DNA-mediated transformation of the basidiomycete Coprinus cinereus. White collar-1, a central regulator of blue light responses in Neurospora, is a zinc finger protein. White collar proteins: PASsing the light signal in Neurospora crassa. thaliana encodes a protein with characteristics of a blue-light photoreceptor. Two elongationless variants were characterized histologically.Īhmad, M. Through screening of 2,696 isolates, 1,018 strains exhibited defects in fruiting and were classified into 8 groups: (1) knotless variants, which fail to form hyphal knots, the first visible sign of fruiting (2) primordiumless variants, which form hyphal knots but fail to develop fruit-body primordia (3) maturationless variants, which form fruit-body primordia but do not form mature fruit bodies (4) elongationless variants, which form mature fruit bodies with short stipes (5) expansionless variants, which form mature fruit bodies with unexpanded pilei (6) sporeless variants, which fail to produce black basidiospores, resulting in fruit bodies with white pilei after maturation (7) compound type, which includes variants exhibiting several of the phenotypes described above (8) others, including variants that produce a “dark stipe” even under in light/dark conditions, which is formed under continuous darkness in the wild-type. Developmental variants in fruiting of Coprinus cinereus were induced by mutagenizing oidia of the homokaryotic fruiting strain CopD5-12 with UV light.
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