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Notes on the almost unknown genus Jeotgalicoccus
K Schwaiger1, C Hölzel, M Mayer
1Chair of Animal Hygiene, Technische Universität München, Weihenstephaner Berg 3, 85354 Freising-Weihenstephan, Germany. Karin.Schwaiger@wzw.tum.de
Letters in Applied Microbiology
|February 17, 2010
Summary
This study introduces a new method for isolating and differentiating Jeotgalicoccus species, previously unknown bacteria found in dust. The developed technique aids in future research on these environmental bacteria.
Area of Science:
- Microbiology
- Environmental Science
Background:
- Jeotgalicoccus species are largely unknown and have been detected in dust samples.
- Cultivation of these bacteria is essential for understanding their virulence, pathogenicity, and metabolism.
Purpose of the Study:
- To develop a method for the isolation and differentiation of Jeotgalicoccus species.
- To enable further research into the characteristics of Jeotgalicoccus species.
Main Methods:
- Utilized SSCP-PCR (Single Strand Conformation Polymorphism-Polymerase Chain Reaction) analysis for initial detection.
- Developed a cultural isolation method using Baird Parker (BP) agar.
- Employed the OF test to differentiate from coagulase-negative Staphylococcus (CNS) species.
Main Results:
- Jeotgalicoccus species, including J. halotolerans, J. psychrophilus, J. marinus, and Salinicoccus roseus, form black colonies on BP agar.
- J. pinnipedialis and S. jeotgali exhibit weak growth on BP agar.
- All investigated Jeotgalicoccus and Salinicoccus species were unreactive in the OF test, distinguishing them from CNS.
- SSCP-PCR successfully differentiated all investigated Jeotgalicoccus and Salinicoccus species based on unique band positions.
Conclusions:
- Jeotgalicoccus and Salinicoccus species are likely widespread environmentally but have been overlooked or misidentified as staphylococci.
- The developed method provides a cost-effective and straightforward approach for epidemiological studies on Jeotgalicoccus species.
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