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  • 1990-1994  (3)
  • 33.20.L  (1)
  • 79.70  (1)
  • Agrobacterium tumefaciens  (1)
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Years
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Cucumber mosaic virus-tolerant transgenic tomato plants expressing a satellite RNA (1992)
    Springer
    Theoretical and applied genetics 83 (1992), S. 679-683 
    Details
    ISSN: 1432-2242
    Keywords: Lycopersicon esculentum ; Cucumber mosaic virus ; Satellite RNA ; Transgenic plants ; Agrobacterium tumefaciens
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A satellite RNA (T73-satRNA) gave reduced symptom severity on tomato plants when coinoculated with an ordinary strain of cucumber mosaic virus (CMVO). cDNA for T73-satRNA was introduced into a binary vector (pTOK162) through a homologous recombination in an Agrobacterium tumefaciens cell, and then transferred to leaf disks of tomato. Stable integration and transcription of the cDNA in the regenerants were verified by Southern and northern blot hybridizations, respectively. Upon inoculation with CMV-O, the transformants exhibited very slight symptoms of CMV, grew normally, and finally set fruits, whereas untransformed wildtype tomato plants showed very severe symptoms, and their growth was retarded and formed few fruits. Agarose gel electrophoresis of total RNA from CMV-O-inoculated transformants detected RNA molecules corresponding to T73-satRNA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00226684
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Bimetallic cluster cations ejected from a liquid metal ion source: Li-Na and Li-Mg (1991)
    Springer
    The European physical journal 19 (1991), S. 129-131 
    Details
    ISSN: 1434-6079
    Keywords: 36.40 ; 79.70 ; 35.20X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Cluster ions of alloys (Li-Na, Li-Mg) have been produced by a liquid metal ion source (LMIS), and analyzed by mass spectrometry. For the Li-Na system, bimetallic clusters with various compositions were formed, and dominant bimetallic species were Na2Li+, NaLi+, NaLi 2 + and NaLi 8 + with this sequence of ion intensity. These clusters are systems containing 2 or 8 valence electrons except for NaLi+. For the Li-Mg, observed bimetallic clusters were limited to only three species (MgLi+, MgLi 2 + and Mg2Li+), but unexpectedly small multiply charged homonuclear clusters, Mg 2 2+ and Mg 3 2+ , were observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01448272
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Spectroscopic study on the crystal growth in gas evaporation: emission and absorption spectra from Cu smoke (1991)
    Springer
    The European physical journal 20 (1991), S. 403-405 
    Details
    ISSN: 1434-6079
    Keywords: 33.20.L ; 32.20.J ; 81.20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Optical emission and absorption spectra from a growth zone in Cu smoke were measured by using a quartz prism spectrograph and a single-grating spectrophotometer. Atomic lines of Cu, band systems of Cu2 were observed. Two new band systems with 0–0 band heads at 252.88 and 238.79 nm were found. The continuous spectra due to Rayleigh scattering by fine particles were also observed. Variations of density of various species as a function of vertical position were revealed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01544022
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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