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Gessler, Cesare, Prof.
Projects
Leader
Avirulence genes of the apple scab fungus Venturia inaequalisExotic strains of Phytophthora infestans in the Andes - genetically isolated curiosities or time bombs for native Solanaceous crops?
Genetic modified apple resistant to apple scab
Genetically modified apples resistant to scab containing only apple own DNA
Identification of candidate genes involved in fire blight resistance
Publications
2012
The future of GM crops (interview with C. Gessler)Existence of different physiological forms within genetically diverse strains of Ampelomyces quisqualis
2011
Fine mapping of fire blight resistance locus in Malus x robusta 5 on linkage group 3Plasmopara viticola: a review of knowledge on downy mildew of grapevine and effective disease management
2011 author
Genetic mapping of 14 avirulence genes in an EU-B04 x 1639 progeny of Venturia inaequalis2010
The RVi15 (Vr2) apple scab resistance locus contains three TIR-NBS-LRR genesSelection of a biocontrol agent based on a potential mechanism of action: degradation of nicotinic acid, a growth factor essential for Erwinia amylovora
Response of 'Merlot' (Vitis vinifera grapevine to defoliation caused by downy mildew (Plasmopara viticola) during the following growing season
Quantitative effect of leaf damage caused by downy mildew (Plasmopara viticola) on growth and yield quality of grapevine 'Merlot' (Vitis vinifera)
Quantification of the influence of the downy mildew (Plasmopara viticola) epidemics on the compensatory capacities of Vitis vinifera 'Merlot' to limit the qualitative yield damage
Phenotypic characterization of the Rvi15 (Vr2) apple scab resistance
Microsatellite based population structure of Plasmopara viticola at single vine scale
Mapping of quantitative trait loci for fire blight resistance in the apple cultivars "Florina" and "Nova Easygro"
Mapping and functional analysis of four apple receptor-like protein kinases related to LRPKm1 in HcrVf2-transgenic and wild-type apple plants
Influence of Plasmopara viticola on gas exchange parameters on field-grown Vitis vinifera 'Merlot'
How transgenic and classical bred apple genotypes affect non-target organisms on higher trophic levels
High-resolution genetic map of the Rvi15 (Vr2) apple scab resistance locus
Development and evaluation of a warning model for the optimal use of copper in organic viticulture
Comparison between volatile emissions from transgenic apples and from two representative classical bred apple cultivars
Armillaria mellea induces a set of defense genes in grapevine roots and one of them codifies a protein with antifungal activity
2009
Terpene-mediated parasitoid host location behavior on transgenic and classically bred apple genotypesQuantitative trait locus mapping of resistance in apple to Cydia pomonella and Lyonetia clerkella and two selected fruit traits
Proton transfer reaction-mass spectrometry analysis is a valuable tool for the identification of genomic regions related to volatile organic compounds
Identification and validation of QTLs linked to fire blight resistance in Malus and their applicability in marker-assisted selection
Highly scab-resistant transgenic apple lines achieved by introgression of HcrVf2 controlled by different native promoter lengths
Genetic diversity of Armillaria spp. infecting highbush blueberry in northern Italy (Trentino region)
Genetic analysis of the downy mildew of grapevine (Plasmopara viticola) populations
Expression of candidates AvrVg genes during apple scab infection
Development of a set of apple SSRs Markers spanning the apple genome, genotyping of HiDRAS plant material and validation of genotypic data
Development and test of 21 multiplex PCRs composed of SSRs spanning most of the apple genome
Determination and confirmation of nicotinic acid and its analogues and derivates in pear and apple blossoms using high-performance liquid chromatography-diode array-electrospray ionization mass spectrometry
A proposal for the nomenclature of Venturia inaequalis races
HcrVf paralogs are present on linkage groups 1 and 6 of Malus
2008
Selection for fungicide resistance throughout a growing season in populations of Plasmopara viticolaQTL analysis for aphid resistance and growth traits in apple
Development and test of 21 multiplex PCRs composed of SSRs spanning most of the apple genome
2007
Quantification of the biocontrol agent Pseudomonas fluorescens Pf153 in soil using a quantitative competitive PCR assay unaffected by variability in cell lysis- and DNA-extraction efficiencyMicrosatellite-based characterization of the Castanea sativa cultivar heritage of sothern Switzerland
Evidence for sporangial dispersal leading to a single infection event and a sudden high incidence of grapevine downy mildew
Development of molecular markers linked to the 'Fiesta' linkage group 7 major QTL for fire blight resistance and their application for marker-assisted selection
Construction of a contig of BAC clones spanning the region of the apple scab avirulence gene AvrVg
2006
The use of know-how on the interaction between grapevine and pests or diseases to improve integrated protection strategiesQTL mapping of fire blight resistance in apple
Particular structure of Plasmopara viticola populations evolved under Greek island conditions
Microsatellite markes spanning the apple (Malus x domestica Borkh.) genome
Mapping of the apple scab-resistance gene Vb
Genetic mapping of the pear scab resistance gene Vnk of Japanese pear cultivar Kinchaku
Evaluation of in-vitro grown apple shoot sensitivity to Venturia inaequalis using a detached leaf assay
Durable disease resistance and high fruit quality, a challenge for apple breeding
Disease dynamics and genetic variability of Plasmopara viticola in three untreated vineyards
Blackrot on the hybrid vitis cultivar Isabella
Venturia inaequalis resistance in apple
2005
QTL mapping of volatile compounds in ripe apples detected by proton transfer reaction-mass spectrometryIdentification of functional apple scab resistance gene promoters
Identification by genome scanning approach (GSA) of a microsatellite tightly associated with the apple scab resistance gene Vm
Development of a high-throughput method for quantification of Plasmopara viticola DNA in grapevine leaves by means of quantitative real-time polymerase chain reaction
Detection of the fire blight biocontrol agent Bacillus subtilis BD170 (Biopro (R)) in a Swiss apple orchard
2004
Vr(2): a new apple scab resistance geneThe HcrVf2 gene from a wild apple confers scab resistance to a transgenic cultivated variety
Molecular markers linked to the apple scab resistance gene Vbj derived from Malus baccata jackii
Isolation of two microsatellite markers from BAC clones of the Vf scab resistance region and molecular characterization of scab-resistant accessions in Malus germplasm
Genetic dissection of Plasmopara viticola population from a Greek vineyard in two consecutive years
2003
Transferability of olive microsatellite loci across the genus OleaProgress of map-based cloning of the Vf-resistance gene and functional verification: Preliminary results from expression studies in transformed apple
Mapping quantitative physiological traits in apple (Malus x domestica Borkh.)
Mapping quantitative field resistance against apple scab in a 'Fiesta' x 'Discovery' progeny
Identification of microsatellite markers for Plasmopara viticola and establishment of high throughput method for SSR analysis
Genetic structure of a Plasmopara viticola population in an isolated italian mountain vineyard
Creating a saturated reference map for the apple (Malus x domestica Borkh.)
2002
Development and characterisation of 140 new microsatellites in apple (Malus x domestica Borkh.)2001
Strain-specific microsatellite markers in the entomopathogenic fungus Beauveria brongniartiiParasitic and biological fitness of Venturia inaequalis: Relationship to disease management strategies
Apple contains receptor-like genes homologous to the Cladosporium fulvum resistance gene family of tomato with a cluster of genes cosegregating with Vf apple scab resistance
2000
Virulence pattern of Venturia inaequalis field isolates and corresponding differential resistance in Malus x domesticaSSR analysis of apple scab lesions
Genetic diversity of the apple mildew fungus Podosphaera leucotricha: DNA-markers give surprising results, artefacts or relevant role of sexuality?
DNA-technologies in the creation of disease resistant apple cultivars: Conventional breeding assisted by markers and gene-therapy
Advances in marker-assisted apple breeding
1999
Vinemilde: an application-oriented model of Plasmopara viticola epidemics on Vitis viniferaTowards the map-based cloning of Vf: fine and physical mapping of the Vf Region
Identification of microsatellite markers and their application to population genetics of Venturia inaequalis
Genetic diversity of Venturia inaequalis across Europe
Development of reliable PCR markers for the selection of the Vf gene conferring scab resistance in apple
Construction of a 550 kb BAC contig spanning the genomic region containing the apple scab resistance gene Vf
1998
Simple sequence repeats for the genetic analysis of applePrimary infections of Plasmopara viticola: should we revise our ideas about the quantitative relevance of oospores?
Inheritance of virulence of Venturia inaequalis toward Malus x domestica cultivars
Genetic analysis of a cross of two Venturia inaequalis strains that differ in virulence
1997
Subdivision and genetic structure of four populations of Venturia inaequalis in SwitzerlandMolecular markers to apple breeding and map-based cloning of resistance genes
Comparison of population structure of Venturia inaequalis in four orchards and one single tree
1996
Molecular selection in apple for resistance to scab caused by Venturia inaequalisEpidemiology and control of grape black rot in southern Switzerland
Assessment of technical impact of transgenic disease resistant apples and grapevines
1995
Development of EPIVIT, a simultation model for contact transmitted and aphid transmitted potato virusesCharacterization of the virus x temperature interaction in secondarily infected potato plants using EPIVIT
1994
Towards a marker assisted breeding for resistance against apple scabSpecific virulence of isolates of Venturia inaequalis on "susceptible" apple cultivars
First experiences with an improved apple scab control strategy
DNA marker linked to Malus floribunda 821 scab resistance
Detection of variation in virulence toward susceptible apple cultivars in natural population of Venturia inaequalis
Cultivar mixtures in apple orchards as a mean to contro apple scab?
Biology and biotechnology in strategies to control apple scab
Are phenolics and enzyme inhibitors involved in resistance of apple against Venturia inaequalis?
1993
Identification of apple cultivars using RAPD markersFlavan-3-ol content and the resistance of Malus x Domestica to Venturia inaequalis (CKE) WINT
1992
Vinemild: Toward a management tool for grape downy mildewScab resistance in apple - the minor genes in the Vf-resistance
Purification and characterization of an exopolygalacturonase produced by Venturia inaequalis , the causal agent of apple scab
Invitro degradation of cell-walls of apple leaves by pectinolytic enzymes of the scab fungus, Venturia inaequalis, and by commercial pectinolytic and cellulolytic enzyme preparations
An extended progeny parent ratio model. 2. Application to experimental data.
An extended progeny parent ratio model. 1. Theoretical development
1991
The European apple genome mapping project - Developing a strategy for mapping genes coding for agronomic characters in tree speciesGeobase - a simple geographical information-system on a personal computer
1990
Use of a dynamic model on dry matter production and allocation in apple orchard ecosystem researchOn the search for an applicable forecasting model of downy mildew epidemics on vines in Switzerland
Development of a forecast model of grape downy mildew on a microcomputer
1988
Role of the cuticular membrane in ontogenic and Vf-resistance of apple leaves against Venturia inaequalisCellulotytic ability of the scab fungus Venturia inaequalis
1987
The ability of a cultivar pathogenic race of Colletotrichum lindemuthianum to induce resistance to bean anthracnose in etiolated bean hypocotylsLe malattie e i parassiti del platano: Situazione nel Ticino
Diseases and pests of the plane tree - situation in Ticino (Southern Switzerland)
Applescab - a teaching aid on mircocomputers
Apple varieties resistant to scab: can Venturia inaequalis overcome the resistance
1986
Role of papillae in the induced systemic resistance of cucumbers against Colletotrichum lagenariumPowdery mildew pustules supporting Fusarium culmorum infection of wheat leaves
Morphological aspects of the ontogenic and the Vf-resistance of apple leaves against Venturia inaequalis
Interaction between Venturia inaequalis and apple callus tissue cultures - an electron-microscopic study
Induced systemic resistance in tomato plants against Phytophthora infestans
1985
Growth of Venturia inaequalis on apple tissue culturesA technique for continuous observation of the infection process in cucumber anthracnose
1984
Infection and stroma formation by Venturia inaequalis on apple leaves with different degrees of susceptibility to scab1982
Induction of resistance to Fusarium-wilt in cucumber by root and foliar pathogensAppearance of a host protein in cucumber plants infected with viruses, bacteria and fungi
1981
Benzimidazole fungicides - mode of action and problemsA host protein in infected cucumbers and its relation to induced resistance
1980
Fungicide (MBC) resistant mutants of Fusarium oxysporum f.sp. lycopersici and Botrytis cinerea - pathogenicity and fitness1976
Mechanism of resistance of fungi against BenomylLinks
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ETH Zürich
Phone: +41 44 632 38 71 |
Employment
9/2003 - Now
Scientific Director Safecrop (50 %)
Safecrop is the Centre for Research and Development of Crop Protection with low Environment and Consumer Health Impact in San Michele, Trento
10/1999-Now
Leading Scientist, ETH Zurich (50 %)
Group Leader 'Perennial Crops' in the Plant Pathology Group
1990-99
Scientific Adjunct
Institute of Plant Science, ETH Zurich
1980-89
Senior Scientific Assistant
Institute of Phytomedicine, ETH Zurich
University
1977
Ph.D. at the Institute of Special Botany, ETH Zurich; "Studio sulla resistenza della Botrytis cinerea all MBC"
1974
Dipl. Ing. Agr., Plant Production; ETH Zurich
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