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Samuel Hazen

Associate Professor

Research areas include systems level engineering of plant cell wall biosynthesis, Brachypodium - a new model system for biofuel genomics, and natural genetic variation in biomass yield and cell wall properties.

Learn more at www.bio.umass.edu/biology/hazen/

Academic Background

  • BS University of Arizona, 1994
  • MS Michigan State University, 1996
  • PhD Michigan State University, 2000
  • Postdoctoral training: DOE Plant Research Laboratory, East Lansing, 2000-2002; The Scripps Research Institute, San Diego, 2003-2008
McCahill IW, Hazen SP (2019) Regulation of cell wall thickening by a medley of mechanisms. Trends in Plant Science.
Olins JR*, Lin L*, Lee SJ, Trabucco GM, MacKinnon KJ-M, Hazen SP (2018) Secondary wall regulating NACs differentially bind at the promoter at a CELLULOSE SYNTHASE A4 cis-eQTL. Frontiers in Plant Science. 9:1895.
Handakumbura PP, Brow K, Whitney IP, Zhao K, Sanguinet KA, Lee SJ, Olins J, Romero-Gamboa SP, Harrington MJ, Bascom CJ, MacKinnon KJ-M, Veling MT, Liu L, Lee JE, Vogel JP, O’Malley RC, Bezanilla M, Bartley LE, Hazen SP (2018) SECONDARY WALL ASSOCIATED MYB1 is a positive regulator of secondary cell wall thickening in Brachypodium distachyon and is not found in the Brassicaceae. Plant Journal. 96:532-545.
Tyler L, Lee SJ, Young N, Delulio GA, Benavente E, Reagon M, Sysopha J, Baldini RM, Troia A, Hazen SP, Caicedo AL (2016) Population structure in the model grass Brachypodium distachyon is highly correlated with flowering differences across broad geographic areas. The Plant Genome. 9(2).
Coomey J, Hazen SP (2016) Brachypodium distachyon as a model species to understand grass cell walls. In Genetics and Genomics of Brachypodium (ed. JP Vogel), Springer, NY. pp 197-217
Taylor-Teeples M*, Lin L*, de Lucas M*, Turco G, Toal TW, Gaudinier A,Young NF, Trabucco GM, Veling MT, Lamothe R, Handakumbura PP, Xiong G, Corwin J, Tsoukalas N, Pauly M, Kliebenstein DJ, Tagkopoulos I, Breton G, Pruneda-Paz JL, Ahnert SE, Kay SA, Hazen SP†, Brady SM† (2015) An Arabidopsis gene regulatory network for xylem specification and secondary wall biosynthesis. Nature. 517: 571-575. Featured in Nature News & Views.
Matos DA, Cole B, Whitney IP, MacKinnon KJ-M, Kay SA, Hazen SP (2014) Daily changes in temperature, not the circadian clock, regulate growth rate in Brachypodium distachyon. PLoS ONE. 9: e100072.
Lee SJ, Warnick TA, Pattathil S, Alvelo-Maurosa JG, Serapiglia MJ, McCormick H, Brown V, Young NF, Schnell DJ, Smart LB, Hahn MG, Pedersen JF, Leschine SB, Hazen SP (2012) Biological conversion assay using Clostridium phytofermentans to estimate plant feedstock quality. Biotechnology for Biofuels. 5:5.
The International Brachypodium Initiative (2010) Genome sequencing and analysis of the model grass Brachypodium distachyon. Nature. 463:763-768.
Hazen SP, Naef F, Quisel T, Borevitz JO, Gendron JM, Kay SA (2009) Exploring the transcriptional landscape of plant circadian rhythms using genome tiling arrays. Genome Biology. 10:R17.
Hazen SP, Schultz TF, Pruneda-Paz JL, Borevitz JO, Ecker JR, Kay SA (2005) LUX ARRHYTHMO encodes a Myb transcription factor essential for circadian rhythms. Proceedings of the National Academy of Sciences, USA. 120:10387-10392.
Hazen SP, Scott-Craig JS, Walton JD (2002) Cellulose synthase-like (CSL) genes of rice. Plant Physiology 128:336-340.
Contact Info

Department Biology
N427 LSL
240 Thatcher Way
Amherst, MA 01003-9292

(413) 545-4546