Journal article

Genome analysis of the plant pathogenic ascomycete Leptosphaeria maculans; mapping mating type and host specificity loci.

AJ Cozijnsen, KM Popa, A Purwantara, BD Rolls, BJ Howlett

Mol Plant Pathol | Published : 2000

Abstract

Abstract A genetic and physical map has been developed for the loculoascomycete Leptosphaeria maculans, a pathogen of oilseed Brassicas. The genetic map was constructed from 58 F(1) progeny and comprises 155 amplified fragment length polymorphic (AFLP) markers, three random amplified polymorphic DNA (RAPD) markers, the mating type locus and a host specificity locus conferring the ability to form lesions on Brassica juncea. Twenty-one linkage groups, 5 pairs, and 18 unlinked markers were assigned, and the genome size was 1520 cM. Pulsed field gel electrophoresis experiments showed that the parental isolates each had 16 chromosomes and a genome size of about 33.5 Mb. Attempts to anchor a large..

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