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Positive effects of viruses?

Lesley Robertson l.a.robertson at tnw.tudelft.nl
Tue Sep 16 09:43:28 EST 2003

"Martin Weiss" <weissm at rockefeller.edu> wrote in message
> The public perception is that germs are bad and to be
> avoided. Most-about 1% of microorganisms-are not pathogenic. Most
> examples of beneficial or benign microorganisms are bacteria. What
> about viruses? Are there examples of viruses having a positive
> effect? Benign might be difficult to document.
What about the colour streaks in flowers - roses, tulips, that sort of
thing. Much/most of that is viral. Then there's the periodic attempts to use
bacteriophages to kill antibiotic-resistant bacteria (I think the Russians
have been doing a fair bit on that).

Don't forget all the beneficial fungi - antibiotic production, food
production, etc. Life without Saccharomyces cerevisiae would be sadder....
And then there's the blue cheeses! On our open days we put blue cheese under

Incidentally, I assume that 1% in your message is a typo?
Lesley Robertson

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