In this article we will discuss about the similarities of cyanobacteria with red algae and bacteria. Similarities of Cyanobacteria with Red Algae: (i) Flagellated or motile cells are absent in both cyanobacteria and red algae. (ii) The blue (phycocyanin) and red (phycoerythrin) pigments occurring in cyanobactena are chemically similar to those occurring in red algae […]
Similarities of Cyanobacteria with Red Algae and Bacteria
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Ultrastructure of a Cyanobacterial Cell
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The ultra-structural detail of a typical cyanobacterial cell (Fig. 6.10) is the following: 1. Mucilage Sheath: The cells and filaments of most cyanobacteria are generally surrounded by a mucilaginous sheath whose thickness, pigmentation, consistency, and nature is greatly influenced by environmental factors. It is considered that these microorganisms secrete the mucilage through pores present in […]
Cyanobacteria: Classification, Reproduction and Parasexuality
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In this article we will discuss about:- 1. Meaning and Characters of Cyanobacteria 2. Classification of Cyanobacteria 3. Reproduction 4. Parasexuality 5. Heterocyst 6. Economic Importance. Meaning and Characters of Cyanobacteria: The cyanobacteria (the earlier blue-green algae), or the blue-green bacteria, represent a group of photosynthetic, mostly photolysis-mediated oxygen-evolving monerans (prokaryotes). These are the only […]
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