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Organization and nucleotide sequence of the atp genes encoding the ATP synthase from alkaliphilic Bacillus firmus OF4
The atp operon from the extreme alkaliphile Bacillus firmus OF4 was cloned and sequenced, and shown to contain genes for the eight structural...
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Vesicular arbuscular mycorrhiza (VAM) in pioneer salt marsh plants of the Ganges river delta in West Bengal (India)
VA mycorrhizal colonization of four species of pioneer salt marsh plants including two species of chenopodiaceae at the terminal Gangetic delta in...
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Mechanisms of Receptor Regulation for the Phosphoinositide Signalling System
It is now well established that the stimulation of certain cell surface receptors is transduced to the cell interior via the activation of...
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Role of the Mitochondrial Outer Membrane in Dynamic Compartmentation of Adertine Nucleotides
Small molecules such as adenine nucleotides can pass the porin pores of mitochondrial outer membrane (VDAC) for exchange between mitochondria and...
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Growth inhibition of Clostridium thermocellum by carboxylic acids: A mechanism based on uncoupling by weak acids
The inhibition of Clostridium thermocellum strains by acetate and other organic acids (propionate, butyrate) can be explained by a model based on the...
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Activation of carbamoyl phosphate synthetase by cryoprotectants
Carbamoyl phosphate synthetase I (E.C.6.3.4.16) from rat liver is activated by a range of cryoprotectants. Their diverse chemical structure and the...
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Total synthesis of acetyl coenzyme a involved in autotrophic CO2 fixation inAcetobacterium woodii
The Gram positive anaerobe Acetobacterium woodii is able to grow autotrophically with a mixture of H 2 and CO 2 as the energy and carbon source. The...
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Effective coupling of four independent membrane systems in steady-state oxidative phosphorylation
Alexandre et al. have proposed a four-system model of oxidative phosphorylation. The thermodynamic consequences of this model are explored, assuming...
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Investigation of the temperature dependence of the cross bridge parameters for attachment, force generation and detachment as deduced from mechano-chemical studies in glycerinated single fibres from the dorsal longitudinal muscle of Lethocerus maximus
1) A study is presented on the effect of temperature on the mechanochemical states involved in the cross bridge cycle of single glycerinated dorsal...
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Nectar resource use by Colias butterflies
Nectar foraging preferences of Colias butterflies in two different mountain ecosystems are examined with respect to plant distribution, nectar...
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Changes in the free nucleotide pattern of spores from Phycomyces in relation to heat-induced germination
1. In dry spores the presence of considerable amounts of ATP, UTP and GTP can be demonstrated.
2. During the inbibition phase (stage I of free...
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Vergleichende Betrachtung des pflanzlichen Stoffwechsels
Die den Stoffwechsel bedingende molekulare Struktur und Mikro-Architektur der Zelle zeigt in den höheren Tieren und Pflanzen wie auch in den...
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The significance of amino acids for the growth ofBordetella pertussis
Amino acid utilization by various strains of Bordetella pertussis , conditions for the preparation of casein hydrolysates, and the significance of pH...
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Metabolite Carriers in Mitochondrial Membranes: the Ca2+ Transport System
In addition to the various electron carriers required in electron transport and the ATP synthetase system participating in oxidative phosphorylation...