Evidence for a multi-allelic heterokaryon incompatibility (het) locus detected by hybridization among three heterokaryon-compatibility (h-c) groups of Aspergillus nidulans.

Abstract excerpt

A strain of heterokaryon-compatibility (h-c) group A was crossed sexually to strains of h-cB and h-cGL of Aspergillus nidulans. A back-crossing programme established that there were seven hetero-allelic heterokaryon compatibility (het) genes controlling somatic incompatibility between strains of h-cA and h-cB. A similar back-crossing programme between strains of h-cA and h-cGL confirmed that these two groups...

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