nanobacterium

(redirected from Nannobacteria)
Also found in: Medical.

na·no·bac·te·ri·um

 (năn′ə-băk-tîr′ē-əm)
n. pl. na·no·bac·te·ri·a (-tîr′ē-ə)
A calcified, crystalline particle smaller than 200 nanometers in diameter (the diameter of the smallest bacteria), hypothesized to be a self-replicating microorganism that can cause pathogenic calcification, as in arteriosclerosis and kidney stones.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
(1993): SEM imaging of bacteria and nannobacteria in carbonate sediments and rocks.
and Lynch, F.: 1997, The possible role of nannobacteria (dwarf bacteria) in clay-mineral diagenesis and the importance of careful sample preparation in high-magnification SEM study.
The article presents a new attempt to discover a cause of the PC as a relationship between calcification of the placental tissues and presence of nannobacteria.
According to Folk, such nannobacteria are widespread and plentiful, and by precipitating various minerals, they may have had a major impact on geology.
Meanwhile, the ultra-small bacterial forms (nannobacteria) were found in other calcified sites--in kidney stones and in dental plaque.