Appointments
Middle Tennessee State University Dept. of Biology Professor 2010-present
Middle Tennessee State University Dept. of Biology Assoc. Prof. 2005-2010
Middle Tennessee State University Dept. of Biology Assist. Prof. 2000-2005
Univ. of Tennessee, Knoxville Dept. of Microbiol. Res. Asst. 1994-1997
Univ. of Tennessee, Knoxville Dept. of Microbiol. Teach. Asst. 1993-1994

NSF Proposal #: 0816787 Sole PI: Jeffrey D. Leblond Amount funded: $156,000 Funding period: 9/2008 – 8/2011 Title: Sterol Biosynthesis in the Harmful Marine Dinoflagellate, Karenia brevis.   

USDA Proposal #: 2017-67031-25635 PI: Mary Farone Co-PI: Jeffrey D. Leblond Amount funded: $99,879 Funding period: 11/15/2016-11/14/2017

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59. Leblond, J.D., Sabir, K., Ayoub, D., McKinnon, M.B., Busari, T.J. & Hollingsworth, B.E. Sterols of the aberrant plastid, Kareniacean dinoflagellate Asterodinium gracile: chemotaxonomic overlap with amphisterol-producing Amphidinium carterae. Phyc. Res. 72:153-158.

58. Graeff, J.E. & Leblond, J.D. 2023. Galactolipid and betaine lipid composition of the symbiotic dinoflagellate Zooxanthella (Brandtodinium) nutricula: a glimpse into polyunsaturated fatty acids available to its polycystine radiolarian host. Phycol. Res. 71:175-181.

57. Leblond, J.D., Hollingsworth, B.E., Ayoub, D., McKinnon, M.B., Myers, C.S., Busari, T.J. & Sabir, K. 2023. Galactolipid composition of the dinoflagellate Asterodinium gracile (Kareniaceae): presence of hexadecatetraenoic acid [16:4(n-3)]-containing monogalactosyldiacylglycerol as the predominant galactolipid and chemotaxonomic closeness to Karenia mikimotoi as the only other known Kareniacean producer of this particular fatty acid. Phycol. Res. 71:135-139.

56. Leblond, J.D., Sabir, K. & Whittemore, H.L. 2023. Sterol composition of the peridinin- containing dinoflagellate Gertia stigmatica, a member of the Kareniaceae without a canonical haptophyte-derived plastid. Protist. 174:125939.

55. Leblond, J.D., Elkins, L.C. & Sabir, K. 2023. Sterols of Amphidinium species in the Operculatum Clade: Predominance of cholesterol instead of Δ8(14) sterols previously considered to be Amphidinium-specific biomarkers. J. Euk. Microbiol. 70:e12942.

54. Leblond, J.D., Lowrie, S.D. & Myers, C.S. 2023. Sterols of morphologically distinct, okadaic acid-producing Prorocentrum texanum var. texanum and var. cuspidatum isolated from the Gulf of Mexico. J. Euk. Microbiol. 70:e12937.

53. Leblond, J.D., Elkins, L.C., Sabir, K. & Graeff, J.E. 2023. Sterols of Testudodinium testudo (formerly Amphidinium testudo): Production of the Δ8(14) sterol gymnodinosterol and chemotaxonomic relationship to the Kareniaceae. J. Euk. Microbiol. 70:e12929.

52. Leblond, J.D., Elkins, L.C., Graeff, J.E. & Sabir, K. 2023. Galactolipids of the genus Amphidinium (Dinophyceae): a hypothesis that they are basal to those of other peridinin-containing dinoflagellates. Eur. J. Phycol. 58:190-198.

51. Leblond, J.D., Sabir, K. & Graeff, J.E. 2022. Galactolipid composition of Gertia stigmatica (Dinophyceae), an atypical member of the Kareniaceae with a peridinin-containing, non- haptophyte-derived plastid. Phycol. Res. 70:137-141.

50. Leblond, J.D. & Vandergrift, S.L. 2022. Sterols of the “dinotom” Durinskia baltica (Dinophyceae) are of dinoflagellate origin. Phycol. Res. 70:35-41.

49. Vandergrift, S.L., Elkins, L.C., Alves-de-Souza, C. & Leblond, J.D. 2021. First examination of sterols in the marine dinoflagellate genus Vulcanodinium. J. Euk. Microbiol. 68:e12863.

48. Graeff, J.E. & Leblond, J.D. 2021. Sterol composition of the peridinioid dinoflagellate Zooxanthella nutricula, a symbiont of polycystine radiolarians: Implications for symbiont-derived radiolarian sterols and a comparison to sterols of other Dinophyceae, with particular emphasis on the Suessialean symbionts of cnidaria and foraminifera. Protist. 172:125817.

47. Graeff, J.E., Elkins, L.C. & Leblond, J.D. 2021. Plastid-associated galactolipid composition in eyespot-containing dinoflagellates: a review. Algae. 36:73-90.

46. Houle, H.M., Lopez, C.B. & Leblond, J.D. 2019. Sterols of the toxic marine dinoflagellate, Pyrodinium bahamense. J. Euk. Microbiol. 66:528-532.

45. Leblond, J.D., McDaniel, S.L., Lowrie, S.D., Khadka, M. & Dahmen, J.L. 2019. Mono- and digalactosyldiacylglycerol composition of dinoflagellates. VIII. Temperature effects and a perspective on the curious case of Karenia mikimotoi as a producer of the unusual, “green algal” fatty acid hexadecatetraenoic acid [16:4(n-3)]. Eur. J. Phycol. 54:78-90.

44. Carter, J.D. & Leblond, J.D. 2018. Red (hot) algae: temperature induced modulation of fatty acid regiochemistry of mono- and digalactosyldiacylglycerol of Polysiphonia sp. and Porphyridium sp. as observed by electrospray ionization/mass spectrometry. Eur. J. Phycol. 53:460-470.

43. Klinger, C.M., Paoli, L., Newby, R., Wang, M.Y.-W., Carroll, H.D., Leblond, J.D., Howe, C.J., Dacks, J.B., Cahoon, B., Dorrell, R.G. & Richardson, E. 2018. Plastid transcript editing across dinoflagellate lineages shows lineage-specific application but conserved trends. Gen. Biol. Evol. 10:1019-1038.

42. Dahmen, A.S., Houle, H.M. & Leblond, J.D. 2017. Free sterols of the historically important green algal genera, Acetabularia and Acicularia (Polyphysaceae): A modern interpretation. Algological Stud. 153:59-70.

41. Leblond, J.D. & Dahmen, J.L. 2016. Recent advances and technologies in algal lipid biology. Front. Plant Sci. doi: 10.3389/fpls.2016.01444.

40. Craig, E.M., Dahmen, J.L. & Leblond, J.D. 2015. Temperature modulation and the presence of C20 fatty acids in mono- and digalactosyldiacylglycerol of Euglena gracilis and Lepocinclis acus: A modern interpretation of euglenid galactolipids using positive-ion electrospray ionization/mass spectrometry. Phycol. Res. 63:231-238.

39. Leblond, J.D., Duong, L., Khadka, M. & Dahmen, J.L. 2015. Squishy lipids: temperature effects on the betaine and galactolipid profiles of a C18/C18 peridinin-containing dinoflagellate, Symbiodinium microadriaticum (Dinophyceae), isolated from the mangrove jellyfish, Cassiopea xamachana. Phyc. Res. 63:219-230.

38. Khadka, M., Salem, M. & Leblond, J.D. 2015. Sterol composition and biosynthetic genes of Vitrella brassicaformis, a recently discovered chromerid: comparison to Chromera velia and phylogenetic relationship to apicomplexan parasites. J. Euk. Microbiol. 62:786- 798.

37. Dodson, V.J. & Leblond, J.D. 2014. Now you see it, now you don't: Differences in hydrocarbon production in the diatom Phaeodactylum tricornutum due to growth temperature. J. Appl. Phycol. 26:1463-1472.

36. Khadka, M., Dahmen, J.L., Salem, M. & Leblond, J.D. 2014. Comparative study of galactolipid composition and biosynthetic genes for galactolipid synthases in Vitrella brassicaformis and Chromera velia, two recently identified chromerids with red algal- derived plastids. Algological Stud. 144:73-93.

35. Dodson, V.J., Mouget, J.-L., Dahmen, J.L. & Leblond, J.D. 2014. The long and short of it: Temperature-dependent modifications of fatty acid chain length and unsaturation in the galactolipid profiles of the diatoms Haslea ostrearia and Phaeodactylum tricornutum. Hydrobiologia. 727:95-107.

34. Leblond, J.D., Dodson, V.J. & Dahmen, J.L. 2013. Mono- and digalactosyldiacylglycerol composition of dinoflagellates. VII.  Evidence against galactolipid production and plastid presence in the heterotrophic, basal dinoflagellate, Oxyrrhis marina. Eur. J. Phycol. 48:309-317.

33. Leblond, J.D., Dahmen, A.S., Dodson, V.J. & Dahmen, J.L. 2013. 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 Stud. 142:17-28.

32. Dodson, V.J., Dahmen, J.L., Mouget, J.-L. & Leblond, J.D. 2013. Mono- and  digalactosyldiacylglycerol composition of the marennine-producing diatom, Haslea  ostrearia: comparison to a selection of pennate and centric diatoms. Phyc. Res. 61:199- 207.

31. Leblond, J.D., Dahmen, A.S., Lebret, K. & Rengefors, K. 2013. Sterols of the green- pigmented, freshwater raphidophyte, Gonyostomum semen (Raphidophycea), from Scandinavian lakes. J. Euk. Microbiol. 60:399-405.

30. Dahmen, J.L., Khadka, M., Dodson, J. & Leblond, J.D. 2013. 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. 48:268-277.

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 164:183-194.

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. 229-231.

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. 47:490-497.

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. 59:129-134.

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. 47:106-111.

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. 58:222-229.

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. 4:431-451.

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. 45:13-18.

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- 445.

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. 44:191-197.

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 48:101-104.

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. 90-97.

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- 311.

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. 53:211-216.

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 5:272-280.

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. 41:311-321.

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. 414-416.

6. Leblond, J.D. & Chapman**, P.J. 2004. Sterols of the heterotrophic dinoflagellate, Pfiesteria piscicida (Dinophyceae): is there a lipid biomarker? J. Phycol. 40:104-111.

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 42:324-331.

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. 38:670-682.

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. 36:1103-1108.

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 naphthalenes. Environ. Toxicol. Chem.  19:1235-1246.

*Work carried out as a postdoc. **Deceased in March 2013. ***Deceased in September 2013. Student authors in bold.

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