J Komenda

Summary

Affiliation: Institute of Microbiology
Country: Czech Republic

Publications

  1. pmc The Psb27 assembly factor binds to the CP43 complex of photosystem II in the cyanobacterium Synechocystis sp. PCC 6803
    Josef Komenda
    Laboratory of Photosynthesis, Institute of Microbiology, Academy of Sciences, 37981 Trebon, Czech Republic
    Plant Physiol 158:476-86. 2012
  2. doi request reprint Role of FtsH2 in the repair of Photosystem II in mutants of the cyanobacterium Synechocystis PCC 6803 with impaired assembly or stability of the CaMn(4) cluster
    Josef Komenda
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, Trebon, Czech Republic
    Biochim Biophys Acta 1797:566-75. 2010
  3. doi request reprint The cyanobacterial homologue of HCF136/YCF48 is a component of an early photosystem II assembly complex and is important for both the efficient assembly and repair of photosystem II in Synechocystis sp. PCC 6803
    Josef Komenda
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, 37981 Trebon, Czech Republic
    J Biol Chem 283:22390-9. 2008
  4. pmc The exposed N-terminal tail of the D1 subunit is required for rapid D1 degradation during photosystem II repair in Synechocystis sp PCC 6803
    Josef Komenda
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, 37981, Trebon, Czech Republic
    Plant Cell 19:2839-54. 2007
  5. ncbi request reprint Cleavage after residue Ala352 in the C-terminal extension is an early step in the maturation of the D1 subunit of Photosystem II in Synechocystis PCC 6803
    Josef Komenda
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, 37981 Trebon, Czech Republic
    Biochim Biophys Acta 1767:829-37. 2007
  6. ncbi request reprint The FtsH protease slr0228 is important for quality control of photosystem II in the thylakoid membrane of Synechocystis sp. PCC 6803
    Josef Komenda
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, Trebon, Czech Republic
    J Biol Chem 281:1145-51. 2006
  7. ncbi request reprint Autotrophic cells of the Synechocystis psbH deletion mutant are deficient in synthesis of CP47 and accumulate inactive PS II core complexes
    Josef Komenda
    Laboratory of Photosynthesis, Institute of Microbiology, Opatovicky mlyn, Trebon, Czech Republic
    Photosynth Res 85:161-7. 2005
  8. ncbi request reprint The PsbH protein is associated with the inner antenna CP47 and facilitates D1 processing and incorporation into PSII in the cyanobacterium Synechocystis PCC 6803
    Josef Komenda
    Laboratory of Photosynthesis, Institute of Microbiology, Academy of Sciences, 379 81 Trebon, Czech Republic
    Plant Cell Physiol 46:1477-83. 2005
  9. ncbi request reprint Absence of the psbH gene product destabilizes photosystem II complex and bicarbonate binding on its acceptor side in Synechocystis PCC 6803
    Josef Komenda
    Photosynthesis Research Centre, University of South Bohemia, Ceske Budejovice, Czech Republic
    Eur J Biochem 269:610-9. 2002
  10. ncbi request reprint Role of two forms of the D1 protein in the recovery from photoinhibition of photosystem II in the cyanobacterium Synechococcus PCC 7942
    J Komenda
    Laboratory of Photosynthesis, Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, Czech Republic
    Biochim Biophys Acta 1457:243-52. 2000

Collaborators

Detail Information

Publications27

  1. pmc The Psb27 assembly factor binds to the CP43 complex of photosystem II in the cyanobacterium Synechocystis sp. PCC 6803
    Josef Komenda
    Laboratory of Photosynthesis, Institute of Microbiology, Academy of Sciences, 37981 Trebon, Czech Republic
    Plant Physiol 158:476-86. 2012
    ..The tentative interaction of Psb27 and CP43 with PSI raises the possibility that PSI might play a previously unrecognized role in the biogenesis/repair of PSII...
  2. doi request reprint Role of FtsH2 in the repair of Photosystem II in mutants of the cyanobacterium Synechocystis PCC 6803 with impaired assembly or stability of the CaMn(4) cluster
    Josef Komenda
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, Trebon, Czech Republic
    Biochim Biophys Acta 1797:566-75. 2010
    ..The possibilities that PSII repair may limit the availability of chlorophyll for the biogenesis of other chlorophyll-binding proteins and that PsbO might have a regulatory role in PSII repair are discussed...
  3. doi request reprint The cyanobacterial homologue of HCF136/YCF48 is a component of an early photosystem II assembly complex and is important for both the efficient assembly and repair of photosystem II in Synechocystis sp. PCC 6803
    Josef Komenda
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, 37981 Trebon, Czech Republic
    J Biol Chem 283:22390-9. 2008
    ..Besides a role in assembly, we show for the first time that YCF48 also functions in the selective replacement of photodamaged D1 during PSII repair...
  4. pmc The exposed N-terminal tail of the D1 subunit is required for rapid D1 degradation during photosystem II repair in Synechocystis sp PCC 6803
    Josef Komenda
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, 37981, Trebon, Czech Republic
    Plant Cell 19:2839-54. 2007
    ..This finding has important implications for the recognition of damaged D1 and its synchronized replacement by a newly synthesized subunit...
  5. ncbi request reprint Cleavage after residue Ala352 in the C-terminal extension is an early step in the maturation of the D1 subunit of Photosystem II in Synechocystis PCC 6803
    Josef Komenda
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, 37981 Trebon, Czech Republic
    Biochim Biophys Acta 1767:829-37. 2007
    ..A possible role for two-step maturation of D1 in the assembly of PSII is discussed...
  6. ncbi request reprint The FtsH protease slr0228 is important for quality control of photosystem II in the thylakoid membrane of Synechocystis sp. PCC 6803
    Josef Komenda
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, Trebon, Czech Republic
    J Biol Chem 281:1145-51. 2006
    ..Overall, our results show that FtsH (slr0228) plays an important role in controlling the removal of PSII subunits from the thylakoid membrane and is not restricted to selective D1 turnover...
  7. ncbi request reprint Autotrophic cells of the Synechocystis psbH deletion mutant are deficient in synthesis of CP47 and accumulate inactive PS II core complexes
    Josef Komenda
    Laboratory of Photosynthesis, Institute of Microbiology, Opatovicky mlyn, Trebon, Czech Republic
    Photosynth Res 85:161-7. 2005
    ..The results show that in autotrophically grown cells of the psbH deletion mutant, selective D1 turnover is inhibited and synthesis of CP47 becomes a limiting step in the PS II assembly...
  8. ncbi request reprint The PsbH protein is associated with the inner antenna CP47 and facilitates D1 processing and incorporation into PSII in the cyanobacterium Synechocystis PCC 6803
    Josef Komenda
    Laboratory of Photosynthesis, Institute of Microbiology, Academy of Sciences, 379 81 Trebon, Czech Republic
    Plant Cell Physiol 46:1477-83. 2005
    ..We conclude that PsbH is important for the prompt incorporation of the newly synthesized D1 protein into PSII complexes and for the fast D1 maturation...
  9. ncbi request reprint Absence of the psbH gene product destabilizes photosystem II complex and bicarbonate binding on its acceptor side in Synechocystis PCC 6803
    Josef Komenda
    Photosynthesis Research Centre, University of South Bohemia, Ceske Budejovice, Czech Republic
    Eur J Biochem 269:610-9. 2002
    ..The results showed that in the PSII complex of Synechocystis attachment of CP47 to the D1-D2 heterodimer appears weakened and binding of bicarbonate on the PSII acceptor side is destabilized in the absence of the PsbH protein...
  10. ncbi request reprint Role of two forms of the D1 protein in the recovery from photoinhibition of photosystem II in the cyanobacterium Synechococcus PCC 7942
    J Komenda
    Laboratory of Photosynthesis, Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, Czech Republic
    Biochim Biophys Acta 1457:243-52. 2000
    ..This may represent the primary reason for the requirement of psbAII/psbAIII expression under increased irradiance...
  11. ncbi request reprint Cyanobacterial small chlorophyll-binding protein ScpD (HliB) is located on the periphery of photosystem II in the vicinity of PsbH and CP47 subunits
    Kamoltip Promnares
    Faculty of Biological Sciences, University of South Bohemia, 370 05 Ceske Budejovice, Czech Republic
    J Biol Chem 281:32705-13. 2006
    ....
  12. ncbi request reprint Accumulation of the D2 protein is a key regulatory step for assembly of the photosystem II reaction center complex in Synechocystis PCC 6803
    Josef Komenda
    Institute of Microbiology, Opatovicky mlyn, 379 81 Trebon, Czech Republic
    J Biol Chem 279:48620-9. 2004
    ..We conclude that expression of the psbEFLJ operon is a prerequisite for D2 accumulation that is the key regulatory step for D1 accumulation and consecutive assembly of the PSII reaction center complex...
  13. pmc Importance of the cyanobacterial Gun4 protein for chlorophyll metabolism and assembly of photosynthetic complexes
    Roman Sobotka
    Institute of Physical Biology, University of South Bohemia, 37333 Nove Hrady, Czech Republic
    J Biol Chem 283:25794-802. 2008
    ....
  14. ncbi request reprint Histidine residue 252 of the Photosystem II D1 polypeptide is involved in a light-induced cross-linking of the polypeptide with the alpha subunit of cytochrome b-559: study of a site-directed mutant of Synechocystis PCC 6803
    Lenka Lupínková
    Faculty of Biological Sciences, University of South Bohemia, 370 05, Ceske Budejovice, Czech Republic
    Biochim Biophys Acta 1554:192-201. 2002
    ..As the rate of the D1 degradation in the control and mutant strains is similar, formation of the adduct does not seem to represent a required intermediary step in the D1 degradation pathway...
  15. ncbi request reprint Photoadaptation of two members of the Chlorophyta (Scenedesmus and Chlorella) in laboratory and outdoor cultures: changes in chlorophyll fluorescence quenching and the xanthophyll cycle
    J Masojidek
    Department of Autotrophic Microorganisms, Institute of Microbiology, Academy of Sciences, 379 81 Trebon, Czech Republic
    Planta 209:126-35. 1999
    ..However, it does not play an appreciable role in dense, well-mixed microalgal suspensions...
  16. ncbi request reprint Synechocystis 6803 mutants expressing distinct forms of the Photosystem II D1 protein from Synechococcus 7942: relationship between the psbA coding region and sensitivity to visible and UV-B radiation
    M Tichy
    Institute of Physical Biology, University of South Bohemia, 373 33 Nové, Hrady, Czech Republic
    Biochim Biophys Acta 1605:55-66. 2003
    ..The higher light sensitivity of the AI mutant is caused partly by the higher rate of photodamage and partly by the less efficient PSII repair...
  17. ncbi request reprint Oxidative modifications of the Photosystem II D1 protein by reactive oxygen species: from isolated protein to cyanobacterial cells
    Lenka Lupínková
    Faculty of Biological Sciences, University of South Bohemia, Ceske Budejovice, Czech Republic
    Photochem Photobiol 79:152-62. 2004
    ..Identical symptoms of the ROS-induced D1 damage were detected in illuminated cells of Synechocystis mutants with a higher probability of ROS formation, documenting the relevance of the in vitro results for the situation in vivo...
  18. ncbi request reprint A biosensor for the detection of triazine and phenylurea herbicides designed using Photosystem II coupled to a screen-printed electrode
    Michal Koblizek
    Photosynthesis Research Center, Institute of Microbiology, 379 81 Trebon, Czech Republic
    Biotechnol Bioeng 78:110-6. 2002
    ..The setup resulted in a reusable herbicide biosensor with a good stability (half-life of 24 h) and limit of detection of approximately 10(-9) M for diuron, atrazine and simazine...
  19. pmc Psb28 protein is involved in the biogenesis of the photosystem II inner antenna CP47 (PsbB) in the cyanobacterium Synechocystis sp. PCC 6803
    Marika Dobakova
    Institute of Microbiology, Academy of Sciences, 37981 Trebon, Czech Republic
    Plant Physiol 149:1076-86. 2009
    ..Overall, our results show the importance of Psb28 for synthesis of Chls and/or apoproteins of Chl-binding proteins CP47 and PsaA/PsaB...
  20. ncbi request reprint Photosystem II assembly in CP47 mutant of Synechocystis sp. PCC 6803 is dependent on the level of chlorophyll precursors regulated by ferrochelatase
    Roman Sobotka
    Institute of Physical Biology, University of South Bohemia, 373 33 Nove Hrady, Czech Republic
    J Biol Chem 280:31595-602. 2005
    ..The probable role of ferrochelatase in the regulation of Chl biosynthesis is discussed...
  21. pmc Role of the PsbI protein in photosystem II assembly and repair in the cyanobacterium Synechocystis sp. PCC 6803
    Marika Dobakova
    Institute of Microbiology, Academy of Sciences, 37981 Trebon, Czech Republic
    Plant Physiol 145:1681-91. 2007
    ..Overall, our results suggest that PsbI is an early assembly partner for D1 and that it plays a functional role in stabilizing the binding of CP43 in the PSII holoenzyme...
  22. ncbi request reprint A role of the C-terminal extension of the photosystem II D1 protein in sensitivity of the cyanobacterium Synechocystis PCC 6803 to photoinhibition
    Stanislava Kuviková
    Institute of Microbiology, Academy of Sciences, Opatovicky mlyn, 37981, Trebon, Czech Republic
    Photochem Photobiol Sci 4:1044-8. 2005
    ..In the Asn359His mutant, this vulnerability was accompanied by an increased level of the PSII core lacking CP43 indicating limitation of the repair cycle in the CP43 reassembly step...
  23. doi request reprint Role of phosphatidylglycerol in the function and assembly of Photosystem II reaction center, studied in a cdsA-inactivated PAL mutant strain of Synechocystis sp. PCC6803 that lacks phycobilisomes
    Hajnalka Laczkó-Dobos
    Institute of Plant Biology, Biological Research Center, Hungarian Academy of Sciences, H 6701 Szeged, Hungary
    Biochim Biophys Acta 1777:1184-94. 2008
    ..35)S]-methionine labeling confirmed that PG depletion did not block de novo synthesis of the PSII proteins. We conclude that PG is required for the binding of CP43 within the PSII core complex...
  24. ncbi request reprint Localization of the small CAB-like proteins in photosystem II
    Danny Yao
    Department of Biochemistry, Umea University, Sweden
    J Biol Chem 282:267-76. 2007
    ..On the basis of these and other data presented, we suggest that members of the SCP family can associate with damaged PSII and can serve as a temporary pigment reservoir while PSII components are being replaced...
  25. ncbi request reprint The deg proteases protect Synechocystis sp. PCC 6803 during heat and light stresses but are not essential for removal of damaged D1 protein during the photosystem two repair cycle
    Myles Barker
    Divisions of Biology and Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
    J Biol Chem 281:30347-55. 2006
    ..We therefore conclude that although the Deg proteases are needed for photoprotection of Synechocystis sp. PCC 6803, they do not play an essential role in D1 turnover and PSII repair in vivo...
  26. ncbi request reprint Localization of the PsbH subunit in photosystem II from the Synechocystis 6803 using the His-tagged Ni-NTA Nanogold labeling
    Ladislav Bumba
    Institute of Plant and Molecular Biology, Czech Academy of Sciences, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
    J Struct Biol 152:28-35. 2005
    ..These results indicate that the N terminus of the PsbH protein is located at the stromal surface of the PSII complex and close to the CP47 protein...
  27. ncbi request reprint FtsH-mediated repair of the photosystem II complex in response to light stress
    Peter J Nixon
    Wolfson Laboratories, Department of Biological Sciences, Imperial College London, S Kensington campus, London SW7 2AZ, UK
    J Exp Bot 56:357-63. 2005
    ..PCC 6803. Based on these results and the analysis of Arabidopsis mutants, a general model for PSII repair is suggested in which FtsH complexes alone are able to degrade damaged D1...