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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 213 (1967), S. 773-775 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Immediately after uptake of tritiated DNA into the bacterial cell, the label is located adjacent to the cell wall. Cell fractionation studies indicate that the newly acquired DNA is bound to the cytoplasmic membrane, not the cell ...
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 104-105 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] B. subtilis 168 I~C+ was grown for various intervals at 37 C with vigorous aeration in 800-c.c. cultures contained in 2-1. flasks. Three media were used: (A) the standard growth medium containing 0-5 per cent glucose, 0-005 M MgSO4, 50 [xg/ml. L-tryptophan, and 0-02 per cent casein hydrolysate5; ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Molecular genetics and genomics 133 (1974), S. 47-55 
    ISSN: 1617-4623
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The excretion of DNA by Bacillus subtilis cultures at the time of competence has been studied. A strain was isolated, RUB 758, which was unable to transform with excreted DNA, but was fully capable of transformation when either phenol-extracted bacterial DNA, bacteriophage DNA, or DNA released by lysed L-forms was used. The difference between excreted and extracted DNA could not be resolved by shearing extracted DNA or phenol treating excreted DNA.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Molecular genetics and genomics 189 (1983), S. 77-84 
    ISSN: 1617-4623
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A chimeric β-lactamase encoding plasmid, containing the 4.4 Mdal β-lactamase plasmid and the 2.6 Mdal cryptic plasmid of Neiseria gonorrhoeae has been characterized by physical and biological methods. Digestion with restriction enzymes indicates the presence of the following restriction sites: 1 site: AccI, AvaI, HgiAI, HincII, MstI, PstI, PvuII, XbaI and XorI; 2 sites: HindIII and BamHI; 3 sites: BclI, Sau961 and AvaII; 6 sites: HinfI; 〉8 sites: AluI, BbvI, DdeI, HhaI, HpaII, MspI, Sau3A, TacI and TaqI. No restriction sites were found for the following: BglI, BglII, BstEII, EcoRI, EcoRII, HpaI, HphII, KpnI, SacI, SalI, SmaI, SstI, SstII, and XhoI. Five plasmid specific proteins have been identified by DNA directed in vitro protein synthesis (43K, 41K, 30K, 16K and 14K). The location on the physical map of the coding regions for each of these proteins has been determined by the following methods: using plasmid DNA restricted by various enzymes in an in vitro protein synthesis system; identifying promoter-containing regions by digesting plasmid DNA with DdeI, adding RNA polymerase and then determining which fragments are retained by nitrocellulose. This plasmid contains both parental phenotypes in that it encodes penicillin resistance and possesses the sequence necessary for uptake in the gonococcus. Transformation data indicate that this plasmid can function in both E. coli and N. gonorrhoeae and that growth in E. coli has no effect on the plasmid's ability to transform the gonococcus.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 326 (1987), S. 326-326 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-The recommendations contained in a recent report of a West German parliamentary commission on applications of 'genetic engineering' (Nature 325, 474; 1987) are, in some important respects, disquieting. Accompanying the usual ritual praise of the exploitation of 'genes' and the opportunities for ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Company
    Nature biotechnology 5 (1987), S. 184-184 
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] Defining “biotechnology” or “genetic engineering” is an elusive task, indeed, perhaps because the terms do not represent natural groupings of processes or products. They connote something different to individual commentators, journalists, organizations, Congressional ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Company
    Nature biotechnology 6 (1988), S. 1385-1392 
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] A small but important fraction of the products the Food and Drug Administration (FDA) regulates arises from new technological achievements. Nowhere is this more evident than in biotechnology, whose powerful tools have already created myriad products—including food additives, drugs, biologies, ...
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  • 8
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 16 (1951), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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