Conidial anastomosis fusion between Colletotrichum species

Colletotrichum lindemuthianum is a pathogen of the common bean plant (Phaseolus vulgaris) causing anthracnose. Large numbers of isolates can rapidly arise with different genetic and chromosomal compositions but their origin is unknown since sexual fruit bodies have only been found in the laboratory....

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Published inMycological research Vol. 108; no. 11; pp. 1320 - 1326
Main Authors ROCA, Maria Gabriela, DAVIDE, Lisete C., DAVIDE, Livia M. C., MENDES-COSTA, Maria C., SCHWAN, Rosane F., WHEALS, Alan E.
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 01.11.2004
Elsevier Ltd
Subjects
anastomosis
beans
Colletotrichum - cytology
Colletotrichum - physiology
Colletotrichum gossypii
Colletotrichum lindemuthianum
conidia
fungal anatomy
Genetic Variation
Hyphae - cytology
Hyphae - growth & development
molecular sequence data
nucleotide sequences
Phaseolus vulgaris
Plant Diseases - microbiology
Plant Leaves - microbiology
plant pathogenic fungi
Spores, Fungal - physiology
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Summary:Colletotrichum lindemuthianum is a pathogen of the common bean plant (Phaseolus vulgaris) causing anthracnose. Large numbers of isolates can rapidly arise with different genetic and chromosomal compositions but their origin is unknown since sexual fruit bodies have only been found in the laboratory. We have recently described the occurrence of special kinds of hyphae that create anastomoses directly between conidia. In this work we show that conidial anastomoses can occur between two different Colletotrichum species. The implications of this observation on the generation of genetic diversity in these species are discussed.
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ISSN:0953-7562
1469-8102
DOI:10.1017/S0953756204000838