Linked Life Data

8510663

Source:http://linkedlifedata.com/resource/pubmed/id/8510663

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1-2
pubmed:dateCreated
1993-7-15
pubmed:abstractText
The avrPto avirulence gene from Pseudomonas syringae pv. tomato (Pst) race 0 governs race-specific resistance to bacterial speck disease in tomato cultivars containing the Pto resistance gene. The avrPto gene encodes 0.7 and 0.75 kb mRNAs whose predicted translation product is a mostly hydrophilic 164 amino acid protein of 18.3 kD a that reveals no homology to protein sequences in GenBank or EMBL databases. Highest expression of avrPto in cell culture is observed in minimal media containing sugars and sugar alcohols as carbon sources and lowest expression in minimal media containing tricarboxylic acid intermediates and in complex media. Expression of avrPto in planta is induced within 1 h following infection of both resistant and susceptible tomato plants by Pst, and increases over the first 6 h. Transcription of avrPto requires the hrpSR pathogenicity functions, but is independent of other Pst hrp genes. A region of the avrPto promoter shows homology to hrp box sequences upstream of other P. syringae genes that require the hrpSR locus for expression, and both avirulence activity and avrPto mRNA accumulation are abolished by deletions extending into this region. The avrPto transcription start site maps 31 nucleotides downstream of the hrp box motif.
pubmed:commentsCorrections
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0026-8925
pubmed:author
pubmed:issnType
Print
pubmed:volume
239
pubmed:geneSymbol
avrPro, hrp
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
6-16
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Molecular characterization and hrp dependence of the avirulence gene avrPto from Pseudomonas syringae pv. tomato [corrected].
pubmed:affiliation
Department of Plant Pathology, University of California, Berkeley 94720.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, Non-P.H.S., Research Support, Non-U.S. Gov't