• D. melanogaster remains one of the most widely used eukaryotic model organisms. (wikipedia.org)
  • A eukaryotic cell may be an individual organism, such as the amoeba, or a highly specialized part of a multicellular organism, such as a neuron . (jrank.org)
  • Brown algae belong to the group Heterokontophyta , a large group of eukaryotic organisms distinguished most prominently by having chloroplasts surrounded by four membranes, suggesting an origin from a symbiotic relationship between a basal eukaryote and another eukaryotic organism. (wikipedia.org)
  • In unicellular organisms like E. coli and yeast, the benefits of between potential cost and benefit, regulation can make the most a well-adapted regulatory system are readily quantified, as the difference to the long-term growth rate if the resource in question fitness of an individual can be estimated by its growth rate in is only available a similarly small fraction of the time. (lu.se)
  • Another focus is the shared programs that unicellular organisms and single cancer cells utilize for metabolism, motility, and mediation of toxicity. (lu.se)
  • We have recently identified in freshwater sponges the rqua gene which is responsible for anaerobic metabolism in protists and bacteria. (lu.se)
  • This strategy is made possible by the common descent of all living organisms, and the conservation of metabolic and developmental pathways and genetic material over the course of evolution. (wikipedia.org)
  • With TSI growth medium, the lack of sufficient fermentative metabolism, left the color of the medium a bright red color, for with little metabolic reactivity, there is no accompanying change in pH, and no change in the color of the pH sensitive indicator dye contained in the medium. (cdc.gov)
  • In the primeval oceans the first organisms found themselves surrounded by energy-rich organic substances that had been accumulating for millions of years. (ac.be)
  • These organisms digest proteins and several fetid substances arise, leading to bad breath. (medscape.com)
  • Visualization of glucose metabolism is of critical importance for clinical diagnostics and fundamental biological researches. (rsc.org)
  • This technique utilizes two glucose analogues to present the glucose metabolism, the 13 C-labelled 3-O-propargyl-D-glucose (3-OPG- 13 C 3 ) for glucose uptake and the D7-glucose for glucose incorporation. (rsc.org)
  • The microorganisms that produce natural antimicrobial drugs have to protect themselves from the products of their own secondary metabolism. (cdc.gov)
  • As among the most primitive multicellular organisms, sponges provide crucial insights into fundamental cellular processes. (lu.se)
  • Using intra-exosomal metabolomics, we provide compelling evidence that CDEs contain intact metabolites, including amino acids, lipids, and TCA-cycle intermediates that are avidly utilized by cancer cells for central carbon metabolism and promoting tumor growth under nutrient deprivation or nutrient stressed conditions. (elifesciences.org)
  • The gut microbiome has a circadian rhythm, so sticking to regular eating times can aid with nutrient metabolism. (whnt.com)
  • Even the crudest transcriptional network is shown to substantially increase the fitness of the organism, and this effect persists even when the range of nutrient levels is kept very narrow. (lu.se)
  • Identification and enumeration of indigenous micro-organisms in grape must. (wikiversity.org)
  • And so in the 1700s, a scientist by the name of Carl Linnaeus developed a binomial or a two part naming system for micro organisms. (pearson.com)
  • And so you can see that we've provided some images of these different organisms along with their scientific names. (pearson.com)
  • Similarly, various known biochemical disturbances in the organism may be caused by this compound. (cdc.gov)
  • This in silico model, which is based on biochemical rate equations, does not describe a specific organism, but the magnitudes of its parameters are chosen to match realistic values. (lu.se)
  • Its rapid embryonic development, the transparency of its embryos, the large number of offspring together with several other advantages make it ideal for discovering and understanding the genes that regulate embryonic development as well as the physiology of the adult organism. (nih.gov)
  • Based on Glycolysis and Gluconeogenesis Pathways at SGD and on Kruckeberg, AL and Dickinson, JR (2004) Carbon Metabolism in The Metabolism and Molecular Physiology of Saccharomyces cerevisiae, Dickinson, JR and Schweizer, M, eds, CRC Press. (wikipathways.org)
  • After successful attendance of this course the students are well prepared for the subsequent compulsory or elective subjects in the field of nutrition sciences (Human Nutrition 976.300, Nutrition Physiology 976.311, Metabolism Physiology 976.310). (boku.ac.at)
  • By purifying and analysing mitochondria from different cell types, we show that PINK-1 and PDR-1 are required to set heteroplasmy differences between major somatic tissue groups in C. elegans and that removal of these genes equalises ΔmtDNA heteroplasmy across the organism. (biorxiv.org)
  • A very natural place to study gene detecting and metabolizing lactose, it is known that the overall regulation is in the metabolism of the cell, and then specifically in effect of expressing the lac genes in vain is a drop in the growth rate the regulation of genes that code for enzymes and transporter of as much as 5% [1,6]. (lu.se)
  • 2. Some biological importance of the above disturbances seem evident if one considers the influence of nicotinic acid on the pathways of the lipid metabolism: Chronic exposure to CS2 results in changes of the lipid metabolism consisting of an increase of the cholesterol, phospholipids and triglycerides in blood. (cdc.gov)
  • Here, we briefly describe carotenoid biosynthesis and highlight the latest advances and discoveries related to synthetic carotenoid metabolism in plants and microorganisms. (frontiersin.org)
  • The effect of carbon disulphide on the metabolism of pyridine nucleotides and nicotinamide. (cdc.gov)
  • Our present studies on the metabolism of nicotinic acid in the course of carbon disulphide intoxications were started on the basis of the following earlier observations: 1. (cdc.gov)
  • Freshwater planaria, nonparasitic invertebrate animals belonging to the phylum Platyhelminthes, the flatworms, are organisms that are well-suited to educational purposes. (scienceinschool.org)
  • Resisting pathogens or organisms that can cause disease. (wwlp.com)
  • Phagocytes target organisms that cause disease (or pathogens) and toxins. (healthline.com)
  • In this activity, students can investigate how these organisms react to stimuli of light, food, and touch. (scienceinschool.org)
  • In recent years, the zebrafish has become a favourite model organism for biologists studying developmental processes in vertebrates. (nih.gov)
  • Altered cellular metabolism is a hallmark of cancer, and much of the published literature has focused on neoplastic cell-autonomous processes for these adaptations. (elifesciences.org)
  • Thus, the overall objective of this group includes defining how abnormalities in maternal nutrition and metabolism affect critical developmental processes that lead to later disease. (ohsu.edu)
  • After successful attendance of this course the students gained basic knowledge in the chemical composition and analyses of macronutrients as well as their general digestive processes with focus on monogastric organisms. (boku.ac.at)
  • A recognized fact which goes back to the earliest times is that every living organism is not the sum of a multitude of unitary processes, but is, by virtue of interrelationships and of higher and lower levels of control, an unbroken unity. (todayinsci.com)
  • However, studies from the biological sciences indicate that much of the brain's processes are in place to maintain allostasis, both of the brain itself and of the organism as a whole. (lu.se)
  • Its metabolism, including uptake and incorporation, is vital to sustain the energy consumption of living organisms. (rsc.org)
  • With respect to the changes in the metabolism of nicotinic acid it seemed to be interesting to find out the sources of the excess of nicotinic acid appearing in the urine in form of the N1-methylnicotinamide, if constant uptake of nicotinic acid from the food is accepted. (cdc.gov)
  • Used with organisms, except vertebrates, and with organs and tissues. (bvsalud.org)
  • After all, without some way to transfer energy for storage or use, organisms couldn't grow, react, or reproduce. (popsci.com)
  • Describe any interactions with other organisms (included eukaryotes), contributions to the environment, effect on environment, etc. (kenyon.edu)
  • It is important in fighting infectious organisms, and to eliminate them. (ohsu.edu)
  • Because nutrients are so hard to come by in a cave, cave organism's metabolisms adapt to work more efficiently on much less. (howstuffworks.com)
  • the organism has a higher concentration of the substance than the concentration in the organism's surrounding environment. (cityofhope.org)
  • Its abnormal metabolism can lead to increased risk for various endocrine disorders and cardiovascular diseases. (genome.jp)
  • Improving metabolism and synthesis of essential nutrients. (wwlp.com)
  • Most importantly, the very structure of organisms is dependent on the continuous metabolism of nutrients into ATP, and its use in maintaining homeostasis. (lu.se)
  • Model organisms are widely used to research human disease when human experimentation would be unfeasible or unethical. (wikipedia.org)
  • page needed] In researching human disease, model organisms allow for better understanding the disease process without the added risk of harming an actual human. (wikipedia.org)
  • singular: Bacterium) Single-celled organisms that are found throughout nature and can be beneficial or cause disease. (cdc.gov)
  • How does this organism cause disease? (kenyon.edu)
  • The necessary tools for considering the overall picture of the flow and degradation of energy in human society--the metabolism of the social organism, its primary function of self-maintenance--have been available for only a short time. (ac.be)
  • The energy released through fermentation gave these rudimentary organisms the means to survive, but only in a marginal way and while accumulating toxic wastes in their environment. (ac.be)
  • Having much more energy available than they needed for survival, the living organisms benefited from an energy surplus. (ac.be)
  • Every known organism harnesses energy in one of only a few ways. (popsci.com)
  • The microbes, found-of all places-in the mud off Catalina Island, California, do not metabolize energy like any organism scientists have ever seen. (popsci.com)
  • Most of ecology is about metabolism: the ways that organisms use energy and materials. (worldcat.org)
  • Ecological interactions are exchanges of energy and materials between organisms and their environments. (worldcat.org)
  • A model organism (often shortened to model) is a non-human species that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in the model organism will provide insight into the workings of other organisms. (wikipedia.org)
  • This review describes the advantages of the zebrafish as a model organism as well as giving an overview of eye development in this species. (nih.gov)
  • The majority of cave-dwelling organisms actually descended from aboveground species, thousands or even millions of years ago. (howstuffworks.com)
  • Now the second part of this naming system is going to indicate the species of the organism and this second part where the species is always going to have a first letter that is not capitalized. (pearson.com)
  • Researchers believe that by studying the genetic adaptations of these organisms, we can learn more about how biology works. (howstuffworks.com)
  • And so the first part of this latin based naming system indicates the genus of the particular organism, and this first part or the genus of the organism is always going to have a first letter that is capitalized. (pearson.com)
  • Nitrogen Metabolism is the polymeric nitrogen containing compounds proteins and nucleic acids that define the major attributes of organism such as function and structure. (udemy.com)
  • Now that scientists know what to look for, they are finding these strange electricity-eating organisms all over. (popsci.com)
  • Metabolism was a fundamental concept of natural science, and Liebig was one of its nineteenth-century pioneers. (monthlyreview.org)
  • human society, like any machine or organism, is no exception. (ac.be)
  • Although biological activity in a model organism does not ensure an effect in humans, many drugs, treatments and cures for human diseases are developed in part with the guidance of animal models. (wikipedia.org)
  • In both instances, Marx's notion of the robbery of the soil is intrinsically connected to the rift in the metabolism between human beings and the earth. (monthlyreview.org)
  • The robbery and the rift in nature's metabolism was also a robbery and a rift in the human metabolism. (monthlyreview.org)
  • Describe the appearance, habitat, etc. of the organism, and why it is important enough to have its genome sequenced. (kenyon.edu)
  • The mouse has since been used extensively as a model organism and is associated with many important biological discoveries of the 20th and 21st centuries. (wikipedia.org)
  • With a minimalist model of metabolism, cell growth and transcriptional regulation in a microorganism, we explore how the interaction between environmental conditions and gene regulation set the growth rate of cells in the phase of exponential growth. (lu.se)
  • Working with planaria allows students to gain a deeper understanding of various aspects of living organisms. (scienceinschool.org)
  • Subsequent research in model organisms led to further medical advances, such as Frederick Banting's research in dogs, which determined that the isolates of pancreatic secretion could be used to treat dogs with diabetes. (wikipedia.org)
  • Studying model organisms can be informative, but care must be taken when generalizing from one organism to another. (wikipedia.org)
  • There are many model organisms. (wikipedia.org)
  • Model organisms are drawn from all three domains of life, as well as viruses. (wikipedia.org)
  • There Marx referred to "the squandering of the vitality of the soil" by large-scale capitalist enterprise, generating "an irreparable rift in the interdependent process of social metabolism, a metabolism prescribed by the natural laws of life itself. (monthlyreview.org)
  • Together, these results suggest that PINK1 and parkin drive organism-wide patterns of heteroplasmy and provide evidence of a causal link between proteotoxicity, mitophagy, and mtDNA mutation levels in neurons. (biorxiv.org)
  • Acyl-CoA binding protein (ACBP) maintains a pool of fatty acyl-CoA molecules in the cell and plays a role in fatty acid metabolism. (rcsb.org)
  • They need the cell of a living organism, the so-called host. (bund.de)
  • By observing these remarkable creatures, students can explore organ systems, reproductive strategies, and the relationship between structure and function in living organisms. (scienceinschool.org)