A Pheophytin‐like Pigment in Dark‐Adapted Euglena gracilis

C. L. GREENBLATT; J. A. SCHIFF

doi:10.1111/j.1550-7408.1959.tb03922.x

A Pheophytin‐like Pigment in Dark‐Adapted Euglena gracilis

C. L. GREENBLATT^*, J. A. SCHIFF

^*Corresponding author for this work

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137 Scopus citations

Abstract

SYNOPSIS. The pigments of Euglena gracilis var. bacillaris change when cultures of light‐grown organisms are placed in the dark; the alterations in spectrum indicate the formation of a pheophytin‐like substance from chlorophyll. This pheophytin‐like compound is not an artifact of extraction and separation of the pigments; the spectral changes occur in the intact cells. The “dark” pigment is not yet definitely characterized. Formation of this material on dark adaptation seems dependent on the nutritional history of the cells.

Original language	English
Pages (from-to)	23-28
Number of pages	6
Journal	Journal of Eukaryotic Microbiology
Volume	6
Issue number	1
DOIs	https://doi.org/10.1111/j.1550-7408.1959.tb03922.x
State	Published - Feb 1959
Externally published	Yes

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abstract = "SYNOPSIS. The pigments of Euglena gracilis var. bacillaris change when cultures of light‐grown organisms are placed in the dark; the alterations in spectrum indicate the formation of a pheophytin‐like substance from chlorophyll. This pheophytin‐like compound is not an artifact of extraction and separation of the pigments; the spectral changes occur in the intact cells. The “dark” pigment is not yet definitely characterized. Formation of this material on dark adaptation seems dependent on the nutritional history of the cells.",

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AB - SYNOPSIS. The pigments of Euglena gracilis var. bacillaris change when cultures of light‐grown organisms are placed in the dark; the alterations in spectrum indicate the formation of a pheophytin‐like substance from chlorophyll. This pheophytin‐like compound is not an artifact of extraction and separation of the pigments; the spectral changes occur in the intact cells. The “dark” pigment is not yet definitely characterized. Formation of this material on dark adaptation seems dependent on the nutritional history of the cells.

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A Pheophytin‐like Pigment in Dark‐Adapted Euglena gracilis

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