The structure of the incompatibility factors of Schizophyllum commune: Constitution of the three classes of B factors |
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Authors: | Yair Parag and Yigal Koltin |
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Institution: | (1) Laboratory of Genetics, The Hebrew University, Jerusalem, Israel;(2) Department of Botany, University of Tel Aviv, Tel Aviv, Israel |
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Abstract: | Summary The B factors of Schizophyllum commune are of 3 classes: The high recombining class I has 7 alleles and 7 alleles; the low recombining classes are class II with 7 allels and probably 2 alleles and class III with probably 2 (or also 2) alleles and 7 allels. A fourth hypothetical class (-) was not found and either does not exist or is indistinguishable from class III by the tests employed. The and alleles differ from and by either (a) mutations affecting both mating specificity and recombination frequency, or (b) deletions involving most of the B region.The research was supported by a grant from the Atomic Energy Commission of the U.S. No. (30-1)-3875 and was performed at the Biological Laboratories, Harvard University, Cambridge, Mass., U.S.A. |
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