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  • 1
    Electronic Resource
    Electronic Resource
    Identification of the viroid-induced tomato pathogenesis-related (PR) protein P23 as the thaumatin-like tomato protein NP24 associated with osmotic stress (1991)
    Springer
    Plant molecular biology 16 (1991), S. 931-934 
    Details
    ISSN: 1573-5028
    Keywords: citrus exocortis viroid ; osmotic stress proteins ; pathogenesis-related (PR) proteins ; sequence homologies ; thaumatin-like proteins ; tomato
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract P23, a 23 kDa pathogenesis-related (PR) protein, was purified from citrus exocortis viroid (CEVd)-infected tomato leaves. Partial amino acid sequencing of this protein including the N-terminal and nine additional tryptic fragments covering about 50% of its primary structure revealed extensive homologies to the members of the family of plant thaumatin-like proteins. Sequence alignment revealed that tomato P23 is the previously described NP24 protein found to be associated to osmotic stress in tomato. In view of this fact the possible role of pathogenesis-related P23 protein as a component of a general mechanism of response of the plant is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00015088
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  • 2
    Electronic Resource
    Electronic Resource
    ESR-spektroskopische Untersuchungen an Thioamiden, VI. Radikalanionen der N,N-Dialkylbenzamide, -thiobenzamide und -selenobenzamide (1979)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1979 (1979), S. 1931-1944 
    Details
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: ESR Studies in the Thioamide Series, VI.  -  Radical Anions of N,N-Dialkylbenzamides, -thiobenzamides, and -selenobenzamidesRadical anions of the title compounds 1-9 were generated by in-situ electroreduction and studied by ESR spectroscopy. Earlier assignments and interpretations of hfs splittings are partly revised. The radical anions of benzamides exhibit nonequivalency of the respective ortho and meta position in contrast to the higher homologues. - It is shown, that CSNR2 and CSeNR2 groups withdraw a great deal of spin density from the aromatic ring and are thus comparable with the nitro group.
    Notes: Durch in-situ-Elektroreduktion erzeugte Radikalanionen von Benzamiden 1-3, Thiobenzamiden 4-6 und Selenobenzamiden 7-9 werden ESR-spektroskopisch untersucht (Abbildungen 1 - 4). Dabei werden frühere Zuordnungen und Interpretationen von Hyperfeinstruktur-Aufspaltungen teilweise revidiert. Bei den Benzamid-Radikalanionen besteht bei Raumtemperatur Nichtäquivalenz der jeweiligen ortho- und meta-Positionen, bei den höheren Homologen dagegen nicht.  -  Es wird gezeigt, daß die CSNR2- und CSeNR2-Gruppen als Substituenten in aromatischen Radikalanionen dem Benzolring viel Spindichte entziehen und in dieser Hinsicht der Nitrogruppe ähneln.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.197919791202
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  • 3
    Electronic Resource
    Electronic Resource
    Reaktionen eines Thieno[3,4-c]isothiazols mit 1,2,4-Triazolin-3,5-dionen und Alkinen (1986)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1986 (1986), S. 1796-1803 
    Details
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reactions of a Thieno[3,4-c]isothiazole with 1,2,4-Triazoline-3,5-diones and AlkynesThe reactions of the title compound 1 with the 1,2,4-triazoline-3,5-diones 4a, b as well as with dibenzoylethyne and bis(diethylamino)ethyne lead to the formation of the heterocycles 5, 7, and 12.
    Notes: Die Reaktionen der Titelverbindung 1 mit den 1,2,4-Triazolin-3,5-dionen 4a, b sowie mit Dibenzoylethin und Bis(diethylamino)ethin führen zu den Heterocyclen 5, 7 und 12.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.198619861013
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