Bipolar Incompatibility in the Hymenomycete Polyporus palustris

Flexer, Abraham S.

doi:10.2307/2440817

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“…In unifactorial higher fungi, a single series of incompatibility factors determines mating competence. Relatively little information has been obtained from unifactorial species, and the only pertinent studies are those on Polyporus betulinus (10), P. palustris (18,19), Fomes cajanderi (49), and Sistotrema brinkmanni (43,44). In P. betulinus, the incompatibility factor (called A) has been shown to possess at least 28 natural specificities.…”

Section: Genetic Structure Of Unifactorial Incompatibilitymentioning

confidence: 99%

“…With as few as 10 specificities, the outbreeding potential reaches 90% (Table 6). To date, at least three estimates have been made of the number of specificities possessed by the incompatibility factor of unifactorial species: 28 for Polyporus betulinis (quoted in reference 63), 20 for P. palustris (18), and 33 for Fomes cajanderi (49). The outbreeding potential in each of these species thus exceeds 95%.…”

Section: Role Of the Incompatibilitymentioning

confidence: 99%

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Genetic structure and evolution of the incompatibility factors in higher fungi.

Koltin¹,

Stamberg²,

Lemke³

1972

Bacteriological Reviews

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INTRODUCTION .156 LIFE CYCLES AND SEXUAL PROGRESSION IN HIGHER FUNGI 156 SYSTEMS OF INCOMPATIBILITY .157 REGULATION OF SEXUAL PROGRESSION .158 GENETIC STRUCTURE OF BIFACTORIAL INCOMPATIBILITY .159 GENETIC STRUCTURE OF UNIFACTORIAL INCOMPATIBILITY 161 ORIGIN OF MULTIPLE ALLELIC INCOMPATIBILITY 161 ORIGIN OF TWO-LOCUS INCOMPATIBILITY FACTORS .164 ROLE OF THE INCOMPATIBILITY FACTORS IN CONTROLLING BREEDING .165 EVOLUTION OF THE INCOMPATIBILITY SYSTEMS .167 GLOSSARY .168 LITERATURE CITED .168 "Sexuality in the higher fungi is no more mystifying than elsewhere."

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