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  • 1
    Electronic Resource
    Electronic Resource
    Regeneration of cytoplasmic male sterile protoclones of Nicotiana sylvestris with mitochondrial variations (1988)
    Springer
    Current genetics 13 (1988), S. 261-266 
    Details
    ISSN: 1432-0983
    Keywords: Somaclonal variation ; Mitochondrial DNA ; Protein synthesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary One fertile and two male-sterile diploid plants were regenerated from the same callus after two cycles of protoplast culture from fertile Nicotiana sylvestris. Genetic studies indicated that the male-sterile trait was under cytoplasmic control. Progenies of each regenerated plant possessed different mitochondrial (mt) DNA restriction patterns. Both cms protoclone types were characterized by specific mtDNA deletions. In addition, a 40 kD mitochondrially encoded polypeptide is lacking in the cms plants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00387773
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Evaluation of the central retina and optic nerve function in media opacities (1986)
    Springer
    Documenta ophthalmologica 63 (1986), S. 101-106 
    Details
    ISSN: 1573-2622
    Keywords: Flicker ERG ; flicker VECP ; maculopathy ; media opacities ; optic atrophy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Conventional electroretinogram (ERG) and pattern VECP (or visual evoked cortical potential) are of limited value in estimating visual function in eyes with media opacities. We used a method consisting of flicker ERG and flicker VECP to successfully overcome this limitation. Three of 25 eyes with cataract had a reduced flicker VECP. These 3 patients also had a history of glaucomatous optic nerve damage. Normal flicker VECP was found in some patients with reduced flicker ERG or reduced scotopic and photopic a-wave. Analysis of the results showed that the flicker VECP is independent of the ERG and flicker ERG. Utilizing this method we could rule out maculopathy and optic nerve damage in patients with media opacities as well as recognize optic nerve damage in patients with coexisting maculopathy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00153017
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    Paper (German National Licenses)
    Fulltext
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