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Your Environment. Your Health.

Person Details: Krassimira R. Hristova

Superfund Research Program

Krassimira R. Hristova

University of California-Davis
Department of Land, Air, and Water Resources
3240 Plant and Environmental Sciences
Davis, California 95616
Phone: 530-752-2412


Research Briefs



  • Joshi G, Schmidt R, Denison MS, Hristova KR. 2016. Effect of benzene and ethylbenzene on the transcription of methyl-tert-butyl ether degradation genes of Methylibium petroleiphilum PM1. Microbiology 162(9):1563-1571. doi:10.1099/mic.0.000338 PMID:27450417 PMCID:PMC4459789


  • Joshi G, Schmidt R, Scow KM, Denison MS, Hristova KR. 2015. Gene mdpC plays a regulatory role in the methyl-tert-butyl ether degradation pathway of Methylibium petroleiphilum strain PM1. FEMS Microbiol Lett 362(7):doi:10.1093/femsle/fnv029 PMID:25724531 PMCID:PMC4459789


  • Hicks K, Schmidt R, Nickelsen MG, Boyle SL, Baker JM, Tornatore PM, Hristova KR, Scow KM. 2014. Successful treatment of an MTBE-impacted aquifer using a bioreactor self-colonized by native aquifer bacteria. Biodegradation 25(1):41-53. doi:10.1007/s10532-013-9639-0 PMID:23613160 PMCID:PMC3950410





  • Kalyuzhnaya MG, Hristova KR, Lidstrom ME, Chistoserdova L. 2008. Characterization of a novel methanol dehydrogenase in representatives of Burkholderiales: implications for environmental detection of methylotrophy and evidence for convergent evolution. J Bacteriol 190(11):3817-3823. doi:10.1128/JB.00180-08 PMID:18390659 PMCID:PMC2395034
  • Nozawa-Inoue M, Jien M, Hamilton NS, Stewart V, Scow KM, Hristova KR. 2008. Quantitative detection of perchlorate-reducing bacteria by real-time PCR targeting the perchlorate reductase gene. Appl Environ Microbiol 74(6):1941-1944. doi:10.1128/AEM.01658-07 PMID:18245250 PMCID:PMC2268300
  • Son A, Dhirapong A, Dosev D, Kennedy IM, Weiss RH, Hristova KR. 2008. Rapid and quantitative DNA analysis of genetic mutations for polycystic kidney disease (PKD) using magnetic/luminescent nanoparticles. Anal Bioanal Chem 390(7):1829-1835. doi:10.1007/s00216-008-1892-4 PMID:18256809
  • Son A, Nichkova MJ, Dosev D, Kennedy IM, Hristova KR. 2008. Luminescent lanthanide nanoparticle labels in DNA-based microarray approach for quantification of MTBE degrading bacteria. J Nanosci Nanotechnol 8(5):2463-7. doi:10.1166/jnn.2008.347 PMID:18572664


  • Cavagnaro TR, Jackson LE, Scow KM, Hristova KR. 2007. Effects of arbuscular mycorrhizas on ammonia oxidizing bacteria in an organic farm soil. Microb Ecol 54(4):618-626. doi:10.1007/s00248-007-9212-7 PMID:17955326
  • Hristova KR, Schmidt R, Chakicherla AY, Legler TC, Wu J, Chain PS, Scow KM, Kane SR. 2007. Comparative transcriptome analysis of Methylibium petroleiphilum PM1 exposed to the fuel oxygenates methyl tert-butyl ether and ethanol. Appl Environ Microbiol 73(22):7347-7357. doi:10.1128/AEM.01604-07 PMID:17890343 PMCID:PMC2168209
  • Kane SR, Chakicherla AY, Chain PS, Schmidt R, Shin MW, Legler TC, Scow KM, Larimer FW, Lucas SM, Richardson PM, Hristova KR. 2007. Whole-genome analysis of the methyl tert-butyl ether-degrading beta-proteobacterium Methylibium petroleiphilum PM1. J Bacteriol 189(5):1931-1945. doi:10.1128/JB.01259-06 PMID:17158667 PMCID:PMC1855728
  • Son A, Dosev D, Nichkova MJ, Ma Z, Kennedy IM, Scow KM, Hristova KR. 2007. Quantitative DMA hybridization in solution using magnetic/luminescent core-shell nanoparticles. Anal Biochem 370:186-194. PMID:17869209


  • Nakatsu CH, Hristova KR, Hanada S, Meng X, Hanson JR, Scow KM, Kamagata Y. 2006. Methylobium petroleophilum PM1 gen. nov., sp. nov., a new methyl tert-butyl ether (MTBE) degrading methylotroph belonging to the beta-subclass of the Proteobacteria. Int J Syst Evol Microbiol 56(5):983-989.


  • Smith AH, Hristova KR, Wood IA, Mackay DM, Lory E, Lorenzana D, Scow KM. 2005. Comparison of biostimulation versus bioaugmentation with bacterial strain PM1 for treatment of groundwater contaminated with methyl tertiary butyl ether (MTBE). Environ Health Perspect 113(3):317-322. PMID:15743721


  • Feris KP, Hristova KR, Gebreyesus B, Mackay DM, Scow KM. 2004. A shallow BTEX and MTBE contaminated aquifer supports a diverse microbial community. Microb Ecol 48(4):589-600. PMID:15696392
  • Okano Y, Hristova KR, Leutenegger CM, Jackson LE, Denison RF, Gebreyesus B, Lebauer D, Scow KM. 2004. Application of real-time PCR to study effects of ammonium on population size of ammonia-oxidizing bacteria in soil. Appl Environ Microbiol 70(2):1008-1016. PMID:14766583


  • Hristova KR, Gebreyesus B, Mackay DM. 2003. Naturally occurring bacteria similar to the methyl tert-butyl ether (MTBE)-degrading strain PM1 are present in MTBE-contaminated groundwater. Appl Environ Microbiol 69(5):2616-2623. PMID:12732529


  • Hristova KR, Lutenegger CM, Scow KM. 2001. Detection and quantification of methyl tert-butyl ether-degrading strain PM1 by real-time TaqMan PCR. Appl Environ Microbiol 67(11):5154-5160. PMID:11679339
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