Note: The lineages in green are (from top to bottom): Green nonsulfur bacteria, Green sulfur bacteria, Cyan, The bacteri
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Note: The lineages in green are (from top to bottom): Green nonsulfur bacteria, Green sulfur bacteria, Cyan, The bacteri
Note: The lineages in green are (from top to bottom): Green nonsulfur bacteria, Green sulfur bacteria, Cyan, The bacterial phylogeny above indicates that: Cyanobacteria is more closely related to Heliobacteria than gram-positive bacteria. All bacteria do not share a common ancestor. Photosynthesis (lineages in green) may have emerged as a result of Horizontal Gene Transfer. Photosynthetic lineages (in green) are examples of endosymbiosis.
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