Postdoctoral Fellow, United States Dept. of Agriculture, Parlier, CA
PhD, Plant & Soil Science, University of Massachusetts Amherst, 2008
MSc, Agronomy, G.B.P.U.A. & T. Pantnagar, India
Research: The broad research interest of the lab is in plant ecophysiology with primary aim of understanding the role of various plant metabolites in facilitating biogeochemical processes and organismal interactions at the plant-soil interface.
Plant Ecophysiology Lab: Scroll to bottom of page for clickable link
Director, Multi-User Analytical Laboratory: Develop and optimize various chromatographic and mass-spectrometric techniques for the analysis of samples from various research projects across the university, and to train graduate and undergraduate students in the use and operation of various analytical instruments.
Multi-User Analytical Lab: Scroll to bottom of page for clickable link
Complete publication list at 'ORCiD' (link at the bottom of this page)
Suseela V, Alpert P, Nakatsu H C, Tamura M, Amstrong A and Tharayil N. 2015. Plant-soil feedback shapes the identity and persistence of soil organic carbon in invaded ecosystems: implication for legacy effect. Functional Ecology.(In press)
Maroli A., Nandula V., Dayan F., Duke S., Gerard P., Tharayil N. 2015. Metabolic profiling and enzyme analyses indicate a potential role of antioxidant systems in complementing glyphosate resistance in an Amaranthus palmeri biotype. Journal of Agricultural & Food Chemistry (DOI: 10.1021/acs.jafc.5b04223)
Suseela V., Tharayil N., B. Xing, and J. S. Dukes. 2015. Warming and drought differentially influence the resorption of elemental and metabolic nitrogen pools in Quercus rubra. Global Change Biology (DOI: 10.1111/gcb.13033)
Wang J., Tharayil N., Chow A.T.,Suseela V., Zeng H. 2015. Phenolic profile within the fine root branching orders of an evergreen species highlights a disconnect in root tissue quality predicted by elemental- and molecular-level carbon composition. New Phytologist 206: 1261–1273.
HIGHLIGHTED as New Phytologist Editors’ Choice by Dr. Richard Norby; https://www.newphytologist.org/news/view/87
Freese D; Tharayil N.; Preston C.; Gerard P.2015. Catalytic kinetics and activation energy of soil peroxidases across ecosystems of differing lignin chemistries. Biogeochemistry. 124: 113-129.
Cross R. B., McCarty B. L., Tharayil N., McElroy S.J., Chen S., McCullough P.E., Powell B.A., and Bridges W.C. 2015. A Pro106 to Ala Substitution is Associated with Resistance to Glyphosate in Annual Bluegrass (Poa annua). Weed Science. 63: 613-622
Cross R. B., McCarty B. L., McElroy S.J., Tharayil N., and Bridges W.C. 2015. Comparison of Enzyme and Growth Characteristics in ALS-Inhibitor Susceptible and Resistant Annual Bluegrass (Poa annua) Biotypes. Weed Science. 63: 220-228
Tamura, M. Tharayil, N. 2014. Plant litter chemistry and microbial priming regulate the accrual, composition and stability of soil carbon in invaded ecosystems. New Phytologist. 203(1):110-24.
ASSOCIATED COMMENTARY by Dr. Mathew E. Dornbush- http://onlinelibrary.wiley.com/doi/10.1111/nph.12837/full
Suseela V., Tharayil N., B. Xing, and J. S. Dukes. 2014. Warming alters potential enzyme activity but precipitation regulates chemical transformations in grass litter exposed to simulated climatic changes. Soil Biology & Biochemistry. 75. 102-112
Suseela, V., Tharayil, N., Xing, B., Dukes, J. S. 2013. Labile compounds in plant litter reduce the sensitivity of decomposition to warming and altered precipitation. New Phytologist. 200: 122-133
Tharayil, N., Alpert, P, Bhowmik, P.C., Gerard, P. 2013. Phenolic inputs by invasive species could impart seasonal variations in nitrogen pools in the introduced soils: a case study with Polygonum cuspidatum. Soil Biology & Biochemistry. 57: 858–867
Triebwasser, D; Tharayil, N.; Preston, C. Gerard, P. 2012. The susceptibility of soil enzymes to inhibition by leaf litter tannins is dependent on the tannin chemistry, enzyme class and vegetation history. New Phytologist. 196: 1122-1132.
Tharayil, N.; Suseela, V.; Triebwasser, D. J.; Preston, C.M.; Gerard, P.; Dukes, J. 2011. Changes in the structural composition and reactivity of Acer rubrum leaf litter tannins exposed to warming and altered precipitation: climatic-stress-induced tannins are more reactive. New Phytologist. 191: 132-145.
PLPA 8090 - Analytical Techniques (alternate Spring)
BOT 8240 - Plant Growth Regulators (alternate Spring)
CSENV 4090/6090 - Biology of Invasive Plants (Fall)
BIOSC 4940 - Creative Inquiry: Linking Plant Invasion to Climate Change