CYCLIC VOLTAMMETRY MEASUREMENTS OF THE PHOTOELECTROGENIC REACTIONS OF THYLAKOID MEMBRANES

被引:15
作者
AGOSTIANO, A
GOETZE, DC
CARPENTIER, R
机构
[1] UNIV QUEBEC,CTR RECH PHOTOBIOPHYS,CP 500,TROIS RIVIERES GA9 5H7,QUEBEC,CANADA
[2] UNIV BARI,DIPARTMENTO CHIM,I-70126 BARI,ITALY
关键词
D O I
10.1111/j.1751-1097.1992.tb04260.x
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
In this paper, the technique of cyclic voltammetry has been used in a photoelectrochemical cell in order to follow the redox species formed in solution by the photo-induced electron transfer between the thylakoids and various acceptors and donors. The photoelectrochemical behavior of artificial electron acceptors (such as 2,5-dichlorobenzoquinone and methylviologen) and donors (such as sym-diphenylcarbazide and durohydroquinone) specific for either Photosystem I or Photosystem II has been investigated. The influence of inhibiting agents (such as 3-(3,4-dichlorophenyl)-1,1-dimethylurea and Tris) on the cell photoresponse has also been characterized, together with the capability of donors to restore the photocurrent. Evidence for H2O2 formation by way of a Mehler-type reaction has been provided and an electrochemical model of its coupled photochemical and electrochemical reactions in solution is reported.
引用
收藏
页码:449 / 455
页数:7
相关论文
共 29 条
  • [1] INVITRO PHOTOELECTROCHEMICAL MODEL OF THE Z-SCHEME IN GREEN PLANT PHOTOSYNTHESIS
    AGOSTIANO, A
    FONG, FK
    [J]. BIOELECTROCHEMISTRY AND BIOENERGETICS, 1987, 17 (03): : 325 - 337
  • [2] NULL POTENTIAL VOLTAMMETRY - APPROACH TO STUDY OF PLANT PHOTOSYSTEMS
    ALLEN, MJ
    CRANE, AE
    [J]. BIOELECTROCHEMISTRY AND BIOENERGETICS, 1976, 3 (01): : 84 - 91
  • [3] COPPER ENZYMES IN ISOLATED CHLOROPLASTS - POLYPHENOLOXIDASE IN BETA-VULGARIS
    ARNON, DI
    [J]. PLANT PHYSIOLOGY, 1949, 24 (01) : 1 - 15
  • [4] BARD AJ, 1980, ELECTROCHEMICAL METH, P445
  • [5] BARDWAJ R, 1981, PHOTOSYNTHESIS, V6, P719
  • [6] BARSKY EL, 1976, J BIOL CHEM, V251, P7066
  • [7] BOCKRIS JO, 1980, BIOELECTROCHEMISTRY, P19
  • [8] PHOTOACOUSTIC-SPECTROSCOPY OF ANACYSTIS-NIDULANS .3. DETECTION OF PHOTOSYNTHETIC ACTIVITIES
    CARPENTIER, R
    LARUE, B
    LEBLANC, RM
    [J]. ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS, 1984, 228 (02) : 534 - 543
  • [9] THE SITES OF ELECTRON DONATION OF PHOTOSYSTEM-I TO METHYL VIOLOGEN
    FUJII, T
    YOKOYAMA, E
    INOUE, K
    SAKURAI, H
    [J]. BIOCHIMICA ET BIOPHYSICA ACTA, 1990, 1015 (01) : 41 - 48
  • [10] GHERICHER H, 1977, SPECIAL TOPICS ELECT, P28