Characterization and expression of galectin-3 after Streptococcus agalactiae and Aeromonas hydrophila challenge in GIFT strain Nile tilapia (Oreochromis niloticus)
文献类型： 外文期刊
作者： Zhu, Jiajie 1 ; Wei, Min 4 ; Wang, Quanhe 3 ; Ao, Qiuwei 1 ; Tan, Yun 1 ; Luo, Yongju 1 ; Wang, Hui 1 ; Jiang, Hesheng 1 ; H 1 ;
作者机构： 1.Guangxi Acad Fishery Sci, Guangxi Key Lab Aquat Genet Breeding & Hlth Aquac, Nanning 530021, Guangxi, Peoples R China
2.Guangxi Univ, Nanning 530004, Guangxi, Peoples R China
3.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Hubei, Peoples R China
4.Huaihai Inst Technol, Coll Marine Sci & Fisheries, Jiangsu
关键词： Galectin-3; Expression pattern; Streptococcus agalactiae; Aeromonas hydrophila; Oreochromis niloticus
期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：4.581； 五年影响因子：4.851 ）
ISSN： 1050-4648
年卷期： 2019 年 86 卷
页码：
收录情况： SCI
摘要： In mammals, Galectin-3 has been revealed to be widely expressed in immune cells and played important role in immune reactions. However, Galectin-3 is frequently less reported in teleost. In the present study, a molecular characterization and expression analysis of galectin-3 were conducted in GIFT strain Nile tilapia. The full-length CDNA is 1034 bp with 690 bp of protein coding sequences. The result of qRT-PCR showed that the mRNA of galectin-3 was widely expressed in various tissues (heart, liver, spleen, gill, kidney, brain, intestine, skin, muscle, and ovary), and the higher expression was observed in immune-related tissues (liver and spleen). The time course expression analysis revealed that galectin-3 was significantly up-regulated in intestine (5 h, 50 h, and 7 d), liver (5 h, 50 h, and 7 d), spleen (5 and 50 h), head-kidney (5 and 50 h), gill (5 h and 7 d) after Streptococcus agalactiae challenge, and significantly up-regulated in intestine (18, 24, 36, 72, and 96 h), liver (6, 18, 24, 96 h, and 6 d), spleen (18, 24, 36, 72, and 96 h), head-kidney (6, 12, 18, 24, 36, 72, and 96 h), and gill (12, 18, 24, and 36 h) after Aeromonas hydrophila challenge. Taken together, these data suggest that galectin-3 plays a role in immune responses in Nile tilapia after bacterial challenge.
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