Laser MICROSAMPLING of soil microbial community

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Gorlenko, M.V.; Chutko, E.A.; Churbanova, E.S.; Minaev, N.V.; Kachesov, K.I. et al.: Laser MICROSAMPLING of soil microbial community. In: Journal of Biological Engineering 12 (2018), Nr. 1, 27. DOI: https://doi.org/10.1186/s13036-018-0117-4

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To cite the version in the repository, please use this identifier: https://doi.org/10.15488/4626

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Sum total of downloads: 110




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Abstract: 
Standard microorganism isolating technology applied for complex multiphase environmental samples such as soil or sediment needs pre-treatment steps to remove living cells from their mixed-phase microniche, by creating a liquid-phase sample. This process removes synergetic relationships, which help to maintain viability of yet-to-be-cultured and hard-to-culture bacteria. In this paper we demonstrate a high throughput Laser Micro-Sampling (LMS) technology for direct isolation of pure microbial cultures and microbial consortia from soil. This technology is based on laser printing of soil microparticles by focusing near-infrared laser pulses on specially prepared samples of a soil/gel mixture spread onto a gold-coated glass plate. Microsamples of soil are printed on glucose-peptone-yeast agar plates, to estimate the LMS process influence on functional and taxonomic microbial diversity, and on «Eco-log» sole carbon sources microplates, to investigate functional diversity by "metabolic fingerprinting". The obtained results are compared with traditionally treated soil samples. It was shown that LMS treatment leads to increasing of cultured biodiversity and modifies the functional diversity. The strain of rare genus Nonomuraea was isolated by LMS from complex natural environment without using media selective for this genus.
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2018
Appears in Collections:An-Institute

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pos. country downloads
total perc.
1 image of flag of Germany Germany 49 44.55%
2 image of flag of United States United States 20 18.18%
3 image of flag of Russian Federation Russian Federation 7 6.36%
4 image of flag of China China 6 5.45%
5 image of flag of Ireland Ireland 5 4.55%
6 image of flag of Indonesia Indonesia 5 4.55%
7 image of flag of No geo information available No geo information available 3 2.73%
8 image of flag of United Kingdom United Kingdom 3 2.73%
9 image of flag of Canada Canada 3 2.73%
10 image of flag of India India 1 0.91%
    other countries 8 7.27%

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