Department of Microbiology: Recent submissions
Now showing items 21-40 of 113
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Tetrathiobacter kashmirensis gen. nov., sp nov., a novel mesophilic, neutrophilic, tetrathionate-oxidizing, facultatively chemolithotrophic betaproteobacterium isolated from soil from a temperate orchard in Jammu and Kashmir, India
(SOC GENERAL MICROBIOLOGY,, 2005-09)Twelve chemolithotrophic strains were isolated from temperate orchard soil on reduced sulfur compounds as energy and electron sources and characterized on the basis of their physiological properties and ability to oxidize ... -
Paracoccus bengalensis sp nov., a novel sulfur-oxidizing chemolithoautotroph from the rhizospheric soil of an Indian tropical leguminous plant
(ELSEVIER GMBH, 2006-07)Paracoccus versutus-like isolates from the rhizosphere of Clitoria ternatea, a slender leguminous herb (family Papilionaceae), found ubiquitously in waste places and village forests of the Lower Gangetic plains of India, ... -
Structural insight into SoxC and SoxD interaction and their role in electron transport process in the novel global sulfur cycle in Paracoccus pantotrophus
(ELSEVIER SCIENCE, 2005-06-17)Microbial oxidation of reduced inorganic sulfur compounds mainly sulfur anions in the environment is one of the major reactions of the global sulfur cycle mediated by phylogenetically diverse prokaryotes. The sulfur oxidizing ... -
The dimeric repressor SoxR binds cooperatively to the promoter(s) regulating expression of the sulfur oxidation (sox) operon of Pseudaminobacter salicylatoxidans KCT001
(SOC GENERAL MICROBIOLOGY, 2007-01)Sulfur oxidation in Pseudaminobacter salicylatoxidans KCT001 is rendered by the combined action of several enzymes encoded by a thiosulfate-inducible sox operon. In this study it has been conclusively demonstrated by ... -
Isolation of a Pseudomonas sp capable of utilizing 4-nonylphenol in the presence of phenol
(KOREAN SOC MICROBIOLOGY & BIOTECHNOLOGY, 2006-11)Enrichment techniques led to the isolation of a Pseudomonas sp. strain P2 from municipal waste-contaminated soil sample, which could utilize different isomers of a commercial mixture of 4-nonylphenol when grown in the ... -
Ubiquitous presence and activity of sulfur-oxidizing lithoautotrophic microorganisms in the rhizospheres of tropical plants
(CURRENT SCIENCE ASSN,, 2006-07-25) -
A novel degradation pathway in the assimilation of phenanthrene by Staphylococcus sp strain PN/Y via meta-cleavage of 2-hydroxy-1-naphthoic acid: formation of trans-2,3-dioxo-5-(2 '-hydroxyphenyl)pent-4-enoic acid
(SOC GENERAL MICROBIOLOGY, 2007-07)Staphylococcus sp. strain PN/Y, capable of utilizing phenanthrene as a sole source of carbon and energy, was isolated from petroleum-contaminated soil. In the degradation of phenanthrene by strain PN/Y, various metabolites, ... -
Complete degradation of butyl benzyl phthalate by a defined bacterial consortium: Role of individual isolates in the assimilation pathway
(PERGAMON-ELSEVIER SCIENCE, 2008-01)Two bacterial strains, in consortium, were isolated by enrichment techniques from municipal waste-contaminated soil, which utilized butyl benzyl phthalate (BBP) as the sole carbon source. One of the isolates was identified ... -
Cloning, characterization and expression analysis of nucleotide metabolism-related genes of mycobacteriophage L5
(BLACKWELL, 2008-03)The genomes of mycobacteriophages of the L5 family, which includes the lytic phage D29, contain several genes putatively linked to nucleotide- metabolizing functions. Two such genes, 48 and 50, encoding thymidylate synthase ... -
Modulation of DNA-binding activity of Mycobacterium tuberculosis HspR by chaperones
(SOC GENERAL MICROBIOLOGY, 2008-02)In Mycobacterium tuberculosis, hspR is the last gene of the dnaKJE operon. It encodes the repressor HspR, which regulates the expression from this operon by binding to a consensus upstream sequence known as HAIR (HspR-associated ... -
DNA bending in the mycobacterial plasmid pAL5000 origin-RepB complex
(AMER SOC MICROBIOLOGY, 2007-12)Plasmid pAL5000 represents a family of relatively newly discovered cryptic plasmids in gram-positive Actinomycetes bacteria. The replication regions of these plasmids comprise a bicistronic operon, repA-repB, encoding two ... -
The S4-intermediate pathway for the oxidation of thiosulfate by the chemolithoautotroph Tetrathiobacter kashmirensis and inhibition of tetrathionate oxidation by sulfite
(ELSEVIER, 2007-05)Chemolithotrophic oxidation of reduced sulfur compounds was studied in the betaproteobacterium Tetrathiobacter kashmirensis in correlation with its transposon (Tn5-mob)-inserted mutants impaired in sulfur oxidation (Sox(-)) ... -
The Mycobacteriophage D29 Gene 65 Encodes an Early-Expressed Protein That Functions as a Structure-Specific Nuclease
(AMER SOC MICROBIOLOGY, 2009-02-01)The genomes of mycobacteriophages of the L5 family, which includes the lytic phage D29, contain several genes putatively linked to DNA synthesis. One such gene is 65, which encodes a protein belonging to the RecA/DnaB ... -
Kinetics of phenanthrene degradation by Staphylococcus sp strain PN/Y involving 2-hydroxy-1-naphthoic acid in a novel metabolic pathway
(ELSEVIER SCI, 2008-09)Staphylococcus sp. strain PN/Y isolated from creosote-contaminated soil, was previously reported to degrade phenanthrene as sole source of carbon and energy. Unlike other phenanthrene degraders, Staphylococcus sp. PN/Y ... -
Metabolic cooperation of Gordonia sp strain MTCC 4818 and Arthrobacter sp strain WY in the utilization of butyl benzyl phthalate: effect of a novel co-culture in the degradation of a mixture of phthalates
(SOC GENERAL MICROBIOLOGY, 2008-11)Degradation of butyl benzyl phthalate (BBP) by a co-culture of Gordonia sp. strain MTCC 4818 and Arthrobacter sp. strain WY was investigated. In the degradation of BBP by the co-culture, the limitations of the individual ... -
Origin of the Sox multienzyme complex system in ancient thermophilic bacteria and coevolution of its constituent proteins
(ELSEVIER SCIENCE BV, 2009-07)The multienzyme complex SoxXABYZ(CD)(2), characteristic of facultatively chemolithotrophic Alphaproteobacteria, oxidizes both sulfone and sulfane sulfur species directly to sulfate, while a truncated SoxXABYZ oxidizes only ... -
Conjugative Type 4 Secretion System of a Novel Large Plasmid from the Chemoautotroph Tetrathiobacter kashmirensis and Construction of Shuttle Vectors for Alcaligenaceae
(AMER SOC MICROBIOLOGY, 2009-07-01)Tetrathiobacter spp. and other members of the Alcaligenaceae are metabolically versatile and environmentally significant. A novel, similar to 60-kb conjugative plasmid, pBTK445, from the sulfur chemolithoautotroph ... -
Role of oxygenases in guiding diverse metabolic pathways in the bacterial degradation of low-molecular-weight polycyclic aromatic hydrocarbons: A review
(INFORMA HEALTHCARE, 2011-02-01)Widespread environmental pollution by polycyclic aromatic hydrocarbons (PAHs) poses an immense risk to the environment. Bacteria-mediated attenuation has a great potential for the restoration of PAH-contaminated environment ... -
Cloning and characterization of a p-cymene monooxygenase from Pseudomonas chlororaphis subsp aureofaciens
(ELSEVIER SCIENCE BV, 2010-12-01)p-Cymene monooxygenase is the enzyme system that catalyzes the hydroxylation of p-cymene to 4-isopropylbenzyl alcohol (p-cumic alcohol), the initial step in the assimilation of p-cymene by Pseudomonas chlororaphis subsp. ... -
Degradation of phenanthrene via meta-cleavage of 2-hydroxy-1-naphthoic acid by Ochrobactrum sp strain PWTJD
(WILEY-BLACKWELL, 2010-12-01)The present study describes the assimilation of phenanthrene by an aerobic bacterium, Ochrobactrum sp. strain PWTJD, isolated from municipal waste-contaminated soil sample utilizing phenanthrene as a sole source of carbon ...