Výsledky vyhledávání - "Hans J. Grambow"

Elicitor and Suppressor Effects on Phospholipase C in Isolated Plasma Membranes Correlate with Alterations in Phenylalanine Ammonia-lyase Activity of Wheat Leaves

Autor: M. C. Arz, Hans J. Grambow

Publikováno v: Journal of Plant Physiology. 146:64-70

Summary Injection of Pgt DEAE -elicitor prepared from germ tubes of Puccinia graminis f.sp. tritici into the intercellular space of wheat leaves induced an 8-fold increase in phenylalanine ammonia-lyase (PAL; EC 4.3.1.5) activity within 24 h. The eli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4e73d811657b971f5bb86d5ce0e9012
https://doi.org/10.1016/s0176-1617(11)81969-3

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Anthranilate Synthase and Chorismate Mutase Activities in Stem Rust-Inoculated and Elicitor-Treated Resistant, Moderately Resistant, and Susceptible Near-Isogenic Wheat Lines

Autor: Claudia Bücker, Hans J. Grambow, Barbara Witte, Ursula Windmüller

Publikováno v: Zeitschrift für Naturforschung C. 50:54-60

Anthranilate synthase and chorismate mutase activities which control the flow of substrate from chorismate into the tryptophan pathway and into the phenylalanine/tyrosine pathway, respectively, were examined in three near isogenic wheat lines of Trit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b81131ce82707e6ad1ce71ee3306cce6
https://doi.org/10.1515/znc-1995-1-209

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Alterations in 1,4-Benzoxazinone Levels Following Inoculation with Stem Rust in Wheat Leaves Carrying Various Alleles for Resistance and Their Possible Role as Phytoalexins in Moderately Resistant Leaves

Autor: Claudia Bücker, Hans J. Grambow

Publikováno v: Zeitschrift für Naturforschung C. 45:1151-1155

The contents of 1,4-benzoxazinone derivatives in wheat plants infected with Puccinia graminis Pers. f. sp. tritici Ericss. & Henn, race 32, and in uninfected controls were examined in four near-isogenic lines of different infection types: Triticum ae

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ce9281619bea51730e34df803307d39
https://doi.org/10.1515/znc-1990-11-1211

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(2R)-2-β-d-Glucopyranosyloxy-4,7-dimethoxy-2H-1,4-benzoxazin-3(4H)-one from Triticum aestivum

Autor: Michael Kluge, Dieter Sicker, Hans J. Grambow

Publikováno v: Phytochemistry. 44:639-641

(2R)-2-β-d-Glucopyranosyloxy-4,7-dimethoxy-2H-1,4-benzoxazin-3(4H)-one was isolated from Triticum aestivum for the first time. The absolute configuration was determined as the 2R-type by spectroscopic methods.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5299f98625bdd95c55b3770bc310b141
https://doi.org/10.1016/s0031-9422(96)00612-7

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Polyphosphoinositide phospholipase C and evidence for inositol-phosphate-hydrolysing activities in the plasma-membrane fraction from light-grown wheat (Triticum aestivum L.) leaves

Autor: Michael C. Arz, Hans J. Grambow

Publikováno v: Planta. 195

The phospholipase C (PLC; EC 3.1.4.3) activity in isolated plasma membranes of light-grown wheat (Triticum aestivum L. cv. Prelude) leaves was investigated. The activity against the polyphosphoinositides was strongly dependent on Ca2+ and was affecte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9d1c6bb9604d35aa535e68d91876cb82
https://doi.org/10.1007/bf00206292

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An Improved Procedure for the Quantitative Estimation of the Rust Fungus in Infected Plant Tissue

Autor: Doris Hugo-Wissemann, Gertrud Wiese, Hans J. Grambow

Publikováno v: Zeitschrift für Naturforschung C. 41:1127-1130

A quantitative estimation of the rust fungus in infected wheat leaves was possible following enzymatic hydrolysis of the chitin and colorimetric determination of the N-acetyl-glucosamine released. The apparently complex cell wall structure of the fun

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1ce0fca6d0a869fca3ddb682fe61a79e
https://doi.org/10.1515/znc-1986-11-1231

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Nuclear condition, types of hyphal development from differentiating, and nondifferentiating uredosporelings, and effect of 3,3′-bis-indolylmethane on Puccinia graminis f.sp. tritici in vitro

Autor: Hans J. Grambow, Dietmar Müller

Publikováno v: Canadian Journal of Botany. 56:736-741

In vitro Puccinia graminis f.sp. tritici, race 32, produced dikaryotic hyphae from infection structures, corresponding to appressoria and substomatal vesicles (differentiated), which are formed by germ tubes as a response to a heat shock within 24 h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e87a1077095ac7a534830a374c91e6d
https://doi.org/10.1139/b78-083

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The relationship between oxidase activity, peroxidase activity, hydrogen peroxide, and phenolic compounds in the degradation of indole-3-acetic acid in vitro

Autor: B. Langenbeck-Schwich, Hans J. Grambow

Publikováno v: Planta. 157:132-137

The peroxidase catalyzed degradation of indole-3-acetic acid (IAA) results in the formation of indole-3-methanol (IM) in the presence of phenolic compounds or in 3-hydroxymethyloxindole (HMOx) in their absence. Apparently the phenols compote with a m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb0c8d8b8cc052439e820aa8fe2b439e
https://doi.org/10.1007/bf00393646

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Increased Lipoxygenase Activity is Involved in the Hypersensitive Response of Wheat Leaf Cells Infected with A virulent Rust Fungi or Treated with Fungal Elicitor

Autor: Hans J. Grambow, Carlos A. Ocampo, Bruno M. Moerschbacher

Publikováno v: Zeitschrift für Naturforschung C. 41:559-563

The hypersensitive reaction in incompatible wheat-rust interactions is characterized by an increase in lipoxygenase activity detectable as early as 28 h after penetration of the pathogen. In contrast, lipoxygenase activity in the compatible interacti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ccc0b6a172cd6a45068f4876e08e8483
https://doi.org/10.1515/znc-1986-5-612

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