Abstract
Isolated metal-tolerant populations of Minuartia verna exhibit a remarkable amount of genetic polymorphism (P = 0.44). Different enzyme variants were fixed in different populations. No evidence was found for a genotype-environment relation for malate metabolizing enzymes and Zn-tolerant populations. An activation energy analysis of malate dehydrogenase did not support the concept of an adaptive strategy related to temperature between alpine and non-alpine populations.
No good evidence was found for a multilocus genotype association either. The pattern of isoenzyme distribution within and between populations could be explained only by long distance isolation and founder effects.
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Verkleij, J.A.C., Lugtenborg, T.F. & Ernst, W.H.O. The effect of geographical isolation on enzyme polymorphism of heavy-metal tolerant populations of Minuartia verna (L) Hiern.. Genetica 78, 133–143 (1988). https://doi.org/10.1007/BF00058845
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DOI: https://doi.org/10.1007/BF00058845