Research Topics
| Dietmar H PieperSummaryAffiliation: German Research Centre for Biotechnology Country: Germany Publications
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Detail Information
Publications
Monitoring key reactions in degradation of chloroaromatics by in situ (1)H nuclear magnetic resonance: solution structures of metabolites formed from cis-dienelactoneDietmar H Pieper
Division of Microbiology, GBF German Research Center for Biotechnology, Mascheroder Weg 1, D 38124 Braunschweig, Germany
J Bacteriol 184:1466-70. 2002..One-dimensional (1)H NMR in (1)H(2)O could thus be shown to be an excellent noninvasive tool for monitoring enzyme activities and assessing the solution structure of substrates and products...
Engineering bacteria for bioremediationD H Pieper
Department of Environmental Biotechnology, Gesellschaft für Biotechnologische Forschung mbH GBF, Braunschweig, D 38124, Germany
Curr Opin Biotechnol 11:262-70. 2000..With molecular methods allowing the characterization of microbial community structure and activities, the performance of microorganisms under in situ conditions and in concert with the indigenous microflora will become predictable...
Aerobic degradation of polychlorinated biphenylsDietmar H Pieper
Department of Environmental Microbiology, German Research Center for Biotechnology, Mascheroder Weg 1, 38124, Braunschweig, Germany
Appl Microbiol Biotechnol 67:170-91. 2005..However, further research is necessary to understand the complex interactions between soil/sediment, pollutant, surfactant and microorganisms in different environments...
Two angular dioxygenases contribute to the metabolic versatility of dibenzofuran-degrading Rhodococcus sp. strain HA01Hamdy A H Aly
Department of Environmental Microbiology, HZI Helmholtz Centre for Infection Research, Inhoffenstrasse 7, D 38124 Braunschweig, Germany
Appl Environ Microbiol 74:3812-22. 2008..strain HA01 constitutes the first described example of a bacterial strain where coexpression of two angular dioxygenases was observed. Such complementary activity allows for the efficient transformation of chlorinated DBFs...
Characterization of a gene cluster involved in 4-chlorocatechol degradation by Pseudomonas reinekei MT1Beatriz Cámara
Department of Microbial Pathogenesis, HZI Helmholtz Centre for Infection Research, Braunschweig, Germany
J Bacteriol 191:4905-15. 2009....
Assessment of toluene/biphenyl dioxygenase gene diversity in benzene-polluted soils: links between benzene biodegradation and genes similar to those encoding isopropylbenzene dioxygenasesRobert Witzig
Department of Environmental Microbiology, GBF-German Research Centre for Biotechnology, Mascheroder Weg 1, D-38124 Braunschweig, Germany
Appl Environ Microbiol 72:3504-14. 2006....
Difference in kinetic behaviour of catechol 2,3-dioxygenase variants from a polluted environmentHoward Junca
Department of Environmental Microbiology, GBF German Research Centre for Biotechnology, Mascheroder Weg 1, D 38124 Braunschweig, Germany
Microbiology 150:4181-7. 2004....
New bacterial pathway for 4- and 5-chlorosalicylate degradation via 4-chlorocatechol and maleylacetate in Pseudomonas sp. strain MT1Patricia Nikodem
Department of Environmental Microbiology, GBF-German Research Center for Biotechnology, D-38124 Braunschweig, Germany
J Bacteriol 185:6790-800. 2003....
Degradation of 2,3-dihydroxybenzoate by a novel meta-cleavage pathwayMacarena Marín
Microbial Interactions and Processes Research Group, HZI Helmholtz Centre for Infection Research, Braunschweig, Germany
J Bacteriol 194:3851-60. 2012..This is the first report describing a gene cluster encoding enzymes for the degradation of 2,3-dihydroxybenzoate...
Functional gene diversity analysis in BTEX contaminated soils by means of PCR-SSCP DNA fingerprinting: comparative diversity assessment against bacterial isolates and PCR-DNA clone librariesHoward Junca
Department of Environmental Microbiology, GBF German Research Centre for Biotechnology, Mascheroder Weg 1, D 38124 Braunschweig, Germany
Environ Microbiol 6:95-110. 2004....
Modified 3-oxoadipate pathway for the biodegradation of methylaromatics in Pseudomonas reinekei MT1Macarena Marín
Department of Microbial Pathogenesis, Helmholtz Zentrum für Infektionsforschung, Braunschweig, Germany
J Bacteriol 192:1543-52. 2010..Accumulation of methylsuccinate by an mmlK deletion mutant indicates that the encoded acetyl-CoA hydrolase/transferase is crucial for channeling methylsuccinate into the central metabolism...
Molecular detection and diversity of novel diterpenoid dioxygenase DitA1 genes from proteobacterial strains and soil samplesRobert Witzig
Department of Environmental Microbiology, HZI Helmholtz Centre for Infection Research, Inhoffenstrasse 7, D 38124 Braunschweig, Germany
Environ Microbiol 9:1202-18. 2007..The molecular fingerprints indicated the presence ofa broad, previously unrecognized diversity of diterpenoid dioxygenase genes in soils, and suggest that other bacterial phyla may also harbour the genetic potential for DhA-degradation...
Substrate specificity and expression of three 2,3-dihydroxybiphenyl 1,2-dioxygenases from Rhodococcus globerulus strain P6David B McKay
Department of Environmental Microbiology, GBF-German Research Center for Biotechnology, D-38124 Braunschweig, Germany
J Bacteriol 185:2944-51. 2003..globerulus P6...
A poke into the diversity and associations within human anterior nare microbial communitiesMelissa L Wos-Oxley
Microbial Interactions and Processes Research Group, Department of Medical Microbiology, Helmholtz Centre for Infection Research, Braunschweig, Germany
ISME J 4:839-51. 2010..aureus infections...
Genomic and mechanistic insights into the biodegradation of organic pollutantsDietmar H Pieper
Division of Microbiology, German Research Centre for Biotechnology, Mascheroder Weg 1, Braunschweig, Germany
Curr Opin Biotechnol 15:215-24. 2004..Systems biology approaches are still in their infancy, but are becoming increasingly helpful to unravel, predict and quantify metabolic abilities within particular organisms or microbial consortia...
Pseudomonas reinekei sp. nov., Pseudomonas moorei sp. nov. and Pseudomonas mohnii sp. nov., novel species capable of degrading chlorosalicylates or isopimaric acidBeatriz Cámara
Division of Microbiology, HZI Helmholtz Zentrum für Infektionsforschung, Inhoffenstrasse 7, 38124 Braunschweig, Germany
Int J Syst Evol Microbiol 57:923-31. 2007..nov. (type strain MT1(T) =DSM 18361(T)=CCUG 53116(T)), Pseudomonas moorei sp. nov. (type strain RW10(T) =DSM 12647(T)=CCUG 53114(T)) and Pseudomonas mohnii sp. nov. (type strain IpA-2(T) =DSM 18327(T)=CCUG 53115(T)) are proposed...
Chloromethylmuconolactones as critical metabolites in the degradation of chloromethylcatechols: recalcitrance of 2-chlorotolueneKatrin Pollmann
Bereich Mikrobiologie, AG Biodegradation, , Mascheroder Weg 1, D-38124 Braunschweig, Germany
J Bacteriol 187:2332-40. 2005..3-Chloro-5-methylcatechol is transformed to 2-chloro-4-methylmuconolactone...
A gene cluster involved in degradation of substituted salicylates via ortho cleavage in Pseudomonas sp. strain MT1 encodes enzymes specifically adapted for transformation of 4-methylcatechol and 3-methylmuconateBeatriz Cámara
Division of Microbiology, HZI Helmholtz Zentrum für Infektionsforschung, Inhoffenstrasse 7, D 38124 Braunschweig, Germany
J Bacteriol 189:1664-74. 2007....
Metabolism of dichloromethylcatechols as central intermediates in the degradation of dichlorotoluenes by Ralstonia sp. strain PS12Katrin Pollmann
Department of Environmental Microbiology, GBF-German Research Center for Biotechnology, D-38124 Braunschweig. Chemical Microbiology, Bergische University, Wuppertal, Germany
J Bacteriol 184:5261-74. 2002..2,5-Dichloro-3-methylmuconolactone was transformed nearly exclusively into 2-chloro-3-methyl-trans-dienelactone...
Rational engineering of the regioselectivity of TecA tetrachlorobenzene dioxygenase for the transformation of chlorinated toluenesKatrin Pollmann
Department of Environmental Microbiology, GBF-German Research Centre for Biotechnology, Mascheroder Weg 1, D-38124 Braunschweig, Germany
Microbiology 149:903-13. 2003..As new products, 3,4,6-trichloro-1-methyl-1,2-dihydroxy-1,2-dihydrocyclohexan-3,5-diene, 4,6-dichloro-3-methylcatechol, 3,6-dichloro-4-methylcatechol and 3,4-dichloro-6-methylcatechol were identified...
Characterization of the complex bacterial communities colonizing biliary stents reveals a host-dependent diversityBritta K Scheithauer
Department of Microbial Pathogenesis, Helmholtz Centre for Infection Research, Braunschweig, Germany
ISME J 3:797-807. 2009..Consideration of the community composition from individual patients will allow tailoring of prophylactic antibiotic treatments and thus will make the management of stent biofilms more effective...
Validating T-RFLP as a sensitive and high-throughput approach to assess bacterial diversity patterns in human anterior naresAmélia Camarinha-Silva
Microbial Interactions and Processes Research Group, Department of Medical Microbiology, Helmholtz Centre for Infection Research, Braunschweig, Germany
FEMS Microbiol Ecol 79:98-108. 2012..So, in the age of post 'omics' and 'deep sequencing', there is still a place for these well-tried and well-tested methods that can offer a rapid, reproducible and economical alternative, whereby also yielding valuable new information...
Importance of different tfd genes for degradation of chloroaromatics by Ralstonia eutropha JMP134Iris Plumeier
Department of Environmental Biotechnology, GBF-German Research Center for Biotechnology, D-38124 Braunschweig, Germany
J Bacteriol 184:4054-64. 2002....
Bacterial metabolism of polychlorinated biphenylsDietmar H Pieper
Biodegradation Research Group, Division of Microbiology, HZI, Helmholtz Centre for Infection Research, Braunschweig, Germany
J Mol Microbiol Biotechnol 15:121-38. 2008..Overall, metabolism of biphenyl and PCBs should not be regarded as a simple linear pathway, but as a complex interplay between different catabolic gene modules...
Amplified functional DNA restriction analysis to determine catechol 2,3-dioxygenase gene diversity in soil bacteriaHoward Junca
Department of Environmental Microbiology, GBF German Research Centre for Biotechnology, Mascheroder Weg 1, D 38124 Brunswick, Germany
J Microbiol Methods 55:697-708. 2003..This approach may be useful to differentiate functional genes also for many other gene families...
Metabolic networks, microbial ecology and 'omics' technologies: towards understanding in situ biodegradation processesRamiro Vilchez-Vargas
Microbial Interactions and Processes Research Group, HZI Helmholtz Centre for Infection Research, Inhoffenstraße 7, D 38124 Braunschweig, Germany
Environ Microbiol 12:3089-104. 2010..Collectively, this will allow tracking regulation and evolution within microbial communities ultimately aiming to understand the mechanisms taking place in large scale bioremediation treatments for aromatic decontamination...
Comparative evaluation of establishing a human gut microbial community within rodent modelsMelissa Wos-Oxley
Microbial Interactions and Processes Research Group, Department of Medical Microbiology, Helmholtz Centre for Infection Research, Braunschweig, Germany
Gut Microbes 3:234-49. 2012..Thus, the genetic background of the different recipient rodent systems (that is, rats and mice) strongly influences the nature of the populating human gut microbiota, determining each model's biological suitability...
Polychlorinated biphenyl-degrading microbial communities in soils and sedimentsWolf Rainer Abraham
Division of Microbiology, Gesellschaft für Biotechnologische Forschung German Research Centre for Biotechnology, Mascheroder Weg 1, 38124, Braunschweig, Germany
Curr Opin Microbiol 5:246-53. 2002..Here, we provide an overview of the current knowledge of aerobic and anaerobic degradation of PCBs in microbial consortia and in the environment, including novel approaches to determine in situ PCB degradation...
Novel insights into the interplay between peripheral reactions encoded by xyl genes and the chlorocatechol pathway encoded by tfd genes for the degradation of chlorobenzoates by Ralstonia eutropha JMP134Thomas Ledger
, , , , Casilla 114-D Santiago, Chile
Microbiology 148:3431-40. 2002..eutropha JMP134, these new properties are strongly influenced by the dosage of the tfd genes, the presence of a chromosomal xylS-like regulatory element and the different contributions of the tfd gene clusters...
Microorganisms degrading chlorobenzene via a meta-cleavage pathway harbor highly similar chlorocatechol 2,3-dioxygenase-encoding gene clustersMarkus Göbel
Chemische Mikrobiologie, Bergische Universitat Wuppertal, Fachbereich C, Gaubetastrabetae 20, 42097 Wuppertal, Germany
Arch Microbiol 182:147-56. 2004..The current study suggests that meta-cleavage of 3-chlorocatechol is not an atypical pathway for the degradation of chlorobenzene...
Alternative primer sets for PCR detection of genotypes involved in bacterial aerobic BTEX degradation: distribution of the genes in BTEX degrading isolates and in subsurface soils of a BTEX contaminated industrial siteBarbara Hendrickx
Environmental and Process Technology (Vito, Flemish Institute for Technological Research, B-2400 Mol, Belgium
J Microbiol Methods 64:250-65. 2006..They indicate that bacteria carrying specific pathways and primarily carrying tmoA/xylM/xylE1 genotypes, are being selected upon BTEX contamination...
trans-Dienelactone hydrolase from Pseudomonas reinekei MT1, a novel zinc-dependent hydrolaseBeatriz Cámara
Department of Microbial Pathogenesis, HZI Helmholtz Centre for Infection Research, Inhoffenstr 7, 38124 Braunschweig, Germany
Biochem Biophys Res Commun 376:423-8. 2008..It is the first member of COG1878 and PF04199 for which a direct physiological function has been reported...
The copy number of the catabolic plasmid pJP4 affects growth of Ralstonia eutropha JMP134 (pJP4) on 3-chlorobenzoateNicole Trefault
, , , , Casilla 114-D, Santiago, Chile
FEMS Microbiol Lett 212:95-100. 2002..Therefore, several copies of pJP4 per chromosome are required for full expression of the tfd-encoded growth abilities in the wild-type R. eutropha strain...
A novel pathway for mineralization of the thiocarbamate herbicide molinate by a defined bacterial mixed cultureLuisa Barreiros
Departamento de Engenharia Quimica, Faculdade de Engenharia, Universidade do Porto, Porto, Portugal
Environ Microbiol 5:944-53. 2003..In this way, interactions among defined mixed culture members involve metabolic and detoxifying association...
