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Molecular identification and expression analysis of natural resistance associated macrophage protein (Nramp) cDNA from Japanese flounder (Paralichthys olivaceus)
Chen, SL; Wang, ZJ; Xu, MY; Gui, JF; Chen, SL, Chinese Acad Fisheries Sci, Yellow Sea Fisheries Res Inst, Minist Agr, Key Lab Sustainable Utilizat Marine Fisheries Res, Qingdao 266071, Peoples R China
2006-03-01
Source PublicationFISH & SHELLFISH IMMUNOLOGY
ISSN1050-4648
Volume20Issue:3Pages:365-373
AbstractNatural resistance associated macrophage protein (Nramp) controls partially innate resistance to intracellular parasites. Its function is to enhance the ability of macrophages to kill pathogens. However, little is known about the structure and function of Nramp in lower vertebrates such as teleosts. We have recently isolated a cDNA encoding Nramp from Japanese flounder (Paratichthys olivaceus). The full-length cDNA of the Nramp is 3066 bp in length, including 224 bp 5' terminal UTR, 1662 bp encoding region and 1180 bp 3' terminal UTR. The 1662-nt open reading frame was found to code for a protein with 554 amino acid residues. Comparison of amino acid sequence indicated that Japanese flounder Nramp consists of 12 transmembrane (TM) domains. A consensus transport motif (CTM) containing 20 residues was observed between transmembrane domains 8 and 9. The deduced amino acid sequence of Japanese flounder had 77.30%, 82.71%, 82.67%, 79.64%, 80.72%, 90.97%, 91.16%, 60.14%, 71.48%, 61.69%, 72.37% identity with that of rainbow trout Nramp alpha and beta, channel catfish Nramp, fathead minnow Nramp, common carp Nramp, striped sea bass Nramp, red sea bream Nramp, mouse Nramp 1 and 2, human Nramp 1 and 2, respectively. RT-PCR indicated that Nramp transcripts were highly abundant in spleen, head kidney, abundant in intestine, liver and gill, and less abundant in heart. The level of Nramp mRNA in embryos gradually increases during embryogenesis from 4 h (8 cell stage) to 80 h (hatched stage) after fertilization. (c) 2005 Elsevier Ltd. All rights reserved.; Natural resistance associated macrophage protein (Nramp) controls partially innate resistance to intracellular parasites. Its function is to enhance the ability of macrophages to kill pathogens. However, little is known about the structure and function of Nramp in lower vertebrates such as teleosts. We have recently isolated a cDNA encoding Nramp from Japanese flounder (Paratichthys olivaceus). The full-length cDNA of the Nramp is 3066 bp in length, including 224 bp 5' terminal UTR, 1662 bp encoding region and 1180 bp 3' terminal UTR. The 1662-nt open reading frame was found to code for a protein with 554 amino acid residues. Comparison of amino acid sequence indicated that Japanese flounder Nramp consists of 12 transmembrane (TM) domains. A consensus transport motif (CTM) containing 20 residues was observed between transmembrane domains 8 and 9. The deduced amino acid sequence of Japanese flounder had 77.30%, 82.71%, 82.67%, 79.64%, 80.72%, 90.97%, 91.16%, 60.14%, 71.48%, 61.69%, 72.37% identity with that of rainbow trout Nramp alpha and beta, channel catfish Nramp, fathead minnow Nramp, common carp Nramp, striped sea bass Nramp, red sea bream Nramp, mouse Nramp 1 and 2, human Nramp 1 and 2, respectively. RT-PCR indicated that Nramp transcripts were highly abundant in spleen, head kidney, abundant in intestine, liver and gill, and less abundant in heart. The level of Nramp mRNA in embryos gradually increases during embryogenesis from 4 h (8 cell stage) to 80 h (hatched stage) after fertilization. (c) 2005 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordJapanese Flounder Paralichthys Olivaceus Nramp Cdna Expression
DepartmentChinese Acad Fisheries Sci, Yellow Sea Fisheries Res Inst, Minist Agr, Key Lab Sustainable Utilizat Marine Fisheries Res, Qingdao 266071, Peoples R China; Shanghai Fisheries Univ, E Inst Shanghai Univ, Aquaculture Div, Shanghai 200090, Peoples R China; Ocean Univ China, Coll Marine Life Sci, Qingdao 266003, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Wuhan Ctr Dev Biol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Subject AreaFisheries ; Immunology ; Marine & Freshwater Biology ; Veterinary Sciences
DOI10.1016/j.fsi.2005.05.011
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaFisheries ; Immunology ; Marine & Freshwater Biology ; Veterinary Sciences
WOS SubjectFisheries ; Immunology ; Marine & Freshwater Biology ; Veterinary Sciences
WOS IDWOS:000233511800009
WOS KeywordGENETIC-CONTROL ; CLONING ; INFECTION ; SEQUENCE ; LOCI ; MICE ; BCG
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9092
Collection期刊论文
Corresponding AuthorChen, SL, Chinese Acad Fisheries Sci, Yellow Sea Fisheries Res Inst, Minist Agr, Key Lab Sustainable Utilizat Marine Fisheries Res, Qingdao 266071, Peoples R China
Affiliation1.Chinese Acad Fisheries Sci, Yellow Sea Fisheries Res Inst, Minist Agr, Key Lab Sustainable Utilizat Marine Fisheries Res, Qingdao 266071, Peoples R China
2.Shanghai Fisheries Univ, E Inst Shanghai Univ, Aquaculture Div, Shanghai 200090, Peoples R China
3.Ocean Univ China, Coll Marine Life Sci, Qingdao 266003, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, Wuhan Ctr Dev Biol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Chen, SL,Wang, ZJ,Xu, MY,et al. Molecular identification and expression analysis of natural resistance associated macrophage protein (Nramp) cDNA from Japanese flounder (Paralichthys olivaceus)[J]. FISH & SHELLFISH IMMUNOLOGY,2006,20(3):365-373.
APA Chen, SL,Wang, ZJ,Xu, MY,Gui, JF,&Chen, SL, Chinese Acad Fisheries Sci, Yellow Sea Fisheries Res Inst, Minist Agr, Key Lab Sustainable Utilizat Marine Fisheries Res, Qingdao 266071, Peoples R China.(2006).Molecular identification and expression analysis of natural resistance associated macrophage protein (Nramp) cDNA from Japanese flounder (Paralichthys olivaceus).FISH & SHELLFISH IMMUNOLOGY,20(3),365-373.
MLA Chen, SL,et al."Molecular identification and expression analysis of natural resistance associated macrophage protein (Nramp) cDNA from Japanese flounder (Paralichthys olivaceus)".FISH & SHELLFISH IMMUNOLOGY 20.3(2006):365-373.
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