Biological Sciences

Fred J. Alsop

Karl H.Joplin

Istvan Karsai

 

Foster Levy

Areas of Expertise: Southeastern Flora, Plant Disease Epidemiology, Biosystematics

Contact Info: levyf@etsu.edu

 

Publications:

• Levy, F., B.G. Cole, B.A. McCullough, and E.S. Walker.  Exceptional floristic diversity in the vascular flora of the Holston Army Ammunition Plant, Hawkins County, Tennessee. (Castanea, accepted).
• McCullough, B.A. and F. Levy.  2023.  The flora and wildland–urban interface of Doe Mountain Recreation Area: Adjuncts to conservation.  Castanea 88:109–35.
• Taylor-Bennetts,S.I. and F. Levy.  2022.  Factors associated with the transition to weediness in the granite outcrop endemic, Phacelia dubia var. georgiana (Hydrophyllaceae) and dating the time of the transition.  Rhodora 124:287–300.
• F. Levy and C.M. Taylor.  2022. Robert Lynch Wilbur: Botanist, mentor, family man.  Rhodora 124:115–134.
• Levy, F.  2021.  Vascular flora and biogeographic affinity of the Sevier shale knobs of northeastern Tennessee.  Castanea 86:125–142.
• Levy, F.  2021.  Evaluation of the taxonomy of Phacelia purshii (Hydrophyllaceae).  Journal of the Torrey Botanical Society 148:1–16.
• Levy, F., H. Hou, and S.I. Taylor-Bennetts. 2021. A new variety of Phacelia dubia (Hydrophyllaceae) and a summary of  variation and biogeography of the P. dubia complex.  Journal of the Torrey Botanical Society 148:266–284.
• Levy, F.  2020.  Morphology and distribution of Heterotheca camporum var. glandulissima and its occurrence on shale substrates in northeastern Tennessee.  Phytoneuron 89:1–11.
• Ingram, R.J. and F. Levy.  2020.  Identity and symptomatology of a newly described lily leaf spot disease (Pseudocercosporella inconspicua) of Gray’s Lily (Lilium grayi).  Canadian Journal of Plant Pathol. 42:499–507  DOI: 10.1080/07060661.2019.1690049
• Levy, F., and J.T. Donaldson.  2018.  Morphology, geographic distribution, and conservation of the Southern Appalachian endemic, Solidago lancifolia (Torrey & A. Gray) Chapman (Asteraceae).  Journal of the Torrey Botanical Society 145:281–295.
• Levy, F., and J.T. Donaldson.  2018.  Additions to the vascular flora of the Rocky Fork Tract, Tennessee, USA.  Journal of the Botanical Research Institute of Texas 12:373–375.
• Ingram, R.J., J.T. Donaldson, and F. Levy.  2018.  Impacts, prevalence, and spatio-temporal patterns of lily leaf spot disease on Lilium grayi (Liliaceae), Gray’s lily.  Journal of the Torrey Botanical Society 145:296–310.
• Ingram, R.J., Levy, F., Barrett, C.L., and J.T. Donaldson.  2017.  Mining herbaria for the historic prevalence of lily leaf spot disease (Pseudocercosporella inconspicua) on Gray’s Lily (Lilium grayi) and Canada Lily (L. canadense).  Rhodora 119:163–173.

 

Tim McDowell

 

Cecilia A. Mclntosh

Areas of expertise: Flavonoid and plant secondary metabolism, citrus bitterness, glucosyltransferase characterization, site-directed mutagenesis, synthetic biology, and protein modeling. 

Contact Info: mcintosc@etsu.edu

 

Publications:

• Birchfield, A.S. and C.A. McIntosh.  2024. Expression and Purification of Cp3GT: Structural Analysis and Modeling of a Key Plant Flavonol-3-O Glucosyltransferase from Citrus paradisi. Bio Tech 2024, 13(1), 4. https://doi.org/10.3390/biotech13010004 
• 
  Birchfield, A.S. and C.A. McIntosh. 2020. The Effect of Recombinant Tags on Citrus paradisi Flavonol-Specific 3-O Glucosyltransferase Activity.  Plants 9:402| https://pubmed.ncbi.nlm.nih.gov/32213838/ 
• 
  McIntosh, C.A. and A.S. Birchfield. 2020. Metabolic engineering and synthetic biology of plant natural products – A minireview. Current Plant Biology 24:100163 | https://www.sciencedirect.com/science/article/pii/S221466282030044X 

 

Hugh A. Miller

Diane R. Nelson

Rebecca Pyles

Leonard Robertson