Metabolism of Threo-D(s)-Isocitric Acid in Detached Leaves of Bryophyllum calycinum.
نویسنده
چکیده
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منابع مشابه
The Behavior of Isocitric Acid in Excised Leaves of Bryophyllum Calycinum During Culture in Alternating Light and Darkness.
In an earlier study of the diurnal variation of organic acids and starch in excised leaves of Bryophyllum calycinum (3), it was observed that the quantity of isocitric acid present did not change significantly during a threeday period of culture in water under greenhouse conditions of illumination. Because of the contrast between the behavior of this substance and that of malic and citric acids...
متن کاملThe preparation of optically active isocitric acid from Bryophyllum leaf tissue.
d-Isocitric acid’ has, in recent years, attracted much interest as one of the organic acids concerned in reactions catalyzed by the enzymes of various animal and plant tissues. A demand has accordingly arisen for specimens of this rare substance for use in investigations of the enzyme systems involved. The fortunate observation that d-isocitric acid is present in the leaves of succulent plants ...
متن کاملPreparation of potassium dihydrogen Ls(+)-isocitrate from Bryophyllum calycinum leaves.
Although several procedures have been described for the synthesis of isocitric acid, (l-4) the optically inactive product obtained may be contaminated with the diastereomeric alloisocitric acid and, if pure, contains at most only 50 per cent of the isomer of interest in biochemistry. Pucher, Abrahams, and Vickery (5) attempted to meet the need for this substance by devising a method for the iso...
متن کاملThe Organic Acids of the Leaves of Bryophyllum Calycinum
It has been known since the work of Mayer (1) in 1875 that the thick succulent leaves of many plants of the family Crassulaceae become enriched in titratable organic acids during the night and diminish in acid content when the leaves are illuminated. An analogous diurnal variation in acidity has been observed in a number of other succulents, and occasionally in species of different growth habit...
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Among the unsolved problems of the biochemistry of organic acids in green leaf tissue is the position of isocitric acid in the metabolic system. This acid accumulates in substantial amounts in the leaves of plants of the botanical family Crassulaceae, and has been found in moderate amounts in a number of other species, notably the fruit of the blackberry (Rubus fructicosus), where it was first ...
متن کاملPreparation of Potassium Dihydrogen L,(+)-Isocitrate from Bryophyllum calycinum Leaves
Although several procedures have been described for the synthesis of isocitric acid, (l-4) the optically inactive product obtained may be contaminated with the diastereomeric alloisocitric acid and, if pure, contains at most only 50 per cent of the isomer of interest in biochemistry. Pucher, Abrahams, and Vickery (5) attempted to meet the need for this substance by devising a method for the iso...
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ورودعنوان ژورنال:
- Plant physiology
دوره 39 2 شماره
صفحات -
تاریخ انتشار 1964