Dear list:
A colleague whom I respect recently drew my attention to the following article, which explains the mechanism and cross-bacterial transfer of silver resistance genes among bacteria. http://www.wwdmag.com/Coping-with-Resistance-to-Copper-Silver-Disinfection-a rticle2768 The bottom of the website page lists some microorganisms known to be resistant not only to silver, but also to copper (commonly used in hot tubs and swimming pools): Escherichia coli bacteria Cu Klebsiella pneumoniae bacteria Cu & Ag Legionella pneumophilia bacteria Cu & Ag Salmonella sp. bacteria Ag Vibrio cholerae bacteria Cu & Ag Candida albicans yeast Cu Saccharomyces cerevisiae yeast Cu & Ag Hartmenella vermiformis protozoa Cu & Ag Tetrahymena pyriformis protozoa Cu & Ag Paramecium sp. protozoa Cu & Ag Amoeba sp. protozoa Cu & Ag My colleague also did a search for "silver resistance" on PubMed. Article 12829274 mentions that in 2003, the E. coli strain O157:H7 was found to have silver resistance genes in its genome. Are there any ways in which the studies showing microbial resistance to silver could be flawed? I'd hate to see the preventive, or even more restrained, use of CS create silver-resistant microorganisms. I welcome informed input. Nenah Nenah Sylver, PhD author: The Rife Handbook of Frequency Therapy (2009), now available in HARDCOVER & The Holistic Handbook of Sauna Therapy <http://www.nenahsylver.com> www.nenahsylver.com

