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21.
Glucose 6-phosphate plays a central role in the activation of glycogen synthase by glucose in hepatocytes 总被引:3,自引:0,他引:3
C J Ciudad A Carabaza J J Guinovart 《Biochemical and biophysical research communications》1986,141(3):1195-1200
The state of activation of glycogen synthase enhanced by glucose, other sugars and gluconeogenic precursors shows a strong positive correlation with the intracellular concentrations of glucose 6-P when ATP concentrations remain constant. The concentrations of glucose 6-P achieved upon incubation of hepatocytes with glucose plus mannoheptulose, an inhibitor of glucokinase and hexokinase, were lower than those found when the incubation was carried out with glucose alone. Under these conditions, in keeping with the decrease in glucose 6-P, the activation of glycogen synthase by glucose was also impaired. On the other hand the inactivation of glycogen phosphorylase was not altered in the presence of mannoheptulose. 相似文献
22.
Ectopic position of duplicated KIT gene in African Nguni cattle,associated with color sidedness,confirms its shared ancestry with the Bos taurus lineage
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23.
Desiré L. Dalton Adrian Tordiffe Ilse Luther Assumpta Duran Anna M. van Wyk Helene Brettschneider Almero Oosthuizen Catherine Modiba Antoinette Kotzé 《Genetica》2014,142(3):265-271
Hybridization of wildlife species, even in the absence of introgression, is of concern due to wasted reproductive effort and a reduction in productivity. In this study we detail an accidental mating between a female nyala (Tragelaphus angasii) and a male greater kudu (T. strepsiceros). The hybrid was phenotypically nyala and was identified as such based on mitochondrial DNA. Further genetic analysis based on nine microsatellite markers, chromosome number and chromosome morphology however, confirmed its status as an F1 hybrid. Results obtained from a reproductive potential assessment indicated that this animal does not have the potential to breed successfully and can be considered as sterile. 相似文献