Sexuality and parasitism share common regulatory pathways in the fungus Parasitella parasitica

摘要: Abstract Parasitella parasitica , a facultative mycoparasite of zygomycetous fungi, forms cytoplasmic fusions with its hosts during infection. Thus, the organism is an efficient donor genetic material in parasexual host–parasite interactions. Recognition between parasite and host mediated by trisporoids, which are also responsible for sexual communication. The TDH gene one key enzymes trisporic acid biosynthesis, 4-dihydromethyl-trisporate dehydrogenase, was cloned transcription analysed. on 6175-bp insert found to map complex cluster genes that suggest post-transcriptional antisense regulation. Histochemical analysis developing parasitic or structures shows high enzymatic activity Parasitella. linked putative acyl-CoA thioesterase ( ACT ). Two ORF s were identified 5′-region gene, third one, coding 176 amino acids overlaps direction completely. Expression levels ORF1 depend