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New perspectives on nitrogen-fixing microorganisms in tropical and subtropical oceans
J P Zehr1, E J Carpenter, T A Villareal
1Ocean Sciences Dept, University of California, 1156 High Street, Santa Cruz, CA 95064, USA. zehrj@cats.ucsc.edu
Trends in Microbiology
|February 9, 2000
Abstract:
New molecular and microscopic evidence indicates that the open ocean harbors a diverse range of novel free-living and symbiotic nitrogen-fixing microorganisms. Although the extent to which these microorganisms fix nitrogen is currently unclear, ongoing research indicates that they might make a substantial contribution to the open ocean nitrogen budget.