Abstract
A hallmark of biotrophy in many fungal plant pathogens is the formation of a specialized pathogenic structure called the haustorium from infectious hyphae. This is the major parasitic structure, where nutrients are taken up from the host and pathogenicity factors are exported to the host tissue. Obligate biotrophic fungi can typically be cultured in vivo only to a limited extent and do not produce haustoria under these conditions. This has hampered the application of classic molecular biology techniques to haustoria-forming pathogens. The lectin Concanavalin A (Con A), which binds specifically to sugars present on the exterior of rust haustoria, was first used in a column-based affinity purification procedure in 1992 (Hahn and Mendgen, Protoplasma 170:95–103, 1992). Here we describe a new technique where we combine initial gradient purification of haustoria with flow-sorting based on labeling of haustoria with fluorescent Con A. Our method allows haustorial isolation with purity above 98 % and yields ten times more isolated haustoria in a single experiment than the previous procedure.
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References
Szabo LJ, Bushnell WR (2001) Hidden robbers: the role of fungal haustoria in parasitism of plants. Proc Natl Acad Sci USA 98:7654–7655
Micali CO, Neumann U, Grunewald D, Panstruga R, O’Connell R (2011) Biogenesis of a specialized plant–fungal interface during host cell internalization of Golovinomyces orontii haustoria. Cell Microbiol 13:210–226
Heath MC (1997) Signalling between pathogenic rust fungi and resistant or susceptible host plants. Ann Bot Lond 80:713–720
Voegele RT, Mendgen K (2003) Rust haustoria: nutrient uptake and beyond. New Phytol 159:93–100
Stergiopoulos I, de Wit PJGM (2009) Fungal effector proteins. Annu Rev Phytopathol 47:233–263
Kemen E, Kemen AC, Rafiqi M, Hempel U, Mendgen K, Hahn M, Voegele RT (2005) Identification of a protein from rust fungi transferred from haustoria into infected plant cells. Mol Plant Microbe Interact 18:1130–1139
Rafiqi M, Gan P, Ravensdale M, Lawrence G, Ellis J, Jones D, Hardham A, Dodds PN (2010) Internalization of flax rust avirulence proteins into flax and tobacco cells can occur in the absence of the pathogen. Plant Cell 22(6):2017–2032
Hahn M, Mendgen K (1992) Isolation by cona binding of haustoria from different rust fungi and comparison of their surface qualities. Protoplasma 170:95–103
Catanzariti AM, Dodds PN, Lawrence GJ, Ayliffe MA, Ellis JG (2006) Haustorially expressed secreted proteins from flax rust are highly enriched for avirulence elicitors. Plant Cell 18:243–256
Dekhuijzen HM (1966) The isolation of haustoria from cucumber leaves infected with powdery mildew. Netherlands J Plant Pathol 72:1–11
Manners JM, Gay JL (1977) The morphology of haustorial complexes isolated from apple, barley, beet and vine infected with powdery mildews. Physiol Plant Pathol 11:261–262
Takahara H, Dolf A, Endl E, O’Connell R (2009) Flow cytometric purification of Colletotrichum higginsianum biotrophic hyphae from Arabidopsis leaves for stage-specific transcriptome analysis. Plant J 59:672–683
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Garnica, D.P., Rathjen, J.P. (2014). Purification of Fungal Haustoria from Infected Plant Tissue by Flow Cytometry. In: Birch, P., Jones, J., Bos, J. (eds) Plant-Pathogen Interactions. Methods in Molecular Biology, vol 1127. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-62703-986-4_8
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DOI: https://doi.org/10.1007/978-1-62703-986-4_8
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Publisher Name: Humana Press, Totowa, NJ
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