Department of Biology

Dr. Jeff LeblondLEBLOND
Professor

CONTACT:
E-mail: Jeff.Leblond@mtsu.edu
Phone: (615) 898-5205
Fax: (615) 898-5093
Office Location: SCI 2051
MTSU Box 60
Murfreesboro, TN 37132

EDUCATION:
B.S. in Environmental Science, University of Massachusetts at Amherst, 1993
Ph.D. in Microbiology, University of Tennessee, Knoxville, 1997
Postdoctoral research in Algal Biochemistry at United States Environmental Protection Agency, Gulf Breeze, FL 1998-2000

RESEARCH INTERESTS:
Lipid biochemistry of algae, particularly marine dinoflagellates

PUBLICATION RECORD:

34. Leblond, J.D., Dahmen, A.S., Dodson, V.J. & Dahmen, J.L. Characterization of the betaine lipids, diacylglyceryl-N,N,N- trimethylhomoserine (DGTS) and diaclyglycerylhydroxymethyl-N,N,N-trimethyl-β-alanine (DGTA), in brown- and green-pigmented raphidophytes. Algological Studies. In press.

33. Dodson, V.J., Dahmen, J.L., Mouget, J.-L. & Leblond, J.D. Mono- and digalactosyldiacylglycerol composition of the marennine-producing diatom, Haslea ostrearia: comparison to a selection of pennate and centric diatoms. Phyc. Res. In press.

32. Leblond, J.D., Dahmen, A.S., Lebret, K. & Rengefors, K. Sterols of the green-pigmented, freshwater raphidophyte, Gonyostomum semen (Raphidophycea), from Scandinavian lakes. Submitted to J. Euk. Microbiol. In press.

31. Leblond, J.D., Dodson, J. & Dahmen, J.L. Mono- and digalactosyldiacylglycerol composition of dinoflagellates. VII. Evidence against galactolipid production and plastid presence in the heterotrophic, basal dinoflagellate, Oxyrrhis marina. Eur. J. Phycol. In press.

30. Dahmen, J.L., Khadka, M., Dodson, J. & Leblond, J.D. Mono- and digalactosyldiacylglycerol composition of dinoflagellates. VI. Biochemical and genomic comparison of galactolipid biosynthesis between Chromera velia (Chromerida), a photosynthetic alveolate with a red algal plastid ancestry, to the dinoflagellate, Lingulodinium polyedrum. Eur. J. Phycol. In press.

29. Dahmen, J.L. & Leblond, J.D. 2013. Structural analysis and cellular localization of polyunsaturated C27 hydrocarbons in the marine dinoflagellate, Pyrocystis lunula(Dinophyceae). Protist. 164:183-94.

28. Leblond, J.D., Porter, N.M., Roche, S.A. & Dunlap, N.K. 2012. Production of stigmasterol by the harmful marine dinoflagellate, Karenia brevis. In Pagou, P. & Hallegraeff, G. [Eds.] Proceedings of the 14th Annual International Conference on Harmful Algae. pp. 229-31.

27. Leblond, J.D. & Dahmen, J.L. 2012. Mono- and digalactosyldiacylglycerol composition of dinoflagellates. V. Galactolipid profile of Alexandrium tamarense (Dinophyceae) during the course of an infection by the parasitic dinoflagellate, Amoebophrya sp. Eur. J. Phycol. 47:490-7.

26. Leblond, J.D., Dodson, J., Khadka, M., Holder, S. Seipelt, R.S. 2012. Sterol composition and biosynthetic genes of the recently discovered photosynthetic alveolate, Chromera velia (Chromerida), a close relative of apicomplexans. J. Euk. Microbiol. 59:191-197.

25. Leblond, J.D. & Lasiter, A.D. 2012. Sterols of the green-pigmented, aberrant plastid dinoflagellate, Lepidodinium chlorophorum (Dinophyceae). Protist 163:38-46.

24. Dahmen, J.L. & Leblond, J.D. 2011. Free sterol composition of species in the dinoflagellate genus, Pyrocystis: a spectrum of sterol diversity. J. Euk. Microbiol. 58:475-9.

23. Leblond, J.D., Timofte, H.I., Roche, S.A. & Porter, N.M. 2011. Sterols of glaucocystophytes. Phycological Res. 59:129-34.

22. Roche, S.A. & Leblond, J.D. 2011. Mono- and digalactosyldiacylglycerol composition of raphidophytes (Raphidophyceae): a modern interpretation using positive-ion electrospray/mass spectrometry/mass spectrometry. J. Phycol. 47:106-11.

21. Leblond, J.D., Roche, S.A., Porter, N.M., Howard, J.C, & Dunlap, N.K. 2011. Sterol biosynthesis in the harmful marine dinoflagellate, Karenia brevis:identification of biosynthetic intermediates produced during exposure to the fungicide fenpropidine. Phycological Res. 59:54-63.

20. Roche, S.A. & Leblond, J.D. 2010. Betaine lipids in chlorarachniophytes. Phycological Res. 58:298-305.

19. Leblond, J.D., Timofte, H.I., Roche, S.A., & Porter, N.M. 2010. Mono- and digalactosyldiacylglycerol composition of glaucocystophytes (Glaucophyta): a modern interpretation using positive-ion electrospray/mass spectrometry/mass spectrometry. Phycological Res. 58:222-9.

18. Leblond, J.D., Lasiter, A.D., Li, C., Logares, R., Rengefors, K., & Evens, T.J. 2010. A data mining approach to dinoflagellate clustering according to sterol composition: correlations with evolutionary history. Int. J. Data Mining and Bioinformatics. 4:431-51.

17. Leblond, J.D., Dahmen, J.L., & Evens, T.J. 2010. Mono- and digalactosyldiacylglycerol composition of dinoflagellates. IV. Temperature-induced modulation of fatty acid regiochemistry as observed by electrospray ionization/mass spectrometry. Eur. J. Phycol. 45:13-8.

16. Gray, C.G., Lasiter, A.D., & Leblond, J.D. 2009. Mono- and digalactosyldiacylglycerol composition of dinoflagellates. III. Four cold-adapted, peridinin-containing taxa and the presence of trigalactosyldiacylglycerol as an additional glycolipid. Eur. J. Phycol. 44:439-45.

15. Leblond, J.D. & Lasiter, A.D. 2009. Mono- and digalactosyldiacylglycerol composition of dinoflagellates. II. Lepidodinium chlorophorum, Karenia brevis, and Kryptoperidinium foliaceum, three dinoflagellates with aberrant plastids. Eur. J. Phycol. 44:199-205.

14. Gray, C.G., Lasiter, A.D., Li C., & Leblond, J.D. 2009. Mono- and digalactosyldiacylglycerol composition of dinoflagellates. I. Peridinin-containing taxa. Eur. J. Phycol. 44:191-7.

13. Leblond, J.D. & Roche, S.A. 2009. Mono- and digalactosyldiacylglycerol composition of chlorarachniophytes (Chlorarachniophyceae): production of a novel lauric acid (12:0)-containing form of monogalactosyldiacylglycerol (MGDG). Phycologia 48:101-4.

12. Leblond, J.D., Lasiter, A.D., Li, C., Logares, R., Rengefors, K., & Evens, T.J. 2008. Applying clustering and phylogeny analysis to study dinoflagellates based on sterol composition. In Chen, X.W., Hu, X.H., & Kim, S. [Eds.] Proceedings of IEEE International Conference on Bioinformatics and Biomedicine. pp. 90-7.

11. Leblond, J.D., Anderson, B., Kofink, D., Logares, R., Rengefors, K. & Kremp, A. 2006. Fatty acid and sterol composition of two evolutionarily closely related dinoflagellate morphospecies from cold Scandinavian brackish and freshwaters. Eur. J. Phycol. 41:303-11.

10. Leblond, J.D., Sengco, M.R., Sickman, J. O., Dahmen, J.L. & Anderson, D.A. 2006. Sterols of the syndinian dinoflagellate, Amoebophrya sp., a parasite of the dinoflagellate Alexandrium tamarense (Dinophyceae). J. Eukaryotic Microbiol. 53:211-16.

9. Rogers, J.E., Leblond, J.D. & Moncrieff, C.A. 2006. Phylogenetic relationship of Alexandrium monilatum (Dinophyceae) to other Alexandrium species based on 18S ribosomal RNA gene sequences. Harmful Algae 5:272-80.

8. Leblond, J.D., Dahmen, J.L., Seipelt, R.L., Elrod-Erickson, M.J., Kincaid, R., Howard, J.C., Evens, T.J. & Chapman, P.J. 2005. Lipid composition of chlorarachniophytes (Chlorarachniophyceae) from the genera Bigelowiella, Gymnochlora, and Lotharella. J. Phycol. 41:311-21.

7. Evens, T.J. & Leblond, J.D. 2004. Photophysiology of the Florida red tide dinoflagellate, Karenia brevis: Modifications in thylakoid lipid composition in response to environmental conditions. In Steidinger, K.A., Landsberg, J.H., Tomas, C.R., & Vargo, G.H. [Eds.] Proceedings of Harmful Algae 2002. pp. 414-6.

6. Leblond, J.D. & Chapman, P.J. 2004. Sterols of the heterotrophic dinoflagellate, Pfiesteria piscicida (Dinophyceae): is there a lipid biomarker? J. Phycol. 40:104-11.

5. Leblond, J.D., Evens, T.J. & Chapman, P. J.2003. The biochemistry of dinoflagellate lipids, with particular reference to the fatty acid and sterol composition of a Karenia brevis bloom. Phycologia 42:324-31.

4. Leblond, J.D. & Chapman, P.J. 2002. A survey of the sterol composition of the marine dinoflagellates Karenia brevis, Karenia mikimotoi, and Karlodinium micrum: distribution of sterols within other members of the class Dinophyceae. J. Phycol. 38:670-82.

3. Leblond, J.D., Schultz, T.W. & Sayler, G.S. 2001. Observations on the preferential biodegradation of selected components of polyaromatic hydrocarbon mixtures. Chemosphere 42:333-43.

2. Leblond J.D. & Chapman P.J. 2000. Lipid class distribution of highly unsaturated long-chain fatty acids in marine dinoflagellates. J. Phycol. 36:1103-8.

1. Leblond J.D, Applegate B.M., Menn F.-M., Schultz T.W. & Sayler G.S. 2000. Structure-toxicity assessment of metabolites of the aerobic bacterial transformation of substituted aphthalenes. Environ. Toxicol. Chem. 19:1235-46.

GRADUATE PROGRAM ROLE:
Graduate student advisor.