Quantitative steps in symbiogenesis and the evolution of homeostasis

Article Abstract:

Symbiogenesis can repeat itself after specialization on particular assimilatory substrates. The structural biomass with a constant chemical composition can evolve in a varying environment if the parameters for the formation of products satisfy simple constraints. The quantitative aspects and delineate eight steps from two free- living interacting populations to a single fully integrated endosymbiotic one are discussed.

Symbiosis, Mitochondria, Endosymbiosis, Genetic research, Substrates

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Quantitative steps in the evolution of metabolic organization as specified by the Dynamic Energy Budget theory

Article Abstract:

Studies reveal that the Dynamic Energy Budget (DEB) theory quantifies the metabolic organization of organisms on the basis of mechanistically inspired assumptions. The likely quantitative steps by which its various modules such as maintenance, storage dynamics, development, differentiation and life stages could have evolved since the beginning of life are presented.

Netherlands, Metabolic regulation, Phototropism

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The thrifty phenotype as an adaptive maternal effect

Article Abstract:

The role of maternal biology in offspring developmental trajectory is addressed, focusing on alternative adaptive processes of mother and offspring operating at different tempos. Three specific adaptive processes and their role in the etiology of thrifty phenotype theory concerning the adaptation of organisms to environmental niches are discussed.

United Kingdom, Genetic aspects, Phenotype, Phenotypes, Metabolic syndrome X

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