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A Quick DNA Test Seeks Out A Dangerous Bacteria That Lurk In Food

ccupied continuously or periodically emptying and cleaning it-to see which leads to most infection with Campylobacter. They are also trying to develop an even simpler test for the bug that could be used by farmers to detect and treat early infection.

But the key to preventing food poisoning with Campylobacter and many other bacteria, says Wesley, is preventing faecal contamination of meat. To this end, Mark Rasmussen of the NADC and his colleagues have developed a scanner that emits light at a wavelength that makes several bacteria found in cattle faeces fluoresce. Contaminated areas show up as green spots on the carcass, which can then be trimmed or cleaned.

Rasmussen says he is looking for a commercial partner to develop the scanner and produce a simpler, hand-held instrument.


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Contact: Claire Bowles
claire.bowles@rbi.co.uk
44-171-331-2751
New Scientist
24-Feb-1999


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