Isolation and identification of an epibiotic bacterium associated with heterocystous Anabaena cells.(biological research) From: The Biological Bulletin | Date: April 1, 2006| Author: | COPYRIGHT 2006 Marine Biological Laboratory. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Heterotrophic bacteria are commonly found in close associations with photosynthetic cyanobacteria in aquatic ecosystems. Some of these associations can be species-specific and mutualistic, resulting in optimal growth and nitrogen-fixing potential for the cyanobacteria. A two-membered culture, consisting of a heterotrophic, epibiotic bacterium attached to an Anabaena sp. was studied in the work reported here. The epibiotic bacterium was grown in pure culture, and both organisms were identified on the basis of their 16S rRNA gene sequence. The specificity of the epibiont for the ...

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