fucata
Guan, YY; He, MX; Wu, HB; zhenzhubei80@sina.com; wuhoubo@scsio.ac.cn
2017
发表期刊MARINE GENOMICS
卷号33页码:31-38
摘要To explore the molecular mechanism of triploidy effect in the pearl oyster Pinctada fucata, two RNA-seq libraries were constructed from the mantle tissue of diploids and triploids by Roche-454 massive parallel pyrosequencing. The identification of differential expressed genes (DEGs) between diploid and triploid may reveal the molecular mechanism of triploidy effect. In this study, 230 down-regulated and 259 up-regulated DEGs were obtained by comparison between diploid and triploid libraries. The gene ontology and KEGG pathway analysis revealed more functional activation in triploids and it may due to the duplicated gene expression in transcriptional level during whole genome duplication (WGD). To confirm the sequencing data, a set of 11 up-regulated genes related to growth and development control and regulation were analyzed by RT-qPCR in independent experiment. According to the validation and annotation of these genes, it is hypothesized that the set of up-regulated expressed genes had the correlated expression pattern involved in shell building or other interactive probable functions during triploidization. The up- regulation of growth-related genes may support the classic hypotheses of 'energy redistribution' from early research. The results provide valuable resources to understand the molecular mechanism of triploidy effect in both shell building and producing high-quality seawater pearls. (C) 2017 Elsevier B.V. All rights reserved.
部门归属Chinese Acad Sci, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China; Chinese Acad Sci, South China Sea Inst Oceanol, Guangdong Prov Key Lab Appl Marine Biol, Guangzhou 510301, Guangdong, Peoples R China; [Guan, Yunyan] 164 West Xin Gang Rd, Guangzhou 510301, Guangdong, Peoples R China
关键词Pinctada Fucata Transcriptional Difference Differentially Expressed Gene Triploidy Effect
资助项目LMB
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/16294
专题中科院海洋生物资源可持续利用重点实验室
通讯作者zhenzhubei80@sina.com; wuhoubo@scsio.ac.cn
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GB/T 7714
Guan, YY,He, MX,Wu, HB,et al. Differential mantle transcriptomics and characterization of growth-related genes in the diploid and triploid pearl oyster Pinctada fucata[J]. MARINE GENOMICS,2017,33:31-38.
APA Guan, YY,He, MX,Wu, HB,zhenzhubei80@sina.com,&wuhoubo@scsio.ac.cn.(2017).Differential mantle transcriptomics and characterization of growth-related genes in the diploid and triploid pearl oyster Pinctada fucata.MARINE GENOMICS,33,31-38.
MLA Guan, YY,et al."Differential mantle transcriptomics and characterization of growth-related genes in the diploid and triploid pearl oyster Pinctada fucata".MARINE GENOMICS 33(2017):31-38.
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