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PMID: 16578829 Published · ppublish English Journal Article

Several "pathogenesis-related" proteins in potato are 1,3-beta-glucanases and chitinases.

Proceedings of the National Academy of Sciences of the United States of America ·Vol. 85 ·No. 3 ·1988-02-00 ·Pages 782-6

Kombrink E, Schröder M, Hahlbrock K

Abstract

Chitinase {poly[1,4-(N-acetyl-beta-D-glucosaminide)]glycanohydrolase, EC 3.2.1.14} and 1,3-beta-glucanase (1,3-beta-D-glucan 3-glucanohydrolase, EC 3.2.1.6) activities increased rapidly in potato (Solanum tuberosum) leaves inoculated with the pathogenic fungus Phytophthora infestans or treated with fungal elicitor. The enzyme activities were resolved into a total of two distinct 1,3-beta-glucanases and six proteins with chitinase activity. By several criteria, all of these proteins are classified as "pathogenesis-related" proteins whose biochemical functions have so far been unknown. Some of them constitute a major portion of the proteins accumulating in the intercellular space of infected potato leaves and are assumed to play an important role in pathogen defense.

Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Kombrink E
Max-Planck-Institut für Züchtungsforschung, Abteilung Biochemie, D-5000 Köln 30, Federal Republic of Germany.
Schröder M
Hahlbrock K
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Article Info
Journal
Proceedings of the National Academy of Sciences of the United States of America
Abbr.
Proc Natl Acad Sci U S A
ISSN
0027-8424
DOI
10.1073/pnas.85.3.782
Published
1988-02-00
Pages
782-6
Language
English
Region
United States
NLM ID
7505876
PMCID
PMC279639
External Links
PubMed source DOI: 10.1073/pnas.85.3.782 PMC Full Text View journal details
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