Krishna Niyogi

Summary

Affiliation: University of California
Country: USA

Publications

  1. pmc Arabidopsis thaliana PGR7 encodes a conserved chloroplast protein that is necessary for efficient photosynthetic electron transport
    Hou Sung Jung
    Department of Plant and Microbial Biology, University of California, Berkeley, California, United States of America
    PLoS ONE 5:e11688. 2010
  2. pmc Arabidopsis mutants define a central role for the xanthophyll cycle in the regulation of photosynthetic energy conversion
    K K Niyogi
    Carnegie Institution of Washington, Department of Plant Biology, 260 Panama Street, Stanford, California 94305, USA
    Plant Cell 10:1121-34. 1998
  3. ncbi request reprint Is PsbS the site of non-photochemical quenching in photosynthesis?
    Krishna K Niyogi
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720 3102, USA
    J Exp Bot 56:375-82. 2005
  4. ncbi request reprint Safety valves for photosynthesis
    K K Niyogi
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    Curr Opin Plant Biol 3:455-60. 2000
  5. ncbi request reprint Toward an understanding of the mechanism of nonphotochemical quenching in green plants
    Nancy E Holt
    Department of Chemistry, University of California, Berkeley, California 94720 1460, USA
    Biochemistry 43:8281-9. 2004
  6. ncbi request reprint Molecular and global time-resolved analysis of a psbS gene dosage effect on pH- and xanthophyll cycle-dependent nonphotochemical quenching in photosystem II
    Xiao Ping Li
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720 3102, USA
    J Biol Chem 277:33590-7. 2002
  7. ncbi request reprint Carotenoid cation formation and the regulation of photosynthetic light harvesting
    Nancy E Holt
    Department of Chemistry, University of California, Berkeley, CA 94720, USA
    Science 307:433-6. 2005
  8. pmc Ascorbate deficiency can limit violaxanthin de-epoxidase activity in vivo
    Patricia Muller-Moule
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    Plant Physiol 128:970-7. 2002
  9. ncbi request reprint Regulation of photosynthetic light harvesting involves intrathylakoid lumen pH sensing by the PsbS protein
    Xiao Ping Li
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    J Biol Chem 279:22866-74. 2004
  10. ncbi request reprint Sensing and responding to excess light
    Zhirong Li
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720, USA
    Annu Rev Plant Biol 60:239-60. 2009

Research Grants

  1. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2000
  2. Reverse genetics of Chlamydomonas using TILLING
    Krishna Niyogi; Fiscal Year: 2007
  3. Singlet Oxygen Signaling
    Krishna Niyogi; Fiscal Year: 2007
  4. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2007
  5. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2006
  6. Singlet Oxygen Signaling
    Krishna Niyogi; Fiscal Year: 2006
  7. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2005
  8. Singlet Oxygen Signaling
    Krishna Niyogi; Fiscal Year: 2005
  9. Singlet Oxygen Signaling
    Krishna Niyogi; Fiscal Year: 2004
  10. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2003

Collaborators

Detail Information

Publications34

  1. pmc Arabidopsis thaliana PGR7 encodes a conserved chloroplast protein that is necessary for efficient photosynthetic electron transport
    Hou Sung Jung
    Department of Plant and Microbial Biology, University of California, Berkeley, California, United States of America
    PLoS ONE 5:e11688. 2010
    ..Thus, we identified PGR7 as a novel, conserved nuclear gene that is necessary for efficient photosynthetic electron transport in chloroplasts of Arabidopsis...
  2. pmc Arabidopsis mutants define a central role for the xanthophyll cycle in the regulation of photosynthetic energy conversion
    K K Niyogi
    Carnegie Institution of Washington, Department of Plant Biology, 260 Panama Street, Stanford, California 94305, USA
    Plant Cell 10:1121-34. 1998
    ....
  3. ncbi request reprint Is PsbS the site of non-photochemical quenching in photosynthesis?
    Krishna K Niyogi
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720 3102, USA
    J Exp Bot 56:375-82. 2005
    ..What is known about PsbS in relation to the hypothesis that this protein is the site of qE is reviewed here...
  4. ncbi request reprint Safety valves for photosynthesis
    K K Niyogi
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    Curr Opin Plant Biol 3:455-60. 2000
    ..These 'safety valves' include nonphotochemical mechanisms for quenching excited chlorophylls, as well as alternative electron acceptors such as oxygen...
  5. ncbi request reprint Toward an understanding of the mechanism of nonphotochemical quenching in green plants
    Nancy E Holt
    Department of Chemistry, University of California, Berkeley, California 94720 1460, USA
    Biochemistry 43:8281-9. 2004
    ..We summarize recent biochemical and spectroscopic results that have brought us closer to the goal of a mechanistic understanding of this fundamental photosynthetic regulatory process...
  6. ncbi request reprint Molecular and global time-resolved analysis of a psbS gene dosage effect on pH- and xanthophyll cycle-dependent nonphotochemical quenching in photosystem II
    Xiao Ping Li
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720 3102, USA
    J Biol Chem 277:33590-7. 2002
    ..Thus, the extent of qE measured as either the fractional intensities of the PSII chlorophyll a fluorescence lifetime distributions or steady state intensities was stoichiometrically related to the amount of PsbS protein...
  7. ncbi request reprint Carotenoid cation formation and the regulation of photosynthetic light harvesting
    Nancy E Holt
    Department of Chemistry, University of California, Berkeley, CA 94720, USA
    Science 307:433-6. 2005
    ..These results indicate that energy transfer from chlorophyll molecules to a chlorophyllzeaxanthin heterodimer, which then undergoes charge separation, is the mechanism for excess energy dissipation during feedback deexcitation...
  8. pmc Ascorbate deficiency can limit violaxanthin de-epoxidase activity in vivo
    Patricia Muller-Moule
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    Plant Physiol 128:970-7. 2002
    ..The results also demonstrate the interconnectedness of NPQ and antioxidants, both important protection mechanisms in plants...
  9. ncbi request reprint Regulation of photosynthetic light harvesting involves intrathylakoid lumen pH sensing by the PsbS protein
    Xiao Ping Li
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    J Biol Chem 279:22866-74. 2004
    ..Furthermore, based on the extent of qE inhibition in the mutants, photochemical and nonphotochemical quenching processes of photosystem II were associated with distinct chlorophyll fluorescence life-time distribution components...
  10. ncbi request reprint Sensing and responding to excess light
    Zhirong Li
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720, USA
    Annu Rev Plant Biol 60:239-60. 2009
    ....
  11. pmc A major light-harvesting polypeptide of photosystem II functions in thermal dissipation
    Dafna Elrad
    Department of Biological Sciences, Stanford University, Stanford, CA 94305, USA
    Plant Cell 14:1801-16. 2002
    ..Both physiological and molecular characterization of the npq5 mutant suggest that most thermal dissipation within LHCII of Chlamydomonas is dependent on the peripherally associated trimeric LHC polypeptides...
  12. pmc PsbS-dependent enhancement of feedback de-excitation protects photosystem II from photoinhibition
    Xiao Ping Li
    Department of Plant and Microbial Biology, University of California, Berkeley 94720 3102, USA
    Proc Natl Acad Sci U S A 99:15222-7. 2002
    ..Engineering of qE capacity by PsbS overexpression could potentially yield crop plants that are more resistant to environmental stress...
  13. ncbi request reprint Zeaxanthin radical cation formation in minor light-harvesting complexes of higher plant antenna
    Thomas J Avenson
    Department of Chemistry, University of California, Berkeley, California 94720 1460, USA
    J Biol Chem 283:3550-8. 2008
    ....
  14. ncbi request reprint Kinetic modeling of charge-transfer quenching in the CP29 minor complex
    Yuan Chung Cheng
    Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
    J Phys Chem B 112:13418-23. 2008
    ..Finally, we compare simulations of CT quenching in thylakoids with those of the individual CP29 complexes and propose that CP29 rather than LHCII is a site of CT quenching...
  15. ncbi request reprint Photoprotection mutants of Arabidopsis thaliana acclimate to high light by increasing photosynthesis and specific antioxidants
    Talila Golan
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720 3102, USA
    Plant Cell Environ 29:879-87. 2006
    ..The specificity of this response provides insight into the relationship between qE and the antioxidant network in plants...
  16. pmc Zeaxanthin accumulation in the absence of a functional xanthophyll cycle protects Chlamydomonas reinhardtii from photooxidative stress
    Irene Baroli
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    Plant Cell 15:992-1008. 2003
    ..Our results are consistent with an antioxidant role of zeaxanthin in the quenching of singlet oxygen and/or free radicals in the thylakoid membrane in vivo...
  17. pmc Replacement of alpha-tocopherol by beta-tocopherol enhances resistance to photooxidative stress in a xanthophyll-deficient strain of Chlamydomonas reinhardtii
    Anchalee Sirikhachornkit
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720 3102, USA
    Eukaryot Cell 8:1648-57. 2009
    ..Taken together, these results suggest that the replacement of alpha-tocopherol by beta-tocopherol in a xanthophyll-deficient strain of Chlamydomonas reinhardtii contributes to better survival under conditions of photooxidative stress...
  18. pmc Mutations in Arabidopsis YCF20-like genes affect thermal dissipation of excess absorbed light energy
    Hou Sung Jung
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720 3102, USA
    Planta 231:923-37. 2010
    ..The npq6 npq7 double mutant had an additive NPQ defect, indicating that the YCF20 family members in Arabidopsis have overlapping functions affecting thermal dissipation...
  19. doi request reprint Architecture of a charge-transfer state regulating light harvesting in a plant antenna protein
    Tae Kyu Ahn
    Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    Science 320:794-7. 2008
    ....
  20. pmc Lutein accumulation in the absence of zeaxanthin restores nonphotochemical quenching in the Arabidopsis thaliana npq1 mutant
    Zhirong Li
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    Plant Cell 21:1798-812. 2009
    ....
  21. ncbi request reprint An ancient light-harvesting protein is critical for the regulation of algal photosynthesis
    Graham Peers
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    Nature 462:518-21. 2009
    ..Thus, these data indicate that plants and algae use different proteins to dissipate harmful excess light energy and protect the photosynthetic apparatus from damage...
  22. pmc Quantitative genetic analysis of thermal dissipation in Arabidopsis
    Hou Sung Jung
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    Plant Physiol 150:977-86. 2009
    ..Neither QTL maps to a gene that had been identified previously in extensive forward genetics screens using induced mutants, suggesting that quantitative genetics can be used to find new genes affecting thermal dissipation...
  23. doi request reprint Lutein can act as a switchable charge transfer quencher in the CP26 light-harvesting complex
    Thomas J Avenson
    Department of Chemistry, University of California Berkeley, and Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    J Biol Chem 284:2830-5. 2009
    ..We also show that lutein radical cation formation in CP26 is dependent on binding of zeaxanthin to the L2 domain, implying that zeaxanthin acts as an allosteric effector of charge transfer quenching involving lutein in the L1 domain...
  24. pmc Trophic status of Chlamydomonas reinhardtii influences the impact of iron deficiency on photosynthesis
    Aimee M Terauchi
    Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095 1569, USA
    Photosynth Res 105:39-49. 2010
    ..Acetate-grown iron-limited cells maintain high growth rates by suppressing photosynthesis but increasing instead respiration. These cells are also able to maintain a reduced plastoquinone pool...
  25. pmc Acclimation to singlet oxygen stress in Chlamydomonas reinhardtii
    Heidi K Ledford
    Department of Plant and Microbial Biology, 111 Koshland Hall, University of California Berkeley, Berkeley, CA 94720 3102, USA
    Eukaryot Cell 6:919-30. 2007
    ..Escherichia coli and Saccharomyces cerevisiae exhibit well-defined responses to reactive oxygen but did not acclimate to singlet oxygen, possibly reflecting the relative importance of singlet oxygen stress for photosynthetic organisms...
  26. pmc Zeaxanthin deficiency enhances the high light sensitivity of an ascorbate-deficient mutant of Arabidopsis
    Patricia Muller-Moule
    Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720 3102, USA
    Plant Physiol 133:748-60. 2003
    ..The results also provide further support for the proposed role of zeaxanthin as an antioxidant and lipid stabilizer...
  27. ncbi request reprint Photo-oxidative stress in a xanthophyll-deficient mutant of Chlamydomonas
    Irene Baroli
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    J Biol Chem 279:6337-44. 2004
    ..The bleaching phenotype of npq1 lor1 was not due to enhanced photodamage to photosystem II but rather to a less localized phenomenon of accumulation of photo-oxidation products in chloroplast membranes...
  28. pmc Ascorbate-deficient mutants of Arabidopsis grow in high light despite chronic photooxidative stress
    Patricia Muller-Moule
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720, USA
    Plant Physiol 134:1163-72. 2004
    ..These results demonstrate the importance of ascorbate for the long-term acclimation of plants to HL...
  29. pmc Functional genomics of eukaryotic photosynthesis using insertional mutagenesis of Chlamydomonas reinhardtii
    Rachel M Dent
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    Plant Physiol 137:545-56. 2005
    ..Flanking DNA was isolated from the mutants, and sequence data for the insertion sites in 50 mutants are presented and discussed...
  30. pmc Evidence for direct carotenoid involvement in the regulation of photosynthetic light harvesting
    Ying Zhong Ma
    Department of Chemistry, University of California, and Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    Proc Natl Acad Sci U S A 100:4377-82. 2003
    ..The lifetime and the spectral characteristics indicate that the kinetic difference originated from the involvement of the S(1) state of a specific Xan, zeaxanthin, in the quenched case...
  31. pmc PAA1, a P-type ATPase of Arabidopsis, functions in copper transport in chloroplasts
    Toshiharu Shikanai
    Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, Nara 630 0101, Japan
    Plant Cell 15:1333-46. 2003
    ..Thus, PAA1 is a critical component of a Cu transport system in chloroplasts responsible for cofactor delivery to plastocyanin and Cu/ZnSOD...
  32. pmc Two P-type ATPases are required for copper delivery in Arabidopsis thaliana chloroplasts
    Salah E Abdel-Ghany
    Biology Department, Colorado State University, Fort Collins, Colorado 80523, USA
    Plant Cell 17:1233-51. 2005
    ..A paa1 paa2 double mutant was seedling-lethal, underscoring the importance of copper to photosynthesis. We propose that PAA1 and PAA2 function sequentially in copper transport over the envelope and thylakoid membrane, respectively...
  33. pmc Chlamydomonas and Arabidopsis. A dynamic duo
    Benjamin L Gutman
    Department of Plant and Microbial Biology, University of California, Berkeley, California 94720 3102, USA
    Plant Physiol 135:607-10. 2004
    ..By analogy with the yeast-mouse dyad, this green pair has tremendous potential as we enter an era of renewed interest in comparative biology...
  34. pmc Defects in the cytochrome b6/f complex prevent light-induced expression of nuclear genes involved in chlorophyll biosynthesis
    Ning Shao
    Institut fuer Biologie III, Universitaet Freiburg, D 79104 Freiburg, Germany
    Plant Physiol 141:1128-37. 2006
    ....

Research Grants14

  1. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2000
    ....
  2. Reverse genetics of Chlamydomonas using TILLING
    Krishna Niyogi; Fiscal Year: 2007
    ..This project will generate a resource that will enable the determination of gene function for many genes that have been discovered by sequencing the Chlamydomonas genome. ..
  3. Singlet Oxygen Signaling
    Krishna Niyogi; Fiscal Year: 2007
    ..This investigation will help illuminate studies of singlet oxygen biology in other organisms and provide fundamental knowledge about how eukaryotic cells sense and respond to singlet oxygen. ..
  4. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2007
    ..abstract_text> ..
  5. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2006
    ..abstract_text> ..
  6. Singlet Oxygen Signaling
    Krishna Niyogi; Fiscal Year: 2006
    ..This investigation will help illuminate studies of singlet oxygen biology in other organisms and provide fundamental knowledge about how eukaryotic cells sense and respond to singlet oxygen. ..
  7. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2005
    ....
  8. Singlet Oxygen Signaling
    Krishna Niyogi; Fiscal Year: 2005
    ..This investigation will help illuminate studies of singlet oxygen biology in other organisms and provide fundamental knowledge about how eukaryotic cells sense and respond to singlet oxygen. ..
  9. Singlet Oxygen Signaling
    Krishna Niyogi; Fiscal Year: 2004
    ..This investigation will help illuminate studies of singlet oxygen biology in other organisms and provide fundamental knowledge about how eukaryotic cells sense and respond to singlet oxygen. ..
  10. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2003
    ....
  11. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2002
    ....
  12. ANTIOXIDANT METABOLISM IN CHLAMYDOMONAS
    Krishna Niyogi; Fiscal Year: 2001
    ....