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  • Gene isolation  (2)
  • Heart  (2)
  • Springer  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Isolation of the DNA sequence coding indole-3-glycerol phosphate synthetase and Phosphoribosylanthranilate isomerase of Schizophyllum commune (1986)
    Springer
    Current genetics 10 (1986), S. 909-913 
    Details
    ISSN: 1432-0983
    Keywords: E. coli trpC ; Schizophyllum TRP1 ; Complementation ; Gene isolation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A Schizophyllum gene library was made in plasmid pRK9, Plasmids from this library were tested for their ability to complement several auxotrophic mutations of Escherichia coli. The goal was to isolate a Schizophyllum auxotrophic gene that could be used to transform a corresponding Schizophyllum auxotrophic mutant to prototrophy. Complementation was observed only for E. coli trpC indole 3-glycerol phosphate synthetase (IGPS) and phosphoribosyl-anthranilate isomerase (PRAI) mutations. Plasmids with a Schizophyllum sequence coding for both IGPS and PRAI activities were recovered from E. coli transformants. Expression of the Schizophyllum gene (TRP1) in E. coli is probably dependent on the Serratia marcescens promoter of plasmid pRK9. The DNA sequence containing the Schizophyllum TRP1 gene was not obviously rearranged in cloning.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00398288
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  • 2
    Electronic Resource
    Electronic Resource
    The isolation of specific genes from the basidiomycete Schizophyllum commune (1987)
    Springer
    Current genetics 12 (1987), S. 547-554 
    Details
    ISSN: 1432-0983
    Keywords: Schizophyllum commune ; Transformation ; Gene isolation ; Basidiomycetes ; Recombinant DNA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary We have developed a routine way to isolate genes directly from the basidiomycete fungus, Schizophyllum commune. Plasmid DNA from a genomic gene library was used to isolate five specific genes by complementation of Schizophyllum mutations via transformation. The mutant strains were deficient in the ability to synthesize either adenine (ade2 and ade5), uracil (ural, encoding orotidine-5′-phosphate decarboxylase; OMPdecase), tryptophan (rpl, encoding indole-3-glycerol phosphate synthetase; IGPS) or para aminobenzoic acid (pab1). In each case, Southern analysis revealed that transformation to prototrophy was concomitant with the integration of vector sequence into the genome of the S. commune mutant. Total DNA from transformants was restricted, religated, and used to transform E. coli. Ampicillin resistant plasmids were recovered from E. coli and tested for their ability to transform the corresponding mutant of S. commune. Plasmids complementing the ade2, adeS, pabl, trpl, and ural mutations were recovered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00419565
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  • 3
    Electronic Resource
    Electronic Resource
    Tachykinin-like immunoreactivity in the sinus venosus of the dogfish (Scyliorhinus canicula) (1994)
    Springer
    Cell & tissue research 278 (1994), S. 171-175 
    Details
    ISSN: 1432-0878
    Keywords: Tachykinin ; Substance P ; Sinus venosus ; Heart ; Immunohistochemistry ; Dogfish, Scyliorhinus canicula (Elasmobranchii)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The sinus venosus of the elasmobranch heart is characterized by the presence of large bundles of unmyelinated nerve fibres that bulge into the cardiac lumen, below the endocardium. In the dogfish (Scyliorhinus canicula), these fibres contain numerous dense-core membrane-bounded granules of about 200 nm in diameter. Most intramural ganglion cells of the sinus venosus also show densely packed granules similar to those found in the subendocardial fibres. We have observed strong substance-P-like immunoreactivity in the large fibre bundles and in the perikarya of the ganglion cells. Preabsorption of the antisera with fragment 7–11 of substance P has shown that the antisera recognize the tachykinin canonic sequence. Our findings suggest that an undetermined tachykinin is secreted in the elasmobranch heart, and that it is probably released into the blood stream in the context of a little-known neuroendocrine system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00305789
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  • 4
    Electronic Resource
    Electronic Resource
    Tachykinin-like immunoreactivity in the sinus venosus of the dogfish (Scyliorhinus canicula) (1994)
    Springer
    Cell & tissue research 278 (1994), S. 171-175 
    Details
    ISSN: 1432-0878
    Keywords: Key words: Tachykinin ; Substance P ; Sinus venosus ; Heart ; Immunohistochemistry ; Dogfish ; Scyliorhinus canicula (Elasmobranchii)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. The sinus venosus of the elasmobranch heart is characterized by the presence of large bundles of unmyelinated nerve fibres that bulge into the cardiac lumen, below the endocardium. In the dogfish (Scyliorhinus canicula), these fibres contain numerous dense-core membrane-bounded granules of about 200 nm in diameter. Most intramural ganglion cells of the sinus venosus also show densely packed granules similar to those found in the subendocardial fibres. We have observed strong substance-P-like immunoreactivity in the large fibre bundles and in the perikarya of the ganglion cells. Preabsorption of the antisera with fragment 7–11 of substance P has shown that the antisera recognize the tachykinin canonic sequence. Our findings suggest that an undetermined tachykinin is secreted in the elasmobranch heart, and that it is probably released into the blood stream in the context of a little-known neuroendocrine system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00305789
    Location Call Number Expected Availability
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    Paper (German National Licenses)
    Fulltext
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