ISO 17601:2016

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Soil quality — Estimation of abundance of selected microbial gene sequences by quantitative PCR from DNA directly extracted from soil

Published By	Publication Date	Number of Pages
ISO	2016-01	38

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Categories: 13.080.30 - Biological properties of soils, ISO

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Description

ISO 17601:2016 specifies the crucial steps of a quantitative real-time polymerase chain reaction (qPCR) method to measure the abundance of selected microbial gene sequences from soil DNA extract which provides an estimation of selected microbial groups.

It is noteworthy that the number of genes is not necessarily directly linked to the number of organisms that are measured. For example, the number of ribosomal operon is ranging from one copy to 20 copies in different bacterial phyla. Therefore, the number of 16S rRNA sequences quantified from soil DNA extracts does not give an exact estimate of the number of soil bacteria. Furthermore, the number of sequences is not necessarily linked to living microorganisms and can comprise sequences amplified from dead microorganisms.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	2016-01
Pages Count	38
Language	France
Edition	1
File Size	839.7 KB
ICS Codes	13.080.30 - Biological properties of soils

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ISO 17601:2016

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