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Cyanidium (Cyanophyceae)

Cyanidium caldarium
Modified from image (49689) posted at the Encyclopedia of Life.

Cyanidium caldarium
Modified from image (0653L) at the National Institute of Environmental Science, Japan

Cyanidium caldarium
Modified from image (82308) posted at the Encyclopedia of Life.

Cyanidium caldarium

TEM cross section (x40,000) demonstrating eucaryotic nature of the cell, with nucleus (n), chloroplasts (c), mitochondria (m), and vacuoles (v). A relatively thick wall (w) is also apparent (Mercer, Boborad and Mullens 1962).

Mercer, F.V., L. Bogorad, and R. Mullens 1962. The fine structure and systematic position of the organism (Figure 1). In: Studies with Cyanidium caldarium. J. Cell Biol. 13:393 - 403.

Cyanidium caldarium -- mass of a large number of cells
Image posted online

Cyanidium caldarium culture: Importance of high CO₂ supply at higher temperatures. Extracted from:

Seckbach, J. and I.R. Kaplan 1973. Growth pattern and ¹³C/¹²C isotope fractionation of Cyanidium caldarium and hot spring algal mats. Chemical Geology 12:161-169.

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