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Conidial anastomosis fusion between Colletotrichum species

Published online by Cambridge University Press:  19 October 2004

Maria Gabriela ROCA ,
Lisete C. DAVIDE ,
Livia M. C. DAVIDE ,
Maria C. MENDES-COSTA ,
Rosane F. SCHWAN  and
Alan E. WHEALS
Maria Gabriela ROCA
Affiliation:
Department of Biology, Universidade Federal de Lavras (UFLA), Lavras – MG 37-200 000, MG, Brazil. Department of Biology and Biochemistry, University of Bath, Bath BA2 7AY, UK. E-mail: bssaew@bath.ac.uk Present address: University of Edinburgh, ICMB-King's Building, Edinburgh EH9 3JG, UK.
Lisete C. DAVIDE
Affiliation:
Department of Biology, Universidade Federal de Lavras (UFLA), Lavras – MG 37-200 000, MG, Brazil.
Livia M. C. DAVIDE
Affiliation:
Department of Biology, Universidade Federal de Lavras (UFLA), Lavras – MG 37-200 000, MG, Brazil.
Maria C. MENDES-COSTA
Affiliation:
Department of Biology, Universidade Federal de Lavras (UFLA), Lavras – MG 37-200 000, MG, Brazil. Present address: UNILAVRAS, Rua Padre José Poggel 506, Lavras – MG 37200-000, Brazil.
Rosane F. SCHWAN
Affiliation:
Department of Biology, Universidade Federal de Lavras (UFLA), Lavras – MG 37-200 000, MG, Brazil.
Alan E. WHEALS
Affiliation:
Department of Biology, Universidade Federal de Lavras (UFLA), Lavras – MG 37-200 000, MG, Brazil. Department of Biology and Biochemistry, University of Bath, Bath BA2 7AY, UK. E-mail: bssaew@bath.ac.uk
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Abstract

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.

Type
Research Article
Information
Mycological Research , Volume 108 , Issue 11 , November 2004 , pp. 1320 - 1326
Copyright
© The British Mycological Society 2004

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