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Characterization and functional analysis of a novel mannose-binding lectin from the swimming crab Portunus trituberculatus
Zhang, Mengjie1,3,4; Liu, Yuan1,2,3; Song, Chengwen1,2,3; Ning, Junhao1,3,4; Cui, Zhaoxia2,5
2019-06-01
发表期刊FISH & SHELLFISH IMMUNOLOGY
ISSN1050-4648
卷号89页码:448-457
通讯作者Cui, Zhaoxia(cuizhaoxia@nbu.edu.cn)
摘要Mannose-binding lectin (MBL) is a pattern recognition receptor (PRR) that plays an important role in the innate immune response. In this study, a novel mannose-binding lectin was cloned from the swimmimg crab Portunus trituberculatus (designated as PtMBL). The complete cDNA of PtMBL gene was 1208 bp in length with an open reading frame (ORF) of 732 bp that encoded 244 amino acid proteins. PtMBL shared lower amino acid similarity with other MBLs, yet it contained the conserved carbohydrate-recognition domain (CRD) with QPD motif and was clearly member of the collectin family. PtMBL transcripts were mainly detected in eyestalk and gill with sexually dimorphic expression. The temporal expression of PtMBL in hemocytes showed different activation times after challenged with Vibrio alginolyticus, Micrococcus luteus and Pichia pastoris. The recombinant PtMBL protein revealed antimicrobial activity against the tested Gram-negative and Gram-positive bacteria. It could also bind and agglutinate (Ca2+-dependent) both bacteria and yeast. Furthermore, the agglutinating activity could be inhibited by both D-galactose and D-mannose, suggesting the broader pathogen-associated molecular patterns (PAMPs) recognition spectrum of PtMBL. These results together indicate that PtMBL could serve as not only a PRR in immune recognition but also a potential antibacterial protein in the innate immune response of crab.
关键词Portunus trituberculatus Mannose-binding lectin Pattern recognition receptor Antimicrobial activities
DOI10.1016/j.fsi.2019.04.007
收录类别SCI
语种英语
资助项目National Key R&D Program of China[2018YFD0900303] ; National Natural Science Foundations of China[41776159] ; Scientific and Technological Innovation Project of Qingdao National Laboratory for Marine Science and Technology[2015ASKJ02] ; Natural Science Foundation of Shandong Province[ZR2017QD001] ; National Key R&D Program of China[2018YFD0900303] ; National Natural Science Foundations of China[41776159] ; Scientific and Technological Innovation Project of Qingdao National Laboratory for Marine Science and Technology[2015ASKJ02] ; Natural Science Foundation of Shandong Province[ZR2017QD001]
WOS研究方向Fisheries ; Immunology ; Marine & Freshwater Biology ; Veterinary Sciences
WOS类目Fisheries ; Immunology ; Marine & Freshwater Biology ; Veterinary Sciences
WOS记录号WOS:000469897700051
出版者ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/161617
专题实验海洋生物学重点实验室
通讯作者Cui, Zhaoxia
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Expt Marine Biol, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Shandong, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Shandong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Ningbo Univ, Sch Marine Sci, Ningbo 315211, Zhejiang, Peoples R China
第一作者单位中国科学院海洋研究所
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Zhang, Mengjie,Liu, Yuan,Song, Chengwen,et al. Characterization and functional analysis of a novel mannose-binding lectin from the swimming crab Portunus trituberculatus[J]. FISH & SHELLFISH IMMUNOLOGY,2019,89:448-457.
APA Zhang, Mengjie,Liu, Yuan,Song, Chengwen,Ning, Junhao,&Cui, Zhaoxia.(2019).Characterization and functional analysis of a novel mannose-binding lectin from the swimming crab Portunus trituberculatus.FISH & SHELLFISH IMMUNOLOGY,89,448-457.
MLA Zhang, Mengjie,et al."Characterization and functional analysis of a novel mannose-binding lectin from the swimming crab Portunus trituberculatus".FISH & SHELLFISH IMMUNOLOGY 89(2019):448-457.
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