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  • gene expression  (2)
  • Boundary definition  (1)
  • Springer  (3)
  • Wiley
  • 1
    Electronic Resource
    Electronic Resource
    Environmental gradients in northwest freshwater wetlands (1986)
    Springer
    Environmental management 10 (1986), S. 125-134 
    Details
    ISSN: 1432-1009
    Keywords: Wetlands ; Environmental characteristics ; Boundary definition ; Zonal properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Wetland environmental characteristics are examined to determine their spatial and temporal relationships. Two very different Oregon freshwater wetlands provided a range of wetland types. Results are evaluated to determine the possible use of environmental characteristics in defining wetlands and their boundaries. Representative physical, hydrological, and edaphic properties were periodically measured in microplots along upland/wetland transects. A multivariate approach is stressed in the data analysis; correlation, cluster analysis, and principal components analyses were used. The results indicate the environmental characteristics change in a quantifiable manner both spatially and temporally. The controlling mechanism is moisture, spatially in terms of the upland/wetland transect and temporally with respect to seasonal response. These changes do not correlate well with vegetation. Several hypotheses are offered as an explanation. Correlation within environmental characteristics is variable but definite patterns are discernible. These data suggest both single and combinations of environmental characteristics that could serve as “keys” in wetland identification and boundary determination. However, before extensive use is made of this information additional long-term monitoring of wetland environmental characteristics will be required.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01866425
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  • 2
    Electronic Resource
    Electronic Resource
    Uncoupling Protein 3: Its Possible Biological Role and Mode of Regulation in Rodents and Humans (1999)
    Springer
    Journal of bioenergetics and biomembranes 31 (1999), S. 467-473 
    Details
    ISSN: 1573-6881
    Keywords: Uncoupling proteins ; fatty acids ; skeletal muscle ; brown adipose tissue ; obesity ; thermogenesis ; gene expression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Physics
    Notes: Abstract The recently discovered uncoupling protein 3 (UCP3) is highly homologous to the mitochondrialinner membrane protein UCP1, which generates heat by uncoupling the respiratory chainfrom oxidative phosphorylation. The thermogenic function of UCP1 protects against cold andregulates the energy balance in rodents. We review in vitro studies investigating the uncouplingactivity of UCP3 and in vivo studies, which address UCP3 gene expression in brown adiposetissue and skeletal muscle under various metabolic conditions. The data presented are, for themost, consistent with an uncoupling role for UCP3 in regulatory thermogenesis. We alsodiscuss mediators of UCP3 regulation and propose a potential role for intracellular fatty acidsin the mechanism of UCP3 modulation. Finally, we hypothesize a role for UCP3 in themetabolic adaptation of the mitochondria to the degradation of fatty acids.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005448423731
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  • 3
    Electronic Resource
    Electronic Resource
    Expression of anthocyanin biosynthesis pathway genes in red and white grapes (1996)
    Springer
    Plant molecular biology 32 (1996), S. 565-569 
    Details
    ISSN: 1573-5028
    Keywords: anthocyanin ; flavonoid ; gene expression ; grape ; proanthocyanidin ; Vitis vinifera
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The expression of seven genes from the anthocyanin biosynthesis pathway was determined in different tissues of Shiraz grapevines. All of the tissues contained proanthocyanidins, but only the berry skin accumulated anthocyanins. In most tissues, all of the flavonoid genes except UDP glucose-flavonoid 3-o-glucosyl transferase (UFGT) were expressed, but UFGT expression was only detected in berry skin. Similar patterns of expression were observed in the skin of other red grapes. In white grapes, UFGT expression was not detected. White grape cultivars appear to lack anthocyanins because they lack UFGT, although they also had decreased expression of other flavonoid pathway genes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00019111
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