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Discontinuous expansion linked to sector formation in Pseudomonas aeruginosa colonies

Colonies of Pseudomonas aeruginosa exhibit sectors that were shown to be located at specific intervals within the colony. Maxima in the distribution of sectors were observed every 5 mm as measured from the center of the colony. These maxima correlated with changes in the expansion rates of colonies....

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Bibliographic Details
Published in:Archives of microbiology 1999-07, Vol.172 (1), p.59-62
Main Authors: GRONDIN, A, JARRELL, H. C, BERUBE, L. R
Format: Article
Language:English
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Summary:Colonies of Pseudomonas aeruginosa exhibit sectors that were shown to be located at specific intervals within the colony. Maxima in the distribution of sectors were observed every 5 mm as measured from the center of the colony. These maxima correlated with changes in the expansion rates of colonies. The absolute average number of sectors per colony was higher for colonies grown at higher temperatures. These results increase our understanding of colony pattern formation.
ISSN:0302-8933
1432-072X
DOI:10.1007/s002030050740