菜豆下胚轴线粒体的肿胀与收缩
Swelling and contraction of phaseolus hypocotyl mitochondria.
作者信息
Earnshaw M J, Truelove B
机构信息
Department of Botany, The University, Manchester 13, England.
出版信息
Plant Physiol. 1968 Jan;43(1):121-9. doi: 10.1104/pp.43.1.121.
Abstract
Isolated Phaseolus mitochondria will swell spontaneously in buffered KCl and contract with an oxidizable substrate or ATP + Mg(2+). The conditions under which the mitochondria are swollen affect subsequent contraction, substrate oxidation and ion accumulation, but not their oxidative phosphorylation ability. Bovine serum albumin reduces the rate of swelling and promotes substrate oxidation, contraction and ion accumulation. Swelling of these mitochondria is associated with the release of malic dehydrogenase and a loss of membrane integrity. The beneficial effects of bovine serum albumin in preserving the energy linked functions of Phaseolus mitochondria is discussed.
摘要
分离出的菜豆线粒体在缓冲的氯化钾溶液中会自发膨胀，并在可氧化底物或ATP + Mg(2+)存在时收缩。线粒体膨胀的条件会影响随后的收缩、底物氧化和离子积累，但不影响其氧化磷酸化能力。牛血清白蛋白可降低膨胀速率，并促进底物氧化、收缩和离子积累。这些线粒体的膨胀与苹果酸脱氢酶的释放和膜完整性的丧失有关。本文讨论了牛血清白蛋白在维持菜豆线粒体能量相关功能方面的有益作用。
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本文引用的文献
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Plant Physiol. 1966 Dec;41(10):1601-9. doi: 10.1104/pp.41.10.1601.
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Calcium-activated phosphate uptake in contracting corn mitochondria.在收缩的玉米线粒体中，钙激活的磷酸盐摄取。
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Swelling and contraction of corn mitochondria.玉米线粒体的肿胀与收缩
Plant Physiol. 1966 Feb;41(2):255-66. doi: 10.1104/pp.41.2.255.
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Action of Calcium on Corn Mitochondria.钙对玉米线粒体的作用
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Relationship between the Physical Nature of Mitochondrial Membranes and Chilling Sensitivity in Plants.植物线粒体膜的物理性质与冷敏感性之间的关系
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