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Microscopic observation of perfect hyphal fusion in Rhizoctonia solani

Published online by Cambridge University Press:  01 April 1999

PATRICIA M. MCCABE ,
MAURICE P. GALLAGHER  and
JAMES W. DEACON
PATRICIA M. MCCABE
Affiliation:
Institute of Cell and Molecular Biology, Darwin Building, The University of Edinburgh, Mayfield Road, Edinburgh, EH9 3JG, Scotland, U.K. Current address: Department of Plant Pathology and Microbiology, Texas A & M University, College Station, TX 77840 U.S.A.
MAURICE P. GALLAGHER
Affiliation:
Institute of Cell and Molecular Biology, Darwin Building, The University of Edinburgh, Mayfield Road, Edinburgh, EH9 3JG, Scotland, U.K.
JAMES W. DEACON
Affiliation:
Institute of Cell and Molecular Biology, Darwin Building, The University of Edinburgh, Mayfield Road, Edinburgh, EH9 3JG, Scotland, U.K.
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Abstract

Anastomoses between hyphae, leading to both successful cell fusions and death of fused cells (vegetative incompatibility) were observed by video microscopy. Anastomosis was seen only to occur between tip cells from side branches, never main runner hyphae, and tip to side fusion was never observed. Perfect hyphal fusion was only observed following pre-contact tropism between the hyphae involved. The time taken for the process of cell wall dissolution and reformation following contact was 15 min.

Type
Research Article
Information
Mycological Research , Volume 103 , Issue 4 , April 1999 , pp. 487 - 490
Copyright
The British Mycological Society 1999

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