Early colonization of the rat upper respiratory tract by temperature modulated Bordetella bronchiseptica
Journal Title: | FEMS microbiology letters 1999, Vol.174(2), pp.225-229 |
Main Author: | Brockmeier, Susan L |
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ID: | ISSN: 0378-1097 ; E-ISSN: 1574-6968 ; DOI: 10.1016/S0378-1097(99)00143-3 |
Link: | http://dx.doi.org/10.1016/S0378-1097(99)00143-3 |
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recordid: | elsevier_sdoi_10_1016_S0378_1097_99_00143_3 |
title: | Early colonization of the rat upper respiratory tract by temperature modulated Bordetella bronchiseptica |
format: | Article |
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ispartof: | FEMS microbiology letters, 1999, Vol.174(2), pp.225-229 |
description: | The ability of nonmodulated Bvg + phase cultures, temperature modulated Bvg − phase cultures, and a Bvg − phase-locked mutant of Bordetella bronchiseptica to colonize the rat upper respiratory tract was investigated. Initially, greater numbers of the temperature modulated Bvg − phase bacteria adhered to the nasal cavity of the rats. The temperature modulated Bvg − phase bacteria appeared to be quickly cleared to levels lower than the Bvg + phase bacteria by 4 h after inoculation and stayed lower until 48 h after inoculation when colonization levels were equal to the Bvg + phase bacteria. The level of colonization with the Bvg − phase-locked mutant of B. bronchiseptica was lower than both the nonmodulated Bvg + phase and temperature modulated Bvg − phase cultures and declined over time during the experiment. These findings suggest that there may be increased adherence from an environmental phase to ensure bacteria survive initial clearance... |
language: | eng |
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identifier: | ISSN: 0378-1097 ; E-ISSN: 1574-6968 ; DOI: 10.1016/S0378-1097(99)00143-3 |
fulltext: | fulltext |
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