Mircea Podar

Summary

Affiliation: Oak Ridge National Laboratory
Country: USA

Publications

  1. pmc Insights into archaeal evolution and symbiosis from the genomes of a nanoarchaeon and its inferred crenarchaeal host from Obsidian Pool, Yellowstone National Park
    Mircea Podar
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
    Biol Direct 8:9. 2013
  2. pmc The prokaryotic V4R domain is the likely ancestor of a key component of the eukaryotic vesicle transport system
    Mircea Podar
    Biosciences Division and the Bioenergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA
    Biol Direct 3:2. 2008
  3. pmc A genomic analysis of the archaeal system Ignicoccus hospitalis-Nanoarchaeum equitans
    Mircea Podar
    Biosciences Division, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA
    Genome Biol 9:R158. 2008
  4. pmc Characterization of archaeal community in contaminated and uncontaminated surface stream sediments
    Iris Porat
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 6342, USA
    Microb Ecol 60:784-95. 2010
  5. pmc Draft genome sequences for two metal-reducing Pelosinus fermentans strains isolated from a Cr(VI)-contaminated site and for type strain R7
    Steven D Brown
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
    J Bacteriol 194:5147-8. 2012
  6. pmc Microbial community succession during lactate amendment and electron acceptor limitation reveals a predominance of metal-reducing Pelosinus spp
    Jennifer J Mosher
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
    Appl Environ Microbiol 78:2082-91. 2012
  7. doi request reprint The genetic basis for bacterial mercury methylation
    Jerry M Parks
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    Science 339:1332-5. 2013
  8. pmc Establishment and metabolic analysis of a model microbial community for understanding trophic and electron accepting interactions of subsurface anaerobic environments
    Lance D Miller
    Biosciences and Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    BMC Microbiol 10:149. 2010
  9. pmc Genome sequence of the mercury-methylating and pleomorphic Desulfovibrio africanus Strain Walvis Bay
    Steven D Brown
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    J Bacteriol 193:4037-8. 2011
  10. pmc Comparative metagenomic and rRNA microbial diversity characterization using archaeal and bacterial synthetic communities
    Migun Shakya
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 47841, USA
    Environ Microbiol 15:1882-99. 2013

Collaborators

Detail Information

Publications24

  1. pmc Insights into archaeal evolution and symbiosis from the genomes of a nanoarchaeon and its inferred crenarchaeal host from Obsidian Pool, Yellowstone National Park
    Mircea Podar
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
    Biol Direct 8:9. 2013
    ..A single cultured marine organism, Nanoarchaeum equitans, represents the Nanoarchaeota branch of symbiotic Archaea, with a highly reduced genome and unusual features such as multiple split genes...
  2. pmc The prokaryotic V4R domain is the likely ancestor of a key component of the eukaryotic vesicle transport system
    Mircea Podar
    Biosciences Division and the Bioenergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA
    Biol Direct 3:2. 2008
    ..This suggests, for the first time, a prokaryotic origin for one of the key eukaryotic trafficking proteins...
  3. pmc A genomic analysis of the archaeal system Ignicoccus hospitalis-Nanoarchaeum equitans
    Mircea Podar
    Biosciences Division, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA
    Genome Biol 9:R158. 2008
    ..Little is known about the mechanisms that enable this relationship...
  4. pmc Characterization of archaeal community in contaminated and uncontaminated surface stream sediments
    Iris Porat
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 6342, USA
    Microb Ecol 60:784-95. 2010
    ..The uranium-contaminated site also contained a high concentration of nitrate, thus Marine Group I may play a role in nitrogen cycle...
  5. pmc Draft genome sequences for two metal-reducing Pelosinus fermentans strains isolated from a Cr(VI)-contaminated site and for type strain R7
    Steven D Brown
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
    J Bacteriol 194:5147-8. 2012
    ..We present the genome sequence of the P. fermentans type strain R7 (DSM 17108) and genome sequences for two new strains with different abilities to reduce iron, chromate, and uranium...
  6. pmc Microbial community succession during lactate amendment and electron acceptor limitation reveals a predominance of metal-reducing Pelosinus spp
    Jennifer J Mosher
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
    Appl Environ Microbiol 78:2082-91. 2012
    ..Finally, lab-scale simulations can test new strategies on a smaller scale while facilitating community member isolation, so that a deeper understanding of community metabolism can be revealed...
  7. doi request reprint The genetic basis for bacterial mercury methylation
    Jerry M Parks
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    Science 339:1332-5. 2013
    ....
  8. pmc Establishment and metabolic analysis of a model microbial community for understanding trophic and electron accepting interactions of subsurface anaerobic environments
    Lance D Miller
    Biosciences and Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    BMC Microbiol 10:149. 2010
    ..cellulolyticum, whereas D. vulgaris and G. sulfurreducens derived carbon and energy from the metabolic products of cellobiose fermentation and were provided with sulfate and fumarate respectively as electron acceptors...
  9. pmc Genome sequence of the mercury-methylating and pleomorphic Desulfovibrio africanus Strain Walvis Bay
    Steven D Brown
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    J Bacteriol 193:4037-8. 2011
    ..The mechanism of methylation by this and other organisms is unknown. We present the 4.2-Mb genome sequence to provide further insight into microbial mercury methylation and sulfate-reducing bacteria...
  10. pmc Comparative metagenomic and rRNA microbial diversity characterization using archaeal and bacterial synthetic communities
    Migun Shakya
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 47841, USA
    Environ Microbiol 15:1882-99. 2013
    ....
  11. pmc Sequencing intractable DNA to close microbial genomes
    RICHARD A HURT
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, United States of America
    PLoS ONE 7:e41295. 2012
    ..The developed procedures support accurate gene annotation, and provide a step-wise method that reduces the effort required for genome finishing...
  12. pmc Hexavalent Chromium Reduction under Fermentative Conditions with Lactate Stimulated Native Microbial Communities
    Anil C Somenahally
    ENIGMA Ecosystems and Networks Integrated with Genes and Molecular Assemblies Program, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, United States of America
    PLoS ONE 8:e83909. 2013
    ..In-situ fermentative conditions facilitated Cr(VI) reduction, and as a result 3.0 mg/L Cr(VI) did not impact the overall bacterial community structure. ..
  13. pmc Multiple single-cell genomes provide insight into functions of uncultured Deltaproteobacteria in the human oral cavity
    Alisha G Campbell
    Genome Science and Technology Program, University of Tennessee, Knoxville, TN, USA
    PLoS ONE 8:e59361. 2013
    ..Many of these genes are similar to virulence and host adaptation factors of known human pathogens, suggesting that the oral Deltaproteobacteria have the potential to play a role in the etiology of periodontal disease...
  14. pmc Host genetic and environmental effects on mouse intestinal microbiota
    James H Campbell
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    ISME J 6:2033-44. 2012
    ..This study provides a baseline analysis of intestinal bacterial communities in the eight CC progenitor strains and will be linked to integrated host genotype, phenotype and microbiota research on the resulting CC panel...
  15. pmc Proteomic characterization of cellular and molecular processes that enable the Nanoarchaeum equitans--Ignicoccus hospitalis relationship
    Richard J Giannone
    Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, United States of America
    PLoS ONE 6:e22942. 2011
    ..hospitalis...
  16. pmc Complete genome sequence of the cellulolytic thermophile Caldicellulosiruptor obsidiansis OB47T
    James G Elkins
    BioEnergy Science Center, Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    J Bacteriol 192:6099-100. 2010
    ..The complete genome sequence reveals a diverse set of carbohydrate-active enzymes and provides further insight into lignocellulosic biomass hydrolysis at high temperatures...
  17. pmc UGA is an additional glycine codon in uncultured SR1 bacteria from the human microbiota
    James H Campbell
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    Proc Natl Acad Sci U S A 110:5540-5. 2013
    ..UGA codon reassignment renders SR1 genes untranslatable by other bacteria, which impacts horizontal gene transfer within the human microbiota...
  18. pmc Genome sequence of the mercury-methylating strain Desulfovibrio desulfuricans ND132
    Steven D Brown
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    J Bacteriol 193:2078-9. 2011
    ..The mechanism of methylation by this and other organisms is unknown. We present the 3.8-Mb genome sequence to provide further insight into microbial mercury methylation...
  19. doi request reprint Cellulases: ambiguous nonhomologous enzymes in a genomic perspective
    Leonid O Sukharnikov
    BioEnergy Science Center, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
    Trends Biotechnol 29:473-9. 2011
    ..Here, we explore the diversity of cellulases and propose a genomic approach to overcome this bottleneck...
  20. pmc Distinct microbial communities within the endosphere and rhizosphere of Populus deltoides roots across contrasting soil types
    Neil R Gottel
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 6038, USA
    Appl Environ Microbiol 77:5934-44. 2011
    ..Together, these findings demonstrate that root endophytic communities are distinct assemblages rather than opportunistic subsets of the rhizosphere...
  21. pmc A multifactor analysis of fungal and bacterial community structure in the root microbiome of mature Populus deltoides trees
    Migun Shakya
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, United States of America Genome Science and Technology Program, University of Tennessee, Knoxville, Tennessee, United States of America
    PLoS ONE 8:e76382. 2013
    ..NC, but overall host genotypic distances did not have a significant effect on corresponding communities that could be separated from other measured effects. ..
  22. pmc Mercury and other heavy metals influence bacterial community structure in contaminated Tennessee streams
    Tatiana A Vishnivetskaya
    Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 6036, USA
    Appl Environ Microbiol 77:302-11. 2011
    ..This study is the first to indicate an influence of MeHg on the in situ microbial community and suggests possible roles of these bacteria in the Hg/MeHg cycle...
  23. doi request reprint Microbial community structure of hydrothermal deposits from geochemically different vent fields along the Mid-Atlantic Ridge
    Gilberto E Flores
    Department of Biology, Portland State University, Portland, OR 97201, USA
    Environ Microbiol 13:2158-71. 2011
    ..These results demonstrate that biogeographical patterns of hydrothermal vent microorganisms are shaped in part by large scale geological and geochemical processes...
  24. pmc Caldicellulosiruptor obsidiansis sp. nov., an anaerobic, extremely thermophilic, cellulolytic bacterium isolated from Obsidian Pool, Yellowstone National Park
    Scott D Hamilton-Brehm
    Biosciences Division, Oak Ridge National Laboratory, P O Box 2008 MS6038, Oak Ridge, TN 37831, USA
    Appl Environ Microbiol 76:1014-20. 2010
    ..Based on its phylogenetic and phenotypic properties, the isolate is proposed to be designated Caldicellulosiruptor obsidiansis sp. nov. and OB47 is the type strain (ATCC BAA-2073)...