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- Dynamic_energy_budget abstract "The Dynamic Energy Budget (DEB) theory aims to identify simple quantitative rules for the organization of metabolism of individual organisms that can be understood from basic first principles. The word "dynamic" refers to the life cycle perspective of the theory, where the budget changes dynamically over time.Cornerstones of the theory are: conservation of mass, energy and time, relationships between surface area and volume stoichiometric constraints on production organisational uncoupling of metabolic modules strong and weak homeostasis substrate(s) from the environment is/are first converted to reserve(s) before being used for further metabolismThey are essential to understand evolution of metabolic organisation since the origin of life. DEB theory delineates reserves, as separate from structure.Reserves are synthesized from environmental substrates (food) for use by the metabolism for the purpose of somatic maintenance (including protein turnover, maintenance of concentration gradients across membranes, activity and other types of work), growth (increase of structural mass), maturity maintenance (installation of regulation systems, preparation for reproduction, maintenance of defense systems, such as the immune system), maturation (increase of the state of maturity) and reproduction. This organizational position of reserve creates a rather constant internal chemical environment, with only an indirect coupling with the extra-organismal environment. Reserves as well as structure are taken to be generalised compounds, i.e. mixtures of a large number of compounds, which do not change in composition. The latter requirement is called the strong homeostasis assumption. Polymers (carbohydrates, proteins, ribosomal RNA) and lipids form the main bulk of reserves and of structure. Some reasons for including reserve are to give an explanation for:the metabolic memory; changes in food (substrate) availability affect production (growth or reproduction) with some delay. Growth continues for some time during starvation; embryo development is fueled by reservesthe composition of biomass depends on growth rate. With two components (reserves and structure) particular changes in composition can be captured. More complex changes require several reserves, as is required for autotrophs.the body size scaling of life history parameters. The specific respiration rate decreases with (maximum) body size between species because large bodied species have relatively more reserve. Many other life history parameters directly or indirectly relate to respiration.the observed respiration patterns, which reflect the use of energy. Freshly laid eggs hardly respire, but their respiratory rates increase during development while egg weight decreases. After hatching, however, the respiration rate further increases, while the weight now also increasesall mass fluxes are linear combinations of assimilation, dissipation and growth. If reserves are omitted, there is not enough flexibility to capture product formation and explain indirect calorimetry.The standard model quantifies the metabolism of isomorphs with 1 reserve and 1 structure that feeds on one type of food with a constant composition. The rules for the standard model for reproducing multicellulars, and modified for dividing unicellulars, are:".
- Dynamic_energy_budget wikiPageExternalLink index.html.
- Dynamic_energy_budget wikiPageID "3368580".
- Dynamic_energy_budget wikiPageLength "9403".
- Dynamic_energy_budget wikiPageOutDegree "64".
- Dynamic_energy_budget wikiPageRevisionID "670071022".
- Dynamic_energy_budget wikiPageWikiLink Ageing.
- Dynamic_energy_budget wikiPageWikiLink Aging.
- Dynamic_energy_budget wikiPageWikiLink Allometry.
- Dynamic_energy_budget wikiPageWikiLink Allotropes_of_oxygen.
- Dynamic_energy_budget wikiPageWikiLink Ammonia.
- Dynamic_energy_budget wikiPageWikiLink Autotroph.
- Dynamic_energy_budget wikiPageWikiLink Biodegradation.
- Dynamic_energy_budget wikiPageWikiLink Biomass.
- Dynamic_energy_budget wikiPageWikiLink Biotechnology.
- Dynamic_energy_budget wikiPageWikiLink Calorimetry.
- Dynamic_energy_budget wikiPageWikiLink Carbohydrate.
- Dynamic_energy_budget wikiPageWikiLink Carbon_dioxide.
- Dynamic_energy_budget wikiPageWikiLink Category:Developmental_biology.
- Dynamic_energy_budget wikiPageWikiLink Category:Metabolism.
- Dynamic_energy_budget wikiPageWikiLink Category:Systems_biology.
- Dynamic_energy_budget wikiPageWikiLink Cell_(biology).
- Dynamic_energy_budget wikiPageWikiLink Comparative_physiology.
- Dynamic_energy_budget wikiPageWikiLink DEBtox.
- Dynamic_energy_budget wikiPageWikiLink Developmental_biology.
- Dynamic_energy_budget wikiPageWikiLink Dioxygen.
- Dynamic_energy_budget wikiPageWikiLink Dynamic_reserve.
- Dynamic_energy_budget wikiPageWikiLink Egg.
- Dynamic_energy_budget wikiPageWikiLink Egg_(biology).
- Dynamic_energy_budget wikiPageWikiLink Energy_balance_(biology).
- Dynamic_energy_budget wikiPageWikiLink Energy_homeostasis.
- Dynamic_energy_budget wikiPageWikiLink Eriksons_stages_of_psychosocial_development.
- Dynamic_energy_budget wikiPageWikiLink Evolutionary_physiology.
- Dynamic_energy_budget wikiPageWikiLink Fetus.
- Dynamic_energy_budget wikiPageWikiLink Foetus.
- Dynamic_energy_budget wikiPageWikiLink Generalised_compound.
- Dynamic_energy_budget wikiPageWikiLink Heat.
- Dynamic_energy_budget wikiPageWikiLink Homeostasis.
- Dynamic_energy_budget wikiPageWikiLink Immune_system.
- Dynamic_energy_budget wikiPageWikiLink Individual_growth.
- Dynamic_energy_budget wikiPageWikiLink Isomorph.
- Dynamic_energy_budget wikiPageWikiLink Lipid.
- Dynamic_energy_budget wikiPageWikiLink Maintenance_of_an_organism.
- Dynamic_energy_budget wikiPageWikiLink Mass_balance.
- Dynamic_energy_budget wikiPageWikiLink Measures_of_pollutant_concentration.
- Dynamic_energy_budget wikiPageWikiLink Metabolic_theory_of_ecology.
- Dynamic_energy_budget wikiPageWikiLink Metabolism.
- Dynamic_energy_budget wikiPageWikiLink Modularity_(biology).
- Dynamic_energy_budget wikiPageWikiLink Neoplasm.
- Dynamic_energy_budget wikiPageWikiLink No_effect_concentration.
- Dynamic_energy_budget wikiPageWikiLink Organism.
- Dynamic_energy_budget wikiPageWikiLink Population.
- Dynamic_energy_budget wikiPageWikiLink Power_law.
- Dynamic_energy_budget wikiPageWikiLink Protein.
- Dynamic_energy_budget wikiPageWikiLink Reproduce.
- Dynamic_energy_budget wikiPageWikiLink Reproduction.
- Dynamic_energy_budget wikiPageWikiLink Respiration_(physiology).
- Dynamic_energy_budget wikiPageWikiLink Respiratory_rate.
- Dynamic_energy_budget wikiPageWikiLink Ribosomal_RNA.
- Dynamic_energy_budget wikiPageWikiLink Risk_assessment.
- Dynamic_energy_budget wikiPageWikiLink Scaling_law.
- Dynamic_energy_budget wikiPageWikiLink Starvation.
- Dynamic_energy_budget wikiPageWikiLink Stoichiometric.
- Dynamic_energy_budget wikiPageWikiLink Stoichiometry.
- Dynamic_energy_budget wikiPageWikiLink Synthesizing_Unit.
- Dynamic_energy_budget wikiPageWikiLink Syntrophy.
- Dynamic_energy_budget wikiPageWikiLink Time_balance.
- Dynamic_energy_budget wikiPageWikiLink Toxicant.
- Dynamic_energy_budget wikiPageWikiLink Tumour.
- Dynamic_energy_budget wikiPageWikiLink V0-morph.
- Dynamic_energy_budget wikiPageWikiLink V1-morph.
- Dynamic_energy_budget wikiPageWikiLinkText "Dynamic energy budget".
- Dynamic_energy_budget wikiPageWikiLinkText "dynamic energy budget".
- Dynamic_energy_budget hasPhotoCollection Dynamic_energy_budget.
- Dynamic_energy_budget wikiPageUsesTemplate Template:Citation_style.
- Dynamic_energy_budget wikiPageUsesTemplate Template:Ref_improve.
- Dynamic_energy_budget wikiPageUsesTemplate Template:Too_few_opinions.
- Dynamic_energy_budget subject Category:Developmental_biology.
- Dynamic_energy_budget subject Category:Metabolism.
- Dynamic_energy_budget subject Category:Systems_biology.
- Dynamic_energy_budget type Process.
- Dynamic_energy_budget comment "The Dynamic Energy Budget (DEB) theory aims to identify simple quantitative rules for the organization of metabolism of individual organisms that can be understood from basic first principles.".
- Dynamic_energy_budget label "Dynamic energy budget".
- Dynamic_energy_budget sameAs m.097_vv.
- Dynamic_energy_budget sameAs Q5318973.
- Dynamic_energy_budget sameAs Q5318973.
- Dynamic_energy_budget wasDerivedFrom Dynamic_energy_budget?oldid=670071022.
- Dynamic_energy_budget isPrimaryTopicOf Dynamic_energy_budget.