908 Result(s)
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Life Sciences
Biotechnology
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Article
Role of hydrogen sulfide in mercury resistance determined by plasmid of Clostridium cochlearium T-2
Mercury resistance of Clostridium cochlearium T-2P was found to be controlled by a different mechanism from those reported so far since no mercury-reducing activity was detected in this strain.
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Possible role of membrane proteins in mercury resistance of Enterobacter aerogenes
Mercury resistance shown by a strain of Enterobacter aerogenes was found to be determined by a plasmid. The resistance appeared to be not due to enzymatic volatilization of mercury, but due to the alteration in c...
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Article
Involvement of mercury methylation in microbial mercury detoxication
A vitamin B12 requiring strain was isolated fromChlostridium cochlearium T-2 C which is known to synthesize various types of vitamin B12 including methylcobalamin and has an ability to methylate inorganic mercury...
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High density cell culture ofRhodotorula glutinis using oxygen-enriched air
Fed-batch culture ofRhodotorula glutinis, an oleaginous yeast, was carried out to obtain high biomass concentration. With air, final concentration of biomass was 100–110 g/L, whereas with oxygen-enriched air, 185...
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Article
Physiological constraints in increasing biomass concentration ofEscherichia coli B in fed-batch culture
Fed-batch culture ofE.coli B was carried out to obtain high concentration of biomass. After requirement of oxygen was met by sparging the pure oxygen, physiological constraints were delineated. High partial press...
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Article
Analytical HPLC of the aridicin glycopeptide complex and its application to fermentation development
A gradient analytical HPLC system was developed to assay titers of the three major components of the aridicin (Ardacin) complex produced byKibdelosporangium aridum (SK&F AAD-216). The separation was performed on ...
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Rice (Oryza sativa L.): Guan 18 - an Improved Variety Through Anther Culture
As soon as the three lines (A or sterile, B or maintainer, and R or restored line) had been successfully developed through breeding, hybrid rice was used for production in China. Experimental evidence has conf...
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Article
A male-sterile line with ‘virescent’ marker character in Upland cotton
Inheritance of 81A genetic male-sterility with ‘virescent’ marker character and its cytology in Upland cotton (Gossypium hirsutum L.) are presented. The chromosome number of 81A is normal, 2n = 52, and pollen abo...
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Article
Preliminary study of the distribution of the toxic elements As, Cd, and Hg in human hair and tissues by RNAA
In order to study the relationships between trace element concentrations of hair and internal body burdens, a radiochemical NAA technique has been used for determination of the elements As, Cd, and Hg in autop...
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Article
Stereoselective esterification of halogen-containing carboxylic acids by lipase in organic solvent: effects of alcohol chain length
Optical resolution of racemic carboxylic acids containing a halogen atom was attempted with stereoselective esterificatiob by Celite-adsorbed hydrolases in organic solvents. As lipase OF 360 from Candida cylindra...
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Chapter
Molecular Cloning of a Portion of the Gene for the Abundant Rubber Particle Protein of Guayule
Natural rubber is considered a vital raw material by developed countries and is valued particularly for its high performance characteristics. Products made from synthetic rubber are less elastic and resilient ...
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Article
Corynebacterium glutamicum: morphological and ultrastructural changes of l-lysine producing cells in continuous culture
Corynebacterium glutamicum was observed to undergo several morphological and ultrastructural changes during a shift in dilution rate when grown in phosphate-limiting continuous culture. At 0.1 h−1 the cell cultu...
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High production of alkaline protease byBacillus licheniformis in a fed-batch fermentation using a synthetic medium
High production (9016 U/ml) of alkaline protease byBacillus licheniformis has been achieved. A 49% increase in production was achieved by the method used as compared with a batch process. By using a synthetic med...
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Physiological aspects of l-lysine production: effect of nutritional limitations on a producing strain of Corynebacterium glutamicum
The effect of nutritional limitations, such as phosphorus and carbon, on the production of l-lysine by Corynebacterium glutamicum was studied in continuous culture. We observed that phosphate-limited cultures at ...
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Article
Simultaneous determination of Zn, Cd, Pb, and Cu in urine of patients with blackfoot disease using anodic strip** voltammetry
Blackfoot disease (BFD) is an endemic peripheral vascular disorder resulting in gangrene of the lower extremities, especially the feet, among residents in a limited area on the southwest coast of Taiwan. In th...
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Article
Trace elements in hair of blackfoot disease
Blackfoot disease is a peripheral vascular disease resulting in gangrene of the lower extremities. Though extensive epidemiological study has implicated that high arsenic content in artesian well water of the ...
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Chapter
The Interaction of Acteoside with Mitochondrial Lipid Peroxidation as an Ischemia/Reperfusion Injury Model
Since most of the O2 utilized by mammals takes place in mitochondria, the organelle would be particularly subject to free radical-induced changes. Attempts to decrease the rate of production of these changes with...
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Chapter
Physiologically Functional Substances in Shellfish Toward Several Cultured Mammalian Cell Lines
In our previous study, some constitutes of vegetable and fruits are found to have significant physiological functions, such as antimutagenicity, antitumorgenicity, immunoglobulin secretion-promoting, and macro...
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Article
RFLP tagging of a new semidwarfing gene in rice
A new rice semidwarfing gene which is not allelic tosd1, temporarily designated assdg, might be of use as a new source of semidwarfism in rice breeding programs. We report here the identification of a DNA marker ...
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Article
Bacterial desulfurization of the H2S-containing biogas
A Packed-bubble tower was used as absorber to treat 1000m3 biogas per day. A Biofilm reactor was used as the regeneration equipment in whichThiobacillus ferrooxidans was employed to oxidize Fe(II) to Fe(III). Mor...
