Abstract
Information is necessary in regulatory mechanisms which maintain a steady state of activity in individual cells as well as the whole organism. This state corresponds to a genetically encoded program. Without regulation biological processes would become progressively more and more chaotic. In living cells the primary source of information is genetic material. Studying the role of information in biology involves signaling (i.e. spatial and temporal transfer of information) and storage (preservation of information).
Regarding the role of the genome we can distinguish three specific aspects of biological processes: steady-state genetics, which ensure cell-level and body homeostasis; genetics of development, which controls cell differentiation and genesis of the organism; and evolutionary genetics, which drives speciation. A systemic approach to these phenomena must account for the quantitative and qualitative properties of information, explaining that the former are associated with receptor proteins while the latter correspond to biological effectors.
The ever growing demand for information, coupled with limited storage capacities, has resulted in a number of strategies for minimizing the quantity of the encoded information that must be preserved by living cells. In addition to combinatorial approaches based on noncontiguous genes structure, self-organization plays an important role in cellular machinery. Nonspecific interactions with the environment give rise to coherent structures despite the lack of any overt information store. These mechanisms, honed by evolution and ubiquitous in living organisms, reduce the need to directly encode large quantities of data by adopting a systemic approach to information management. Our work represents an attempt to employ the similar mechanisms in the teaching process.
Information determines the function of regulatory mechanisms by reducing the entropy.
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Konieczny, L., Roterman-Konieczna, I., Spólnik, P. (2014). Information—its Role and Meaning in Organisms. In: Systems Biology. Springer, Cham. https://doi.org/10.1007/978-3-319-01336-7_3
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DOI: https://doi.org/10.1007/978-3-319-01336-7_3
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