ORCID Profile
0000-0003-4071-4457
Current Organisations
The University of Auckland
,
New Zealand Institute for Plant and Food Research Ltd
,
The New Zealand Institute for Plant & Food Research Limited
,
Wageningen University
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Publisher: Springer Science and Business Media LLC
Date: 21-01-2010
Publisher: Springer Science and Business Media LLC
Date: 13-03-2019
Publisher: Public Library of Science (PLoS)
Date: 03-04-2014
Publisher: Wiley
Date: 16-09-2003
Publisher: Scientific Societies
Date: 11-2019
DOI: 10.1094/MPMI-03-19-0067-A
Abstract: Venturia nashicola, the cause of scab disease of Asian pears, is a host-specific, biotrophic fungus. It is restricted to Asia and is regarded as a quarantine threat outside this region. European pear displays nonhost resistance (NHR) to V. nashicola and Asian pears are nonhosts of V. pyrina (the cause of European pear scab disease). The host specificity of these two fungi is likely governed by differences in their effector arsenals, with a subset hypothesized to activate NHR. The Pyrus-Venturia pathosystem provides an opportunity to dissect the underlying genetics of nonhost interactions in this potentially more durable form of resistance. The V. nashicola genome will enable comparisons to other Venturia spp. genomes to identify effectors that potentially activate NHR in the pear scab pathosystem.
Publisher: Springer Science and Business Media LLC
Date: 2005
Publisher: Wiley
Date: 26-08-2011
Publisher: Wiley
Date: 11-03-2005
DOI: 10.1111/J.1469-8137.2005.01395.X
Abstract: The wild apple (Malus sieversii) is a large-fruited species from Central Asia, which is used as a source of scab resistance in cultivar breeding. Phytopathological tests with races of Venturia inaequalis were performed to differentiate scab-resistance genes in Malus as well as an avirulence gene in the pathogen. A novel gene-for-gene interaction between V. inaequalis and Malus was identified. The locus of the scab-resistance gene Vh8 is linked with, or possibly allelic to, that of the Vh2 gene in Malus pumila Russian apple R12740-7A, at the lower end of linkage group 2 of Malus. Race 8 isolate NZ188B.2 is compatible with Vh8, suggesting the loss or modification of the complementary AvrVh8 gene, while isolate 1639 overcomes both Vh2 and Vh8, but is incompatible with at least one other gene not detected by any of the other race isolates tested. Our research is the first to differentiate scab-resistance genes in a putative gene cluster in apple with the aid of races of V. inaequalis.
Publisher: Annual Reviews
Date: 08-09-2011
DOI: 10.1146/ANNUREV-PHYTO-072910-095339
Abstract: The apple scab (Venturia inaequalis–Malus) pathosystem was one of the first systems for which Flor's concept of gene-for-gene (GfG) relationships between the host plant and the pathogen was demonstrated. There is a rich resource of host resistance genes present in Malus germplasm that could potentially be marshalled to confer durable resistance against this most important apple disease. A comprehensive understanding of the host-pathogen interactions occurring in this pathosystem is a prerequisite for effectively manipulating these host resistance factors. An accurate means of identification of specific resistance and consistent use of gene nomenclature is critical for this process. A set of universally available, differentially resistant hosts is described, which will be followed by a set of defined pathogen races at a later stage. We review pertinent aspects of the history of apple scab research, describe the current status and future directions of this research, and resolve some outstanding issues.
Location: New Zealand
Location: New Zealand
No related grants have been discovered for Vincent Bus.