MICROBIOLOGY:
The Pfiesteria Conundrum: More Study, Less Certainty
Jocelyn Kaiser
WOODS HOLE, MASSACHUSETTS--Questions about whether a microbe called Pfiesteria has caused massive fish kills on the U.S. East Coast have deepened. At a meeting here last month, two rival groups began discussing plans to figure out together why only one of them has found evidence that Pfiesteria produces a fish-killing toxin.