Validation of GUt Low Density Array (GULDA), a novel qPCR approach to the study of the intestinal microbial ecosystem

Anders Bergström, Tine Rask Licht, Martin Iain Bahl

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Abstract

Causal relationships between the vast numbers of bacterial species present in the human intestines contain a lot of potential information on the regulation of the gut in the healthy as well as in diseased states. Based on the hypothesis that the human gut microbiota constitutes a dynamic ecosystem, interesting correlations between the presences of the given species should exist at any time. In order to analyze this, we have developed GULDA, a cheap, flexible, reliable and high throughput qPCR-based gut low-density array (GULDA), which simultaneously gives the quantities of approximately 40 different selected bacterial 16S rRNA targets on all relevant phylogenetic levels in a given sample of DNA. In comparison to other strategies e.g. metagenomic sequencing and microarrays, GULDA focuses on selected targets only and requires only little complex bioinformactical post-processing.
Given the setup, where one standard qPCR program is used for ~40 primer sets, validation is important. We present here strategies involved in verification of GULDA as a valid tool for analysis of the human gut microbiota.
Original languageEnglish
Publication date2012
Number of pages1
Publication statusPublished - 2012
Event7th Danish Conference on Biotechnology and Molecular Biology: Microbial Communities in Biotechnology, Health and Biomedicine - Hotel Munkebjerg, Vejle, Denmark
Duration: 24 May 201225 May 2012
Conference number: 7
http://www.biokemi.org/meetings/67

Conference

Conference7th Danish Conference on Biotechnology and Molecular Biology
Number7
LocationHotel Munkebjerg
CountryDenmark
CityVejle
Period24/05/201225/05/2012
Internet address

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