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  • 1
    Electronic Resource
    Electronic Resource
    Expression of an ascidian gene in the tip of the tail of tail-bud-stage embryos (1998)
    Springer
    Development genes and evolution 208 (1998), S. 164-167 
    Details
    ISSN: 1432-041X
    Keywords: Key words Ascidians ; Tail bud ; Tip of the tail ; Specific genes ; SCP/TPX family sequences
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  The occurrence of tadpole-type larvae is one of the key events used to understand the origin and evolution of chordates, and the tail bud of chordate embryos is thought to be associated with formation of the tip of the tail. Although some transcriptional factor genes including Brachyury are expressed in the tail bud, no structural genes have been reported to be expressed there. We report here that an ascidian gene HrTT-1 is expressed exclusively in the tip of elongating tail of the tail-bud embryo. This gene encodes a possible secreted protein of 415 amino acids with the SCP/TPX family consensus sequences.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004270050169
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Intermediate complex of ATP hydrolysis and synthesis by muscle proteins (1975)
    New York, N.Y. : Wiley-Blackwell
    Journal of Supramolecular Structure 3 (1975), S. 333-337 
    Details
    ISSN: 0091-7419
    Keywords: Life Sciences ; Molecular Cell Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Myosin catalyzed exchange between 32Pi and ATP in reaction medium during its enzymatic hydrolysis of ATP only by a very small amount. Addition of actin increased to a great extent the rate of incorporation of 32Pi in the presence of Mg. Glycerinated smooth muscle fibers also exhibited the ability to exchange 32Pi and ATP upon the application of external force (repeated stretching and releasing). A schematic mechanism of the action of actin and external force on acceleration of 32Pi incorporation is proposed and the importance of the M*-ADP complex for force generation is suggested.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jss.400030404
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    Paper (German National Licenses)
    Fulltext
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