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  • amino acidsbioorganic chemistrycarboxamidation reactionchemically modifiedDNA nucleosidesnucleic acids  (1)
  • diapause  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Diapause induction in adults of three Rhipicephalus appendiculatus stocks (1999)
    Springer
    Experimental and applied acarology 23 (1999), S. 961-968 
    Details
    ISSN: 1572-9702
    Keywords: Rhipicephalus appendiculatus ; ticks ; diapause ; voltinism ; physiological age
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Newly-moulted adults of three Rhipicephalus appendiculatus stocks, originating from Kenya, Zambia and Zimbabwe, were kept in different photoperiods (12h : 12h, 13h : 11h and 14h : 10h light : dark). The stock originating from Kenya showed almost no behavioural diapause in any of these day lengths, whereas virtually all individuals of the Zimbabwean stock entered a behavioural diapause irrespective of day length. Adults from the Eastern Province of Zambia, a transition zone between the multivoltine phenology in equatorial Africa and the univoltine in southern Africa, exhibited a photoperiod-dependent diapause response. The possible mechanisms of diapause regulation and their origin are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006363316638
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    Versatile synthesis of amino acid functionalized nucleosides via a domino carboxamidation reaction (2014)
    Beilstein-Institut
    Details
    Publication Date: 2014-11-07
    Description: Functionalized oligonucleotides have recently gained increased attention for incorporation in modified nucleic acid structures both for the design of aptamers with enhanced binding properties as well as the construction of catalytic DNA and RNA. As a shortcut alternative to the incorporation of multiple modified residues, each bearing one extra functional group, we present here a straightforward method for direct linking of functionalized amino acids to the nucleoside base, thus equipping the nucleoside with two extra functionalities at once. As a proof of principle, we have introduced three amino acids with functional groups frequently used as key-intermediates in DNA- and RNAzymes via an efficient and straightforward domino carboxamidation reaction. Beilstein J. Org. Chem. 2014, 10, 2566–2572. doi:10.3762/bjoc.10.268
    Keywords: amino acidsbioorganic chemistrycarboxamidation reactionchemically modifiedDNA nucleosidesnucleic acids
    Electronic ISSN: 1860-5397
    Topics: Chemistry and Pharmacology
    Published by Beilstein-Institut
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