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Science 316 (5829): 1296-1297

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

PLANT SCIENCE:
Infectious Heresy

J. Allan Downie

Not all symbiotic bacteria that fix nitrogen for legumes do so by secreting a specific nodule-initiating factor. Two strains use an alternative strategy.


The author is in the Department of Molecular Microbiology, John Innes Centre, Norwich NR4 7UH, UK. E-mail: allan.downie{at}bbsrc.ac.uk



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