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  • 1
    Electronic Resource
    Electronic Resource
    Heritable Damage to Yeast Caused by Transformation (1991)
    [s.l.] : Nature Publishing Company
    Nature biotechnology 9 (1991), S. 179-182 
    Details
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] The introduction of plasmid DNA into yeast by transformation or electroporation, but not by cytoduction, results in the induction of a slow growth phenotype. This phenotype is inherited as a dominant Mendelian trait, which is only exhibited in the absence of the native 2μ nuclear DNA plasmid of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nbt0291-179
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Molecular characterization of four chitinase cDNAs obtained fromCladosporium fulvum-infected tomato (1993)
    Springer
    Plant molecular biology 22 (1993), S. 1017-1029 
    Details
    ISSN: 1573-5028
    Keywords: chitinase ; gene expression ; pathogenesis-related protein ; plant-fungus interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Complementary DNA clones encoding acidic and basic isoforms of tomato chitinases were isolated fromCladosporium fulvum-infected leaves. The clones were sequenced and found to encode the 30 kDa basic intracellular and the 26 and 27 kDa acidic extracellular tomato chitinases previously purified (M.H.A.J. Joostenet al., in preparation). A fourth truncated cDNA which appears to encode an extracellular chitinase with 82% amino acid similarity to the 30 kDa intracellular chitinase was also isolated. Characterization of the clones revealed that the 30 kDa basic intracellular protein is a class I chitinase and that the 26 and 27 kDa acidic extracellular proteins which have 85% peptide sequence similarity are class II chitinases. The characterized cDNA clones represent four from a family of at least six tomato chitinases. Southern blot analysis indicated that, with the exception of the 30 kDa basic intracellular chitinase, the tomato chitinases are encoded by one or two genes. Northern blot analysis showed that the mRNA encoding the 26 kDa acidic extracellular chitinase is induced more rapidly during an incompatibleC. fulvum-tomato interaction than during a compatible interaction. This difference in timing of mRNA induction was not observed for the 30 kDa basic intracellular chitinase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00028974
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Induction of tomato stress protein mRNAs by ethephon, 2,6-dichloroisonicotinic acid and salicylate (1995)
    Springer
    Plant molecular biology 27 (1995), S. 1205-1213 
    Details
    ISSN: 1573-5028
    Keywords: Cladosporium fulvum ; gene activation ; plant defense ; plant hormone ; PR proteins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract To study the possible involvement of plant hormones in the synthesis of stress proteins in tomato upon inoculation with Cladosporium fulvum, we investigated the induction of mRNAs encoding PR proteins and ethylene biosynthesis enzymes by ethephon, 2,6-dichloroisonicotinic acid (INA) and salicylic acid (SA) by northern blot analysis. Ethephon slightly induced some but not all mRNAs encoding intra- and extracellular PR proteins. INA induced all PR protein mRNAs analysed, except for intracellular chitinase and extracellular PR-4. SA induced all PR protein mRNAs analyzed, except for intracellular chitinase and osmotin. None of the inducers affected the expression of ACC synthase mRNA, whereas all three induced ethylene-forming enzyme (EFE) mRNA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00020894
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    Paper (German National Licenses)
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