Reproductive isolation as a pleiotropic effect of copper tolerance in Mimulus guttatus?

Article metrics

Summary

A genetic system producing postmating reproductive isolation between two populations of Mimulus guttatus is described. In one population, Copperopolis, there is a single gene tightly linked to, or pleiotropic to, the gene for copper tolerance. In the other, Cerig-y-drudion, a limited number of genes are involved. The genes interact in a complementary manner to produce F1 inviability. These results suggest that reproductive isolation could evolve as a direct result of adaptive differentiation in sympatry.

References

  1. Allen, W R, and Sheppard, P M. 1971. Copper tolerance in some Californian populations of the monkey flower, Mimulus guttatus. Proc R Soc B, 177, 177–196.

  2. Barton, N H, and Hewitt, G M. 1981. The genetic basis of hybrid inviability in the grasshopper Podisma pedestris. Heredity, 47, 367–383.

  3. Carson, H L. 1978. Speciation and sexual selection in Hawaiian Drosophila. In Brussard, P. F. (ed.) Ecological Genetics: the interface, Springer-Verlag, pp. 93–107.

  4. Chu, Y E, and Oka, H I. 1972. The distribution and effects of genes causing F1 weakness in Oryza breviligulata and O. glaberrima. Genetics, 70, 163–173.

  5. Clarke, B C, and Murray, J J. 1969. Ecology, genetics, and speciation in land snails of the genus Partula. Biol J Linn Soc London 1, 31–42.

  6. Coyne, J A. 1974. The evolutionary origin of hybrid inviability. Evolution, 28, 505–506.

  7. Dobzhansky, T. 1936. Studies on hybrid sterility. II. Localization of sterility factors in Drosophila pseudoobscura hybrids. Genetics, 21, 113–135.

  8. Gerstel, D U. 1954. A new lethal combination in interspecific cotton hybrids. Genetics, 39, 628–639.

  9. Hermesen, J G T. 1963. The genetic basis of hybrid necrosis in wheat. Genetica, 33, 245–287.

  10. Hollingshead, L. 1930. A lethal factor in Crepis effective only in an interspecific hybrid. Genetics, 15, 114–140.

  11. Levin, D A. 1978. The origin of isolating mechanisms in flowering plants. Evol Biol 11, 185–317.

  12. MacNair, M R. 1983. The genetic control of Copper Tolerance in the Yellow Monkey flower, Mimulus guttatus. Heredity, 50, 283–293.

  13. McNeilly, T, and Antonovics, J. 1968. Evolution in closely adjacent plant populations. IV. Barriers to gene flow. Heredity, 23, 205–218.

  14. Mayr, E. 1970. Populations, Species and Evolution. Harvard Univ. Press, Cambridge, Mass.

  15. Melchers, G. 1939. Genetik und Evolution. Z i A V, 76, 229–259.

  16. Oka, H I. 1974. Analysis of genes controlling F1 sterility in rice by the use of isogenic lines. Genetics, 77, 521–534.

  17. Paterniani, E. 1969. Selection for reproductive isolation between two populations of maize, Zea mays L., Evolution, 23, 534–547.

  18. Patterson, J T, and Stone, W S. 1952. Evolution in the Genus Drosophila. Macmillan, New York.

  19. Prakash, S. 1972. Origin of reproductive isolation in the absence of apparent genic differentiation in a geographic isolate of Drosophila pseudoobscura. Genetics, 72, 143–155.

  20. Sano, Y, and Kita, F. 1978. Reproductive barriers distributed in Melilotus species and their genetic bases. Can J Genet Cytol 20, 275–289.

  21. Saunders, A P. 1952. Complementary lethal genes in the cowpea. S African J Sci, 48, 195–197.

  22. Stephens, S G. 1950. The genetics of “corky”. II. Further studies on its genetic basis in relation to the general problem of interspecific isolating mechanisms. J Genet, 50, 9–20.

  23. Thoday, J M, and Gibson, J B. 1962. Isolation by disruptive selection. Nature, 193, 1164–1166.

  24. Vickery, R K. 1979. Case studies in the evolution of species complexes in Mimulus. Evol Biol, 11, 405–507.

  25. Wiebe, G A. 1934. Complementary factors in barley giving a lethal progeny. J Hered 25, 273–274.

Download references

Author information

Rights and permissions

Reprints and Permissions

About this article

Cite this article

MacNair, M., Christie, P. Reproductive isolation as a pleiotropic effect of copper tolerance in Mimulus guttatus?. Heredity 50, 295–302 (1983) doi:10.1038/hdy.1983.31

Download citation

Further reading