title: Cloning and expression analysis of three novel CC chemokine genes from Japanese flounder (Paralichthys olivaceus).
abstract: Chemokines are small cytokines secreted by various cell types. They not only function in cell activation, differentiation and trafficking, but they also have influences on many biological processes. In this study, three novel CC chemokine genes Paol-SCYA105, 106 and 107 in Japanese flounder (Paralichthys olivaceus) were cloned and characterized. Paol-SCYA105 was mainly detected in gill, kidney and spleen, Paol-SCYA106 was detected in all tissues examined and Paol-SCYA107 was mainly detected in the spleen and kidney. Paol-SCYA105 and Paol-SCYA106 gene expressions peaked in kidney at day 3 after viral hemorrhagic septicemia virus infection and decreased at day 6, but Paol-SCYA106 still remained at a high level at day 6. Paol-SCYA107 gene expression was significantly up-regulated in kidney at day 6 after viral hemorrhagic septicemia virus infection. In response to infection by Gram-negative Edwardsiella tarda and Gram-positive Streptococcus iniae in kidney, only Paol-SCYA106 gene expression significantly increased. Together, these results indicate that these three novel CC chemokines are involved in the immune response against pathogen infections.
authors.affiliation: Laboratory of Genome Science, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato, Tokyo 108-8477, Japan; National Engineering Research Center of Marine Facilities Aquaculture, College of Marine Science and Technology, Zhejiang Ocean University, No. 1 of Haida Street, Zhoushan, Zhejiang 316022, China.
authors.forename: Gang-gang
authors.initials: GG
authors.lastname: Zou
authors.affiliation: Laboratory of Genome Science, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato, Tokyo 108-8477, Japan.
authors.forename: Reiko
authors.initials: R
authors.lastname: Nozaki
authors.affiliation: Laboratory of Genome Science, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato, Tokyo 108-8477, Japan. Electronic address: h-kondo@kaiyodai.ac.jp.
authors.forename: Hidehiro
authors.initials: H
authors.lastname: Kondo
authors.affiliation: Laboratory of Genome Science, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato, Tokyo 108-8477, Japan.
authors.forename: Ikuo
authors.initials: I
authors.lastname: Hirono
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D019742:Chemokines, CC / Q000737:chemistry / Q000235:genetics* / Q000378:metabolism; D003001:Cloning, Molecular; D020609:Edwardsiella tarda / Q000502:physiology; D004756:Enterobacteriaceae Infections / Q000235:genetics / Q000276:immunology / Q000382:microbiology / Q000662:veterinary; D005393:Fish Diseases / Q000235:genetics / Q000276:immunology / Q000382:microbiology / Q000821:virology; D029941:Fish Proteins / Q000737:chemistry / Q000235:genetics* / Q000378:metabolism; D005412:Flatfishes / Q000145:classification / Q000235:genetics* / Q000276:immunology / Q000378:metabolism*; D020869:Gene Expression Profiling; D005786:Gene Expression Regulation; D008969:Molecular Sequence Data; D029141:Novirhabdovirus / Q000502:physiology; D010802:Phylogeny; D018353:Rhabdoviridae Infections / Q000235:genetics / Q000276:immunology / Q000662:veterinary / Q000821:virology; D016415:Sequence Alignment / Q000662:veterinary; D013290:Streptococcal Infections / Q000235:genetics / Q000276:immunology / Q000382:microbiology / Q000662:veterinary; D013291:Streptococcus / Q000502:physiology; D014018:Tissue Distribution
chemical_list: D019742:Chemokines, CC; D029941:Fish Proteins
keywords: CC chemokine; Gene expression; Immune response; Paralichthys olivaceus