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Expansins are among plant cell wall modifying agents specifically expressed during development of nematode-induced syncytia.
MedLine Citation:
PMID:  19704422     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Cyst nematodes are economically important pests. As obligatory biotrophic endoparasites they invade host roots and induce formation of syncytia, structures that serve them as the only source of nutrients. During syncytium development, extensive cell wall modifications take place. Cell wall dissolution occurs during cell wall opening formation, cell walls expand during hypertrophy of syncytial elements and local cell wall synthesis leads to the thickening of syncytial cell wall and the formation of cell wall ingrowths. Numerous studies revealed that nematodes change expression of plant genes encoding cell wall modifying proteins including expansins. Expansins poses unique abilities to induce cell wall extension in acidic pH. Recently, we demonstrated that two alpha-expansin genes LeEXPA4 and LeEXPA5 are upregulated in tomato roots infected with potato cyst nematode (Globodera rostochiensis). In this addendum, we present the most recent results concerning involvement of plant cell wall modifying genes in syncytium development and discuss possible practical applications of this knowledge for developing plants with resistance against nematodes.
Authors:
Sylwia Fudali; Miroslaw Sobczak; Slawomir Janakowski; Michaela Griesser; Florian Mw Grundler; Wladyslaw Golinowski
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Plant signaling & behavior     Volume:  3     ISSN:  1559-2324     ISO Abbreviation:  Plant Signal Behav     Publication Date:  2008 Nov 
Date Detail:
Created Date:  2009-08-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101291431     Medline TA:  Plant Signal Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  969-71     Citation Subset:  -    
Affiliation:
Department of Botany; Warsaw University of Life Sciences (SGGW); Warsaw Poland.
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