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2 edition of growth of Thiobacillus ferrooxidans at the extremes of temperature found in the catalog.

growth of Thiobacillus ferrooxidans at the extremes of temperature

Shelley Ann A. Routhier

growth of Thiobacillus ferrooxidans at the extremes of temperature

by Shelley Ann A. Routhier

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Published by Laurentian University in Sudbury, Ont .
Written in English


Edition Notes

Statementby Shelley Ann A. Routhier.
The Physical Object
Paginationix, 31, [52] l. :
Number of Pages52
ID Numbers
Open LibraryOL22161704M

Journal of Microbiology Research , 2(4): DOI: /iology Growth and Biochemical Activities of Acidithiobacillus thiooxidans Collected from Black Shale Shahroz Khan 1, Faizul Haq 2,*, Fariha Hasan, Kausar Saeed 3, Rahat Ullah 1Department of Microbiology, Quaid -i Azam University, Islamabad, Pakistan 2Department of Botany, Hazara . Abstract. The present article illustrates the increased interest which is manifested in the microorganisms, Thiobacillus ferrooxidans, involved in the biohydrometallurgical extraction wide varieties of problems currently studied are very important in order to gain a better understanding about the factors which are governing the growth of microorganisms, and Cited by:

Effect of Temperature on The Extraction of Aluminum By Thiobacillus Ferrooxidans From the Bauxite Ore Shaikh Shafikh 1 and Avinash B. Ade 2 * 1 Department of Botany, Dr. B.A. Marathwada University, Aurangabad - (India).Author: Shaikh Shafikh, Avinash B. Ade. One group has an optimal growth temperature of about 59°F (15°C), but can grow at temperatures as low as 32°F (0°C). These organisms live in ocean depths or Arctic regions. Other psychrophiles that can also grow at 32°F (0°C) have an optimal growth temperature between 68°F (20°C) and 86°F (30°C).

  Temperature effects on the growth of microorganisms Introduction: The purpose of this experiment was to determine the effects that temperature has on three different ature is one of the most important environmental factors affecting growth and survival of microorganisms². The three organisms used where Escherichia coli, Pseudomonas . The oxidation of ferrous iron by Acidithiobacillus ferrooxidans in the pH range – was characterized. In order to measure the rate of bacterial oxidation of ferrous iron with A. ferrooxidans in this high pH range, a novel experimental methodology was developed.


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Growth of Thiobacillus ferrooxidans at the extremes of temperature by Shelley Ann A. Routhier Download PDF EPUB FB2

Abstract. The obligately autotrophic acidophile Thiobacillus ferrooxidans was grown on elemental sulfur in anaerobic batch cultures, using ferric iron as an electron acceptor.

During anaerobic growth, ferric iron present in the growth media was quantitatively reduced to ferrous by: Abstract.

A rapid and sensitive spectrophotometric procedure was developed for monitoring the growth of Thiobacillus ferrooxidans in liquid culture. Values determined for the optical densities at nm of washed T. ferrooxidans cell suspensions were directly proportional to both total cell number and total cell protein concentration and provided an accurate measurement of culture Cited by: Acidithiobacillus is a genus of the Acidithiobacillia in the "Proteobacteria".Like all "Proteobacteria", Acidithiobacillus spp.

are members of this genus were classified as Thiobacillus spp., before they were reclassified in Acidithiobacillus ferrooxidans (basonym Thiobacillus ferrooxidans) can be isolated from iron-sulfur minerals such as pyrite deposits, Class: Acidithiobacillia. Mixotrophic Growth of a Thiobacillus ferrooxidans Strain Article (PDF Available) in Applied and Environmental Microbiology 47(3) April with 62 Reads How we measure 'reads'.

Other articles where Acidithiobacillus ferrooxidans is discussed: bacteria: pH: sulfide deposits are attacked by A.

ferrooxidans to generate sulfuric acid, which lowers the pH to or even However, acid tolerance of A. ferrooxidans applies only to sulfuric acid, since these bacteria die when exposed to equivalent concentrations of other acids such as hydrochloric acid. Growth Kinetics of Thiobacillus denitrificans in Anaerobic and Aerobic Chemostat Culture Article (PDF Available) in Journal of general microbiology (1) July with Reads.

Studies on xidans growth have been conducted, and corresponding mechanisms suggested (Zhang et al, ). The major obstacles (Blake et al, ) encountered in commercially bioleaching of sulphides are of long period[ of xidans growth, and difficulty in obtaining sufficient cell by: 2.

A method for enumeration of viable numbers of Thiobacillus ferrooxidans using membrane filters on ferrous-iron agar is presented. Factors affecting colony production were the concentration and brand of agar, pH of the medium, and type of membrane filter. The results suggest that inhibition of T.

ferrooxidans by agar is a result of the acid hydrolysis of agar, the Cited by: Acidithiobacillus thiooxidans, formerly known as Thiobacillus thiooxidans until its reclassification into the newly designated genus Acidithiobacillus of the gamma subclass of Proteobacteria, is a Gram-negative, rod-shaped bacterium that uses sulfur as its primary energy source.

It is mesophilic, with a temperature optimum of 28 °C. This bacterium is commonly found in soil, Family: Acidithiobacillaceae. the study of the chemolithotrophic bacteriumThiobacillus ferrooxidans, an organism important in mining and metallurgical applications, has always been complicated by the inability to cultivate and enumerate many wild strains on solid agar.

Here, we have described a plate-count procedure that uses an acidophilic heterotrophic bacterium to scavenge organic Cited by: Diatomaceous earth is an effective carrier with a large surface area on which Thiobacillus ferrooxidans adsorbs, and enhances the oxidation rate of ferrous ions by the bacterium.

The adsorption of T. ferrooxidans on diatomaceous earth was expressed by the Henry isotherm, and reached equilibrium within five minutes. The enhancement was due to an increase in the Cited by: Thiobacillus is a genus of Gram-negative Betaproteobacteria.

Thiobacilus thioparus is the type species of the genus, and the type strain thereof is the Starkey T strain, isolated by Robert Starkey in the s from a field at Rutgers University in the United States of over 30 "species" have been named in this genus since it was defined by Martinus Beijerinck in Class: Betaproteobacteria.

Samples are inoculated into Thiobacillus Broth. After incubation at °C for about 7 days or more, turbidity or sulphur precipitation on the surface of the liquid or against the walls ofthe flasks, indicates growth of bacteria. Isolation is subsequently done on Thiobacillus Size: 38KB.

medium, T. ferrooxidans is remarkably resistant to high concentrations ofmetalions exceptmercuricandsilver ions (, 13, 16, 17, 20). In contrast, whengrownonsulfur-salts medium, the organism is sensitive to those heavy metals. Tuovinen et al. reported that cobalt was the most toxic cation on the growth of T.

ferrooxidans on sulfur-salts. In the bioleaching of mineral sulphides under the catalytic action of At. ferrooxidans, ferrous ion oxidation and sulfides/sulfur solubilization uses oxygen as the final electron acceptor.

Also, under anaerobic conditions, At. ferrooxidans can alternatively catalize the oxidation of sulfur or reduced inorganic sulfur compounds (RISC) using ferric iron as electron acceptor [1].Author: Blanca Escobar, Tomas Vargas. Studies on the growth of Thiobacillus ferrooxidans Studies on the growth of Thiobacillus ferrooxidans Tuovinen, Olli; Kelly, Donovan 95 95 1 1 Dr.

Olli H. Tuovinen Dr. Donovan P. Kelly Department of Microbiology Queen Elizabeth College Atkins Building, Campden Hill W8 7AH London England Department of Agricultural Biochemistry.

Studies on the growth of Thiobacillus ferrooxidans Studies on the growth of Thiobacillus ferrooxidans Tuovinen, Olli; Kelly, Donovan 98 98 1 1 Olli H. Tuovinen Donovan P. Kelly Department of Microbiology Queen Elizabeth College London Department of Agricultural Biochemistry Waite Agricultural Research Institute Glen Osmond South.

Blog. 12 May Remote work tips, tools, and advice: Interview with Mandy Fransz; 11 May Using game show assessments in the classroom; 7 May Growth kinetics of Thiobacillus ferrooxidans isolated from arsenic mine drainage. Biooxidacion de concentrados de arsenopirita por acidithiobacillus ferrooxidans en erlenmeyer agitados Leaching of heavy metals from contaminated soil by using Thiobacillus ferrooxidans or T.

Thiobacillus ferrooxidans Thiobacillus ferrooxidans (T. ferrooxidans) is a microorganism that was first discovered in acid mine drainage and isolated in It has been widely studied due to its bioleaching capabilities.

The following sections will provide a background on bacteria's physiology and known intemctions with arsenic. THIOBACILLUS FERROOXIDANS ADRIÁN NIÑO PÉREZ ELIANA REINA MACÍAS NOTICIA CURIOSA BIOLIXIVIACIÓN DEL COBRE BIOLIXIVIACIÓN DEL ORO BIOLIXIVIACIÓN DEL URANIO Reacción: 2Fe2(SO4)3 + CuFeS2 + 2H2O + 3O2 CuSO4 + 5FeSO4 + 2H2SO4 Reacción del tetravalente de uranio y el ion feérico.An acidophilic strain was isolated from drainage in Shanxi coal mine, after 16SrDNA amplification and sequencing analysis, it was identified to be Acidithiobacillus ferrooxidans.

The ferrous ion oxidation rate of At.f and pH value were studied during its growth, the results showed that, the strain entering into the exponential growth phase needed about 30 hours, and the oxidation Author: Ju Fang Xiao, Song Yan Qin, Peng Huang, Li Na Guo, Yi Chun Chen.Other articles where Thiobacillus is discussed: bacteria: Autotrophic metabolism: Thiobacillus oxidizes thiosulfate and elemental sulfur to sulfate, and A.

ferrooxidans oxidizes ferrous ions to the ferric form. This diverse oxidizing ability allows A. ferrooxidans to tolerate high concentrations of many different ions, including iron, copper, cobalt, nickel, and zinc.