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  2. Heliobacteria - Wikipedia

    en.wikipedia.org/wiki/Heliobacteria

    The heliobacteria are phototrophic: they convert light energy into chemical energy using a type I reaction center. [6] [7] The primary pigment involved is bacteriochlorophyll g, which is unique to the group and has a unique absorption spectrum; this gives the heliobacteria their own environmental niche. [5]

  3. Thiomargarita namibiensis - Wikipedia

    en.wikipedia.org/wiki/Thiomargarita_namibiensis

    The most bacteria were obtained from the upper 3cm of sediment in the sample, with concentrations decreasing exponentially past this point. [18] Here, Thiomargarita namibiensis is easily suspended in moving ocean currents due to the sheath around the cells, which makes it easy for the bacteria to passively float. [ 19 ]

  4. Nitrifying bacteria - Wikipedia

    en.wikipedia.org/wiki/Nitrifying_bacteria

    Nitrifying bacteria are chemolithotrophic organisms that include species of genera such as Nitrosomonas, Nitrosococcus, Nitrobacter, Nitrospina, Nitrospira and Nitrococcus. These bacteria get their energy from the oxidation of inorganic nitrogen compounds . [ 1 ]

  5. Oxidative phosphorylation - Wikipedia

    en.wikipedia.org/wiki/Oxidative_phosphorylation

    The two components of the proton-motive force are thermodynamically equivalent: In mitochondria, the largest part of energy is provided by the potential; in alkaliphile bacteria the electrical energy even has to compensate for a counteracting inverse pH difference.

  6. Phototroph - Wikipedia

    en.wikipedia.org/wiki/Phototroph

    Photoautotrophs are capable of synthesizing their own food from inorganic substances using light as an energy source. Green plants and photosynthetic bacteria are photoautotrophs. Photoautotrophic organisms are sometimes referred to as holophytic .

  7. Cyanobacteria - Wikipedia

    en.wikipedia.org/wiki/Cyanobacteria

    The thylakoids of cyanobacteria use the energy of sunlight to drive photosynthesis, a process where the energy of light is used to synthesize organic compounds from carbon dioxide. Because they are aquatic organisms, they typically employ several strategies which are collectively known as a "CO 2 concentrating mechanism" to aid in the ...

  8. Electric bacteria - Wikipedia

    en.wikipedia.org/wiki/Electric_bacteria

    Electric bacteria are forms of bacteria that directly consume and excrete electrons at different energy potentials without requiring the metabolization of any sugars or other nutrients. [1] This form of life appears to be especially adapted to low-oxygen environments. Most life forms require an oxygen environment in which to release the excess ...

  9. Iron-oxidizing bacteria - Wikipedia

    en.wikipedia.org/wiki/Iron-oxidizing_bacteria

    The anoxygenic phototrophic iron oxidation was the first anaerobic metabolism to be described within the iron anaerobic oxidation metabolism. The photoferrotrophic bacteria use Fe 2+ as electron donor and the energy from light to assimilate CO 2 into biomass through the Calvin Benson-Bassam cycle (or rTCA cycle) in a neutrophilic environment (pH 5.5-7.2), producing Fe 3+ oxides as a waste ...

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