Department Chair

  • Daniel Moriarty
    Associate Professor Chemistry
    Morrell Science Center 219
    (518) 783-2472
    dmoriarty@siena.edu

Dr. Stephen Deyrup

Email: sdeyrup@siena.edu

Educational Background

B.S. Chemistry, Biology, Biochemistry,2001, Stetson University, DeLand, Florida

Graduate Education

Ph.D., 2006, University of Iowa, Iowa City, Iowa

Courses Taught

  • Organic Chemistry I
    • Chem 210 and associated lab
  • Organic Chemistry II
    • Chem 220 and associated lab

Research Interests

 

  • Discovering New Antibiotics from Fungi
  • Investigating Insect Chemical Defenses
  • Using Biological Principles to Find New Chemistry
  • NMR Techniques

 

Recent Publications

 

1.     Deyrup, S. T.; Eckman, L. E.; McCarthy, P. H.; Smedley, S. R.; Meinwald, J.; Schroeder, F. C.  2D NMR-Spectroscopic Screening Reveals Polyketides in Ladybugs.  Proc. Nat. Acad. Sci. USA.  2011108, 9753-9758. 

2.     Schmidt, L. E.; Deyrup, S. T.; Baltrusaitis, J.; Swenson, D. C.; Wicklow, D. T.; Gloer, J. B.  Hymenopsins A and B and a Macrophorin Analogue from a Fungicolous Hymenopsis sp.  J. Nat. Prod.  201073, 404-408.

3.      Deyrup, S. T.; Gloer, J. B.; O’Donnell, K.; Wicklow, D. T.  Kolokosides A-D: Triterpenoid Glycosides from a Hawaiian Isolate of Xylaria sp.  J. Nat. Prod.2007, 70, 378-382.

4.     Deyrup, S. T.; Swenson, D. C.; Gloer, J. B.; Wicklow, D. T.  Caryophyllene Sesquiterpenoids from a Fungicolous Isolate of Pestalotiopsis disseminataJ. Nat. Prod. 200669, 608-611.

5.     Sobolev, V. S.; Horn, B. W.; Potter, T. L.; Deyrup, S. T.; Gloer, J. B.  Production of Stilbenoids and Phenolic Acids by the Peanut Plant at Early Stages of Growth.  J. Agric. Food Chem. 2006, 54, 3505-3511.

6.     Sobolev, V. S.; Deyrup, S. T.; Gloer, J. B.  New Peanut (Arachis hypogaea) Phytoalexin with Prenylated Benzenoid and But-2-enolide Moieties.  J. Agric. Food Chem. 200654, 2111-2115 

7.     Wicklow, D. T.; Roth, S.; Deyrup, S. T.; Gloer, J. B.  A Good Endophyte of Maize: Acremonium Zeae Antibiotics Inhibitory to Aspergillus Flavus andFusarium Verticillioides.  Mycol. Res2005109, 610–618.

8.     Deyrup, M. D.; Deyrup, S. T.  Notes on the Introduced Ant Quadristruma emmae (Hymenoptera: Formicidae) in Florida.  Entomological News 1999110, 13–21.

 

Recent Oral Presentations

 

1.   “Delphastus catalinae:  Tiny Beetles, Big Chemistry,” Stephen T. Deyrup, Laura E. Eckman, Patrick H. McCarthy, Scott R. Smedley, Jerrold Meinwald, Frank C. Schroeder.  50th Annual Meeting of the American Society of Pharmacognosy, Honolulu, HI, June 27-July 1, 2009.

2.   “Kolokosides A-D:  Four Triterpenoid Glycosides from a Hawaiian Wood-Decay Fungus,” Stephen T. Deyrup, Donald T. Wicklow, James B. Gloer. 47thAnnual Meeting of the American Society of Pharmacognosy, Washington, D.C., July 22-26, 2006.  

3.   “Venom Ontogeny in Dusky Pigmy Rattlesnakes (Sistrurus miliarius barbouri),” Stephen T. Deyrup, Daniel Niclas, Terence M. Farrell.  64th Annual Meeting of the Florida Academy of Sciences, Melbourne, Florida, March 9-11, 2000. 

 

Assistant Professor