Christopher Howard House


 

Address:        Department of Geosciences
                        208 Deike Building
                        University Park, PA 16802
                        Email: 
chouse@geosc.psu.edu

Education:

B. S. in Biochemistry and Cell Biology, University of California, San Diego

Ph.D. in Geology, University of California, Los Angeles
Dissertation Title:

"Carbon Isotopic Fractionation by Diverse Extant and Fossil Prokaryotes
and
Microbial Phylogenetic Diversity Revealed through Genomics"




RESEARCH INTERESTS

Microbial diversity and cultivation, microbial paleontology, molecular evolution and genomics, astrobiology, & geomicrobiology
 

RESEARCH EXPERIENCE

 
Summer and Adjunct fellow with S.L. Miller (1993 and 1994)
     NASA Specialized Center for Reseaerch and training in Exobiology (NSCORT)

Graduate Fellow with J. W. Schopf (1996-1997)
      UCLA Center for the study of Evolution and the Origin of Life (CSEOL)

Visiting Researcher with Karl O. Setter (1997)
      Lehrstuhl fˆºr Mikrobiologie, Regensburg, Germany

Teaching/Research Assistant (1996-1999)
      Department of Earth and Space Sciences, University of California, Los Angeles

Research Assistant (1989-1999)
      IGPP Center for Astrobiology, University of California, Los Angeles

Assistant Professor of Geosciences (2000-2006)
      Department of Geosciences, Penn State University

Associate Professor of Geosciences (2006-)
      Department of Geosciences
   
   Penn State University
      University Park, Pennsylvania

 

DATA FILES FROM GENOMIC PUBLICATIONS

1999 NAR paper

 

2002 JME paper

 

2003 Geobiology paper

 

2005 American Journal of Science (AJS) paper

 

SELECTED PUBLICATIONS

Ferry, J.G. and House, C.H., The Step-Wise Evolution of Early Life Driven by Energy Conservation.  Molecular Biology and Evolution, 23: 1286-1292.

Zerkle, A.L, House, C.H., Cox, R.P., , and Canfield, D.E. Metal limitation of cyanobacterial N2 fixation and implications for the Precambrian nitrogen cycle.  In press at Geobiology.

Biddle, J.F. Lipp, J.S., Lever, M., Lloyd, K., Sˆ½rensen, K., Anderson, R., Fredricks, H.F., Elvert, M., Kelly, T.J., Schrag, D.P., Sogin, M.L., Brenchley, J.E., Teske, A., House, C.H., Hinrichs. K., 2006.  Novel heterotrophic Archaea dominate sedimentary subsurface ecosystems off Peru.  Proceedings of the National Academy of Sciences, 103:  3846-3851.  (Featured in Microbe, a magazine of the ASM).

Biddle, J.F., House, C.H., and Brenchley, J.E., 2005.  Microbial stratification in deeply buried marine sediment reflects changes in sulfate/methane geochemistry.  Geobiology, 3:  287-295.

Zerkle, A.L., House, C.H., and Brantley, S., 2005  Genomic Study of Biogeochemical Signatures for Microbial Metabolisms through Time.  American Journal of Science, 305 (’ÄúOct., Sept., Nov.’Äù Issue): 467-502

Biddle, J.F., House, C.H., and Brenchley, J.E., 2005.  Enrichment cultivation of microorganisms from sediment from the slope of the Peru Trench (ODP Site 1230). Proceedings of the Ocean Drilling Program, Scientific Results, 201.

Moran, J. J., House, C. H., Freeman, K. H., and Ferry, J. G., 2005.  Trace methane oxidation studied in several Euryarchaeota under diverse conditions.  Archaea, 1:  293-301. 

D’ÄôHondt, S., and 34 others., 2004.  Distributions of Microbial Activities in Deep Subseafloor Sediments.  Science, 306:  2216-2221.  [Research Article]

Orphan, V. J., Ussler III, W., Naehr, T., House,  C.H., Hinrichs, K. U. and Paull,  C. K., 2004.  Geological, Geochemical, and Microbiological Heterogeneity of the Seafloor Around Methane Vents in the Eel River Basin, offshore California.  Chemical Geology, 205:  265-289. 

House, C.H., Runnegar, B., and Fitz-Gibbon, S.T.,  Geobiological analysis using whole genome-based tree building applied to the Bacteria, Archaea, and Eukarya. Geobiology, 1: 15-16.

House, C.H., Cragg, B., Teske, A., and the Leg 201 Scientific Shipboard Party.  Drilling Contamination Tests on ODP Leg 201 Using Chemical and Particulate Tracers. Proceedings of the Ocean Drilling Program, Initial Reports.

House, C.H., Schopf, J.W., and Stetter, K.O., 2003.  Carbon isotopic fractionation by Archeans and other thermophilic Prokaryotes. Organic Geochemistry, 34: 345-356.

House, C.H. and Fitz-Gibbon, S.T., 2002.  Using homolog groups to create a whole-genomic tree of free-living organisms:  an update. Journal of Molecular Evolution, 53: 539-547.

Orphan, V.J., House, C.H., Hinrichs, K.U., McKeegan, K.D., and DeLong, E.F., 2002.  Multiple archaeal groups mediate methane oxidation in anoxic cold seep sediments. Proceedings of the National Academy of Sciences, 99: 7663-7668.

House, C.H., Fitz-Gibbon, S.T., 2002.  Using homolog groups to create a whole-genomic tree of free-living organisms: an update. Journal of Molecular Evolution, 53: 539-547.

Orphan, V.J., House, C.H., Hinrichs, K.U., McKeegan, K.D., and DeLong, E.F., 2001.  Coupled isotopic and phylogenetic characterization of single cells: direct evidence for a methane-consuming archaeal/bacterial consortium. Science, 293: 484-487. (Paper featured in the News Focus section of Science - Vol. 293 in an article by Carl Zimmer)

House, C.H., Schopf, J.W., McKeegan, K.D., Coath, C.D., Harrison, T.M., and Stetter, K.O., 2000.  Carbon isotopic composition of individual Precambrian microfossils.  Geology, 28:707-710.  (Paper featured in the Editors' Choice section of Science - Vol. 289)

Fitz-Gibbon, S.T. and C.H. House. Whole Genome-based Phylogenetic Analysis of Free-Living Microorganisms.  Nucleic Acids Research, 1999.  27: p. 4218-4222. (Paper featured prominently in a Science perspectives article about Genomics and the Geosciences - Banfield and Marshall, 2000)

House, C.H. and S.L. Miller.  Hydrolysis of dihydrouridine and related compounds.  Biochemistry, 1996.  35:  p. 315-320.

 


LECTURES AND SEMINARS

Penn State University.  Department of Geosciences.  Fall 2002.  Title: The Carbon Isotopic Analysis of Individual Modern or Fossil Cells, a Geochemical Approach to Studying Biochemistry.

University of North Carolina at Chapel Hill.  Department of Marine Sciences.  Fall 2002.  Title: The Carbon Isotopic Analysis of Individual Modern or Fossil Cells, a Geochemical Approach to Studying Biochemistry.

Exploration of Subsurface Pacific Microbial Ecosystems.  10th Meeting of the International Society for the Study of the Origin of Life.  Oaxaca, Mexico.  June 2002.

Ohio State University.  Department of Geological Sciences Lunch Brownbag.  Spring 2002.  Title: Of microbes and men (people):  Whole genome-based phylogenetics applied to Bacteria, Archaea, and Eukarya.

Ohio State University.  Department of Geological Sciences Colloquium Series.  Spring 2002.  Title: The Carbon Isotopic Analysis of Individual Modern or Fossil Cells, a Geochemical Approach to Studying Biochemistry.

Single cell isotope techniques and biogeochemistry. Presented at the ASM annual meeting.  Salt Lake City, Utah.  May 2002.

Of microbes and men (people):  Whole genome-based phylogenetics applied to Bacteria, Archaea, and Eukarya.  Woods Hole Oceanographic Institute.  Fall 2001.

Novel approaches for microbial geochemistry and for microbial phylogenetics.  Monterey Bay Aquarium Research Institute Colloquium Series.  Fall 2001.

Methane-Consuming Microbial Consortia Identified and Studied Using a Novel Combination of Fluorescent in-situ Hybridization and Ion Microprobe d13C Analysis.  Joint GSA/GSL Conference on Earth System Processes.  June 2001.

Using homolog groups to create a whole-genome tree of free-living organisms:  an update. The Eleventh Annual V. M. Goldschmidt Conference.  Hotsprings, VA. May 2001.

Methane-Consuming Microbial Consortia Identified and Studied Using a Novel Combination of Fluorescent in-situ Hybridization and Ion Microprobe d13C Analysis.  The NASA National Astrobiology Institute Annual Meeting.  Washington, D.C.  April 2001.

Novel approaches for microbial phylogenetics and for microbial geochemistry.  University of Massachusetts, Lowell. Department of Biology Colloquium Series.  Spring 2001.

Culture-independent study of carbon metabolism in microorganisms from the environment and from the fossil record.  State University of New York at Stony Brook Department of Geosciences Colloquium Series.  Spring 2001.

Studying fossil and modern prokaryotes using an ion microprobe.  The American Society of Microbiology, Allegheny Branch Meeting.  State College, PA.  October 2000

Examining Microbial Diversity in the Precambrian.  University of Maryland & University of Rochester.  Fall, 2000.

The Gordon Research Conference on the Origin of Life.  July, 2000 (Invited)
"From Geonomes to Microfossils: The Search for Ancient Biochemical Diversity"

The Geological Society of America Annual Meeting.  October 1999
 "Predicted Carbon Isotopic Fractionation of the Last Common Ancestor of all Extant Life on Earth - Implications for Fossil Life Detection"

University of Chicago, Carnegie Institute, & ASU departmental seminars.  Fall 1999 (Invited)
"From Genomes to Microfossils:  The Search for Ancient Biochemical Diversity"

International Society for the Study of Origin of Life.  July 1999
 "Carbon Isotopic Analyses of Individual Microscopic Fossils: A Novel Tool for Astrobiology"

The European Union of Geosciences in Strasbourg, France.  April 1999 (Invited)
 "Carbon isotopic analyses of Precambrian microfossils: a tool for constraining molecular evolution"

Joint Origins Colloquia between UCLA and Caltech.  February 1999 (Invited)
 "Understanding the Precambrian oceans"

UCLA Astrobiology Student Seminar.  November 1998
"The Viking Biological Experiments on Mars"

The Eighth Annual V. M. Goldschmidt Conference in Toulouse, France.  August 1998
 "Carbon isotope analyses of ancient microfossils:  a new tool for Precambrian paleobiology"

California Paleontological Conference.  April 1997
 "Pseudofossils and microfossils - important differences"

Institute of Geophysics and Planetary Physics Graduate Seminar.  April 1997 (Invited)
"Was the last common ancestor of present life a hyperthermophile?"

The Neato Club Graduate Seminar at Caltech.  September 1996 (Invited)
"Pseudofossils and microfossils - important differences"

California Paleontological Conference.  April 1996
"The evolutionary history of dihydrouridine and its relevance to the last common ancestor"
 

MEMBERSHIP IN PROFESSIONAL ORGANIZATIONS

American Association for the Advancement of Science
American Society for Microbiology
Explorer's Club
Geological Society of America
International Society for the Study of the Origin of Life
Paleontological Society