ArticleCurrent genetics1996
Molecular karyotype of the phytopathogenic fungus Sclerotinia sclerotiorum.
Article in Current genetics, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 20 citations in OpenAlex.
- Splitting Haploid Chromosomes into Different Nuclei: New Mechanisms of Adaptation in Fungi?Journal of fungi (Basel, Switzerland) · 2025Article
- Normal meiosis in the fungus Sclerotinia sclerotiorum despite the irregular distribution of haploid chromosomes between two nuclei.Nature communications · 2025Article
- A draft genome sequence of the rose black spot fungus Diplocarpon rosae reveals a high degree of genome duplication.PloS one · 2017Article
- Genomic analysis of the necrotrophic fungal pathogens Sclerotinia sclerotiorum and Botrytis cinerea.PLoS genetics · 2011Article
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Authors and funding
3 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Molecular techniques have been used to characterize different field isolates of Sclerotinia sclerotiorum, an ubiquitous phytopathogen. Chromosomal DNA resolved by pulsed-field gel electrophoresis (PFGE) revealed that S. sclerotiorum contains at least 16 chromosomes ranging from 1.5 Mb to 4.0 Mb. The size of the haploid genome was estimated to be 43.5 Mb. Six field isolates with different levels of virulence on sunflower germlings or green beans were differentiated by random amplification of polymorphic DNA (RAPD), and analysed by clamped homogeneous electric field electrophoresis. This analysis revealed few chromosome-length polymorphisms among these strains. Chromosomal DNA hybridization indicated that the endopolygalacturonase-encoding pg1 gene is localized on the smallest chromosome of all the strains, whereas the ribosomal DNA mapped to different-sized chromosomes. The less-aggressive strain was characterized by the presence of a supernumary small band, presumably consisting of dsRNA. In contrast to numerous other phytopathogenic fungi, this study reveals a strong karyotypic stability among the strains of S. sclerotiorum which may be preserved by the sexual mode of reproduction of this species
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