Biotrophy and rust haustoria

By K. Mendgen, C. Struck, R. Voegele, M. Hahn. 2000

95 citations recorded by the source corpus.

Haustoria produced by biotrophic fungi and Oomycetes are extensions into living host cells. However, they are not truly intracellular. They breach the cell wall only and a newly formed host plasma membrane (the extrahaustorial membrane) surrounds them, resulting in a close association of fungal and plant membranes only separated by a thin fungal wall and an extrahaustorial matrix. The extrahaustorial matrix is mainly of host origin. Heath and Skalamera [23] suggest that this interface is the site for translocation of nutrients and exchange of information. Two more aspects seem to be of utmost importance. First, the fungal haustorium must not be recognized as foreign by the host in order to avoid defence reactions. Second, the fungus should modify the host's metabolite ow to mal access to these resources.

Subfields: Molecular Biology, Plant Science

View Paper: https://www.semanticscholar.org/paper/7a97376768d2fb110f441d1a52b27e6c2248caa6

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1. R. Voegele
2. K. Mendgen

Citations in the corpus

• Nutrient uptake in rust fungi: how sweet is parasitic life? (2011, background): “However, while an exclusive localization of AAT2p (PIG2p) in haustoria could be shown, no transport activity could be detected (Mendgen et al. 2000).”