A novel method of transfection of marine bacteria Pseudoalteromonas espejiana with deoxyribonucleic acid of bacteriophage PM2

A novel method of transfection of marine bacteria Pseudoalteromonas espejiana with... DNA of bacteriophage PM2 is a convenient test object for studying DNA-damaging genotoxic agents. The extent of DNA damage can be estimated by the ability of damaged DNA for transfection of host cells, marine bacterium Pseudoalteromonas espejiana (Pae), str. BAL-31. The efficiency of transfection of Pae lines maintained for long periods without freezing was found to be very low upon the use of a widely accepted transfection method developed by van der Schans et al. (1971). Such cultures grown in a medium with 10 mM Ca2+ standard for Pae contained cell aggregates and exopolymer material. Pae was found to be capable of growing in a medium without the calcium supplement in the presence of chelator EGTA (low-calcium medium, LCM). After growth in LCM, cells did not aggregate, cultures lacked the activity of nuclease BAL, and transfection efficiency of cells grown in LCM drastically increased. Based on these results, a novel procedure of transfection with an efficiency of 2 × 104−2 × 105 infectious centers per microgram of PM2 DNA was developed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

A novel method of transfection of marine bacteria Pseudoalteromonas espejiana with deoxyribonucleic acid of bacteriophage PM2

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795406070052
Publisher site
See Article on Publisher Site

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