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Kepenek Eda Seyma Ozcinar Evren Tuncay Erkan Akcali Kamil Can Akar Ahmet Ruchan Turan Belma 《Molecular and cellular biochemistry》2020,463(1-2):33-44
Molecular and Cellular Biochemistry - Excitation–contraction coupling in normal cardiac function is performed with well balanced and coordinated functioning but with complex dynamic... 相似文献
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In the environment, bacteria can be exposed to the concentration gradient of toxic heavy metals (gradual) or sudden high concentration of them (acute). In both situations, bacteria get acclimated to toxic heavy metal concentrations. Acclimation causes metabolic and molecular changes in bacteria. In this study, we aimed to understand whether there are differences between molecular profiles of the bacteria (Brevundimonas, Gordonia and Microbacterium) which are under acute or gradual exposure to cadmium or lead by using ATR‐FTIR spectroscopy. Our results revealed the differences between the acclimation groups in membrane dynamics including changes in the structure and composition of the membrane lipids and proteins. Furthermore, protein concentrations decreased in acclimated bacterial groups. Also, a remarkable increase in exopolymer production occurred in acclimated groups. Interestingly, bacteria under acute cadmium exposure produced the significantly higher amount of exopolymer than they did under gradual exposure. On the contrary, under lead exposure gradually acclimate strains produced significantly higher amounts of exopolymer than those of acutely acclimated ones. This information can be used in bioremediation studies to obtain bacterial strains producing a higher amount of exopolymer. 相似文献
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Blackberry mutants were induced by the irradiation of blackberry shoots with 5 kilo radians of cobalt (60Co) gamma irradiation. Seven mutant plants demonstrating improved plant growth properties were selected for evaluation of
the fruit quality characteristics, such as size, shape, color, firmness, soluble solids content, juice acidity, nutritive
value (e.g. ascorbic acid) and overall fruit flavor. The organoleptic properties, including texture, firmness, flavor, sweetness, acidity,
color, and overall fruit flavor, were evaluated by a consumer panel. The results indicated that irradiation induced changes
in some of the quality parameters of blackberry fruits, as well as increased the fruit shelf-life. 相似文献
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