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The characteristics and properties chromatographically purified citrate synthase from the euphausiids Euphausia superba (Antarctica) and Meganyctiphanes norvegica (Scandinavian Kattegat and Mediterranean Sea) and from the isopods Serolis polita (Antarctica) and Idotea baltica (Baltic Sea) were used to elucidate biochemical mechanisms of temperature(More)
REINI-IARD SABOROWSKI*'~, FRIEDRICH BUCHHOLZ*, RALF-ACHIM H. VETTER*, STEPHAN J. WIRTH~ and GERHARD A. WOLF~ *Institut ffir Meereskunde an der Christian-Albrechts-Universit/it, Dfisternbrooker Weg 20, D-2300 Kiel 1, Germany (Tel. 0431-5973938; Fax 0431-565876); and ~Institut ffir Pflanzenpathologie und Pflanzenschutz der Georg-August Universit/it,(More)
OBJECTIVE Coagulation factor XI (FXI) has been shown to contribute to thrombus formation on collagen or tissue factor-coated surfaces in vitro and in vivo by enhancing thrombin generation. Whether the role of the intrinsic pathway of coagulation is restricted to the local site of thrombus formation is unknown. This study was aimed to determine whether FXI(More)
Phospholamban, a sarcoplasmic reticulum phosphoprotein, is present in the hearts of mammalian, avian, amphibian, and fish species. Phylogenetic changes are indicated by marked differences among species in cardiac phospholamban content and by the absence of Ca2+/calmodulin-dependent phospholamban phosphorylation at an early developmental stage.
N-acetyl-β-d-glucosaminidase, a chitin-degrading enzyme, is highly active in the integument and digestive tract of euphausiids. The enzyme was used as a model to compare temperature-dependent enzymatic parameters of Antarctic krill, Euphausia superba, with those of a euphausiid species (Meganyctiphanes norvegica) found in both the Scandinavian Kattegat and(More)
Citrate synthase is a regulatory enzyme of the energy metabolism pathway controlling the citric acid cycle. It was studied in order to determine modes of enzyme regulation with regard to the life-style of the investigated species. Citrate synthase from crustaceans with different life-styles were compared: the pelagic euphausiids Euphausia superba from the(More)
Thrombus growth at the site of vascular injury is mediated by the sequential events of platelet recruitment, activation and aggregation concomitant with the initiation of the coagulation cascade, resulting in local thrombin generation and fibrin formation. While the biorheology of a localized thrombus formation has been well studied, it is unclear whether(More)
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