Linked Life Data

10420993

Source:http://linkedlifedata.com/resource/pubmed/id/10420993

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1999-9-13
pubmed:abstractText
Recent reports revealed that catalase has a role in the plant defense mechanism against a broad range of pathogens through being inhibited by salicylic acid (SA). During an effort to clone disease resistance-responsive genes, a cDNA encoding catalase (Ngcat1; Nicotiana glutinosa cat1) was isolated from a tobacco cDNA library. In N. glutinosa, catalase is encoded by a small gene family. The deduced amino acid sequence of the Ngcat1 cDNA has 98% homology with the cat1 gene of N. plumbaginifolia. The Ngcat1 expression is controlled by the circadian clock, and its mRNA level is the most abundant in leaves. Both the expression of Ngcat1 mRNA and its enzyme activity in the tobacco plant undergoing a hypersensitive response (HR) to TMV infection were repressed. The repression of the mRNA level was also observed following treatment with SA. These results imply that SA may act as an inhibitor of catalase transcription during the HR of tobacco. Cloning and expression of the Ngcat1 in tobacco following pathogen infection and SA treatment are presented.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
1016-8478
pubmed:author
pubmed:issnType
Print
pubmed:day
30
pubmed:volume
9
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
320-5
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1999
pubmed:articleTitle
Molecular cloning of a catalase cDNA from Nicotiana glutinosa L. and its repression by tobacco mosaic virus infection.
pubmed:affiliation
Plant Protectants Research Unit, Korea Research Institute of Bioscience and Biotechnology, Taejon, Korea.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't