Purification of vitellin from the ovary of Chinese mitten-handed crab (Eriocheir sinensis) and development of an antivitellin ELISA

  • Liqiao Chen*
  • , Hongbo Jiang
  • , Zhongliang Zhou
  • , Kang Li
  • , Kai Li
  • , Glenn Y. Deng
  • , Zhanjiang Liu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Vitellin was purified from ovaries of mature female Chinese mitten-handed crab (Eriocheir sinensis) using gel filtration chromatography. Analysis by native PAGE showed the vitellin had a native molecular mass of 520 kDa, while denaturing SDS-PAGE revealed two subunits of 97 and 74 kDa. Purified vitellin was used to raise polyclonal antisera, with which an enzyme-linked immunosorbent assay (ELISA) was developed. The ELISA was sensitive and could effectively detect vitellin in the range of 7.8-500 ng. Furthermore, vitellin levels in various developmental stages of oogenesis were measured with the ELISA assay. The results indicated that levels of vitellin increased significantly from 0.22 mg/ovary at Stage II to 360.31 mg/ovary at Stage IV.

Original languageEnglish
Pages (from-to)305-311
Number of pages7
JournalComparative Biochemistry and Physiology Part - B: Biochemistry and Molecular Biology
Volume138
Issue number3
DOIs
StatePublished - Jul 2004

Keywords

  • Decapoda
  • Developmental stages
  • Enzyme-linked immunosorbent assay
  • Eriocheir sinensis
  • Gel filtration chromatography
  • Ovary
  • Purification
  • Vitellin

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