Faculty Listing

Dr. Jeff Leblond

Professor

Dr. Jeff Leblond
615-898-5205
Room 2051, Science Building (SCI)
MTSU Box 60, Murfreesboro, TN 37132

Degree Information

  • Ph.D., University of Tennessee, Knoxville (1997)
  • B.S., University of Massachusetts, Amherst (1993)

Areas of Expertise

Lipid biochemistry of algae, particularly marine dinoflagellates

Biography

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: $156,00...

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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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Publications

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...

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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: DOI 10.1007/s10811-014-0464-6.
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 Studies. 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 Studies 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. 164:183-94.
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
naphthalenes. Environ. Toxicol. Chem. 19:1235-46.
*Work carried out as a postdoc.
**Deceased in March 2013.
***Deceased in September 2013.

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