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Infection and Immunity, July 2001, p. 4654-4656, Vol. 69, No. 7
0019-9567/01/$04.00+0   DOI: 10.1128/IAI.69.7.4654-4656.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

Normal IncA Expression and Fusogenicity of Inclusions in Chlamydia trachomatis Isolates with the incA I47T Mutation

Yvonne Pannekoek,1,* Arie van der Ende,1 Paul P. Eijk,1 Jan van Marle,2 Moniek A. de Witte,1 Jacobus M. Ossewaarde,3 Adriaan J. C. van den Brule,4 Servaas A. Morré,4 and Jacob Dankert1

Department of Medical Microbiology1 and Cell Biology and Histology, Section of Electron Microscopy,2 Academic Medical Center, University of Amsterdam, and Medical Center, Vrije Universiteit,4 Amsterdam, and Research Laboratory for Infectious Diseases, National Institute of Public Health and the Environment, Bilthoven,3 The Netherlands

Received 20 December 2000/Returned for modification 14 March 2001/Accepted 26 March 2001

To investigate the correlation between the incA I47T mutation in Chlamydia trachomatis and the nonfusogenic phenotype, the incA genes of 25 isolates were sequenced. Four major sequence types were identified. Seven isolates (28%) had the I47T mutation. Isolates representing the four sequence types expressed IncA in the membrane of one large single inclusion. In conclusion, the incA I47T mutation is not associated with the nonfusogenic phenotype.


* Corresponding author. Mailing address: Department of Medical Microbiology, Academic Medical Center, Room L1-162, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands. Phone: 31 20 5664862. Fax: 31 20 6979271. E-mail: y.pannekoek{at}amc.uva.nl.


Infection and Immunity, July 2001, p. 4654-4656, Vol. 69, No. 7
0019-9567/01/$04.00+0   DOI: 10.1128/IAI.69.7.4654-4656.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.



This article has been cited by other articles:

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  • Rockey, D. D., Viratyosin, W., Bannantine, J. P., Suchland, R. J., Stamm, W. E. (2002). Diversity within inc genes of clinical Chlamydia trachomatis variant isolates that occupy non-fusogenic inclusions. Microbiology 148: 2497-2505 [Abstract] [Full Text]