Document Detail


An expanded genetic linkage map of an intervarietal Agaricus bisporus var. bisporusxA. bisporus var. burnettii hybrid based on AFLP, SSR and CAPS markers sheds light on the recombination behaviour of the species.
MedLine Citation:
PMID:  20026415     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A genetic linkage map for the edible basidiomycete Agaricus bisporus was constructed from 118 haploid homokaryons derived from an intervarietal A. bisporus var. bisporus x A. bisporus var. burnettii hybrid. Two hundred and thirty-one AFLP, 21 SSR, 68 CAPS markers together with the MAT, BSN, PPC1 loci and one allozyme locus (ADH) were evenly spread over 13 linkage groups corresponding to the chromosomes of A. bisporus. The map covers 1156cM, with an average marker spacing of 3.9cM and encompasses nearly the whole genome. The average number of crossovers per chromosome per individual is 0.86. Normal recombination over the entire genome occurs in the heterothallic variety, burnettii, contrary to the homothallic variety, bisporus, which showed adaptive genome-wide suppressed recombination. This first comprehensive genetic linkage map for A. bisporus provides foundations for quantitative trait analyses and breeding programme monitoring, as well as genome organisation studies.
Authors:
Marie Foulongne-Oriol; Cathy Spataro; Vincent Cathalot; Sarah Monllor; Jean-Michel Savoie
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-12-21
Journal Detail:
Title:  Fungal genetics and biology : FG & B     Volume:  47     ISSN:  1096-0937     ISO Abbreviation:  Fungal Genet. Biol.     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-02-15     Completed Date:  2010-03-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9607601     Medline TA:  Fungal Genet Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  226-36     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2009 Elsevier Inc. All rights reserved.
Affiliation:
Mycologie et S?curit? des Aliments, INRA, Centre de Recherche Bordeaux-Aquitaine, Villenave d'Ornon Cedex, France. mfoulong@bordeaux.inra.fr
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MeSH Terms
Descriptor/Qualifier:
Agaricus / genetics*
Amplified Fragment Length Polymorphism Analysis
Chimera / genetics
Chromosome Mapping*
Chromosomes, Fungal
Crosses, Genetic
DNA, Fungal / genetics
Evolution, Molecular
Genes, Mating Type, Fungal
Genetic Markers
Genome, Fungal
Genomics
Genotype
Karyotyping
Linkage (Genetics)*
Microsatellite Repeats
Models, Genetic
Phenotype
Polymorphism, Genetic
Recombination, Genetic*
Sequence Analysis, DNA
Chemical
Reg. No./Substance:
0/DNA, Fungal; 0/Genetic Markers

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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