PhD theses

All Wageningen University PhD theses

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    Wageningen PhD theses


    This database contains bibliographic descriptions of all Wageningen University PhD theses from 1920 onwards. It is updated on a daily basis by WUR Library.

    Author abstracts and/or summaries are added to all descriptions. A link to the full text dissertation is added to the bibliographic description. In a few cases, no electronic version is available, mostly because of copyright issues.

    Hard copies of all theses are available for loan at WUR Library. To request them, click the link Request this publication in the full record presentation. This is a fee based service.

    mail icon WUR Library, 9 july 2012

     

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    We will mail you new results for this query: (dissertatie/nummer=* AND keyword(s)==solanum lycopersicum)
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Recognition of Verticillium effector Ave1 by tomato immune receptor Ve1 mediates Verticillium resistance in diverse plant species [PhD thesis]
Song, Yin \ 2017
disease resistance - defence mechanisms - immunity - plant-microbe interactions - plant pathogens - verticillium dahliae - verticillium - tomatoes - solanum lycopersicum - receptors - genes - tobacco - nicotiana glutinosa - potatoes - solanum tuberosum - solanum torvum - humulus lupulus - cotton - gossypium hirsutum - transgenic plants - arabidopsis thaliana
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Exploring the resistance against root parasitic plants in Arabidopsis and tomato [PhD thesis]
Full text publicly available; under embargo until:2019-10-19
Cheng, Xi \ 2017
plants - parasitic plants - arabidopsis thaliana - solanum lycopersicum - host parasite relationships - plant growth regulators - resistance
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Prospects of whole-genome sequence data in animal and plant breeding [PhD thesis]
Binsbergen, Rianne van \ 2017
next generation sequencing - dna sequencing - quantitative trait loci - cattle - genomics - solanum lycopersicum - animal breeding - plant breeding
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Identification of metabolites involved in heat stress response in different tomato genotypes [PhD thesis]
Paupière, Marine J. \ 2017
solanum lycopersicum - tomatoes - genotypes - heat stress - heat tolerance - pollen - metabolomes - metabolites - metabolomics
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Optimization of productivity and quality of irrigated tomato (Solanum lycopersicum L.) by smallholder farmers in the Central Rift Valley area of Oromia, Ethiopia [PhD thesis]
Full text publicly available; under embargo until:2019-05-29
Gemechis, Ambecha O. \ 2017
solanum lycopersicum - irrigation - crop production - optimization - photosynthesis - chlorophyll - gas exchange - water use efficiency - crop yield - ethiopia
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Susceptibility genes: an additional source for improved resistance [PhD thesis]
Full text publicly available; under embargo until:2019-05-16
Sun, Kaile \ 2017
solanum tuberosum - potatoes - solanum lycopersicum - tomatoes - genes - susceptibility - plant pathogenic fungi - phytophthora infestans - disease resistance - plant breeding
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Susceptibility pays off : insights into the mlo-based powdery mildew resistance [PhD thesis]
Appiano, Michela \ 2016
solanum lycopersicum - tomatoes - disease resistance - susceptibility - oidium neolycopersici - genes - gene expression - genomics - molecular breeding - plant breeding
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Light on phloem transport (an MRI approach) [PhD thesis]
Prusova, Alena \ 2016
solanum lycopersicum - phloem - light - flow - photoperiod - nuclear magnetic resonance - biophysics - magnetic resonance imaging
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Heat stress tolerance responses in developing tomato anthers [PhD thesis]
Bita, Craita Elena \ 2016
tomatoes - solanum lycopersicum - anthers - heat stress - stress tolerance - heat tolerance - heat shock - transcriptomics - reproductive performance - gene expression profiling - meiosis

Abstract:
Generally, tomato is considered sensitive to heat stress. During the development of the tomato male gametophyte, anther development and particularly the first stage of meiosis are the most sensitive phases. Our goal was to analyse the general molecular response to moderate heat stress (MHS) in tomato meiotic anthers and then characterise aspects of the response to heat in tolerant genotypes. Understanding the metabolic changes that occur in heat tolerant varieties/lines during heat stress is essential for the production of tomato crops adapted to variable temperature increases. First, cDNA-AFLP was employed to reveal a general spatial and temporal response to MHS in a standard cultivar. The results showed about 1% of the analysed genes having significant modulation (down-regulation) in expression after just 2h of stress. Several transcripts were identified and associated to a response to heat. Additional analyses revealed that the candidate genes are expressed in the tapetum, but also in other tissues (Chapter 3). The Combimatrix technology has been used to fingerprint differences in response to heat between a tolerant and a sensitive genotype, with the aim of detecting candidate tolerance genes. The microarray analysis also shows about 1% of the genes having a significant modulation in expression after 2h of stress, and that the tolerant genotype reacts with fewer transcriptomic changes and exhibiting high constitutive levels of transcripts involved in protection and thermotolerance. In the heat-tolerant genotype, the majority of changes in gene expression is represented by up-regulation, while in the heat-sensitive genotype there is a general trend to down-regulate gene expression, soon after MHS. The putative functions associated with the genes identified by cDNA-AFLP or microarrays indicate involvement of heat shock, metabolism, antioxidant and development pathways. Based upon the observed differences in response to MHS and on literature sources, we identified a number of candidate transcripts involved in heat-tolerance. A functional analysis of expression modulation by qRT-PCR was performed in several pairs of genotypes and the results confirm observations from microarray regarding gene modulation (Chapter 4). An experimental approach to obtain insight into the hormonal regulation of the response to heat is described in chapter 5. Additional observations and results are discussed in chapter 6.

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Leaf anatomy and photosynthesis : unravelling the CO2 diffusion pathway in C3 leaves [PhD thesis]
Berghuijs, Herman Nicolaas Cornelis \ 2016
leaves - plant anatomy - photosynthesis - mesophyll - photorespiration - carbon pathways - solanum lycopersicum
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Genetics and regulation of combined abiotic and biotic stress tolerance in tomato [PhD thesis]
Kissoudis, Christos \ 2016
solanum lycopersicum - tomatoes - disease resistance - stress tolerance - defence mechanisms - plant diseases - abiotic injuries - stress response - phenotypic variation - genetic analysis - plant breeding - salt tolerance
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Environmental and physiological control of dynamic photosynthesis [PhD thesis]
Kaiser, Elias \ 2016
solanum lycopersicum - arabidopsis thaliana - photosynthesis - carbon dioxide - temperature - humidity - light intensity
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Exploiting wild tomato genetic resources for resistance to Tomato Yellow Leaf Curl Virus [PhD thesis]
Caro Rios, Carolina Myluska \ 2015
solanum lycopersicum - tomatoes - wild relatives - plant genetic resources - disease resistance - tomato yellow leaf curl virus - gene mapping - solanum habrochaites - introgression - plant breeding
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High-throughput comparative genomics for plant breeding and its application in the tomato clade [PhD thesis]
Aflitos, Saulo Alves \ 2015
solanum lycopersicum - tomatoes - plant breeding - comparative genomics
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The Sw-5 gene cluster : analysis of tomato resistance against tospoviruses [PhD thesis]
Silva de Oliveira, Athos \ 2015
solanum lycopersicum - tomatoes - disease resistance - plant viruses - tospovirus - genes - tomato spotted wilt virus - plant breeding - resistance breeding
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Functional analyses of AtCHR12 and AtCHR23 : plant growth responses upon over-expression of chromatin remodeling ATPase genes [PhD thesis]
Folta, A. \ 2015
plants - growth - gene expression - chromatin - atp - arabidopsis - solanum lycopersicum - seed germination - growth regulators
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Multi-level analysis of the impact of temperature and light on tomato fruit growth [PhD thesis]
Okello, R.C.O. \ 2015
solanum lycopersicum - tomatoes - growth - temperature - light - plant physiology - cell division - cyclins - gene expression
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Identification and functional characterization of proteases and protease inhibitors involved in virulence of fungal tomato pathogens [PhD thesis]
Karimi Jashni, M. \ 2015
passalora fulva - plant pathogenic fungi - virulence - proteinases - proteinase inhibitors - plant-microbe interactions - genomics - solanum lycopersicum - tomatoes - proteomics
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Exploiting wild relatives of S. lycopersicum for quality traits [PhD thesis]
Víquez Zamora, A.M. \ 2015
solanum lycopersicum - tomatoes - solanum pimpinellifolium - wild relatives - germplasm - traits - crop quality - genomics - genetic mapping - plant breeding
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The role of phosphatidylinositol-specific phospholipase-C in plant defense signaling [PhD thesis]
Abd-El-Haliem, A.M. \ 2014
plant diseases - disease resistance - defence mechanisms - solanum lycopersicum - tomatoes - signal transduction - phospholipase c - plant-microbe interactions - passalora fulva - genetic analysis - nucleotide sequences
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