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 language | English |
|---|---|
| Pages (from-to) | 305-311 |
| Number of pages | 7 |
| Journal | Comparative Biochemistry and Physiology Part - B: Biochemistry and Molecular Biology |
| Volume | 138 |
| Issue number | 3 |
| DOIs | |
| State | Published - Jul 2004 |
Keywords
- Decapoda
- Developmental stages
- Enzyme-linked immunosorbent assay
- Eriocheir sinensis
- Gel filtration chromatography
- Ovary
- Purification
- Vitellin