Plant Diseases

• 

  Subject Areas on Research

  • A Pseudomonas syringae type III effector suppresses cell wall-based extracellular defense in susceptible Arabidopsis plants. 
  • A bacterial kinase phosphorylates OSK1 to suppress stomatal immunity in rice. 
  • A bacterial virulence protein suppresses host innate immunity to cause plant disease. 
  • A cis-acting sequence homologous to the yeast filamentation and invasion response element regulates expression of a pectinase gene from the bean pathogen Colletotrichum lindemuthianum. 
  • A critical role of STAYGREEN/Mendel's I locus in controlling disease symptom development during Pseudomonas syringae pv tomato infection of Arabidopsis. 
  • A critical role of two positively charged amino acids in the Jas motif of Arabidopsis JAZ proteins in mediating coronatine- and jasmonoyl isoleucine-dependent interactions with the COI1 F-box protein. 
  • A family of conserved bacterial effectors inhibits salicylic acid-mediated basal immunity and promotes disease necrosis in plants. 
  • A gain-of-function mutation in a plant disease resistance gene leads to constitutive activation of downstream signal transduction pathways in the snc1 mutant 
  • A genetic screen reveals Arabidopsis stomatal and/or apoplastic defenses against Pseudomonas syringae pv. tomato DC3000. 
  • A genomic approach to identify regulatory nodes in the transcriptional network of systemic acquired resistance in plants. 
  • A kiss of death--proteasome-mediated membrane fusion and programmed cell death in plant defense against bacterial infection. 
  • A noncanonical role for the CKI-RB-E2F cell-cycle signaling pathway in plant effector-triggered immunity. 
  • A plant genetic network for preventing dysbiosis in the phyllosphere. 
  • A prominent role of the flagellin receptor FLAGELLIN-SENSING2 in mediating stomatal response to Pseudomonas syringae pv tomato DC3000 in Arabidopsis. 
  • Activation of an EDS1-mediated R-gene pathway in the snc1 mutant leads to constitutive, NPR1-independent pathogen resistance. 
  • Alternative Splicing of Rice WRKY62 and WRKY76 Transcription Factor Genes in Pathogen Defense. 
  • An Arabidopsis thaliana lipoxygenase gene can be induced by pathogens, abscisic acid, and methyl jasmonate. 
  • An MKP-MAPK protein phosphorylation cascade controls vascular immunity in plants. 
  • Analyses on mutation patterns, detection of population bottlenecks, and suggestion of deleterious-compensatory evolution among members of the genus Potyvirus. 
  • Arabidopsis BRCA2 and RAD51 proteins are specifically involved in defense gene transcription during plant immune responses. 
  • Arabidopsis SNI1 and RAD51D regulate both gene transcription and DNA recombination during the defense response. 
  • Arabidopsis calcium-dependent protein kinase 3 regulates actin cytoskeleton organization and immunity. 
  • Bacteria establish an aqueous living space in plants crucial for virulence. 
  • Battle for survival: plants and their allies and enemies. 
  • Biotic interactions. Genomics and coevolution. 
  • Biotic interactions: towards a unifying and balanced view. 
  • Broad-spectrum defense against plant pathogens. 
  • Broad-spectrum virus resistance in transgenic plants expressing pokeweed antiviral protein. 
  • Characterization of a novel two-component system in Burkholderia cenocepacia. 
  • Co-evolution and plant resistance to natural enemies. 
  • Constitutive disease resistance requires EDS1 in the Arabidopsis mutants cpr1 and cpr6 and is partially EDS1-dependent in cpr5. 
  • Constitutive salicylic acid-dependent signaling in cpr1 and cpr6 mutants requires PAD4. 
  • Coronatine promotes Pseudomonas syringae virulence in plants by activating a signaling cascade that inhibits salicylic acid accumulation. 
  • DNA repair proteins are directly involved in regulation of gene expression during plant immune response. 
  • Different transcript patterns in response to specialist and generalist herbivores in the wild Arabidopsis relative Boechera divaricarpa. 
  • Differential induction of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase genes in Arabidopsis thaliana by wounding and pathogenic attack. 
  • Diverse mechanisms of resistance to Pseudomonas syringae in a thousand natural accessions of Arabidopsis thaliana. 
  • Draft Genome Sequence Resource for Blumeriella jaapii , the Cherry Leaf Spot Pathogen. 
  • Dual impact of elevated temperature on plant defence and bacterial virulence in Arabidopsis. 
  • Ecophysiological impacts of Esca, a devastating grapevine trunk disease, on Vitis vinifera L. 
  • Environmental variation mediates the deleterious effects of Coleosporium ipomoeae on Ipomoea purpurea. 
  • Evaluating the impacts of multiple generalist fungal pathogens on temperate tree seedling survival. 
  • Evidence for regulation of resistance in Arabidopsis to Egyptian cotton worm by salicylic and jasmonic acid signaling pathways. 
  • Evolution of host range in Coleosporium ipomoeae, a plant pathogen with multiple hosts. 
  • Expression of the Pseudomonas syringae avirulence protein AvrB in plant cells alleviates its dependence on the hypersensitive response and pathogenicity (Hrp) secretion system in eliciting genotype-specific hypersensitive cell death. 
  • Fighting on two fronts: Elevated insect resistance in flooded maize. 
  • Fitness benefits of systemic acquired resistance during Hyaloperonospora parasitica infection in Arabidopsis thaliana. 
  • Functional characterization of a Nudix hydrolase AtNUDX8 upon pathogen attack indicates a positive role in plant immune responses. 
  • Fungal horizons: the Asilomar Fungal Genetics Conference 2007. 
  • Fungal pathogenesis: gene clusters unveiled as secrets within the Ustilago maydis code. 
  • Genetic dissection of systemic acquired resistance. 
  • Genetic interactions of TGA transcription factors in the regulation of pathogenesis-related genes and disease resistance in Arabidopsis. 
  • Genetics and evolution of insect resistance in Arabidopsis. 
  • Genetics of resistance to the rust fungus Coleosporium ipomoeae in three species of morning glory (Ipomoea). 
  • Genome sequence of the plant-pathogenic bacterium Dickeya dadantii 3937. 
  • Genome-wide transcriptional analysis of the Arabidopsis thaliana interaction with the plant pathogen Pseudomonas syringae pv. tomato DC3000 and the human pathogen Escherichia coli O157:H7. 
  • Growth-defense tradeoffs in plants: a balancing act to optimize fitness. 
  • Hemlock woolly adelgid (Adelges tsugae) infestation affects water and carbon relations of eastern hemlock (Tsuga canadensis) and Carolina hemlock (Tsuga caroliniana). 
  • Host physiological phenotype explains pathogen reservoir potential. 
  • How do plants achieve immunity? Defence without specialized immune cells. 
  • Identification of novel hrp-regulated genes through functional genomic analysis of the Pseudomonas syringae pv. tomato DC3000 genome. 
  • Impaired Chloroplast Biogenesis in Immutans, an Arabidopsis Variegation Mutant, Modifies Developmental Programming, Cell Wall Composition and Resistance to Pseudomonas syringae. 
  • Increasing the resilience of plant immunity to a warming climate. 
  • Induction and suppression of PEN3 focal accumulation during Pseudomonas syringae pv. tomato DC3000 infection of Arabidopsis. 
  • Induction of Arabidopsis defense genes by virulent and avirulent Pseudomonas syringae strains and by a cloned avirulence gene. 
  • Innate immunity in plants: an arms race between pattern recognition receptors in plants and effectors in microbial pathogens. 
  • Interplay of the Arabidopsis nonhost resistance gene NHO1 with bacterial virulence. 
  • Major-gene resistance to the rust pathogen Coleosporium ipomoeae is common in natural populations of Ipomoea purpurea. 
  • Making sense of hormone crosstalk during plant 
  • Mapping of QTL for resistance against the crucifer specialist herbivore Pieris brassicae in a new Arabidopsis inbred line population, Da(1)-12 x Ei-2. 
  • Molecular Tools for the Yeast Papiliotrema terrestris LS28 and Identification of Yap1 as a Transcription Factor Involved in Biocontrol Activity. 
  • Molecular characterization of CLPT1, a SEC4-like Rab/GTPase of the phytopathogenic fungus Colletotrichum lindemuthianum which is regulated by the carbon source. 
  • Morning glory as a powerful model in ecological genomics: tracing adaptation through both natural and artificial selection. 
  • NLR surveillance of pathogen interference with hormone receptors induces immunity. 
  • NPR1 modulates cross-talk between salicylate- and jasmonate-dependent defense pathways through a novel function in the cytosol. 
  • Natural selection on a polymorphic disease-resistance locus in Ipomoea purpurea. 
  • Nucleotide bias of DCL and AGO in plant anti-virus gene silencing. 
  • Parallels in intercellular communication in oomycete and fungal pathogens of plants and humans. 
  • Pattern-recognition receptors are required for NLR-mediated plant immunity. 
  • Phylogenetic conservatism of mycoparasitism and its contribution to pathogen antagonism. 
  • Plant Immunity Requires Conformational Changes of NPR1 via S-Nitrosylation and Thioredoxins 
  • Plant evolutionary ecology. 
  • Plant stomata function in innate immunity against bacterial invasion. 
  • Plant stomata: a checkpoint of host immunity and pathogen virulence. 
  • Plant-Microbe Interactions Facing Environmental Challenge. 
  • Plant-Pathogen Warfare under Changing Climate Conditions. 
  • Post-translational regulation of plant immunity. 
  • Pseudomonas syringae infection assays in Arabidopsis. 
  • Pseudomonas syringae pv. tomato DC3000 HopPtoM (CEL ORF3) is important for lesion formation but not growth in tomato and is secreted and translocated by the Hrp type III secretion system in a chaperone-dependent manner. 
  • Pseudomonas syringae pv. tomato DC3000: a model pathogen for probing disease susceptibility and hormone signaling in plants. 
  • Pseudomonas syringae: what it takes to be a pathogen. 
  • Putting plant resistance traits on the map: a test of the idea that plants are better defended at lower latitudes. 
  • Quantitative in situ assay of salicylic acid in tobacco leaves using a genetically modified biosensor strain of Acinetobacter sp. ADP1. 
  • Rapid evolution in plant chitinases: molecular targets of selection in plant-pathogen coevolution. 
  • Receptor quality control in the endoplasmic reticulum for plant innate immunity. 
  • Reconstructing genome evolution in historic samples of the Irish potato famine pathogen. 
  • Redox rhythm reinforces the circadian clock to gate immune response 
  • Regulation of tradeoffs between plant defenses against pathogens with different lifestyles. 
  • Role of plant stomata in bacterial invasion. 
  • Role of stomata in plant innate immunity and foliar bacterial diseases. 
  • Salicylic acid inhibits pathogen growth in plants through repression of the auxin signaling pathway. 
  • Science in Africa: The wheat stalker. 
  • SnRK1A-mediated phosphorylation of a cytosolic ATPase positively regulates rice innate immunity and is inhibited by Ustilaginoidea virens effector SCRE1. 
  • Solution NMR studies of the plant peptide hormone CEP inform function. 
  • Spatial and temporal regulation of biosynthesis of the plant immune signal salicylic acid. 
  • Stomatal Defense a Decade Later. 
  • Subcellular Localization of Pseudomonas syringae pv. tomato Effector Proteins in Plants. 
  • Subcellular localization and functional analysis of the Arabidopsis GTPase RabE. 
  • Sucrose Nonfermenting 1-Related Protein Kinase 1 Phosphorylates a Geminivirus Rep Protein to Impair Viral Replication and Infection. 
  • Suppression of host defense in compatible plant-Pseudomonas syringae interactions. 
  • Suppression of the microRNA pathway by bacterial effector proteins. 
  • Systemic acquired resistance: turning local infection into global defense. 
  • The Arabidopsis NPR1 gene that controls systemic acquired resistance encodes a novel protein containing ankyrin repeats. 
  • The CAT(2) Comes Back. 
  • The Pseudomonas syringae Type III Effector HopG1 Induces Actin Remodeling to Promote Symptom Development and Susceptibility during Infection. 
  • The bacterial effector AvrRxo1 inhibits vitamin B6 biosynthesis to promote infection in rice. 
  • The calmodulin-binding transcription factor SIGNAL RESPONSIVE1 is a novel regulator of glucosinolate metabolism and herbivory tolerance in Arabidopsis. 
  • The evolution of tolerance to deer herbivory: modifications caused by the abundance of insect herbivores. 
  • The human fungal pathogen Cryptococcus can complete its sexual cycle during a pathogenic association with plants. 
  • The role of water in plant-microbe interactions. 
  • Threats Posed by the Fungal Kingdom to Humans, Wildlife, and Agriculture. 
  • Timing of plant immune responses by a central circadian regulator. 
  • Transcriptome landscape of a bacterial pathogen under plant immunity. 
  • Translational Regulation of Metabolic Dynamics during Effector-Triggered Immunity. 
  • Type III protein secretion mechanism in mammalian and plant pathogens. 
  • Uncoupling PR-gene expression from NPR1 and bacterial resistance: Characterization of the dominant Arabidopsis cpr6 mutant. 
  • Virulence systems of Pseudomonas syringae pv. tomato promote bacterial speck disease in tomato by targeting the jasmonate signaling pathway. 
  • uORF-mediated translation allows engineered plant disease resistance without fitness costs. 
• 

  Keywords of People

  • Mitchell-Olds, Thomas, Newman Ivey White Distinguished Professor of Biology, Biology