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J Bacteriol. Mar 1971; 105(3): 1213–1215.
PMCID: PMC248564

Appearance of a Protein “Agglutinin” on the Spheroplast Membrane of Pneumococci During Induction of Competence


Competent pneumococci and their spheroplasts agglutinate in dilute acid. Agglutination is caused by a trypsin-sensitive agglutinin which is not identical to the competence factor and the appearance of which requires protein synthesis.

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Selected References

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  • Javor GT, Tomasz A. An autoradiographic study of genetic transformation. Proc Natl Acad Sci U S A. 1968 Aug;60(4):1216–1222. [PMC free article] [PubMed]
  • Mosser JL, Tomasz A. Choline-containing teichoic acid as a structural component of pneumococcal cell wall and its role in sensitivity to lysis by an autolytic enzyme. J Biol Chem. 1970 Jan 25;245(2):287–298. [PubMed]
  • Pakula R, Ray P, Spencer LR. Some characteristics of streptococci competent for uptake of deoxyribonucleic acid. Can J Microbiol. 1970 May;16(5):345–350. [PubMed]
  • Tomasz A. Cellular metabolism in genetic transformation of pneumococci: requirement for protein synthesis during induction of competence. J Bacteriol. 1970 Mar;101(3):860–871. [PMC free article] [PubMed]
  • Ziegler R, Tomasz A. Binding of the competence factor to receptors in the spheroplast membrane of pneumococci. Biochem Biophys Res Commun. 1970 Dec 9;41(5):1342–1349. [PubMed]

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