帘蛤
生物
转录组
机制(生物学)
遗传学
进化生物学
基因
生态学
基因表达
认识论
哲学
作者
Zhi Hu,Hao Song,Cong Zhou,Zhi Yu,Mei‐Jie Yang,Tao Zhang
出处
期刊:Genomics
[Elsevier]
日期:2020-09-01
卷期号:112 (5): 3636-3647
被引量:16
标识
DOI:10.1016/j.ygeno.2020.04.020
摘要
Color plays a vital function in camouflage, sexual selection, immunity, and evolution. Mollusca possess vivid shell colors and pigmentation starts at the juvenile stage. The hard clam Mercenaria mercenaria is a widely cultivated bivalve of high economic value. To explore the molecular mechanism of pigmentation in juvenile clams, here, we performed RNA-Seq analysis on non-pigmented, white, and red M. mercenaria specimens. Clean reads were assembled into 358,285 transcripts and 149,234 unigenes, whose N50 lengths were 2107 bp and 1567 bp, respectively. Differentially expressed genes were identified and analyzed for KEGG enrichment. “Melanoma/Melanogenesis”, “ABC transporters”, and “Porphyrin and chlorophyll metabolism” pathways appeared to be associated with pigmentation. Pathways related to carotenoid metabolism seemed to also play a vital role in pigmentation in juveniles. Our results provide new insights into the formation of shell color in juvenile hard clams. • We identified DEGs potentially involved in the pigmentation in juveniles of the hard clam Mercenaria mercenaria .
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