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Cyanophyta

Cyanophyceae

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The Algae

Abstract

The name Cyanophyceae has recently been generally adopted for this class previously known as the Myxophyceae. Apart from the main feature that the cells lack true nuclei (see p. 1), they show other features which, with the bacteria, distinguish them from the Eucaryota (Echlin and Morris, 1965). The cell envelope in the Cyanophyceae consists of an outer sheath (capsule in the bacteria), an outer membrane and an inner one (present in gram + ve bacteria, but lacking in gram − ve) and a plasma membrane. The cell envelope is composed largely of mucopeptides built up from amino sugars (e.g. glucosamine) and amino acids (e.g. muramic, diaminopimelic), whereas the cell wall of other algae lack such amino constituents.

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References

General

Systematic

Development

Heterocyst

Movements

Sterols

Ultrastructure

Gas vacuoles

Cyanellae Symbionts

Cyanophora

Glaucocystis

Rivulariaceae

Anacystis

Entophysalis

Oscillatoria

Pleurocapsa

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© 1973 D. J. Chapman

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Chapman, V.J., Chapman, D.J. (1973). Cyanophyta. In: The Algae. Palgrave, London. https://doi.org/10.1007/978-1-349-27910-4_2

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