DNA Amplification and Rearrangements in Archival Salmonella enterica Serovar Typhimurium LT2 Cultures-Reference-Cited by-同舟云学术

DNA Amplification and Rearrangements in Archival Salmonella enterica Serovar Typhimurium LT2 Cultures

Published:2004-03-15 Issue:6 Volume:186 Page:1678-1682
ISSN:0021-9193
Container-title:Journal of Bacteriology
language:en
Short-container-title:J Bacteriol

Author:

Porwollik Steffen¹,Wong Rita Mei-Yee¹,Helm R. Allen²,Edwards Kelly K.²,Calcutt Michael²³,Eisenstark Abraham²³,McClelland Michael¹

Affiliation:

1. Sidney Kimmel Cancer Center, San Diego, California 92121

2. Cancer Research Center, Columbia, Missouri 65201

3. University of Missouri, Columbia, Missouri 65211

Abstract

ABSTRACT Variations in genome size and gene order were observed in archival Salmonella enterica serovar Typhimurium cultures stored for over 40 years. In one strain, microarray analysis revealed a large, stable amplification. PCR analysis of the same strain revealed a genomic duplication that underwent a translocation. Other strains had smaller duplications and deletions. These results demonstrate that storage in stabs over time at room temperature not only allows for further bacterial growth but also may produce an environment that selects for a variety of mutations, including genomic rearrangements.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Link

https://journals.asm.org/doi/pdf/10.1128/JB.186.6.1678-1682.2004

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