Immunological Characterization of Pheromone-induced Proteins Associated with Sexual Aggregation in Enterococcus faecalis

Jiro Nakayama, Hiroshi Watarai, Akira Isogai, Akinori Suzuki

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Sexual aggregation involved in conjugative transfer of the Enterococcus faecalis plasmids pPDl and pADl is enhanced by sex pheromones cPDl and cADl, respectively, which are excreted from recipient cells. PD78 (78kDa) and AD74 (74kDa) were detectable on the surface of donors harboring pPDl and pAD1, respectively, at the time of cell aggregation. The proteins PD78 and AD74 were purified and used to raise anti-PD78 and anti-AD74 antibodies. The antibodies blocked the sexual aggregation and the plasmid transfer. Anti-AD74 antibody reacted to both 153 kDa proteins extracted from cPDl and cADl-induced donor cells after lysozyme digestion of cell wall. Pheromone-induced synthesis of PD78 and AD74, when both plasmids were present in the same cell, was independent.

Original languageEnglish
Pages (from-to)264-269
Number of pages6
JournalBioscience, Biotechnology, and Biochemistry
Volume56
Issue number2
DOIs
Publication statusPublished - Jan 1 1992
Externally publishedYes

Fingerprint

Enterococcus faecalis
Pheromones
Plasmids
Agglomeration
Anti-Idiotypic Antibodies
Sex Attractants
Cell Aggregation
Proteins
Muramidase
Cell Wall
Digestion
Cells
Antibodies

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

Cite this

Immunological Characterization of Pheromone-induced Proteins Associated with Sexual Aggregation in Enterococcus faecalis. / Nakayama, Jiro; Watarai, Hiroshi; Isogai, Akira; Suzuki, Akinori.

In: Bioscience, Biotechnology, and Biochemistry, Vol. 56, No. 2, 01.01.1992, p. 264-269.

Research output: Contribution to journalArticle

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