Abstract
Genetic variation in 126 clones of the planktonic diatom,Fragilaria capucina, collected from seven lakes from Manitoba to Texas, was determined by RAPD analysis. Five primers yielded 48 scorable RAPD fragments in 123 unique combinations. Patterns of genetic variation were analysed by cluster analysis, which showed that most clones grouped together according to the site from which they were collected. This pattern in genetic variation may be a result of the geographically disjunct nature of these populations and/or the different environmental conditions, especially temperature, in the different lakes.
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Lewis, R.J., Jensen, S.I., DeNicola, D.M. et al. Genetic variation in the diatomFragilaria capucina (Fragilariaceae) along a latitudinal gradient across North America. Pl Syst Evol 204, 99–108 (1997). https://doi.org/10.1007/BF00982534
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DOI: https://doi.org/10.1007/BF00982534