- autotrophic bacterium
- a bacterium that has no organic nutritional requirements; none of these are pathogenic.
Medical dictionary. 2011.
Medical dictionary. 2011.
Bacterium — A single celled microorganism which can exist either as an independent (free living) organism or as a parasite (dependent upon another organism for life). Examples include: {{}}Acidophilus, a normal inhabitant of yogurt, Chlamydia, which causes… … Medical dictionary
bacterium — noun (plural bacteria) Etymology: New Latin, from Greek baktērion staff Date: circa 1849 any of a domain (Bacteria) of prokaryotic round, spiral, or rod shaped single celled microorganisms that may lack cell walls or are gram positive or gram… … New Collegiate Dictionary
photoautotrophic bacterium — an autotrophic bacterium capable of deriving energy from light … Medical dictionary
chemoautotrophic bacterium — a bacterium that is autotrophic and obtains energy by the oxidation of inorganic compounds of iron, nitrogen, sulfur, or hydrogen; none of these are pathogenic … Medical dictionary
purple sulfur bacterium — a photosynthetic, autotrophic, anaerobic bacterium of the family Chromatiaceae. Purple sulfur bacteria reduce carbon dioxide and oxidize sulfides and elemental sulfur in the presence of the pigment bacteriochlorophyll a or b … Medical dictionary
bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom … Universalium
Microbial metabolism — is the means by which a microbe obtains the energy and nutrients (e.g. carbon) it needs to live and reproduce. Microbes use many different types of metabolic strategies and species can often be differentiated from each other based on metabolic… … Wikipedia
Ralstonia eutropha — Scientific classification Kingdom: Bacteria Phylum: Proteobacteria Class: Beta Proteobacteria … Wikipedia
Bacteria — Taxobox color = lightgrey name = Bacteria fossil range = Archean or earlier Recent image width = 210px image caption = Escherichia coli image is 8 micrometres wide. domain = Bacteria subdivision ranks = Phyla [cite web… … Wikipedia
microbiology — microbiological /muy kroh buy euh loj i keuhl/, microbiologic, adj. microbiologically, adv. microbiologist, n. /muy kroh buy ol euh jee/, n. the branch of biology dealing with the structure, function, uses, and modes of existence of microscopic… … Universalium