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  • 1
    Electronic Resource
    Electronic Resource
    Occurrence of palindromic sequences in wheat DNA
    Amsterdam : Elsevier
    Plant Science Letters 5 (1975), S. 379-385 
    Details
    ISSN: 0304-4211
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0304-4211(75)90004-8
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Heterogeneity of plastid DNA of two species of brown algae
    Amsterdam : Elsevier
    Plant Science Letters 29 (1983), S. 243-253 
    Details
    ISSN: 0304-4211
    Keywords: Brown algae ; Circular molecules ; Heterogeneity ; Plastid DNA
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0304-4211(83)90149-9
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Photosynthetic Capacities and Growth Characteristics of Nicotiana tabacum (cv. Xanthi) Cell Suspension Cultures (1977)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 41 (1977), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Photoheterotrophic growth of cell suspensions of Nicotiana tabacum L. (cv. Xanthi) in organic culture medium enriched in sucrose (30 g per liter) showed a classical sigmoid growth curve. The cells developed functional chloroplast structures during the exponential growth phase, when their chlorophyll content increased steadily. A limited drop (30%) in the chlorophyll amount and structural changes of the plastids (starch accumulation) were observed during the lag phase. The measurements of photosynthetic capacities (O2 evolution and CO2 fixation) during the growth cycle revealed changes in the photosynthetic ratio (O2/CO2), which was near 1 during the lag and stationary phases and near 2 during exponential growth. During exponential growth there was also a rapid NO3− uptake. Analysis of label distribution among the products of 14CO2 fixation showed that both CO2 assimilation pathways, linked to the ribulose-biphosphate carboxylase (the autotrophic pathway) and to phosphoenolpyruvate carboxylase (the non-autotrophic pathway) were operative with an important increase of the capacity of the latter during the exponential growth phase. Maximum rate of oxygen evolution, either endogenous or with p-benzoquinone as Hill reagent, as well as the increased CO2 Fixation capacity via the non-autotrophic pathway during the exponential phase were concomitant with a high cyanide inhibited O2 uptake.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1977.tb05541.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    DNA sequence homology in Rhizobium meliloti plasmids (1981)
    Springer
    Molecular genetics and genomics 182 (1981), S. 189-195 
    Details
    ISSN: 1617-4623
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Plasmids were recovered by an alkaline procedure from six symbiotically effective strains of Rhizobium meliloti of diverse geographical origin, reported to harbour only one middle-size large plasmid (ranging from 89 to 143 Megadaltons). Each purified plasmid was digested with eight restriction endonucleases; cleavage patterns were very complex: only KpnI and XbaI gave a limited number of bands. Fingerprints were very different, whatever the restriction enzyme or the geographical origin of the strains. However, Southern DNA-DNA hybridizations revealed that the plasmids showed homologous sequences having a high thermal stability. We gave evidence that some of these sequences are common to all the plasmids of R. meliloti. The biological function of these common sequences is unknown. Hybridization with cloned nitrogen fixation (nif) genes from Klebsiella pneumoniae had demonstrated that nif genes were not located on the middle — size plasmids of R. meliloti studied in this paper.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00269657
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    Paper (German National Licenses)
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