Skip Navigation

Person Details: Dr. William C. Ghiorse

Maintenance notice: We are currently addressing issues with broken links due to recent major website changes. We apologize for any inconvenience and appreciate your patience. Please contact for assistance.

Superfund Research Program

Dr. William C. Ghiorse

Cornell University
B75C Wing Hall

Ithaca, New York 1459-8101
Phone: 607-255-3086
Fax: 607-255-3904


Research Briefs



  • Liu A, Ahn I, Mansfield C, Lion LW, Shuler ML, Ghiorse WC. 2001. Phenanthrene desorption from soil in the presence of bacterial extracellular polymer: Observations and model predictions of dynamic behavior. Water Res 35(3):835-843. PMID:11228983


  • Dees PM, Ghiorse WC. 2000. Sequence analysis of rRNA genes from hot compost reveals a predominance of Gram-positive bacteria. In: Proceedings of the Annual Meeting of the American Society for Microbiology.
  • Dees PM, Ghiorse WC. 2000. The value of DGGE for analysis of community diversity in hot compost. In: Proceedings of the American Society for Microbiology Conference on Microbial Biodiversity. Chicago, IL.


  • Ahn I, Ghiorse WC, Lion LW, Shuler ML. 1999. Independent prediction of naphthalene desorption and transport in porous media with a hybrid. Environ Sci Technol 33(18):3241-3248.
  • Eaglesharm B, Nelson YM, Lion LW, Shuler ML, Ghiorse WC. 1999. Development of light and electron microscope methods for study of the microscale distribution of heavy metal adsorption sites in Cayuga Lake biofilms. In: Proceedings of the International Symposia for Environmental Biogeochemistry: Interfacial Processes from the Molecular to the Global Scale. Huntsville, Ontario, Canada.
  • Miller DN, Bryant JE, Madsen EL, Ghiorse WC. 1999. Evaluation and optimization of DNA extraction and purification procedures for soil and sediment samples. Appl Environ Microbiol 65(11):4715-4724. PMID:10543776
  • Miller DN, Ghiorse WC, Yavitt JB. 1999. Seasonal patterns and controls on methane and carbon dioxide fluxes in forested swamp pools. Geomicrobiol J 16:325-331.
  • Miller DN, Ghiorse WC, Zinder SH. 1999. High purity 14CH4 generation using the thermophilic acetotrophic methanogen Methanothrix sp. strain CALS-1. J Microbiol Methods 35(2):151-156. PMID:10192047
  • Nelson YM, Lion LW, Ghiorse WC, Shuler ML. 1999. Production of biogenic Mn oxides by Leptothrix discophora SS-1 in a chemically defined growth medium and evaluation of their Pb absorption characteristics. Appl Environ Microbiol 65:175-180. PMID:9872777
  • Nelson YM, Lion LW, Shuler ML, Ghiorse WC. 1999. Lead binding to metal oxide and organic phases of natural aquatic biofilms. Limnology and Oceanography 44(7):1715-1729.


  • Ahn I, Ghiorse WC, Lion LW, Shuler ML. 1998. Growth kinetics of Pseudomonas putida G7 on naphthalene and occurrence of naphthalene toxicity during nutrient deprivation. Biotechnol Bioeng 59(5):587-594. PMID:10099376


  • Ahn I, Ghiorse WC, Lion LW, Shuler ML. 1997. Independent prediction of naphthalene transport and biodegradation in soil with a mathematical model. Biotechnol Bioeng 24:PMID:10440672
  • Czajka DR, Lion LW, Shuler ML, Ghiorse WC. 1997. Evaluation of the utility of bacterial extracellular polymers for treatment of metal contaminated soils: Polymer persistence, mobility and the influence of lead. Water Resour Res 31:2827-2839.
  • Kachlany SC, Ghiorse WC. 1997. Structure and component carbohydrate analysis of an exopolysaccharide capsule of biofilm-forming Pseudomonas putida G7. In: Proceedings of the American Society for Microbiology 1997 Annual Meeting. Miami, FL. pp.62.
  • Kachlany SC, Shah R, Ghiorse WC. 1997. Isolation, purification, and characterization of metal-binding exopolymers from Pseudomonas putida G7 and Burkholderia cepacia17616. In: Proceedings of A Decade of Improved Health Through Multidisciplinary Research, NIEHS (National Institute of Environmental Health Sciences). Durham, NC.
  • Siering PL, Ghiorse WC. 1997. Development and application of 16S ribosomal RNA-targeted probes for detection of iron- and manganese-oxidizing sheathed bacteria in environmental samples. Appl Environ Microbiol 63:644-651. PMID:9023942
  • Siering PL, Ghiorse WC. 1997. PCR detection of a putative manganese oxidation gene (mofA) in environmental samples and assessment of mofA homology among diverse manganese oxidizing bacteria. Geomicrobiol J 14:109-125.


  • Ghiorse WC, Miller DN, Sandoli RL, Siering PL. 1996. Applications of laser scanning microscopy for analysis of aquatic microhabitats. Microsc Res Tech 33(1):73-86. PMID:8820665
  • Sandoli RL, Ghiorse WC, Madsen EL. 1996. Regulation of microbial phenanthrene mineralization in sediments by sorbent- sorbate contact time, inoculum, and gamma irradiation-induced sterilization artifacts. Environ Toxicol Chem 15:1901-1907.
  • Siering PL, Ghiorse WC. 1996. Phylogeny of the Sphaeotilus Leptothria group inferred from morphological comparisons, genomic fingerprinting, and 16S ribosomal DNA sequence analyses. Int J Syst Bacteriol 46:173-182. PMID:8573492


  • Chen J, Czajka DR, Lion LW, Shuler ML, Ghiorse WC. 1995. Trace metal mobilization in soil by bacterial polymers. Environ Health Perspect 103(supp.1):53-58. PMID:7621800
  • Chen J, Lion LW, Ghiorse WC, Shuler ML. 1995. Mobilization of adsorbed cadmium and lead in aquifer material by bacterial extracellular polymers. Water Resour Res 29:421-430.
  • Ghiorse WC, Herrick JB, Sandoli RL, Madsen EL. 1995. Natural selection of PAH-degrading bacterial guilds at coal-tar disposal sites. Environ Health Perspect 103(supp.5):103-111. PMID:8565896
  • Miller DN, Madsen EL, Ghiorse WC. 1995. Detection and enumeration of indigenous Type I and Type II methanotrophs from wetland sediments using a PCR-MPN technique. In: Proceedings of American Society for Microbiology, 1995 National Meeting. pp.338.
to Top