Conidial anastomosis tubes in filamentous fungi

M. Gabriela Roca, Nick D. Read, Alan E. Wheals

    Research output: Contribution to journalArticlepeer-review


    Conidial anastomosis tubes (CATs) can be recognized in 73 species of filamentous fungi covering 21 genera, and develop in culture and in host-pathogen systems. They have been shown to be morphologically and physiologically distinct from germ tubes in Colletotrichum and Neurospora, and under separate genetic control in Neurospora. CATs are short, thin, usually unbranched and arise from conidia or germ tubes. Their formation is conidium-density dependent, and CATs grow towards each other. MAP kinase mutants of Neurospora are blocked in CAT induction. Nuclei pass through fused CATs and are potential agents of gene exchange between individuals of the same and different species. CAT fusion may also serve to improve the chances of colony establishment. © 2005 Federation of European Microbiological Societies. Published by Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)191-198
    Number of pages7
    JournalFEMS microbiology letters
    Issue number2
    Publication statusPublished - 15 Aug 2005


    • Colletotrichum
    • Conidia
    • Gene transfer
    • Hyphal fusion
    • Incompatibility
    • Neurospora


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