Genetic variation among and within Monilinia species causing brown rot of stone and pome fruits

Nucleotide sequence analysis of the internal transcribed spacer (ITS) regions 1 and 2 of the ribosomal DNA (rDNA) divided the three brown rot pathogens Monilinia laxa, M. fructicola and M. fructigena into four distinct groups. Isolates of M. fructigena received from Japan, which varied by 5 base sub...

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Bibliographic Details
Published in:European journal of plant pathology 1999-08, Vol.105 (5), p.495-500
Main Authors: Fulton, C.E. (Queen's Univ. of Belfast (United Kingdom). Dept. of Applied Plant Science), Leeuwen, G.C.M. van, Brown, A.E
Format: Article
Language:English
Subjects:
Bacteria
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Fungal plant pathogens
Genes
Genetic diversity
Growth, nutrition, metabolism, transports, enzymes. Molecular biology
Laboratorium voor Fytopathologie
Laboratorium voor Phytopathologie
Laboratory of Phytopathology
MALUS
Microbiology
MONILINIA
Mycology
NUCLEOTIDE SEQUENCE
Pathology, epidemiology, host-fungus relationships. Damages, economic importance
PE&RC
Phytopathology. Animal pests. Plant and forest protection
PRUNUS
PYRUS
Ribosomal DNA
SECUENCIA NUCLEOTIDICA
SEQUENCE NUCLEOTIDIQUE
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Summary:Nucleotide sequence analysis of the internal transcribed spacer (ITS) regions 1 and 2 of the ribosomal DNA (rDNA) divided the three brown rot pathogens Monilinia laxa, M. fructicola and M. fructigena into four distinct groups. Isolates of M. fructigena received from Japan, which varied by 5 base substitutions in the ITS region from the European M. fructigena isolates, formed the fourth group. Four of five Japanese isolates of M. fructicola tested varied from the New World isolates in that they did not possess a group-I intron in the small subunit (SSU) rDNA. RAPD-PCR data indicated that isolates of M. laxa varied but were randomly distributed worldwide; ITS data indicated no apparent distinction between those from Malus spp. and those from Prunus spp. M. fructigena similarly did not cluster according to geographic origin. In contrast, M. fructicola isolates tended to be clustered according to their origin; Japanese isolates of M. fructicola clustered together and showed similarity to some of the New Zealand isolates. Isolates from USA and Australia were more variable.[PUBLICATION ABSTRACT]
ISSN:0929-1873
1573-8469
DOI:10.1023/A:1008711107347