PT - JOURNAL ARTICLE AU - Raudaskoski, Marjatta AU - Stamberg, Judith AU - Bawnik, Nurit AU - Koltin, Y. TI - MUTATIONAL ANALYSIS OF NATURAL ALLELES AT THE <em>B</em> INCOMPATIBILITY FACTOR OF <em>SCHIZOPHYLLUM COMMUNE</em>: <em>α2</em> AND <em>β6</em> DP - 1976 Jul 30 TA - Genetics PG - 507--516 VI - 83 IP - 3 4099 - http://www.genetics.org/content/83/3/507.short 4100 - http://www.genetics.org/content/83/3/507.full SO - Genetics1976 Jul 30; 83 AB - The B incompatibility factor of the fungus Schizophyllum commune having allelic specificity α2–β6 was subjected to mutagenesis by X-irradiation. Five types of mutations were recovered, four of them new types previously unreported. All lead to loss of the B-factor regulatory function; three of the five have retained their allelic specificity. The mutations map in three closely linked sites: Bα, Bβ, and between Bα and Bβ.