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Thermodynamic analysis of microbial ...

LaRowe, Douglas Edward.

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Thermodynamic analysis of microbial metabolism in hydrothermal systems.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Thermodynamic analysis of microbial metabolism in hydrothermal systems./
作者:	LaRowe, Douglas Edward.
面頁冊數:	203 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-08, Section: B, page: 4127.
Contained By:	Dissertation Abstracts International66-08B.
標題:	Biogeochemistry. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3187080
ISBN:	0542294443

Thermodynamic analysis of microbial metabolism in hydrothermal systems.
LaRowe, Douglas Edward.

Thermodynamic analysis of microbial metabolism in hydrothermal systems. - 203 p.

Source: Dissertation Abstracts International, Volume: 66-08, Section: B, page: 4127.

Thesis (Ph.D.)--University of California, Berkeley, 2005.

Quantifying the thermodynamic relation between microorganisms and high-temperature and/or pressure environments is essential to understanding the biogeochemistry of hydrothermal systems. In order to better understand the mass and energy transfer that occurs among microorganisms and their geologic environments, the thermodynamic properties and revised HKF equations of state parameters for biomolecules common to all organisms have been generated. These data are used to evaluate the generalized set of equations and reactions that characterize some of the overall metabolic reactions involving the conversion of environmentally-available electron flow into ATP in hydrothermal systems. Although few of the experimental calorimetric data describing biomolecules at high temperatures and pressures have been published, recent advances in theoretical biogeochemistry make it possible to calculate these properties using the limited experimental data available in the literature together with group additivity algorithms, reference model compounds and reactions, and the revised HKF equations of state. This approach permits calculation of the standard molal thermodynamic properties of the 120 common protonated and deprotonated nucleotides and their constituent nucleic-acid bases and nucleosides, magnesium-complexed adenosine nucleotides, nicotinamide adenine dinucleotides (NADs), nicotinamide adenine dinucleotide phosphates (NADPs), and associated compounds. The thermodynamic properties and revised HKF equations of state parameters generated in the present study were used to construct a quantitative model describing the microbial coupling of irreversible redox reactions to otherwise endergonic biochemical reactions responsible for synthesizing biomass at elevated temperatures and pressures. The microbial coupling model developed in the present study can be used to quantify the synthesis of ATP from ADP and phosphate in terms of the flow of electrons from any donor to any acceptor. The approach taken throughout this study includes taking into account the identification of the specific species and reactions describing the flow of electrons from food source to electron acceptor and the environmental conditions defining the system of interest. The thermodynamic data and coupling model developed in the present study can be used to quantify the mass and energy transfer in any biogeochemical system.

ISBN: 0542294443Subjects--Topical Terms:

545717
Biogeochemistry.

Thermodynamic analysis of microbial metabolism in hydrothermal systems.
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