Syed_Tariq Ahmad

Associate Professor of Biology

Office: Olin Science Center 342 [ campus map ]
Box 5722

Phone: 207-859-5722
Fax: 207-859-5705
Mailing Address:
5722 Mayflower Hill
Waterville, Maine 04901-8857


- Postdoctoral Fellow, Gladstone Institutes, University of California San Francisco
- PhD., Cellular and Physiological Dynamics, University of Notre Dame
- MSc., Medical Biotechnology, PGIMER, Chandigarh, India
- BSc. (Honors), Biochemistry, AMU, Aligarh, India

Areas of Expertise

  • Neurodegenerative Disorders
  • Circadian Rhythm
  • Autophagy
  • Sensory System - Vision
  • Molecular and Cellular Neuroscience
  • Drosophila Genetics

Other Courses Taught

CourseCourse Title
BI163Cellular Basis of Life


- Lee D^, Zheng X^, Shigemori K^, Krasniak C^, Liu JB^, Tang C^, Kavaler J, and Ahmad ST (2019) Expression of mutant CHMP2B linked to neurodegeneration in humans disrupts circadian rhythms in Drosophila. FASEB BioAdvances 1:511-520
- Kohiyama M^, Bonser D^, Leung L^, Fall A^, Canada N^, Qu B^, Ahmad ST, and Possidente B (2019) The Drosophila apterous56f mutation impairs circadian locomotor activity. Biological Rhythm Research 50(3):375-388
- Vandal S^, Zheng X^, and Ahmad ST (2018) Drosophila models of frontotemporal dementia associated with defects in endosomal-lysosomal pathway. International Journal of Molecular Sciences Jun 9;19(6). pii: E1714
- Liao J^, Seggio JA, and Ahmad ST (2016) Mutations in the circadian gene period alter behavioral and biochemical responses to ethanol in Drosophila. Behavioural Brain Research 302:213-19. ^ Undergraduate student
- Krasniak C^ and Ahmad ST (2016) Role of CHMP2B-Intron5 in autophagy and Frontotemporal Dementia. Brain Research 1649(Pt B):151-7. ^ Undergraduate student
- Liao J^, Morin LW^, and Ahmad ST (2014) Methods to characterize spontaneous and startle-induced locomotion in a rotenone-induced Parkinson's disease model of Drosophila. Journal of Visualized Experiments 90: e51625. ^ Undergraduate student
- Cheruiyot A^, Lee J-A, Gao FB, and Ahmad ST (2014) Expression of mutant CHMP2B, an ESCRT-III component involved in frontotemporal dementia, causes eye deformities due to Notch misregulation in Drosophila. FASEB Journal 28(2): 667-75 ^ Undergraduate student
- Ban B-K, Jun M-H, Ryu H-H, Jang D-K, Ahmad ST, and Lee J-A (2013) Autophagy negatively regulates early axon growth in cortical neurons. Molecular and Cellular Biology 33(19): 3907-19
- Ahmad ST and Lee J-A (2013) Molecular mechanisms underlying the role of autophagy in neurodegenerative diseases. Autophagy: Cancer, Other pathologies, Inflammation, Immunity, Infection, and Aging. Vol 1: Molecular mechanisms. Elsevier. Ed: Hayat MA
- St. Laurent RM^, O'Brien L, and Ahmad ST (2013) Sodium butyrate improves locomotor impairment and early mortality in a Drosophila model of Parkinson's disease. Neuroscience 246: 382-90 ^ Undergraduate student
- Ahmad ST, Steinmetz SB^, Bussey HM^, Possidente B, and Seggio JA (2013) Larval ethanol exposure alters free-running circadian rhythm and per locus transcription in adult Drosophila melanogaster period mutants. Behavioural Brain Research 241: 50-5 ^ Undergraduate student
- Seggio JA*, Possidente B*, and Ahmad ST* (2012) Larval ethanol exposure alters adult circadian free-running locomotor activity rhythm in Drosophila melanogaster. Chronobiology International 29 (1): 75-81 * Equal contribution
- Danner GR, Muto KW^, Zeiba A^, Stillman CS^, Seggio JA, and Ahmad ST (2011) Spearmint oil (Carvone) and wintergreen oil (methyl salicylate) emulsion is an effective anesthetic of fishes. Journal of Fish and Wildlife Management 2(2): 146-55 ^ Undergraduate student
- Ahmad ST, Sweeney ST, Lee JA, Sweeney NT, and Gao FB (2009) Genetic screen identifies serpin5 as a regulator of the Toll pathway and CHMP2B toxicity associated with frontotemporal dementia. Proc Natl Acad Sci USA 106(29): 12168-73
- Lee JA, Beigneux A*, Ahmad ST*, Young SG, and Gao FB (2007) ESCRT-III dysfunction causes autophagosome accumulation and neurodegeneration. Current Biology 17(18): 1561-7 * equal contribution
- Ahmad ST, Natochin M, Artemyev NO, and O'Tousa JE (2007) The role of Rh1 rhodopsin domains in maintenance of Drosophila photoreceptor cell structure. FASEB Journal 21(2): 449-55
- Natochin M, Barren B, Ahmad ST, O'Tousa JE, and Artemyev NO (2006) Probing rhodopsin-transducin interaction using Drosophila Rh1-bovine rhodopsin chimeras. Vision Research 46(27): 4575-81
- Ahmad ST, Natochin M, Barren B, Artemyev NO, and O'Tousa JE (2006) Heterologous expression of bovine rhodopsin in Drosophila photoreceptor cells. Investigative Ophthalmology and Visual Science 47(9): 3722-28
- Ahmad ST, Joyce MV, Boggess B, and O'Tousa JE (2006) The role of Drosophila NinaG oxidoreductase in visual pigment chromophore biogenesis. Journal of Biological Chemistry 281(14): 9205-09
- Sarfare S, Ahmad ST, Joyce MV, Boggess B, and O'Tousa JE (2005) The Drosophila NinaG oxidoreductase acts in visual pigment chromophore production. Journal of Biological Chemistry 280(12): 11895-901


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