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Brec Clay
Home Up Brec Clay Greg Sturbaum Rhonda Sherman Stephanie Long Shannon Sheldon





Dr. Brec L. Clay, President/Treasurer
CH Diagnostic & Consulting Service, Inc.
512 5th Street
Berthoud, CO 80513

Telephone: (970) 532-2078     Facsimile: (970) 532-3358

email: bclay@chdiagnostic.com         website: www.chdiagnostic.com



Ph.D.: 1999 Botany, Colorado State University

M.S.: 1995 Botany, Colorado State University
B.S.: 1993 Biology, Colorado State University

President/Treasurer. July 2001 - present. CH Diagnostic & Consulting Service, Inc. Loveland, CO 80537.

Curator, UTEX Culture Collection of Algae. June 2000 - June 2001. University of Texas. Austin, TX 78713.

Senior Post-doctoral Research Associate. August 1999 - June 2000. Nuclear structure and function. Dr. Chris Woodcock, Supervisor. University of Massachusetts, Biology Department, Amherst, MA 01003.

Water Quality Analyst. October 1997 - August 1999. CH Diagnostic & Consulting Service, Inc., 214 SE 19th Street, Loveland, CO 80537.

Doctoral Research. 1996 - August 1999. Colorado State University, Biology Department. Systematics of kathablepharids and cryptomonads with particular emphasis on the origin of blue-green cryptomonads.

Algal curator/Laboratory Assistant. 1995-1996. University of Georgia, Botany Department. Isolation of freshwater algae with particular emphasis on chytrid/algal associations.

Thesis Research. 1993-1995. Colorado State University. Biology Department. Ultrastructural Variations within the genus Campylomonas (Cryptophyceae).

Research Assistant. 1993. Colorado State University, Biology Department. Development of simple assays for screening freshwater phytoplankton for toxin production.


Development of PCR-based methodologies related to the detection of waterborne pathogens, namely, Cryptosporidium. Systematics and ecology of aquatic algae, protozoa, and fungi.


Clay, B.L. and Kugrens, P. (1999). Systematics of the enigmatic kathablepharids, including EM characterization of the type species, Kathablepharis phoenikoston, and new information on K. remigera comb. nov. Protist. 150: 43-59.

Clay, B.L., Kugrens, P., and Lee, R.E. (1999). A revised classification of Cryptophyta. The Botanical Journal of the Linnaen Society. 131: 131-151.

Clay, B.L. and Kugrens, P. (1999). Characterization of Hemiselmis amylosa sp. nov. and phylogenetic placement of the blue-green cryptomonads H. amylosa and Falcomonas daucoides. Protist. 150: 297-310.

Clay, B.L. and Kugrens, P. (1999). Description and ultrastructure of Kathablepharis tenuis sp. nov. and K. obesa sp. nov. - Two new freshwater kathablepharids (Kathablepharididae) from Colorado and Wyoming. European Journal of Protistology. 35: 435-447.

Kugrens, P., Clay, B.L., Meyer, C.J. and Lee, R.E. 1999. Ultrastructure and description of Cyanophora biloba, sp. nov., with additional observations on C. paradoxa. Journal of Phycology. 35: 844-854.

Kugrens, P., Clay, B.L., and Lee, R.E. 1999. Ultrastructure and systematics of the freshwater red cryptomonads Pyrenomonas rhinosa sp. nov. and Rhodomonas ovalis. Journal of Phycology.

Kugrens, P., Clay, B. L., Aguiar, R. (1999). Ultrastructure and description of Lobocharacium coloradoensi gen. et sp. nov. (Chlorophyta, Characiosiphonaceae)., an unusual coenocyte from Colorado. Journal of Phycology. 36: 421-432.

Sturbaum, GD, PT Klonicki, MM Marshall, BH Jost, BL Clay, and CR Sterling. 2002. Immunomagnetic separation (IMS)-fluorescent antibody detection and IMS-PCR detection of seeded Cryptosporidium parvum oocysts in natural waters and their limitations. Applied and Environmental Microbiology. 68(6): 2991-6.


Clay, B.L., Kugrens, P., and Lee, R.E. (1999). Cryptomonads. In: Robertson S. (Ed.) Encyclopedia of Life Sciences. Macmillan Reference Limited, Inc. London, UK.

Kugrens, P. and Clay, B.L. (2002). Cryptophyta. In: Wehr J.D. and Sheath, R. G. (Eds.) Ecology and Classification of North American Freshwater Algae. Academic Press, San Diego, CA.


Phycological Society of America Election Committee - 2000 - 2002

UTEX Culture Collection Advisory Committee - 2000


2000 - National Science Foundation - Microbial Systematics

1999 - Phycological Society of America Hoshaw Travel Award

1998 - Phycological Society of America Grants in aid of Research

1998 - Phycological Society of America Hoshaw Travel Award

1997 - Sigma Xi, The Scientific Research Society, Grants in aid of Research

1997 - Phycological Society of America Hoshaw Travel Award

1992 - Howard Hughes Undergraduate Research Scholarship


American Water Works Association

Phycological Society of America

International Phycological Society

NorthWest Algal Society




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Copyright 2005 CH Diagnostic & Consulting Service, Inc.
Last modified: June 11, 2007