title: [The effect of 1-methylcyclopropene on the components of pro- and antioxidant systems of wheat and the development of protective reactions in fungal pathogenesis].
abstract: The effect of 1-methylcyclopropene (1-MCP), which inhibits the reception of ethylene, on the following has been studied: hydrogen peroxide generation, oxalate oxidase activity, peroxidase activity, catalase activity, and lignin accumulation in infected leaves of soft spring wheat (Triticum aestivum L.) breeds that differ in their resistance to the causative agent of leaf blotch Septoria nodorum Berk. A decrease in the development of leaf blotch in wheat leaves under the influence of 1-MCP was, on one hand, followed by an inhibition of catalase activity; on the other hand, it was accompanied by an increase in oxalate oxidase and peroxidase activity, as well as an accumulation of H2O2 in tissues and lignin in the infected zone. The role of the ethylene reception system in the plants' protective response to infection with a hemibiotrophic pathogen, the causative agent of leaf blotch, is discussed.
authors.forename: S V
authors.initials: SV
authors.lastname: Veselova
authors.forename: T V
authors.initials: TV
authors.lastname: Nuzhnaia
authors.forename: I V
authors.initials: IV
authors.lastname: Maksimov
mesh_terms: D001203:Ascomycota / Q000502:physiology / Q000648:ultrastructure; D002374:Catalase / Q000378:metabolism; D003521:Cyclopropanes / Q000494:pharmacology*; D005030:Ethylenes / Q000037:antagonists & inhibitors / Q000378:metabolism; D006861:Hydrogen Peroxide / Q000378:metabolism; D008031:Lignin / Q000096:biosynthesis; D025282:Mycelium / Q000502:physiology / Q000648:ultrastructure; D010088:Oxidoreductases / Q000378:metabolism; D009195:Peroxidase / Q000378:metabolism; D010935:Plant Diseases / Q000276:immunology / Q000382:microbiology; D057865:Plant Immunity / Q000187:drug effects*; D018515:Plant Leaves / Q000187:drug effects* / Q000276:immunology / Q000378:metabolism / Q000382:microbiology; D010940:Plant Proteins / Q000378:metabolism*; D014908:Triticum / Q000187:drug effects* / Q000276:immunology / Q000378:metabolism / Q000382:microbiology
chemical_list: D003521:Cyclopropanes; D005030:Ethylenes; D010940:Plant Proteins; D008031:Lignin; C036216:ethylene; D006861:Hydrogen Peroxide; D010088:Oxidoreductases; D002374:Catalase; D009195:Peroxidase; C020598:oxalate oxidase; C412563:1-methylcyclopropene