Diversity and distribution of Frankia strains symbiotic with Ceanothus in California.

ABSTRACT: Frankia strains symbiotic with Ceanothus present an interesting opportunity to study the patterns and causes of Frankia diversity and distribution within a particular host infectivity group. We intensively sampled Frankia from nodules on Ceanothus plants along an elevational gradient in the southern Sierra Nevada of California, and we also collected nodules from a wider host taxonomic and geographic range throughout California. The two sampling scales comprised 36 samples from eight species of Ceanothus representing six of the seven major biogeographic regions in and around California. The primary objective of this study was to use a quantitative model to test the relative importance of geographic separation, host specificity, and environment in influencing the identity of Ceanothus Franki

SUBMITTER: Oakley B 

PROVIDER: S-EPMC525117 | biostudies-literature | 2004 Nov

REPOSITORIES: biostudies-literature