Abstract
The polypeptide composition of Chlamydia was examined by acrylamide gel electrophoresis. When the polypeptide patterns of purified infectious elementary bodies (EB) of C. psittaci meningopneumonitis strain, 6BC strain, and C. trachomatis T'ang strain were compared, no significant differences were observed. The polypeptide patterns of whole EB and reticulate bodies (RB) appeared to overlap, but differences were found. In EB cell walls, nine main and several minor bands of polypeptides were observed in gels containing sodium lauryl sulfate, and the eighth main band from the top of the gel stained positive with periodic acid-Schiff reagent. On the other hand, the polypeptides in bands 3, 6, and 8 in EB cell walls were missing or minor in RB cell walls, and the ninth band was clearly stained by PAS. Band 8 was also stained slightly. Purified subunits, which occur as a lattice structure on the inside layer of EB cell walls but are largely missing in RB cell walls, contained bands 4, 6, and 8, and band 8 was PAS positive. These results indicate that significant polypeptide synthesis or reorganization in the cell walls occurs during the growth cycle.
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- HIGASHI N. ELECTRON MICROSCOPIC STUDIES ON THE MODE OF REPRODUCTION OF TRACHOMA VIRUS AND PSITTACOSIS VIRUS IN CELL CULTURES. Exp Mol Pathol. 1965 Feb;76:24–39. doi: 10.1016/0014-4800(65)90021-3. [DOI] [PubMed] [Google Scholar]
- Higashi N. The mode of reproduction of psittacosis-lymphogranuloma-trachoma (PLT) group viruses. Int Rev Exp Pathol. 1964;3:35–64. [PubMed] [Google Scholar]
- LOWRY O. H., ROSEBROUGH N. J., FARR A. L., RANDALL R. J. Protein measurement with the Folin phenol reagent. J Biol Chem. 1951 Nov;193(1):265–275. [PubMed] [Google Scholar]
- Manire G. P., Tamura A. Preparation and chemical composition of the cell walls of mature infectious dense forms of meningopneumonitis organisms. J Bacteriol. 1967 Oct;94(4):1178–1183. doi: 10.1128/jb.94.4.1178-1183.1967. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Matsumoto A., Manire G. P. Electron Microscopic Observations on the Fine Structure of Cell Walls of Chlamydia psittaci. J Bacteriol. 1970 Dec;104(3):1332–1337. doi: 10.1128/jb.104.3.1332-1337.1970. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Shapiro A. L., Viñuela E., Maizel J. V., Jr Molecular weight estimation of polypeptide chains by electrophoresis in SDS-polyacrylamide gels. Biochem Biophys Res Commun. 1967 Sep 7;28(5):815–820. doi: 10.1016/0006-291x(67)90391-9. [DOI] [PubMed] [Google Scholar]
- TAMURA A., HIGASHI N. PURIFICATION AND CHEMICAL COMPOSITION OF MENINGOPNEUMONITIS VIRUS. Virology. 1963 Aug;20:596–604. doi: 10.1016/0042-6822(63)90284-8. [DOI] [PubMed] [Google Scholar]
- Tamura A., Manire G. P. Preparation and chemical composition of the cell membranes of developmental reticulate forms of meningopneumonitis organisms. J Bacteriol. 1967 Oct;94(4):1184–1188. doi: 10.1128/jb.94.4.1184-1188.1967. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Tamura A., Matsumoto A., Higashi N. Purification and chemical composition of reticulate bodies of the meningopneumonitis organisms. J Bacteriol. 1967 Jun;93(6):2003–2008. doi: 10.1128/jb.93.6.2003-2008.1967. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Tamura A., Matsumoto A., Manire G. P., Higashi N. Electron microscopic observations on the structure of the envelopes of mature elementary bodies and developmental reticulate forms of Chlamydia psittaci. J Bacteriol. 1971 Jan;105(1):355–360. doi: 10.1128/jb.105.1.355-360.1971. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Tribby I. I. Cell Wall Synthesis by Chlamydia psittaci Growing in L Cells. J Bacteriol. 1970 Dec;104(3):1176–1188. doi: 10.1128/jb.104.3.1176-1188.1970. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Zacharius R. M., Zell T. E., Morrison J. H., Woodlock J. J. Glycoprotein staining following electrophoresis on acrylamide gels. Anal Biochem. 1969 Jul;30(1):148–152. doi: 10.1016/0003-2697(69)90383-2. [DOI] [PubMed] [Google Scholar]