外源δ-氨基乙酰丙酸消除黄瓜子叶绿化过程中的滞后期
The Abolition of the Lag Phase in Greening Cucumber Cotyledons by Exogenous delta-Aminolevulinic Acid.
作者信息
Castelfranco P A, Rich P M, Beale S I
机构信息
Department of Botany, University of California, Davis, California 95616.
出版信息
Plant Physiol. 1974 Apr;53(4):615-8. doi: 10.1104/pp.53.4.615.
Abstract
Etiolated cucumber cotyledons treated with delta-aminolevulinic acid accumulated protochlorophyllide which was phototransformable to chlorophyll (ide). The phototransformation process in the delta-aminolevulinic acid-treated tissue was markedly temperature-dependent, consistent with the view that this protochlorophyllide must combine with the holochrome apoenzyme before phototransformation can occur.The treatment which effects lag phase removal in control tissue did not affect the course of chlorophyll (ide) accumulation in delta-aminolevulinic acid-treated tissue under either continuous or intermittent illumination. It was concluded that the lag phase in etiolated tissues must reflect the gradual development of the ability to synthesize delta-aminolevulinic acid at an appreciable rate.
摘要
用δ-氨基乙酰丙酸处理黄化黄瓜子叶后，会积累原叶绿素酸酯，其可光转化为叶绿素（酯）。在δ-氨基乙酰丙酸处理的组织中，光转化过程明显依赖温度，这与以下观点一致：这种原叶绿素酸酯在光转化发生之前必须与全色素脱辅基酶结合。在连续或间歇光照下，能消除对照组织中延迟期的处理，对δ-氨基乙酰丙酸处理组织中叶绿素（酯）的积累过程没有影响。得出的结论是，黄化组织中的延迟期必定反映了以可观速率合成δ-氨基乙酰丙酸能力的逐渐发展。
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本文引用的文献
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Plant Physiol. 1974 Feb;53(2):291-6. doi: 10.1104/pp.53.2.291.
2
Relationship between Photoconvertible and Nonphotoconvertible Protochlorophyllides.可光转化和非可光转化原叶绿素之间的关系。
Plant Physiol. 1971 Oct;48(4):383-8. doi: 10.1104/pp.48.4.383.
3
Studies on the Biosynthesis and Metabolism of delta-Aminolevulinic Acid in Chlorella.小球藻中 δ-氨基乙酰丙酸的生物合成与代谢研究。
Plant Physiol. 1971 Sep;48(3):316-9. doi: 10.1104/pp.48.3.316.
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The sites of photoconversion of protochlorophyllide to chlorophyllide in barley seedlings.大麦幼苗中原叶绿素酸酯光转化为叶绿素酸酯的位点。
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6
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7
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