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利用裸铂电极和 4 微秒饱和光闪烁对石莼中的氧气交换进行研究。

Oxygen exchange in ulva using a bare platinum electrode with 4 microsecond saturating light flashes.

机构信息

Department of Physics, Simon Fraser University, Burnaby, B.C., Canada V5A 1S6.

出版信息

Plant Physiol. 1986 Feb;80(2):346-9. doi: 10.1104/pp.80.2.346.

DOI:10.1104/pp.80.2.346
PMID:16664624
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1075115/
Abstract

Illuminating algae (Ulva species) on a bare platinum electrode with 4 microseconds of saturating light flashes leads to the familiar four-step oscillatory pattern of O(2) exchange. However, it appears that this O(2) exchange is a composite of O(2) evolution and endogenous O(2) uptake in the algae. We have added the O(2) uptake component to the O(2) exchange curve in order to obtain the corrected O(2) evolution flash sequence which shows a similar four-step oscillation as reported previously, but with negligible damping over the first three oscillations.

摘要

在裸露的铂电极上用 4 微秒的饱和光闪烁照射发光藻类(石莼属),会导致熟悉的 O(2) 交换四步振荡模式。然而,这种 O(2) 交换似乎是藻类中 O(2) 释放和内源性 O(2) 摄取的复合。我们已经将 O(2) 摄取成分添加到 O(2) 交换曲线上,以获得校正后的 O(2) 释放闪光序列,该序列显示出与之前报道相似的四步振荡,但在前三个振荡中几乎没有阻尼。

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本文引用的文献

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Fixation of O(2) during Photorespiration: Kinetic and Steady-State Studies of the Photorespiratory Carbon Oxidation Cycle with Intact Leaves and Isolated Chloroplasts of C(3) Plants.光呼吸过程中氧气的固定:对C₃植物完整叶片和分离叶绿体光呼吸碳氧化循环的动力学和稳态研究
Plant Physiol. 1978 Dec;62(6):954-67. doi: 10.1104/pp.62.6.954.
2
Kinetics and Apparent K(m) of Oxygen Cycle under Conditions of Limiting Carbon Dioxide Fixation.二氧化碳固定受限条件下氧循环的动力学及表观米氏常数(K(m))
Plant Physiol. 1978 Jun;61(6):915-7. doi: 10.1104/pp.61.6.915.
3
Photoreduction of O(2) Primes and Replaces CO(2) Assimilation.光还原 O(2) 前体并取代 CO(2) 同化。
Plant Physiol. 1976 Sep;58(3):336-40. doi: 10.1104/pp.58.3.336.
4
Oxygen Uptake and Evolution Following Monochromatic Flashes in Ulva and an Action Spectrum for System I.石莼属植物在单色闪光后的氧气摄取与释放以及光系统I的作用光谱
Plant Physiol. 1965 Jan;40(1):7-12. doi: 10.1104/pp.40.1.7.
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COPPER ENZYMES IN ISOLATED CHLOROPLASTS. POLYPHENOLOXIDASE IN BETA VULGARIS.分离叶绿体中的铜酶。甜菜中的多酚氧化酶。
Plant Physiol. 1949 Jan;24(1):1-15. doi: 10.1104/pp.24.1.1.
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Studies on reactions of illuminated chloroplasts. II. Stimulation and inhibition of the reaction with molecular oxygen.光照叶绿体反应的研究。II. 分子氧反应的刺激与抑制
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