COPYRIGHT YEAR

1994

AUTHORS

Henrik U. Stotz, John M. Labavitch, Alan B. Bennett, Ann L. T. Powell

TITLE

Glycoprotein Inhibitors of Fungal Polygalacturonases

ABSTRACT

Polygalacturonase inhibitor proteins (PGIPs) have been identified in many plants, including pear, tomato and bean, and have been suggested to contribute to host defense against fungal pathogens. PGIPs from various plant sources differ in their inhibition of polygalacturonases (PGs) from fungal pathogens. Based on inhibition selectivity of individual PGIPs, transgenic expression of heterologous PGIPs provides an experimental system in which PGIPs can be tested for enhancement of pathogen resistance. Sequence analysis of PGIP genes from pear, tomato and bean indicates that they share common structural features including leucine-rich repeat motifs that may play a role in the interaction between PGIPs and PGs and/or other ligands. Expression of the pear PGIP in transgenic tomato plants enhanced resistance to colonization by Botrytis cinerea, indicating that PGIP can contribute to host defenses when expressed in fruit.

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26 TRIPLES      23 PREDICATES      23 URIs      13 LITERALS

Subject Predicate Object
1 book-chapters:ea0fabdf37c2367afa2848f919ba847a sg:abstract Abstract Polygalacturonase inhibitor proteins (PGIPs) have been identified in many plants, including pear, tomato and bean, and have been suggested to contribute to host defense against fungal pathogens. PGIPs from various plant sources differ in their inhibition of polygalacturonases (PGs) from fungal pathogens. Based on inhibition selectivity of individual PGIPs, transgenic expression of heterologous PGIPs provides an experimental system in which PGIPs can be tested for enhancement of pathogen resistance. Sequence analysis of PGIP genes from pear, tomato and bean indicates that they share common structural features including leucine-rich repeat motifs that may play a role in the interaction between PGIPs and PGs and/or other ligands. Expression of the pear PGIP in transgenic tomato plants enhanced resistance to colonization by Botrytis cinerea, indicating that PGIP can contribute to host defenses when expressed in fruit.
2 sg:abstractRights OpenAccess
3 sg:bibliographyRights Restricted
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6 sg:copyrightHolder Springer Science+Business Media Dordrecht
7 sg:copyrightYear 1994
8 sg:ddsId Chap60
9 sg:doi 10.1007/978-94-011-0177-6_60
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17 sg:language En
18 sg:license http://scigraph.springernature.com/explorer/license/
19 sg:metadataRights OpenAccess
20 sg:pageFirst 399
21 sg:pageLast 402
22 sg:scigraphId ea0fabdf37c2367afa2848f919ba847a
23 sg:title Glycoprotein Inhibitors of Fungal Polygalacturonases
24 sg:webpage https://link.springer.com/10.1007/978-94-011-0177-6_60
25 rdf:type sg:BookChapter
26 rdfs:label BookChapter: Glycoprotein Inhibitors of Fungal Polygalacturonases
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