نتایج جستجو برای: biochemical indicators organisms
تعداد نتایج: 328477 فیلتر نتایج به سال:
The simulation of biochemical networks provides insight and understanding about the underlying biochemical processes and pathways used by cells and organisms. BioNessie is a biochemical network simulator which has been developed at the University of Glasgow. This paper describes the simulator and focuses in particular on how it has been extended to benefit from a wide variety of high performanc...
The change in oceanic carbonate chemistry due to increased atmospheric PCO2 has caused pH to decline in marine surface waters, a phenomenon known as ocean acidification (OA). The effects of OA on organisms have been shown to be widespread among diverse taxa from a wide range of habitats. The majority of studies of organismal response to OA are in short-term exposures to future levels of PCO2 ....
The collection of papers in this special issue of The Journal of Experimental Biology (JEB) focuses largely on a theme that characterizes much of the research in the broad field of biochemical adaptation: unity in diversity. The ‘unity’ in question refers to the capacities of taxonomically diverse organisms evolved in vastly different environments to sustain a common set of biochemical structur...
Introduction Despite the predominance of invertebrate phyla in the animal kingdom, relatively very little is known about the mechanisms whereby invertebrates activate xenobiotics to toxic products, especially in organisms other than insects. Aquatic invertebrates are particularly susceptible to contaminant exposure and, to predict the risk to these organisms it is important to gain an understan...
Simplified dichotomous schemata are described for the identification of anaerobic bacteria commonly encountered in clinical material. The procedures used are combinations of routine biochemical tests and techniques that are used to uniformly characterize these organisms. Over 200 anaerobic organisms were used in a three-stage evaluation in which data were compared with those obtained by convent...
Phylogeny is the evolutionary history of a species or group of species. To reconstruct phylogeny, scientists use systematics, an analytical approach to classifying the diversity and determining the evolutionary relationships of living and extinct organisms. o Evidence used to reconstruct phylogenies can be obtained from the fossil record and from morphological, biochemical, and genetic simi...
Abstract Cellular metabolism is very complex and extensively regulated. For many organisms we know almost the complete set of biochemical reactions in their metabolic network. However, it not well understood how these are regulated they interact order to enable cellular functions. In this review, describe recent methodological advances study networks with a focus on bacterial metabolism.
Electrophysiology and optical indicators have been used in vertebrate systems to investigate excitable cell firing and calcium transients, but both techniques have been difficult to apply in organisms with powerful reverse genetics. To overcome this limitation, we expressed cameleon proteins, genetically encoded calcium indicators, in the pharyngeal muscle of the nematode worm Caenorhabditis el...
Oral fructose has been shown to reduce the degree and duration of alcohol intoxication by increasing the rate of alcohol elimination from bloodstream. Fructose feeding has also been reported to induce insulin resistance and the resistance is characterized by increase in both blood glucose and triacylglycerol (TAG) levels. We report the synergistic effect of ethanol and fructose administration o...
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