Fecal sample collection methods and time of day impact microbiome composition and short chain fatty acid concentrations

Associations between the human gut microbiome and health outcomes continues to be of great interest, although fecal sample collection methods which impact microbiome studies are sometimes neglected. Here, we expand on previous work in sample optimization, to promote high quality microbiome data. To...

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Main Authors: Jones, Jacquelyn, Reinke, S.N., Ali, Alishum, Palmer, D.J., Christophersen, Claus
Format: Journal Article
Language:English
Published: NATURE PORTFOLIO 2021
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/86462
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author Jones, Jacquelyn
Reinke, S.N.
Ali, Alishum
Palmer, D.J.
Christophersen, Claus
author_facet Jones, Jacquelyn
Reinke, S.N.
Ali, Alishum
Palmer, D.J.
Christophersen, Claus
author_sort Jones, Jacquelyn
building Curtin Institutional Repository
collection Online Access
description Associations between the human gut microbiome and health outcomes continues to be of great interest, although fecal sample collection methods which impact microbiome studies are sometimes neglected. Here, we expand on previous work in sample optimization, to promote high quality microbiome data. To compare fecal sample collection methods, amplicons from the bacterial 16S rRNA gene (V4) and fungal (ITS2) region, as well as short chain fatty acid (SCFA) concentrations were determined in fecal material over three timepoints. We demonstrated that spot sampling of stool results in variable detection of some microbial members, and inconsistent levels of SCFA; therefore, sample homogenization prior to subsequent analysis or subsampling is recommended. We also identify a trend in microbial and metabolite composition that shifts over two consecutive stool collections less than 25 h apart. Lastly, we show significant differences in bacterial composition that result from collecting stool samples in OMNIgene·Gut tube (DNA Genotec) or Stool Nucleic Acid Collection and Preservation Tube (NORGEN) compared to immediate freezing. To assist with planning fecal sample collection and storage procedures for microbiome investigations with multiple analyses, we recommend participants to collect the first full bowel movement of the day and freeze the sample immediately after collection.
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institution Curtin University Malaysia
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spelling curtin-20.500.11937-864622021-11-29T09:09:15Z Fecal sample collection methods and time of day impact microbiome composition and short chain fatty acid concentrations Jones, Jacquelyn Reinke, S.N. Ali, Alishum Palmer, D.J. Christophersen, Claus Science & Technology Multidisciplinary Sciences Science & Technology - Other Topics STOOL FORM FREQUENCY Associations between the human gut microbiome and health outcomes continues to be of great interest, although fecal sample collection methods which impact microbiome studies are sometimes neglected. Here, we expand on previous work in sample optimization, to promote high quality microbiome data. To compare fecal sample collection methods, amplicons from the bacterial 16S rRNA gene (V4) and fungal (ITS2) region, as well as short chain fatty acid (SCFA) concentrations were determined in fecal material over three timepoints. We demonstrated that spot sampling of stool results in variable detection of some microbial members, and inconsistent levels of SCFA; therefore, sample homogenization prior to subsequent analysis or subsampling is recommended. We also identify a trend in microbial and metabolite composition that shifts over two consecutive stool collections less than 25 h apart. Lastly, we show significant differences in bacterial composition that result from collecting stool samples in OMNIgene·Gut tube (DNA Genotec) or Stool Nucleic Acid Collection and Preservation Tube (NORGEN) compared to immediate freezing. To assist with planning fecal sample collection and storage procedures for microbiome investigations with multiple analyses, we recommend participants to collect the first full bowel movement of the day and freeze the sample immediately after collection. 2021 Journal Article http://hdl.handle.net/20.500.11937/86462 10.1038/s41598-021-93031-z English http://creativecommons.org/licenses/by/4.0/ NATURE PORTFOLIO fulltext
spellingShingle Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
STOOL FORM
FREQUENCY
Jones, Jacquelyn
Reinke, S.N.
Ali, Alishum
Palmer, D.J.
Christophersen, Claus
Fecal sample collection methods and time of day impact microbiome composition and short chain fatty acid concentrations
title Fecal sample collection methods and time of day impact microbiome composition and short chain fatty acid concentrations
title_full Fecal sample collection methods and time of day impact microbiome composition and short chain fatty acid concentrations
title_fullStr Fecal sample collection methods and time of day impact microbiome composition and short chain fatty acid concentrations
title_full_unstemmed Fecal sample collection methods and time of day impact microbiome composition and short chain fatty acid concentrations
title_short Fecal sample collection methods and time of day impact microbiome composition and short chain fatty acid concentrations
title_sort fecal sample collection methods and time of day impact microbiome composition and short chain fatty acid concentrations
topic Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
STOOL FORM
FREQUENCY
url http://hdl.handle.net/20.500.11937/86462