Belofsky Research Group

Research Poster

Research and Employment Experience

Central Washington University, Ellensburg, WA, Associate Professor of Chemistry             Jun. 2014 – present

Primary investigator in a natural products research program

Central Washington University, Ellensburg, WA, Assistant Professor of Chemistry              Sept. 2008 – Jun. 2014

Primary investigator in a natural products research program

Efficas, Inc., Boulder, CO, Director, Natural Products Research                                      July 2005 – Jan. 2008

Bioactives from food and plant extracts for health and nutritional management of disease

The University of Tulsa, Tulsa, OK, Assistant Professor of Chemistry                             Jan. 1999 – June 2005

Primary investigator in a botanical natural products research program

Scripps Institution of Oceanography, La Jolla, CA, Postdoctoral Research Fellowship    Feb. 1996 - Jun. 1998

Original research in marine natural products chemistry, advisor Dr. William Fenical

Bristol-Myers Squibb Company, Wallingford, CT, Associate Research Scientist              Jan. 1989 - May 1991

Conducted original research in antitumor natural products chemistry

Harvard University, Cambridge, MA, Research Assistant                                                Jan. 1988 - Dec. 1988

Research in biological oceanography

Publications in Peer-reviewed Journals

(undergraduate authors bold and underlined)

Belofsky, G.; Ahn, H.; Zapata, M.; Wilcox, D.; Salomon, C.E.; Spiegel, P.C.; “Antimicrobial Isoflavans and Other Metabolites of Dalea jamesii” Planta medica, 2023, 89, 1-10.

Dondji, B.; McPherson, V.; Wolhart, H.; Spiegel, C.; Belofsky, G. “Assessment of the Anthelmintic Activity and Toxicity of Metabolites of Dalea pogonathera (Fabaceae)” Phytochemistry Letters 2022, 51, 75-81.

Belofsky, G.; Engels, L.; McPherson, V.; Nash, K.; Sullivan, K.; Torrey, B.; Ripley, C.; Coria, A.; Bicchieri, T.; Dondji, B. “Investigation of Dalea parryi (Fabaceae) Metabolites for Anthelmintic Activity Against the Human Pathogenic Hookworm Ancylostoma ceylanicum” Phytochemistry, 2020, 177, 112423.

Deardorff, K.; Ray, W.; Winterstein, E.; Brown, M.; McCornack, J.; Cardenas-Garcia, B.; Jones, K.; McNutt, S.; Fulkerson, S.; Ferreira, D.; Geny, C.; Chen, X.; Belofsky, G.; Dondji, B. “Phenolic Metabolites of Dalea ornata Affect Both Survival and Motility of the Human Pathogenic Hookworm Ancylostoma ceylanicum” Journal of Natural Products, 2016, 79, 2296-2303.

Belofsky, G.; Aronica, M.; Foss, E.; Diamond, J.; Santana, F.; Farley, J.; Dowd, P.; Coleman, C.; Ferreira, D. “Antimicrobial and Antiinsectan Flavonoids of Dalea searlsiae (Fabaceae)” Journal of Natural Products, 2014, 77, 1140-1149.

Belofsky, G; Kolaczkowski, M.; Adams, E.; Schreiber, J.; Eisenberg, V., Coleman, C.M.; Zou, Y.; Ferreira, D. “Fungal ABC Transporter-Associated Activity of Isoflavonoids of the Root Extract of Dalea formosa (Fabaceae)” Journal of Natural Products, 2013, 76, 915-925. 

Marsella, R.; Messinger, L.; Zabel, S.; Rosychuk, R.; Griffin, C.; Cronin, P.O.; Belofsky, G.; Lindemann, J.; Stull, D. “A Randomized, Double Blind, Placebo Controlled Study to Evaluate the Effect of EFF1001, an Actinidia arguta (Hardy Kiwi) Preparation, on CADESI Score and Pruritus in Dogs with Mild to Moderate Atopic Dermatitis” Veterinary Dermatology, 2010, 21, 50-57.

Lindemann, J.; Pampe, E.D.; Peterkin, J.J.; Orozco-Cronin, P.; Belofsky, G.N.; Stull, D.P. “Clinical Study of the Effects on Asthma-Related QOL and Asthma Management of a Medical Food in Adult Asthma Patients”, Current Medical Research & Opinion, 2009, 25(12), 2865-2875.

Belofsky, G.; Carreno, R.; John, D.T.; Goswick, S.M. “Activity of Isoflavans of Dalea aurea (Fabaceae) against the Opportunistic Ameba Naegleria fowleri” Planta medica, 2006, 72, 383-386.

Belofsky, G.; Carreno, R.; Lewis, K.; Ball, A.R.; Casadei, G.; Tegos, G.P. "Metabolites of the ‘Smoke Tree’ Dalea spinosa Potentiate Antibiotic Activity against Multi-Drug Resistant (MDR) Staphylococcus aureus" Journal of Natural Products, 2006, 69, 261-264.

Belofsky, G.; Percivill, D.; Lewis, K.; Tegos, G.P.; Ekart, J. "Phenolic Metabolites of Dalea versicolor that Enhance Antibiotic Activity Against Model Pathogenic Bacteria," Journal of Natural Products, 2004, 67, 481-484.

Belofsky, G.; French, A.F.; Wallace, D.R.; Dodson, S.L. "New Geranyl Stilbenes from Dalea purpurea with in vitro Opioid Receptor Affinity," Journal of Natural Products, 2004, 67, 26-30.

Belofsky, G.N.; Anguera, M.; Jensen, P.R.; Fenical, W.; Köck, M. "Oxepinamides A-C and Fumiquinazolines H-I: Bioactive Metabolites from a Marine Isolate of a Fungus of the Genus Acremonium," Chemistry, A European Journal 2000, 6, 1355.

Belofsky, G.N.; Jensen, P.R.; Fenical, W., "Sansalvamide A: A New Cytotoxic Cyclic Depsipeptide Produced by  a Marine Isolate of a Fungus of the Genus Fusarium," Tetrahedron Letters 1999, 40, 2913.

Belofsky, G.N.; Jensen, P.R.; Renner, M.K.; Fenical, W., "New Cytotoxic Sesquiterpenoid Nitrobenzoyl Esters from a Marine Isolate of the Fungus Aspergillus versicolor," Tetrahedron 1998, 54, 1715.

Belofsky, G.N.; Gloer, K.B.; Gloer, J.B.; Wicklow, D.T.; Dowd, P.F., "New p-Terphenyl and Polyketide Metabolites from the Sclerotia of Penicillium raistrickii," Journal of Natural Products 1998, 61, 1115.

Belofsky, G.N.; Gloer, J.B.; Wicklow, D.T.; Dowd, P.F., "Shearamide A: A New Cyclic Peptide from the Ascostromata of Eupenicillium shearii," Tetrahedron Letters 1998, 39, 5497.

Krasnoff, S.B.; Gibson, D.M.; Belofsky, G.N.; Gloer, K.B.; Gloer, J.B., "New Destruxins from the Entomopathogenic Fungus Aschersonia sp.," Journal of Natural Products 1996, 59, 485.

Belofsky, G.N.; Gloer, J.B.; Wicklow, D.T.; Dowd, P.F., "Antiinsectan Alkaloids: Shearinines A-C and a New Paxilline Derivative from the Ascostromata of Eupenicillium shearii," Tetrahedron 1995, 51, 3959.

Matson, J.A.; Colson, K.L.; Belofsky, G.N.; Blieberg, B.B., "Sandramycin, A Novel Antitumor Antibiotic Produced by a Nocardioides sp. II. Structure Determination," Journal of Antibiotics 1993, 46, 162.

Stermitz, F.R.; Belofsky, G.N.; Ng, D.; Singer, M.C., "Quinolizidine Alkaloids Obtained by Pedicularis semibarbata (Schrophulariaceae) from Lupinus fulcratus (Leguminosae) Fail to Influence the Specialist Herbivore Euphydryas editha (Lepidoptera)," Journal of Chemical Ecology 1989, 15, 2521.

Belofsky, G.N.; Bowers, M.D.; Janzen, S.; Stermitz, F.R., "Iridoid Glycosides of Aureolaria flava (Schrophulariaceae) and their Sequestration by Euphydryas phaeton (Nymphalideae) Butterflies," Phytochemistry 1989, 28, 1601.

Belofsky, G.N.; Stermitz, F.R., "10-trans-Cinnamoylmelittoside and other Iridoids from Castilleja wightii," Journal of Natural Products 1988, 51, 614.

Research Students Mentored

Eric Inions (2009-2010)        

Marshall Crabtree (2009-2010)           

John Schrieber      (2009-2011)           

Victoria Eisenberg (2009-2011)           

Justin Sichula       (2009-2012)           

Daniel Orozco      (2012)                   

Aaron John           (2009-2012)           

Megan Curry        (2010-2012)           

Fernando Galvan   (2010-2012)           

Logan Bell            (2011-2012)           

Mario Aronica      (2011-2014)           

Miranda Best        (2011)                   

PoKeang Kouch    (2012-2017)           

Eric Winterstein    (2012-2015)           

William Ray         (2012-2015)                                       

Evan Sainsbury     (2012-2016)           

Mack Brown         (2014-2016)           

Haley Wolhart      (2014-2017)           

Nick Hansen         (2014 – 2017)        

Amanda Cribbs     (2016)                   

Katherine Nash (2015 – 2017)

Trevor Schultz (2016 – 2018)

Josh Craig        (2016 – 2018)

Nic Ragland     (2016 – 2018)

Brendan Wasmund       (2018 – 2019)

Nick Hansen (MS)        (2017 – 2019)

Lilly Ahn         (2018 – 2020)

Chase O’Brien (2019 – 2021)

Alex Parkhurst (2019 2020)

Darius Cook     (2019)

Pascual Garcia (2020 – 2021)

Caroline Cruz   (2020 – 2021)

Rafael Cordova-Gamez (2018 – 2023)

Dominique Wilcox       (2021 – 2023)

Maxwell Zapata (2021 – 2023)

Katherine Mantilla        (2022 – 2023)

Jack D’Amelio (2022 – 2023)

Trevor Ridley   (2022 – present)

Ericka Dubore (2022 – present)

Ryan Galperin  (2022-present