Doug Bruce

Summary

Affiliation: Brock University
Country: Canada

Publications

  1. ncbi request reprint John Biggins (1936-2004): his ingenuity, tenacity and humor; no-nonsense science with a big heart
    Doug Bruce
    Department of Biological Sciences, Brock University, St Catharines, L2S 3A1 Ontario, Canada
    Photosynth Res 85:261-5. 2005
  2. ncbi request reprint The PsbU subunit of photosystem II stabilizes energy transfer and primary photochemistry in the phycobilisome-photosystem II assembly of Synechocystis sp. PCC 6803
    John Veerman
    Department of Biological Sciences, Brock University, St Catharines, Ontario L2S 3A1, Canada
    Biochemistry 44:16939-48. 2005
  3. ncbi request reprint The X-ray structure of photosystem II reveals a novel electron transport pathway between P680, cytochrome b559 and the energy-quenching cation, ChlZ+
    Sergej Vasil'ev
    Department of Biological Sciences, Brock University, L2S 3A1, St Catharines, ON, Canada
    FEBS Lett 543:159-63. 2003
  4. pmc Regulation of the distribution of chlorophyll and phycobilin-absorbed excitation energy in cyanobacteria. A structure-based model for the light state transition
    Michael D McConnell
    Department of Biological Sciences, Brock University, St Catharines, Ontario, Canada L2S 3A1
    Plant Physiol 130:1201-12. 2002
  5. ncbi request reprint Structure-based kinetic modeling of excited-state transfer and trapping in histidine-tagged photosystem II core complexes from synechocystis
    Sergei Vassiliev
    Department of Biology, Brock University, St Catharines, Ontario L2S 3A1, Canada
    Biochemistry 41:12236-43. 2002
  6. doi request reprint Tracking the flow of water through photosystem II using molecular dynamics and streamline tracing
    Serguei Vassiliev
    Department of Biology, Brock University, 500 Glenridge Avenue, St Catharines, Ontario L2S 3A1, Canada
    Biochemistry 49:1873-81. 2010
  7. doi request reprint Toward understanding molecular mechanisms of light harvesting and charge separation in photosystem II
    Serguei Vassiliev
    Department of Biology, Brock University, St Catharines, ON, Canada L2S 3A1
    Photosynth Res 97:75-89. 2008
  8. doi request reprint Calculation of chromophore excited state energy shifts in response to molecular dynamics of pigment-protein complexes
    Serguei Vassiliev
    Department of Biology, Brock University, 500 Glenridge Avenue, St Catharines, ON L2S 3A1, Canada
    Photosynth Res 110:25-38. 2011
  9. pmc A protein dynamics study of photosystem II: the effects of protein conformation on reaction center function
    Sergej Vasil'ev
    Department of Biological Sciences, Brock University, St Catharines, Ontario L2S 3A1, Canada
    Biophys J 90:3062-73. 2006
  10. pmc Optimization and evolution of light harvesting in photosynthesis: the role of antenna chlorophyll conserved between photosystem II and photosystem I
    Sergej Vasil'ev
    Department of Biological Sciences, Brock University, St Catharines, Ontario, L2S 3A1, Canada
    Plant Cell 16:3059-68. 2004

Collaborators

Detail Information

Publications16

  1. ncbi request reprint John Biggins (1936-2004): his ingenuity, tenacity and humor; no-nonsense science with a big heart
    Doug Bruce
    Department of Biological Sciences, Brock University, St Catharines, L2S 3A1 Ontario, Canada
    Photosynth Res 85:261-5. 2005
  2. ncbi request reprint The PsbU subunit of photosystem II stabilizes energy transfer and primary photochemistry in the phycobilisome-photosystem II assembly of Synechocystis sp. PCC 6803
    John Veerman
    Department of Biological Sciences, Brock University, St Catharines, Ontario L2S 3A1, Canada
    Biochemistry 44:16939-48. 2005
    ..Our results are consistent with the assumption that PsbU stabilizes both energy transfer and electron transport in the PBS/PSII assembly...
  3. ncbi request reprint The X-ray structure of photosystem II reveals a novel electron transport pathway between P680, cytochrome b559 and the energy-quenching cation, ChlZ+
    Sergej Vasil'ev
    Department of Biological Sciences, Brock University, L2S 3A1, St Catharines, ON, Canada
    FEBS Lett 543:159-63. 2003
    ..We also identify a chain of closely spaced pigments in the structure from Thermosynechococcus vulcanus that we propose to form a novel electron transport pathway between Chl(Z)(D1), beta-carotene, P680(+) and cytochrome b(559)...
  4. pmc Regulation of the distribution of chlorophyll and phycobilin-absorbed excitation energy in cyanobacteria. A structure-based model for the light state transition
    Michael D McConnell
    Department of Biological Sciences, Brock University, St Catharines, Ontario, Canada L2S 3A1
    Plant Physiol 130:1201-12. 2002
    ..We present a model for the state transition in cyanobacteria based on the x-ray structures of PSII, PSI, and allophycocyanin consistent with these results...
  5. ncbi request reprint Structure-based kinetic modeling of excited-state transfer and trapping in histidine-tagged photosystem II core complexes from synechocystis
    Sergei Vassiliev
    Department of Biology, Brock University, St Catharines, Ontario L2S 3A1, Canada
    Biochemistry 41:12236-43. 2002
    ....
  6. doi request reprint Tracking the flow of water through photosystem II using molecular dynamics and streamline tracing
    Serguei Vassiliev
    Department of Biology, Brock University, 500 Glenridge Avenue, St Catharines, Ontario L2S 3A1, Canada
    Biochemistry 49:1873-81. 2010
    ....
  7. doi request reprint Toward understanding molecular mechanisms of light harvesting and charge separation in photosystem II
    Serguei Vassiliev
    Department of Biology, Brock University, St Catharines, ON, Canada L2S 3A1
    Photosynth Res 97:75-89. 2008
    ....
  8. doi request reprint Calculation of chromophore excited state energy shifts in response to molecular dynamics of pigment-protein complexes
    Serguei Vassiliev
    Department of Biology, Brock University, 500 Glenridge Avenue, St Catharines, ON L2S 3A1, Canada
    Photosynth Res 110:25-38. 2011
    ..We suggest an extension of QM/MM methodology of site energy shift calculations capable of accounting for long-range electrostatic potential contributions from the whole system, including solvent and ions...
  9. pmc A protein dynamics study of photosystem II: the effects of protein conformation on reaction center function
    Sergej Vasil'ev
    Department of Biological Sciences, Brock University, St Catharines, Ontario L2S 3A1, Canada
    Biophys J 90:3062-73. 2006
    ..The implications of our results are discussed in the context of competing evolutionary selection pressures for RC structure and function...
  10. pmc Optimization and evolution of light harvesting in photosynthesis: the role of antenna chlorophyll conserved between photosystem II and photosystem I
    Sergej Vasil'ev
    Department of Biological Sciences, Brock University, St Catharines, Ontario, L2S 3A1, Canada
    Plant Cell 16:3059-68. 2004
    ..The differential optimization of antenna chlorophyll is discussed in the context of competing selection pressures for the evolution of light harvesting in photosynthesis...
  11. ncbi request reprint The orientations of core antenna chlorophylls in photosystem II are optimized to maximize the quantum yield of photosynthesis
    Sergei Vasil'ev
    Department of Biological Sciences, Brock University, St Catharines, ON, Canada L2S 3A1
    FEBS Lett 561:111-6. 2004
    ..Our results revealed that the orientations of key antenna Chls are optimized to maximize photosynthesis while the orientations of the two peripheral RC Chls (Chl(Z)) are not...
  12. ncbi request reprint Functional heterogeneity of photosystem II in domain specific regions of the thylakoid membrane of spinach (Spinacia oleracea L.)
    John Veerman
    Department of Biology, Brock University, St Catharines, Ontario, L2S 3A1, Canada
    Biochemistry 46:3443-53. 2007
    ....
  13. ncbi request reprint Mechanism of the down regulation of photosynthesis by blue light in the Cyanobacterium synechocystis sp. PCC 6803
    Matt Scott
    Department of Biological Sciences, Brock University, St Catharines, Ontario, Canada L2S 3A1
    Biochemistry 45:8952-8. 2006
    ..Our data support a regulatory mechanism involving a protein conformational change and/or change in protein-protein interaction which quenches excitation energy at the core of the phycobilisome...
  14. pmc Photoprotection in the lichen Parmelia sulcata: the origins of desiccation-induced fluorescence quenching
    John Veerman
    Department of Biological Sciences, Brock University, St Catharines, Ontario, Canada L2S 3A1
    Plant Physiol 145:997-1005. 2007
    ....
  15. doi request reprint Under light limiting growth, CpcB lyase null mutants of the Cyanobacterium Synechococcus sp. PCC 7002 are capable of producing pigmented beta phycocyanin but with altered chromophore function
    Allen K Derks
    Department of Biological Sciences, Brock University, St Catharines, Ontario L2S 3A1, Canada
    Biochemistry 47:11877-84. 2008
    ..We hypothesize that alternate, less specific lyases are able to add chromophores, with varying effectiveness, to the beta binding sites...
  16. pmc Iron deficiency in cyanobacteria causes monomerization of photosystem I trimers and reduces the capacity for state transitions and the effective absorption cross section of photosystem I in vivo
    Alexander G Ivanov
    Department of Biology and The Biotron, University of Western Ontario, London, Ontario, Canada N6A 5B7
    Plant Physiol 141:1436-45. 2006
    ..We discuss the role of CP43' as an effective energy quencher to photoprotect PSII and PSI under unfavorable environmental conditions in cyanobacteria in vivo...