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Article

Alleles of Pto and Fen occur in bacterial speck-susceptible and fenthion-insensitive tomato cultivars and encode active protein kinases.

The Plant cell - 1 Jan 1997

Jia Y, Loh Y T, Zhou J, Martin G B

Abstract excerpt

The Pto gene was derived originally from the wild tomato species Lycopersicon pimpinellifolium and confers resistance to Pseudomonas syringae pv tomato strains expressing the avirulence gene avrPto. The Fen gene is also derived from L. pimpinellifolium and confers sensitivity to the insecticide fenthion. We have now isolated and characterized the alleles of Pto and Fen from cultivated tomato, L. esculentum, and...

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Identifiers

PMID: 9014365
DOI: 10.1105/tpc.9.1.61
PMCID: PMC156901

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Alleles of Pto and Fen occur in bacterial speck-susceptible and fenthion-insensitive tomato cultivars and encode active protein kinases.PMID 9014365Read ↗

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Molecular mechanisms involved in bacterial speck disease resistance of tomatoSemantic proximity Read ↗

The major site of the pti1 kinase phosphorylated by the pto kinase is located in the activation domain and is required for pto-pti1 physical interaction.Semantic proximity Read ↗

A patch of surface-exposed residues mediates negative regulation of immune signaling by tomato Pto kinase.Semantic proximity Read ↗

Tomato Prf is a member of the leucine-rich repeat class of plant disease resistance genes and lies embedded within the Pto kinase gene cluster.Semantic proximity Read ↗

Pto evolved from malectin-like RLKs phosphorylates AvrPtoB to promote Prf-mediated immunity in Solanum pimpinellifoliumSemantic proximity Read ↗

Natural variation in the Pto pathogen resistance gene within species of wild tomato (Lycopersicon). I. Functional analysis of Pto alleles.Semantic proximity Read ↗

Biochemical properties of two protein kinases involved in disease resistance signaling in tomato.Semantic proximity Read ↗

Use of a gene expression system based on potato virus X to rapidly identify and characterize a tomato Pto homolog that controls fenthion sensitivity.Semantic proximity Read ↗

Pto mutants differentially activate Prf-dependent, avrPto-independent resistance and gene-for-gene resistance.Semantic proximity Read ↗

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