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Cited by 581

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Analysis of two novel classes of plant antifungal proteins from radish (Raphanus sativus L.) seeds.

Open access
Terras, F.R., Schoofs, H.M., De Bolle, M.F., Van Leuven, F, Rees, S.B., Vanderleyden, J, Cammue, B.P., Broekaert, W.F.·1992·Journal of Biological Chemistry

Abstract

Two novel classes of antifungal proteins were isolated from radish seeds. The first class consists of two homologous proteins (Rs-AFP1 and Rs-AFP2) that were purified to homogeneity. They are highly basic oligomeric proteins composed of small (5-kDa) polypeptides that are rich in cysteine. Both Rs-AFPs have a broad antifungal spectrum and are among the most potent antifungal proteins hitherto characterized. In comparison with many other plant antifungal proteins, the activity of the Rs-AFPs is less sensitive to the presence of cations. Moreover, their antibiotic activity shows a high degree of specificity to filamentous fungi. The amino-terminal regions of the Rs-AFPs show homology with the derived amino acid sequences of two pea genes specifically induced upon fungal attack, to gamma-thionins and to sorghum alpha-amylase inhibitors. The radish 2S storage albumins were identified as the second novel class of antifungal proteins. All isoforms inhibit growth of different plant pathogenic fungi and some bacteria. However, their antimicrobial activities are strongly antagonized by cations.

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Metadata

Authors
Terras, F. R., Schoofs, H. M., De Bolle, M. F., Van Leuven, F., Rees, S. B., Vanderleyden, J., Cammue, B. P., & Broekaert, W. F.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1992-08
Volume
267
Issue
22
Pages
15301-15309
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1484232481
Cited by
581
References
1
FWCI
10.78
Type
journal article
Language
en
Open access
hybrid

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Terras, F. R., Schoofs, H. M., De Bolle, M. F., Van Leuven, F., Rees, S. B., Vanderleyden, J., Cammue, B. P., & Broekaert, W. F. (1992). Analysis of two novel classes of plant antifungal proteins from radish (Raphanus sativus L.) seeds. Journal of Biological Chemistry. https://doi.org/10.1016/s0021-9258(19)49534-3

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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