LIGHT-ENHANCED DARK RESPIRATION IN MESOPHYLL PROTOPLASTS FROM LEAVES OF PEA

被引：37

作者：

REDDY, MM ^{[1
]}

VANI, T ^{[1
]}

RAGHAVENDRA, AS ^{[1
]}

机构：

[1] UNIV HYDERABAD,SCH LIFE SCI,HYDERABAD 500134,ANDHRA PRADESH,INDIA

来源：

PLANT PHYSIOLOGY | 1991年 / 96卷 / 04期

关键词：

D O I：

10.1104/pp.96.4.1368

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The respiratory oxygen uptake by mesophyll protoplasts of pea (Pisum sativum cv Arkel) was stimulated up to threefold after 15 minutes of illumination at an intensity of 1250 microeinsteins per square meter per second in the presence of 5 millimolar bicarbonate at 30-degrees-C. The extent of light-enhanced dark respiration (LEDR) increased progressively with duration of preillumination. The LEDR exhibited two phases. The initial high rate of respiration decreased in about 10 minutes to a lower steady value similar to that before illumination. The promotion of LEDR by the presence of bicarbonate and inhibition by glyceraldehyde or 3-(3,4-dichlorophenyl)-1,1-dimethylurea suggested that LEDR was dependent on products of photosynthetic carbon assimilation/electron transport. Thus, the photosynthetic products exert a markedly quick influence on dark respiration in mesophyll protoplasts.

引用

页码：1368 / 1371

页数：4

共 23 条

[1] COPPER ENZYMES IN ISOLATED CHLOROPLASTS - POLYPHENOLOXIDASE IN BETA-VULGARIS [J].

ARNON, DI .

PLANT PHYSIOLOGY, 1949, 24 (01) :1-15

[2] EFFECT OF OXYGEN ON THE CONTRIBUTION OF RESPIRATION TO THE CO2 COMPENSATION POINT IN WHEAT AND BEAN-LEAVES [J].

AZCONBIETO, J .

PLANT PHYSIOLOGY, 1986, 81 (02) :379-382

[3] RELATIONSHIP BETWEEN PHOTOSYNTHESIS AND RESPIRATION - THE EFFECT OF CARBOHYDRATE STATUS ON THE RATE OF CO2 PRODUCTION BY RESPIRATION IN DARKENED AND ILLUMINATED WHEAT LEAVES [J].

AZCONBIETO, J ;

OSMOND, CB .

PLANT PHYSIOLOGY, 1983, 71 (03) :574-581

[4] EFFECT OF TEMPERATURE ON THE CO2/O2 SPECIFICITY OF RIBULOSE-1,5-BISPHOSPHATE CARBOXYLASE OXYGENASE AND THE RATE OF RESPIRATION IN THE LIGHT - ESTIMATES FROM GAS-EXCHANGE MEASUREMENTS ON SPINACH [J].

BROOKS, A ;

FARQUHAR, GD .

PLANTA, 1985, 165 (03) :397-406

[5] AN EVALUATION OF THE RECYCLING IN MEASUREMENTS OF PHOTORESPIRATION [J].

GERBAUD, A ;

ANDRE, M .

PLANT PHYSIOLOGY, 1987, 83 (04) :933-937

[6]

GIBBS M, 1990, PERSPECTIVES BIOCH G, P339

[7]

Graham D, 1980, BIOCH PLANTS, V2, P525

[8]

GRAHAM D, 1979, ENCYCLOPEDIA PLANT 2, V6, P150

[9] TRIOSEPHOSPHATES MODULATE LEAF MITOCHONDRIAL PHOSPHORYLATION BY INHIBITION AND UNCOUPLING OF ELECTRON-TRANSPORT [J].

HAMPP, R .

PLANT PHYSIOLOGY, 1985, 79 (03) :690-694

[10] METABOLITE EXCHANGE BETWEEN CHLOROPLASTS AND CYTOPLASM [J].

HEBER, U .

ANNUAL REVIEW OF PLANT PHYSIOLOGY AND PLANT MOLECULAR BIOLOGY, 1974, 25 :393-421

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