Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"Phytotoxin"”.
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The Role of Plasmids in Microbial Secondary Metabolism
… that differ only in their ability to produce the phytotoxin, tabtoxin, their resistance to tabtoxin, and their host specificity. The possibility that the genes for these characteristics were plasmid-borne was examined.
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Studies Towards a Total a Synthesis of Tagetitoxin
Tagetitoxin is a phytotoxin produced by the bacterium Pseudomonas syringae pv. tagetis. It is a selective inhibitor of RNA polymerase III in eukaryotic cells and RNA polymerase in bacteria. Since its initial isolation and partial characterization, more than thirty years have passed without a fully …
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Investigations into the nature of the potato psyllid toxin
… as "psyllid yellows". The disease is caused by a phytotoxin produced by the potato psyllid that is systemic and causes many morphological changes in the host plant which can lead to crop loss. The effects of potato psyllid feeding on the yield of several varieties of potato, tomato and pepper were …
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The role of citrate in plant-pathogen interactions
… hosts, including the production of effectors and phytotoxins. The tri-carboxylic acid citrate, which is secreted into the apoplast by both bacterial pathogens and plant hosts has previously been shown to increase the virulence of the gram negative pathogen Pseudomonas syringae DC3000 (Pst DC3000), …
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IDENTIFICATIN AND CHARACTERIZATION OF PATHOGENICITY GENES IN FUSARIUM VIRGULIFORME, THE CAUSAL AGENET OF SUDDEN DEATH SYNDROME (SDS) IN SOYBEAN
… novel pathogenicity such as the ones involved in phytotoxin production, fungicide resistance and aggressiveness.
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Insights into the Molecular Mechanism of Streptomyces ipomoeae Pathogenesis: Thaxtomin C Biosynthesis and Regulation
… Streptomyces potato scab pathogens produce a phytotoxin (thaxtomin A) that appears to facilitate their entrance into host plants. S. ipomoeae produces a less-modified thaxtomin derivative (thaxtomin C) whose role in pathogenicity has not been examined. Here, we cloned and sequenced the …
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Investigation Of The Interconnected Roles Of Cmal And Hopaa1-1 In The Virulence Of Pseudomonas Syringae Pv.Tomato Dc3000 In Nicotiana Benthamiana
… tomato and Arabidopsis thaliana. It requires the phytotoxin coronatine and the delivery of type III effector proteins (T3Es) into the host cell cytoplasm for defense suppression and virulence. CmaL is a small protein found to be necessary for coronatine production. Coronatine is a potent molecular …
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Isolation and structure elucidation of bioactive secondary metabolites from marine sponges and sponge-derived fungi
… of the extract. The isolation of the known phytotoxin Cladospolide B from Cladosporium herbarum, which was originally known from Cladosporium cladosporioides and C. tenuissimum, indicates the possibility that Cladospolide B may be a chemotaxonomic marker of particular Cladosporium species. …
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Role of Pyrenophora teres toxins in net blotch of barley.
… isolated in this study are host specific phytotoxins. This research has allowed the first isolation of proteinaceous host-specific toxins from P. teres as well as the identification of a UV-sensitive LMWC phytotoxin not previously described. Proteinaceous toxins induced brown necrotic …
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Identification of phytotoxins produced by fusarium virguliforme associated with foliar symptoms of sudden death syndrome and genome-wide association studies for soybean disease resistance
… the RNA-Seq technology to identify additional phytotoxins produced by the fungus Fusarium virguliforme, which causes soybean sudden death syndrome (SDS). A robust and comprehensive bioinformatics-searching pipeline was established and I successfully identified three secondary metabolites and 11 …