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Effect and associated mechanism of copper plates on Cryptocaryon irritans tomonts in large yellow croaker (Larimichthys crocea) farming

文献类型： 外文期刊

作者： Liu, Quanyin 1 ; Zhang, Hongyu 2 ; Miao, Liang 1 ; Fang, Wenhong 3 ; Jin, Shan 1 ; Xie, Jiasong 1 ; Zhou, Suming 1 ; Ma, Rongrong 1 ; Li, Chenghua 1 ;

作者机构： 1.Ningbo Univ, Sch Marine Sci, Ningbo 315211, Peoples R China

2.Chinese Acad Fishery Sci, Beijing 100141, Peoples R China

3.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Key Lab East China Sea Fishery Resources Exploita, Minist Agr, Shanghai 200090, Peoples R China

关键词： C irritans tomont; Copper plate; Morphological characters; Mechanism

期刊名称：AQUACULTURE （ 影响因子：5.135； 五年影响因子：5.125 ）

ISSN： 0044-8486

年卷期： 2022 年 552 卷

页码：

收录情况： SCI

摘要： Cryptocaryonosis, caused by the ciliate parasite Cryptocaryon irritans , results in large economic losses in large yellow croaker (Larimichthys crocea) culture. In order to explore the effect of copper plates on C. irritans tomonts, incubation rate, morphological characteristics, copper concentration, and transcriptome changes were studied. After copper plate treatment for 6 h, the tomonts showed erosion in the internal structure and the tomonts wall exhibited reduced transparency. Compared with the control group, the hatching rate of tomonts in the treatment group was significantly lower. Copper concentrations of tomonts in the treatment group was 340.67 +/- 0.94 mg/kg, while the copper value in the control group was 22.40 +/- 0.91 mg/kg. Transcriptome analysis revealed that 21 GO terms were significantly enriched by differential expression genes (DEGs). Among them, the regulation of cellular respiration and protein-containing complexes were highly enriched (q-value < 0.001). The results of KEGG analysis showed that the ribosome pathway and the systemic lupus erythematosus pathway were the most significantly enriched pathways. In addition, most of the annotated DEGs on these two pathways were down-regulated indicating the killing effect was mainly mediated by ribosomal proteins, histones, and small nuclear ribonucleoproteins.

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