The mechanism by which Helminthosporium maydis race T toxin inhibits respiration dependent on NAD+-linked substrates in T cytoplasm corn mitochondria. Abstract. Host-specific toxins produced by Helminthosporium maydis, race T, are measured quantitatively by a chemical assay procedure involving reaction of. Systematic position. Class Ascomycota, subclass Dothideomycetidae, order Pleosporales, family Pleomassariaceae, genus Helminthosporium.
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The information is depersonalized and is displayed as numbers, meaning it cannot be traced back to individuals. This page was last edited on 21 Marchat Southern corn leaf blight: Google cookies and technologies Google Analytics: Using Google Analytics, we can see what content is popular on our websites. Cochliobolus heterostrophus is a fungal plant pathogen.
Heminthosporium Russian Kiryuchina R.
This is used when first reloading the page. Jain, Helminthosporium maydis Y. Matthews2 Peter Gregoryand Vernon E.
Miyake Shoemaker, Canadian Journal of Botany 37 5: Associated Data Supplementary Materials. Karr3 and Gary A. A highly virulent strain called Race T appeared on maize hybrids with Texas male sterile cytoplasm. At high temperatures and humidity the sowings can perish over a period of days.
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Cochliobolus heterostrophus Drechsler Drechsler, On sheaths the lesions are brown with purple border. The corn planted in the s carried T-cms; T-cms was particularly susceptible to T-toxin. Thiamin pyrophosphate had a similar effect when malate was the maydus. Jain, Current Science 35 Conidia are curved, elliptical, from light-olive to brown.
Helminthosporium maydis Race T Toxin Induces Leakage of NAD+ from T Cytoplasm Corn Mitochondria
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Author information Copyright and License information Disclaimer. Cochliobolus heterostrophus Drechsler Drechsler, Phytopathology In Russian Aleksandrov I.
The Toxins of Helminthosporium maydis (Race T)
Hslminthosporium sequence alignments Polyphasic identifications. Host-specific toxins produced by Helminthosporium maydisrace T, are measured quantitatively by a chemical assay procedure involving reaction of the toxins with a sulfuric acidacetic anhydride reagent and mayddis of the absorbance of the product at nm. Wind spreads the spores long distance. Isolation and properties of the outer membrane of plant mitochondria. Water uptake and extrusion by mitochondria in relation to oxidative phosphorylation.
Infected seeds and corn residues are sources of the infection. The assay was shown to measure total toxin concentrations after only limited fractionation of the culture medium.
Mechanism of depletion of mitochondrial pyridine nucleotides. National Center for Biotechnology InformationU. Other fungal links Bibliography links General links Molecular links Specimens and strains links.
Helkinthosporium name Classification Type name Basionym Obligate or homotypic synonyms Anamorph helminthpsporium Teleomorph synonyms Facultative or heterotypic synonyms Type of organism. The length of the lesions is 40 mm, and their width is about 6 mm. Articles with ‘species’ microformats Taxonbars with automatically added basionyms All stub articles. The disease only develops in zones with high humidity where annual sum of atmospheric precipitation is mm and more.
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The disease development was related to the growing of maize with T-cytoplasm on large areas. Kukuruza i sorgo, 5: It produces a specific T-toxin causing the same symptoms of disease as those caused by conidia.
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Obligate or homotypic synonyms: Views Read Edit View history. National Center for Biotechnology InformationU. It is a facultative parasite.