Abstract
The carbohydrate component of Glycoprotein 2 (12% carbohydrate) from rye-grass (Lolium perenne) pollen has saccharide sequences that contribute to its antigenicity. Radioimmunoassay inhibition tests show that the antiserum to this glycoprotein cross-reacts with a number of other plant glycoproteins. In contrast, antiserum to another glycoprotein from rye-grass pollen, Glycoprotein 1 (5% carbohydrate), does not cross-react with any of the test glycoconjugates. Treatment of glycoproteins with sodium metaperiodate (0.02 M, 4 degree C, 6 h, in the dark) causes the loss of their ability to cross-react antigenically with Glycoprotein 2, and a loss of capacity to bind 125I-labelled concanavalin A. The cross-reactivity of this plant glycoprotein with other glycoconjugates imposes limitations on the interpretation of ultrastructural studies aimed at localizing a particular glycoprotein to a cellular site by using fluorescent or ferritin-labelled antisera. A radioimmunoassay inhibition technique for quantitative determination of the amounts of antigens in plants is also described.
Full text
PDFSelected References
These references are in PubMed. This may not be the complete list of references from this article.
- Basha S. M., Beevers L. Glycoprotein Metabolism in the Cotyledons of Pisum sativum during Development and Germination. Plant Physiol. 1976 Jan;57(1):93–97. doi: 10.1104/pp.57.1.93. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Christner J. E., Caterson B., Baker J. R. Immunological determinants of proteoglycans. Antibodies against the unsaturated oligosaccharide products of chondroitinase ABC-digested cartilage proteoglycans. J Biol Chem. 1980 Aug 10;255(15):7102–7105. [PubMed] [Google Scholar]
- Clarke J., Shannon L. M. The isolation and characterization of the glycopeptides from horseradish peroxidase isoenzyme C. Biochim Biophys Acta. 1976 Apr 14;427(2):428–442. doi: 10.1016/0005-2795(76)90186-0. [DOI] [PubMed] [Google Scholar]
- GOA J. A micro biuret method for protein determination; determination of total protein in cerebrospinal fluid. Scand J Clin Lab Invest. 1953;5(3):218–222. doi: 10.3109/00365515309094189. [DOI] [PubMed] [Google Scholar]
- Geoghegan K. F., Dallas J. L., Feeney R. E. Periodate inactivation of ovotransferrin and human serum transferrin. J Biol Chem. 1980 Dec 10;255(23):11429–11434. [PubMed] [Google Scholar]
- Gleeson P. A., Clarke A. E. Antigenic determinants of a plant proteoglycan, the Gladiolus style arabinogalactan-protein. Biochem J. 1980 Nov 1;191(2):437–447. doi: 10.1042/bj1910437. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Gleeson P. A., Clarke A. E. Structural studies on the major component of Gladiolus style mucilage, an arabinogalactan-protein. Biochem J. 1979 Sep 1;181(3):607–621. doi: 10.1042/bj1810607. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Howlett B. J., Clarke A. E. Isolation and partial characterization of two antigenic glycoproteins from rye-grass (Lolium perenne) pollen. Biochem J. 1981 Sep 1;197(3):695–706. doi: 10.1042/bj1970695. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Ishihara H., Takahashi N., Oguri S., Tejima S. Complete structure of the carbohydrate moiety of stem bromelain. An application of the almond glycopeptidase for structural studies of glycopeptides. J Biol Chem. 1979 Nov 10;254(21):10715–10719. [PubMed] [Google Scholar]
- Kabat E. A. The nature of an antigenic determinant. J Immunol. 1966 Jul;97(1):1–11. [PubMed] [Google Scholar]
- Kieda C. M., Bowles D. J., Ravid A., Sharon N. Lectins in lymphocyte membranes. FEBS Lett. 1978 Oct 15;94(2):391–396. doi: 10.1016/0014-5793(78)80985-5. [DOI] [PubMed] [Google Scholar]
- Lloyd K. O., Kabat E. A., Layug E. J., Gruezo F. Immunochemical studies on blood groups. XXXIV. Structures of some oligosaccharides produced by alkaline degradation of blood group A, B, and H substances. Biochemistry. 1966 May;5(5):1489–1501. doi: 10.1021/bi00869a007. [DOI] [PubMed] [Google Scholar]
- Pueppke S. G., Bauer W. D. Role of Lectins in Plant-Microorganism Interactions: II. Distribution of Soybean Lectin in Tissues of Glycine max (L.) Merr. Plant Physiol. 1978 May;61(5):779–784. doi: 10.1104/pp.61.5.779. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Romani M., Vidali G., Tahourdin C. S., Bustin M. Solid phase radioimmunoassay for chromosomal components. J Biol Chem. 1980 Jan 25;255(2):468–474. [PubMed] [Google Scholar]
- Simeral L. S., Kapmeyer W., MacConnell W. P., Kaplan N. O. On the role of the covalent carbohydrate in the action of ricin. J Biol Chem. 1980 Dec 10;255(23):11098–11101. [PubMed] [Google Scholar]
- Talbot C. F., Etzler M. E. Development and Distribution of Dolichos biflorus Lectin as Measured by Radioimmunoassay. Plant Physiol. 1978 May;61(5):847–850. doi: 10.1104/pp.61.5.847. [DOI] [PMC free article] [PubMed] [Google Scholar]