1. Altschul S F, Gish W, Miller W, Myers E W, Lipman D J. Basic local alignment search tool. J Mol Biol. 1990;215:403–410. [PubMed] 2. An Z-Q, Siegel M R, Hollin W, Tsai H-F, Schmidt D, Schardl C L. Relationships among non-Acremonium sp. fungal endophytes in five grass species. Appl Environ Microbiol. 1993;59:1540–1548. [PMC free article] [PubMed] 3. Bowyer P, Clarke B R, Lunness P, Daniels M J, Osbourn A E. Host range of a plant pathogenic fungus determined by a saponin detoxifying enzyme. Science. 1995;267:371–374. [PubMed] 4. Bryan G T, Daniels M J, Osbourn A E. Comparison of fungi within the Gaeumannomyces-Phialophora complex by analysis of ribosomal DNA sequences. Appl Environ Microbiol. 1995;61:681–689. [PMC free article] [PubMed]
5. Chen W, Gray L E, Grau C R. Molecular differentiation of fungi associated with brown stem rot and detection of Phialophora gregata in resistant and susceptible soybean cultivars. Phytopathology. 1996;86:1140–1148.
6. Crombie L, Crombie W M L, Whiting D A. Isolation of avenacins A-1, A-2, B-1, B-2 from oat roots: structures of their ‘aglycones’, the avenestergenins. J Chem Soc Chem Commun. 1984;4:244–246.
7. Crombie W M L, Crombie L, Green J B, Lucas J A. Pathogenicity of ‘take-all’ fungus to oats: its relationship to the concentration and detoxification of the four avenacins. Phytochemistry. 1986;9:2075–2083.
8. Cullings K W, Vogler D R. A 5.8S nuclear ribosomal RNA gene sequence database: applications to ecology and evolution. Mol Ecol. 1998;7:919–923. [PubMed]
9. Deacon J W. Ecological implications of recognition events in the pre-infection stages of root pathogens. New Phytol. 1996;133:135–145.
10. Deacon J W, Mitchell R T. Toxicity of oat roots, oat root extracts, and saponins to zoospores of Pythium spp. and other fungi. Trans Br Mycol Soc. 1985;84:479–487.
11. Défago G, Kern H. Induction of Fusarium solani mutants insensitive to tomatine, their pathogenicity and aggressiveness to tomato fruits and pea plants. Physiol Mol Plant Pathol. 1983;22:29–37.
12. Défago G, Kern H, Sedlar L. Genetic analysis of tomatine insensitivity, sterol content and pathogenicity for green tomato fruits in mutants of Fusarium solani. Physiol Mol Plant Pathol. 1983;22:39–43.
13. Domsch K H, Gams W. Fungi in agricultural soils. London, England: Longman; 1972. . (English translation.)
14. Domsch K H, Gams W, Anderson T-H. Compendium of soil fungi. London, England: Academic Press; 1980.
15. Felsenstein J. Confidence limits on phylogenies: an approach using the bootstrap. Evolution. 1985;39:7843–7853.
16. Fenwick G R, Price K R, Tsukamoto C, Okubo K. Saponins. In: D’Mello J P F, Duffus C M, Duffus J H, editors. Toxic substances in crop plants. London, United Kingdom: The Royal Society of Chemistry; 1992. pp. 285–327.
17. Fry W E, Evans P H. Association of formamide hydrolase with fungal pathogenicity to cyanogenic plants. Phytopathology. 1977;67:1001–1006.
18. Harney S K, Rogers S O, Wang C J K. Molecular characterization of dematiaceous root endophytes. Mycol Res. 1997;101:1397–1404.
19. Hostettmann K, Marsten A. Saponins. Chemistry and pharmacology of natural products. Cambridge, United Kingdom: Cambridge University Press; 1995.
20. Jarošik V, Kováciková E, Maslowská H. The influence of planting location, plant growth stage and cultivars on microflora of winter wheat roots. Microbiol Res. 1996;151:177–182.
21. Jermyn M A. Some comparative properties of β-glucosidases secreted by fungi. Aust J Biol Sci. 1959;12:213–222.
22. Juhnke E, Mathre D E, Sands D C. Selective medium for Gaeumannomyces graminis var. tritici. Plant Dis. 1984;68:233–236.
23. Klimyuk V I, Carrol B J, Thomas C M, Jones J D G. Alkali treatment for rapid preparation of plant material for reliable PCR analysis. Plant J. 1993;3:493–494. [PubMed] 24. Maizel J V, Burkhardt H J, Mitchell H K. Avenacin, an antimicrobial substance isolated from Avena sativa. I. Isolation and antimicrobial activity. Biochemistry. 1964;3:424–431. [PubMed]
25. Osbourn A E, Clarke B R, Dow J M, Daniels M J. Partial characterisation of avenacinase from Gaeumannomyces graminis var. avenae. Physiol Mol Plant Pathol. 1991;38:301–312.
26. Osbourn A E, Clarke B R, Lunness P, Scott P R, Daniels M J. An oat species lacking avenacin is susceptible to infection by Gaeumannomyces graminis var. tritici. Physiol Mol Plant Pathol. 1994;45:457–467.
27. Poupard P, Simonet P, Cavelier N, Bardin R. Molecular characterization of Pseudocercosporella herpotrichoides isolates by amplification of ribosomal DNA internal transcribed spacers. Plant Pathol. 1993;42:873–881.
28. Price K R, Johnson I T, Fenwick G R. The chemistry and biological significance of saponins in food and feeding stuffs. Crit Rev Food Sci Nutr. 1987;26:27–133. [PubMed]
29. Robertson F A, Morgan W C. Effects of management history and legume green manure on soil microorganisms under ‘organic’ vegetable production. Aust J Soil Res. 1996;34:427–440.
30. Roddick J G, Drysdale R B. Destabilization of liposome membranes by the steroidal glycoalkaloid α-tomatine. Phytochemistry. 1984;23:9–25.
31. Rollo F, Sassaroli S, Ubaldi M. Molecular phylogeny of the fungi of the Iceman’s grass clothing. Curr Genet. 1995;28:289–297. [PubMed]
32. Roper M M, Gupta V V S R. Management practices and soil biota. Aust J Soil Res. 1995;33:321–339.
33. Rothrock C S. Influence of small grain rotations on take-all in a subsequent wheat crop. Plant Dis. 1991;75:1050–1052.
34. Schroth M N, Hildebrand D C. Influence of plant exudates on root-infecting fungi. Annu Rev Phytopathol. 1964;2:101–132.
35. Steel C S, Drysdale R B. Electrolytic leakage from plant and fungal tissues and disruption of liposome membranes by α-tomatine. Phytochemistry. 1988;27:1025–1030.
36. Sturz A V, Bernier C C. Fungal communities in winter wheat roots following crop rotations suppressive and nonsuppressive to take-all. Can J Bot. 1991;69:39–43.
37. Suleman P, Tohamy A M, Saleh A A, Madkour M A, Straney D C. Variation in sensitivity to tomatine and rishitin among isolates of Fusarium oxysporum f. sp. lycopersici, and strains not pathogenic to tomato. Physiol Mol Plant Pathol. 1996;48:131–144.
38. Turner E M. The nature of resistance of oats to the take-all fungus. J Exp Bot. 1953;4:264–271.
39. Turner E M. An enzymic basis for pathogen specificity. Nature. 1960;186:325–326. [PubMed]
40. Turner E M. An enzymatic basis for pathogen specificity in Ophiobolus graminis. J Exp Bot. 1961;12:169–175.
41. Vawter L. Evolution of blottoid insects and the small subunit ribosomal RNA gene. Ph.D. thesis. Ann Arbor: University of Michigan; 1991.
42. Wetzel H C, III, Dernoeden P H, Millner P D. Identification of darkly pigmented fungi associated with turfgrass roots by mycelial characteristics and RAPD-PCR. Plant Dis. 1996;80:359–364.
43. White T J, Bruns T, Lee S, Taylor J. Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics. In: Innis M A, Gelfand D H, Sninsky J J, White T J, editors. PCR protocols. A guide to methods and applications. San Diego, Calif: Academic Press; 1990. pp. 315–322.
44. Wilkinson H T, Cook R J, Allredge J R. Relation of inoculum size and concentration to infection of wheat roots by Gaeumannomyces graminis var. tritici. Phytopathology. 1985;75:98–103.
45. Wong P T W, Mead J A, Holley M P. Enhanced field control of wheat take-all using cold tolerant isolates of Gaeumannomyces graminis var. graminis and Phialophora sp. (lobed hyphopodia) Plant Pathol. 1996;45:285–293.