Quantification of eggs and sperm in the Black-lip pearl oyster Pinctada margaritifera using an enzyme-linked immunosorbent assay (ELISA)

Type Article
Date 2014-05
Language English
Author(s) Jeung Hee-Do1, Kang Do-Hyung2, Park Heung-Sik2, Le Moullac GillesORCID3, Choi Kwang-Sik1
Affiliation(s) 1 : Jeju Natl Univ, Sch Marine Biomed Sci, Cheju 690756, South Korea.
2 : Korea Inst Ocean Sci & Technol, Global Bioresources Res Ctr, Ansan, South Korea.
3 : IFREMER, Ctr Pacifique, Lab Ecosyst Perlicole, Taravao, Fr Polynesia.
Source Fisheries Science (0919-9268) (Springer Japan Kk), 2014-05 , Vol. 80 , N. 3 , P. 451-462
DOI 10.1007/s12562-014-0706-1
WOS© Times Cited 3
Keyword(s) Black-lip pearl oyster, ELISA, Pinctada margaritifera, Polyclonal antibody, Quantification of eggs and sperm
Abstract We have developed immunological probes to quantify eggs and sperm of the Black-lip pearl (BLP) oyster Pinctada margaritifera. The western blot assay revealed that the polyclonal antibodies developed in this study specifically recognized only egg and sperm proteins. These polyclonal antibodies also showed high sensitivities to the antigens, detecting 0.31–10 μg/ml of the egg or sperm proteins in an indirect enzyme-linked immunosorbent assay (ELISA). Accordingly, we used an indirect ELISA to quantify the eggs and sperm in BLP oysters collected in December 2009 from Weno Island in Micronesia and in May 2010 from Tahiti. The gonad somatic index (GSI), a ratio of gonad weight to somatic tissue weight, of the females collected from Weno Island ranged from 3.6 to 18.4 %, while the GSI of the females collected from Tahiti ranged from 5.6 to 12.6 %. Similarly, the GSI of the male BLP oysters from Weno Island ranged from 0.8 to 8.5 %, while the GSI of the males from Tahiti ranged from 4.8 to 7.5 %. These results lead to the conclusion that the immunological probes developed in this study can be successfully applied to quantify BLP oyster gonadal tissues and that these probes can be used in studies of BLP oyster reproductive ecology based on their sensitivity, rapidity, and affordability.
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