Electronic Resource
Oxford, UK
:
Blackwell Publishing Ltd
FEMS microbiology letters
236 (2004), S. 0
ISSN:
1574-6968
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Biology
Notes:
We report that colonial Escherichia coli cells on various solid media can develop modest genetic competence. Using an on-filter culture system, we found that E. coli colonies on CaCl2-containing agar were transformed in the presence of plasmid DNA. Interestingly, transformation also occurred on LB-agar, various moist foods and even on H2O-agar. These results suggest that some populations of colonial E. coli in various environments could become transformable regardless of the surrounding Ca2+ concentration.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1574-6968.2004.tb09627.x
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