chemoautotroph

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chemoautotroph

[‚kē·mō‚ȯd·ə′träf·ik]
(microbiology)
Any of a number of autotrophic bacteria and protozoans which do not carry out photosynthesis.
References in periodicals archive ?
In this study, the double domain BMC protein CsoS1D from the chemoautotrophic sulfur bacterium Halothiobacillus neapolitanus was expressed recombinantly and used to generate a polyclonal antibody.
Chemoautotrophic microbes (bacteria and archaea) have been found in deep-ocean sediments and at hydrothermal vents, where hot water flows out through newly formed volcanic rock at mid-ocean ridges.
Evidence for chemoautotrophic symbiosis in a Mediterranean cold seep clam (Bivalvia: Lucinidae): comparative sequence analysis of bacterial 16S rRNA, APS reductase and RubisCO genes.
Robinson (2005) notes that the earliest and most basic forms of life forms are the Archaea (most chemoautotrophic single-celled organisms which are very resistant and can thrive in harsh conditions), Bacteria (single-celled organisms with complex cell walls) and Eukaryotes (organisms made up of cells with nuclei, that is, their DNA is walled off in a separate compartment of the cell).
Russell, "On the Origins of Cells: A Hypothesis for the Evolutionary Transitions from Abiotic Geochemistry to Chemoautotrophic Prokaryotes, and from Prokaryotes to Nucleated Cells," Philosophical Transactions of the Royal Society B: Biological Sciences 358 (2003): 59-85.
Chemoautotrophic activity and nitrification in the oxygen minimum zone off Peru.
Studies on the chemoautotrophic iron bacterium Ferrobacillus ferrooxidans : an improved medium and a harvesting procedure for securing high cell yields.
There is extensive bibliography concerning prokaryotes in mining environments, such as the chemoautotrophic Acidothiobacillus ferrooxidans and other acidophilic Bacteria and Archeaon microorganisms (Evangelou and Zhang, 1995; Ehrlich, 1996; Banfield et al, 2000; Benner et al, 2000; Bond and Greg, 2000; Robbins, 2000; Johnson et al.
Such a subsurface habitat could support the sort of anaerobic chemoautotrophic life that has been found on Earth.
Consequently, since we had found that chemoautotrophic nitrification was the predominant nitrifying process in these acid pasture soils (Islam et al.
by chemoautotrophic bacteria such as Nitrosomonas and the N[O.