Professor George Espie

George S. Espie




CSB Appointment


Research Areas

Biotechnology, Microbiology, Molecular Biology, Physiology, Plant Biology, Structural Biology


Ph.D. York University 1985
B.Sc. York University 1979

Primary Undergraduate Department

Biology, UTM

Graduate Programs

Cell & Systems Biology

Research Description

We are interested in the understanding the structure and function of the cyanobacterial CO2 concentrating mechanism and how it affects photosynthetic activity and photoautotrophic growth under a variety of environmental stresses.

Contact Information

Office Phone: 905-828-5380
Office: DV3036
Lab: DV4028
Lab Phone: 905-828-5219

Mailing Address

Department of Biology
University of Toronto
3359 Mississauga Road
Mississauga, ON L5L 1C6

Visit lab’s website



Identification and characterization of a carboxysomal γ-carbonic anhydrase from the cyanobacterium Nostoc sp. PCC 7120

de Araujo C, Arefeen D, Tadesse Y, Long BM, Price GD, Rowlett RS, Kimber MS, Espie GS
2014, Photosynthesis research, 121, 135-50, 24907906

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Algae biofilm growth and the potential to stimulate lipid accumulation through nutrient starvation

Schnurr PJ, Espie GS, Allen DG
2013, Bioresource technology, 136, 337-44, 23567700

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Inactivation of a low temperature-induced RNA helicase in Synechocystis sp. PCC 6803: physiological and morphological consequences

Rosana AR, Ventakesh M, Chamot D, Patterson-Fortin LM, Tarassova O, Espie GS, Owttrim GW
2012, Plant & cell physiology, 53, 646-58, 22368073

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Physiological characterization and light response of the CO2-concentrating mechanism in the filamentous cyanobacterium Leptolyngbya sp. CPCC 696

de Araujo ED, Patel J, de Araujo C, Rogers SP, Short SM, Campbell DA, Espie GS
2011, Photosynthesis research, 109, 85-101, 21678048

Carboxysomes: cyanobacterial RubisCO comes in small packages

Espie GS, Kimber MS
2011, Photosynthesis research, 109, 7-20, 21556873

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Structural basis of the oxidative activation of the carboxysomal gamma-carbonic anhydrase, CcmM

Peña KL, Castel SE, de Araujo C, Espie GS, Kimber MS
2010, Proceedings of the National Academy of Sciences of the United States of America, 107, 2455-60, 20133749

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Optical microscopy in photosynthesis

Cisek R, Spencer L, Prent N, Zigmantas D, Espie GS, Barzda V
2009, Photosynthesis research, 102, 111-41, 19851883

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A multiprotein bicarbonate dehydration complex essential to carboxysome function in cyanobacteria

Cot SS, So AK, Espie GS
2008, Journal of bacteriology, 190, 936-45, 17993516

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Involvement of the cynABDS operon and the CO2-concentrating mechanism in the light-dependent transport and metabolism of cyanate by cyanobacteria

Espie GS, Jalali F, Tong T, Zacal NJ, So AK
2007, Journal of bacteriology, 189, 1013-24, 17122352

Mechanism of the down regulation of photosynthesis by blue light in the Cyanobacterium synechocystis sp. PCC 6803

Scott M, McCollum C, Vasil'ev S, Crozier C, Espie GS, Krol M, Huner NP, Bruce D
2006, Biochemistry, 45, 8952-8, 16846238

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A novel evolutionary lineage of carbonic anhydrase (epsilon class) is a component of the carboxysome shell

So AK, Espie GS, Williams EB, Shively JM, Heinhorst S, Cannon GC
2004, Journal of bacteriology, 186, 623-30, 14729686

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Mitochondrial-driven bicarbonate transport supports photosynthesis in a marine microalga

Huertas IE, Colman B, Espie GS
2002, Plant physiology, 130, 284-91, 12226508

Effects of carbon nutrition on the physiological expression of HCO3- transport and the CO2-concentrating mechanism in the Cyanobacterium chlorogloeopsis sp. ATCC 27193

Skleryk RS, So AK, Espie GS
2002, Planta, 214, 572-83, 11926192

The energy source for CO2 transport in the marine microalga Nannochloris atomus

Huertas IE, Espie GS, Colman B
2002, Planta, 214, 947-53, 11941472

Characterization of a mutant lacking carboxysomal carbonic anhydrase from the cyanobacterium Synechocystis PCC6803

So AK, John-McKay M, Espie GS
2002, Planta, 214, 456-67, 11859847

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