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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 33, No. 5, 2012, pp. 503-509
Bioline Code: zr12079
Full paper language: English
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 33, No. 5, 2012, pp. 503-509

 en Effects of three antigens extracted from Vibrio vulnificus check for this species in other resources on the immunological protection of Nibea albiflora check for this species in other resources
YAN, Mao-Cang; SHAN, Le-Zhou; CHEN, Shao-Bo & XIE, Qi-Lang

Abstract

Nibea albiflora check for this species in other resources was immunized by intraperitoneal injection with either Lipopolysaccharide (LPS) or outer membrane protein (OMP) extracted from Vibrio vulnificus check for this species in other resources or formalin killed Vibrio vulnificus (FKC). The influence of the three antigens on the immunological function of Nibea albiflora was determined at different time points following the injection by testing the agglutinating antibody titers of the serum, lysozyme activity of the serum, phagocytic activity of the blood and the relative survival percentage. The results showed that the three antigens have higher immunogenicity and antigenicity than the control group(injection with sterile saline). The agglutinating antibody titers of the immune challenged groups increased quickly, and were highest on the day 28. The lysozyme activity and phagocytic activity were raised significantly (P<0.01), reaching their top value on day 21, and then the index gradually reduced. The immunological indexes of three immune groups were higher than the control group (P<0.05). The agglutinating antibody titers of the LPS group or the OMP group were lower than the control group, but the relative survival percentage was adverse when challenged with a Vibrio vulnificus infection. The order of relative survival percentage was group LPS>OMP>FKC>Control.

Keywords
Nibea albiflora; Vibrio vulnificus; protective antigens; immunological function

 
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