Crossref journal-article
Wiley
FEBS Letters (311)
Abstract

Progesterone triggers the first meiotic cell division of Xenopus oocyte and inhibits cAMP synthesis. The effect of pertussis toxin purified from Bordetella pertussis was tested on the maturation of Xenopus oocyte. The toxin did not inhibit progesterone‐induced resumption of meiosis or the hormone‐induced drop in cAMP level. This indicates that progesterone action is not mediated by the Ni subunit of the oocyte adenylate cyclase. Furthermore, pertussis toxin caused a reduction in the time course of maturation correlated with the precocious appearance of an alkali stable 47kDa phosphoprotein, a marker of the maturation promoting factor (MPF) activity. Pertussis toxin effects mimicked those of 2‐glycerophosphate suggesting that both agents act on the steady‐state level of phosphorylation implicated in MPF activity.

Bibliography

Mulner, O., Megret, F., Alouf, J. E., & Ozon, R. (1985). Pertussis toxin facilitates the progesterone‐induced maturation of Xenopus oocyte. FEBS Letters, 181(2), 397–402. Portico.

Authors 4
  1. Odile Mulner (first)
  2. Françoise Megret (additional)
  3. Joseph E. Alouf (additional)
  4. René Ozon (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 25, 2002, 3:58 a.m.)
Deposited 1 year, 11 months ago (Sept. 16, 2023, 4:33 a.m.)
Indexed 11 months, 2 weeks ago (Sept. 15, 2024, 8:59 p.m.)
Issued 40 years, 6 months ago (Feb. 25, 1985)
Published 40 years, 6 months ago (Feb. 25, 1985)
Published Online 23 years, 10 months ago (Nov. 2, 2001)
Published Print 40 years, 6 months ago (Feb. 25, 1985)
Funders 0

None

@article{Mulner_1985, title={Pertussis toxin facilitates the progesterone‐induced maturation of Xenopus oocyte: Possible role of protein phosphorylation}, volume={181}, ISSN={1873-3468}, url={http://dx.doi.org/10.1016/0014-5793(85)80300-8}, DOI={10.1016/0014-5793(85)80300-8}, number={2}, journal={FEBS Letters}, publisher={Wiley}, author={Mulner, Odile and Megret, Françoise and Alouf, Joseph E. and Ozon, René}, year={1985}, month=feb, pages={397–402} }