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Science 317 (5838): 584-

Copyright © 2007 by the American Association for the Advancement of Science

A Slimy Start for Immunity?

Mitch Leslie

On page 678 of this issue of Science, researchers report that slime molds deploy cells that combat pathogens, a discovery implying that specialized immune cells preceded the advent of multicellular organisms.

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Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882