THERMOLUMINESCENCE STUDY OF THE INVIVO EFFECTS OF BICARBONATE DEPLETION AND ACETATE FORMATE PRESENCE IN THE 2 ALGAE CHLAMYDOBOTRYS-STELLATA AND CHLAMYDOMONAS-REINHARDTII

被引：6

作者：

WIESSNER, W ^{[1
]}

MENDE, D ^{[1
]}

DEMETER, S ^{[1
]}

机构：

[1] HUNGARIAN ACAD SCI, BIOL RES CTR, INST PLANT PHYSIOL, H-6701 SZEGED, HUNGARY

来源：

PHOTOSYNTHESIS RESEARCH | 1992年 / 34卷 / 02期

关键词：

ACETATE; BICARBONATE EFFECT; CO2-DEPLETION; ELECTRON TRANSPORT; FORMATE; PHOTOSYNTHESIS; THERMOLUMINESCENCE; CHLAMYDOBOTRYS-STELLATA; CHLAMYDOMONAS-REINHARDTII;

D O I：

10.1007/BF00033445

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

We investigated the influence of CO2/HCO3--depletion and of the presence of acetate and formate on the in vivo photosynthetic electron transport in the two green algae Chlamydobotrys stellata and Chlamydomonas reinhardtii by means of thermoluminescence technique and mathematical glow curve analysis. The main effects of the removal of CO2 from the algal cultures was: (1) A shift of the glow curve peak position to lower temperatures resulting from a decrease of the B band and an increase of the Q band. (2) Treatment of CO2-deficient Chl. stellata with DCMU yielded two thermoluminescence bands in the Q band region peaking at around +12-degrees-C and +5-degrees-C; in case of Chl. reinhardtii DCMU treatment induced only one band with an emission maximum at +5-degrees-C. The presence of acetate or formate in CO2-depleted algal cultures lowered the intensities of all of the individual TL bands but that of a HT band (TL+37). The effects of CO2-depletion and of the presence of anions were fully reversible.

引用

页码：279 / 285

页数：7

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