Reference Report for IND20481103
| Title: | Partial characterization of cytosolic superoxide dismutase activity in the interaction of Meloidogyne incognita with two cultivars of Glycine max. |
| Authors: | Vanderspool, M.C., Kaplan, D.T., McCollum, T.G., Wodzinski, R.J. |
| Source: | J. Nematol. 1994, 26(4):422-429 |
| Abstract: | The closely related soybean (Glycine max) cultivars Centennial and Pickett 71 were confirmed to be resistant and susceptible, respectively, to the root-knot nematode Meloidogyne incognita. Increases in superoxide dismutase (SOD) activity were detected in roots of both soybean cultivars 48 hours following inoculation. Superoxide dismutase activity increased in roots of the susceptible cultivar overall, but declined after 96 hours in roots of the resistant cultivar. The isoelectric points of SOD isolated from preparasitic and parasitic developmental stages of the nematode appeared to differ. The SOD activity increased dramatically as nematodes matured and enlarged. Plant and nematode SOD were present as ca. 40-kDa cuprozinc dimers. Initial increases in SOD activity in infected tissue appeared to involve nematode regulation of plant gene expression. However, as the nematode enlarged, SOD activity could be detected within the female body only. |
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