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Host-Pathogen Interactions: X. Fractionation and Biological Activity of an Elicitor Isolated from the Mycelial Walls of Phytophthora megasperma var. sojae
Open accessAbstract
An elicitor of phytoalexin production in soybean (Glycine max L.) tissues was isolated from purified Phytophthora megasperma var. sojae mycelial walls by a heat treatment similar to that used to solubilize the surface antigens from the cell walls of Saccharomyces cerevisiae. The wall-released elicitor is a discrete, minor portion of the P. megasperma var. sojae mycelial walls. The elicitor released from the mycelial walls was divided by diethylaminoethylcellulose and concanavalin A-Sepharose chromatography into four fractions, each having different chemical characteristics. The four fractions were obtained from each of the three races of P. megasperma var. sojae. The corresponding fractions from each of the three races are very similar in composition and elicitor activity. The results suggest that the elicitor activity of each fraction resides in the glucan component of the fraction. Evidence is presented to demonstrate that the elicitors are not race-specific and that the accumulation of glyceollin is not sufficient to account for race-specific resistance.
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Citations
Cited by
Oligosaccharins: structures and signal transduction
C�t�, F., & Hahn, M. G. (1994) · Plant Molecular Biology · doi:10.1007/bf00016481 · Cited by 386
Activation, Structure, and Organization of Genes Involved in Microbial Defense in Plants
Dixon, R. A., & Harrison, M. J. (1990) · Advances in Genetics · doi:10.1016/s0065-2660(08)60527-1 · Cited by 358
Hahn, M. G., Darvill, A. G., & Albersheim, P. (1981) · Plant Physiology · doi:10.1104/pp.68.5.1161 · Cited by 349
Self-citationMICROBIAL ELICITORS AND THEIR RECEPTORS IN PLANTS
Hahn, M. G. (1996) · Annual Review of Phytopathology · doi:10.1146/annurev.phyto.34.1.387 · Cited by 300
Sharp, J. K., Valent, B., & Albersheim, P. (1984) · Journal of Biological Chemistry · doi:10.1016/s0021-9258(18)90864-1 · Cited by 295
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Metadata
- Authors
- Ayers, A. R., Ebel, J., Valent, B., & Albersheim, P.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 1976-05-01
- Volume
- 57
- Issue
- 5
- Pages
- 760-765
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2062223689
- Cited by
- 362
- References
- 0
- FWCI
- 20.39
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: Host-Pathogen Interactions: X. Fractionation and Biological Activity of an Elicitor Isolated from the Mycelial Walls of Phytophthora megasperma var. sojae. https://app.cochat.ai/papers/10.1104/pp.57.5.760
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- Ayers, A. R., Ebel, J., Valent, B., & Albersheim, P. (1976). Host-Pathogen Interactions: X. Fractionation and Biological Activity of an Elicitor Isolated from the Mycelial Walls of Phytophthora megasperma var. sojae. Plant Physiology. https://doi.org/10.1104/pp.57.5.760
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