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Updated: Jul 8, 2026

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Reprogramming Primary Amniotic Fluid and Membrane Cells to Pluripotency in Xeno-free Conditions
Published on: November 27, 2017
Prevotella amnii sp. nov., isolated from human amniotic fluid
Paul A Lawson1, Edward Moore, Enevold Falsen
1Department of Botany and Microbiology, University of Oklahoma, Norman, OK 73019-0245, USA. paul.lawson@ou.edu
Summary
Researchers identified a new bacterial species, Prevotella amnii, from human amniotic fluid. This discovery expands our understanding of anaerobic bacteria and their potential role in clinical infections.
Area of Science:
- Microbiology
- Bacterial Taxonomy
- Genomics
Background:
- Human amniotic fluid harbors diverse microbial communities.
- Accurate identification of bacterial species is crucial for understanding infections.
Purpose of the Study:
- To characterize and classify novel bacterial isolates from human amniotic fluid.
- To determine the phylogenetic relationship of these isolates to known Prevotella species.
Main Methods:
- Morphological and biochemical characterization of bacterial strains.
- 16S rRNA gene sequencing for phylogenetic analysis.
- Fatty acid profiling for chemotaxonomic analysis.
Main Results:
- Two novel Gram-negative, anaerobic, rod-shaped bacteria were isolated.
- 16S rRNA gene sequencing confirmed placement within the Prevotella genus, with >4% divergence from known species.
- Phylogenetic analysis indicated close relation to Prevotella bivia.
- Fatty acid profiles were determined for the novel species.
Conclusions:
- The isolates represent a novel species, Prevotella amnii sp. nov.
- Prevotella amnii is proposed as a new species within the Prevotella genus.
- The type strain is CCUG 53648(T).
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