Molecular cloning, inducible expression and antibacterial analysis of a novel i-type lysozyme (lyz-i2) in Pacific white shrimp, Litopenaeus vannamei
Chen, Ting; Ren, Chunhua; Wang, Yanhong; Luo, Peng; Jiang, Xiao; Huang, Wen; Chen, Chang; Hu, Chaoqun; Ren, CH; Hu, CQ (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, Guangdong Prov Key Lab Appl Marine Biol LAMB, Key Lab Trop Marine Bioresources & Ecol LMB, 164 West Xingang Rd, Guangzhou 510301, Guangdong, Peoples R China.
2016
发表期刊FISH & SHELLFISH IMMUNOLOGY
卷号54页码:197-203
摘要The full-length cDNA coding for a novel invertebrate (i-type) lysozyme was identified in Pacific white shrimp (Litopenaeus vannamei). The newly obtained L. vannamei lysozyme is similar to the Penaeus monodon i-type lysozyme 2, but it is distant from the known L vannamei c-type lysozyme and i-type lysozyme 1 in protein sequence; therefore, it was defined as L vannamei i-type lysozyme 2 (lyz-i2). Expression of L. vannamei lyz-i2 transcripts were ubiquitously detected in all tissues we selected, with the highest abundance observed in the hemolymph. Challenge with Vibrio harveyi might elicit L vannamei lyz-i2 mRNA expression in the hepatopancreas, intestine, muscle, gill and hemolymph. In the themolymph, specifically, the stimulatory effects of Vibrio and lipopolysaccharide (LPS) on lyz-i2 transcript levels were durable and transient, respectively; while Polyinosinic:polycytidylic acid [Poly (I:C)] treatment did not affect lyz-i2 expression. L vannamei lyz-i2 recombinant protein was generated in an Escherichia coli system. By lysoplate and turbidimetric assays, the L vannamei lyz-i2 recombinant protein showed a broad spectrum of antimicrobial properties with high activities against Micrococcaceae lysodeikticus and various Vibrio species and relatively low activity against E. coll. In conclusion, L. vannamei lyz-i2 might be a potent antibacterial protein with a role in innate immunity in Penaeid shrimp. (C) 2016 Elsevier Ltd. All rights reserved.
部门归属[Chen, Ting; Ren, Chunhua; Wang, Yanhong; Luo, Peng; Jiang, Xiao; Huang, Wen; Chen, Chang; Hu, Chaoqun] Chinese Acad Sci, South China Sea Inst Oceanol, Guangdong Prov Key Lab Appl Marine Biol LAMB, Key Lab Trop Marine Bioresources & Ecol LMB, 164 West Xingang Rd, Guangzhou 510301, Guangdong, Peoples R China; [Chen, Ting; Ren, Chunhua] South China Sea BioResource Exploitat & Utilizat, Guangzhou, Guangdong, Peoples R China ; LMB
关键词I-type Lysozyme Litopenaeus Vannamei Antimicrobial Activity Innate Immunity Vibrio
学科领域Fisheries ; Immunology ; Marine & Freshwater Biology ; Veterinary Sciences
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15388
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Ren, CH; Hu, CQ (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, Guangdong Prov Key Lab Appl Marine Biol LAMB, Key Lab Trop Marine Bioresources & Ecol LMB, 164 West Xingang Rd, Guangzhou 510301, Guangdong, Peoples R China.
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GB/T 7714
Chen, Ting,Ren, Chunhua,Wang, Yanhong,et al. Molecular cloning, inducible expression and antibacterial analysis of a novel i-type lysozyme (lyz-i2) in Pacific white shrimp, Litopenaeus vannamei[J]. FISH & SHELLFISH IMMUNOLOGY,2016,54:197-203.
APA Chen, Ting.,Ren, Chunhua.,Wang, Yanhong.,Luo, Peng.,Jiang, Xiao.,...&Hu, CQ .(2016).Molecular cloning, inducible expression and antibacterial analysis of a novel i-type lysozyme (lyz-i2) in Pacific white shrimp, Litopenaeus vannamei.FISH & SHELLFISH IMMUNOLOGY,54,197-203.
MLA Chen, Ting,et al."Molecular cloning, inducible expression and antibacterial analysis of a novel i-type lysozyme (lyz-i2) in Pacific white shrimp, Litopenaeus vannamei".FISH & SHELLFISH IMMUNOLOGY 54(2016):197-203.
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