Changes in the Gut Microbiome and Predicted Functional Metabolic Effects in an Australian Parkinson’s Disease Cohort

Background: There has been increasing recognition of the importance of the gut microbiome in Parkinson’s disease (PD), but the influence of geographic location has received little attention. The present study characterized the gut microbiota and associated changes in host metabolic pathways in an Au...

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Main Authors: Jade E. Kenna, Eng Guan Chua, Megan Bakeberg, Alfred Tay, Sarah McGregor, Anastazja Gorecki, Malcolm Horne, Barry Marshall, Frank L. Mastaglia, Ryan S. Anderton
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-10-01
Series:Frontiers in Neuroscience
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnins.2021.756951/full
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author Jade E. Kenna
Jade E. Kenna
Jade E. Kenna
Jade E. Kenna
Eng Guan Chua
Eng Guan Chua
Megan Bakeberg
Megan Bakeberg
Alfred Tay
Alfred Tay
Sarah McGregor
Anastazja Gorecki
Anastazja Gorecki
Malcolm Horne
Malcolm Horne
Barry Marshall
Barry Marshall
Frank L. Mastaglia
Frank L. Mastaglia
Ryan S. Anderton
Ryan S. Anderton
Ryan S. Anderton
author_facet Jade E. Kenna
Jade E. Kenna
Jade E. Kenna
Jade E. Kenna
Eng Guan Chua
Eng Guan Chua
Megan Bakeberg
Megan Bakeberg
Alfred Tay
Alfred Tay
Sarah McGregor
Anastazja Gorecki
Anastazja Gorecki
Malcolm Horne
Malcolm Horne
Barry Marshall
Barry Marshall
Frank L. Mastaglia
Frank L. Mastaglia
Ryan S. Anderton
Ryan S. Anderton
Ryan S. Anderton
author_sort Jade E. Kenna
collection DOAJ
description Background: There has been increasing recognition of the importance of the gut microbiome in Parkinson’s disease (PD), but the influence of geographic location has received little attention. The present study characterized the gut microbiota and associated changes in host metabolic pathways in an Australian cohort of people with PD (PwP).Methods: The study involved recruitment and assessment of 87 PwP from multiple Movement Disorders Clinics in Australia and 47 healthy controls. Illumina sequencing of the V3 and V4 regions of the 16S rRNA gene was used to distinguish inter-cohort differences in gut microbiota; KEGG analysis was subsequently performed to predict functional changes in host metabolic pathways.Results: The current findings identified significant differences in relative abundance and diversity of microbial operational taxonomic units (OTUs), and specific bacterial taxa between PwP and control groups. Alpha diversity was significantly reduced in PwP when compared to controls. Differences were found in two phyla (Synergistetes and Proteobacteria; both increased in PwP), and five genera (Colidextribacter, Intestinibacter, Kineothrix, Agathobaculum, and Roseburia; all decreased in PwP). Within the PD cohort, there was no association identified between microbial composition and gender, constipation or use of gastrointestinal medication. Furthermore, KEGG analysis identified 15 upregulated and 11 downregulated metabolic pathways which were predicted to be significantly altered in PwP.Conclusion: This study provides the first comprehensive characterization of the gut microbiome and predicted functional metabolic effects in a southern hemisphere PD population, further exploring the possible mechanisms whereby the gut microbiota may exert their influence on this disease, and providing evidence for the incorporation of such data in future individualized therapeutic strategies.
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spelling doaj.art-394bda038c6b4117bac8e9330fc900192022-12-21T19:12:45ZengFrontiers Media S.A.Frontiers in Neuroscience1662-453X2021-10-011510.3389/fnins.2021.756951756951Changes in the Gut Microbiome and Predicted Functional Metabolic Effects in an Australian Parkinson’s Disease CohortJade E. Kenna0Jade E. Kenna1Jade E. Kenna2Jade E. Kenna3Eng Guan Chua4Eng Guan Chua5Megan Bakeberg6Megan Bakeberg7Alfred Tay8Alfred Tay9Sarah McGregor10Anastazja Gorecki11Anastazja Gorecki12Malcolm Horne13Malcolm Horne14Barry Marshall15Barry Marshall16Frank L. Mastaglia17Frank L. Mastaglia18Ryan S. Anderton19Ryan S. Anderton20Ryan S. Anderton21School of Medicine, The University of Western Australia, Nedlands, WA, AustraliaCentre for Neuromuscular and Neurological Disorders, The University of Western Australia, Nedlands, WA, AustraliaCentre for Clinical Neurosciences and Neurological Research, St. Vincent’s Hospital Melbourne, Fitzroy, VIC, AustraliaPerron Institute for Neurological and Translational Science, Nedlands, WA, AustraliaSchool of Biological Sciences, The University of Western Australia, Crawley, WA, AustraliaMarshall Centre for Infectious Diseases Research and Training, The University of Western Australia, Nedlands, WA, AustraliaCentre for Neuromuscular and Neurological Disorders, The University of Western Australia, Nedlands, WA, AustraliaSchool of Medicine, University of Notre Dame Australia, Fremantle, WA, AustraliaSchool of Biological Sciences, The University of Western Australia, Crawley, WA, AustraliaMarshall Centre for Infectious Diseases Research and Training, The University of Western Australia, Nedlands, WA, AustraliaCentre for Clinical Neurosciences and Neurological Research, St. Vincent’s Hospital Melbourne, Fitzroy, VIC, AustraliaPerron Institute for Neurological and Translational Science, Nedlands, WA, AustraliaSchool of Biological Sciences, The University of Western Australia, Crawley, WA, AustraliaCentre for Clinical Neurosciences and Neurological Research, St. Vincent’s Hospital Melbourne, Fitzroy, VIC, AustraliaFlorey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, AustraliaSchool of Biological Sciences, The University of Western Australia, Crawley, WA, AustraliaMarshall Centre for Infectious Diseases Research and Training, The University of Western Australia, Nedlands, WA, AustraliaCentre for Neuromuscular and Neurological Disorders, The University of Western Australia, Nedlands, WA, AustraliaPerron Institute for Neurological and Translational Science, Nedlands, WA, AustraliaCentre for Neuromuscular and Neurological Disorders, The University of Western Australia, Nedlands, WA, AustraliaInstitute for Health Research, University of Notre Dame Australia, Fremantle, WA, Australia0School of Nursing, Midwifery, Health Sciences and Physiotherapy, The University of Notre Dame Australia, Fremantle, WA, AustraliaBackground: There has been increasing recognition of the importance of the gut microbiome in Parkinson’s disease (PD), but the influence of geographic location has received little attention. The present study characterized the gut microbiota and associated changes in host metabolic pathways in an Australian cohort of people with PD (PwP).Methods: The study involved recruitment and assessment of 87 PwP from multiple Movement Disorders Clinics in Australia and 47 healthy controls. Illumina sequencing of the V3 and V4 regions of the 16S rRNA gene was used to distinguish inter-cohort differences in gut microbiota; KEGG analysis was subsequently performed to predict functional changes in host metabolic pathways.Results: The current findings identified significant differences in relative abundance and diversity of microbial operational taxonomic units (OTUs), and specific bacterial taxa between PwP and control groups. Alpha diversity was significantly reduced in PwP when compared to controls. Differences were found in two phyla (Synergistetes and Proteobacteria; both increased in PwP), and five genera (Colidextribacter, Intestinibacter, Kineothrix, Agathobaculum, and Roseburia; all decreased in PwP). Within the PD cohort, there was no association identified between microbial composition and gender, constipation or use of gastrointestinal medication. Furthermore, KEGG analysis identified 15 upregulated and 11 downregulated metabolic pathways which were predicted to be significantly altered in PwP.Conclusion: This study provides the first comprehensive characterization of the gut microbiome and predicted functional metabolic effects in a southern hemisphere PD population, further exploring the possible mechanisms whereby the gut microbiota may exert their influence on this disease, and providing evidence for the incorporation of such data in future individualized therapeutic strategies.https://www.frontiersin.org/articles/10.3389/fnins.2021.756951/fullParkinson’s diseasegut microbiome16Sgut bacteriaKEGG
spellingShingle Jade E. Kenna
Jade E. Kenna
Jade E. Kenna
Jade E. Kenna
Eng Guan Chua
Eng Guan Chua
Megan Bakeberg
Megan Bakeberg
Alfred Tay
Alfred Tay
Sarah McGregor
Anastazja Gorecki
Anastazja Gorecki
Malcolm Horne
Malcolm Horne
Barry Marshall
Barry Marshall
Frank L. Mastaglia
Frank L. Mastaglia
Ryan S. Anderton
Ryan S. Anderton
Ryan S. Anderton
Changes in the Gut Microbiome and Predicted Functional Metabolic Effects in an Australian Parkinson’s Disease Cohort
Frontiers in Neuroscience
Parkinson’s disease
gut microbiome
16S
gut bacteria
KEGG
title Changes in the Gut Microbiome and Predicted Functional Metabolic Effects in an Australian Parkinson’s Disease Cohort
title_full Changes in the Gut Microbiome and Predicted Functional Metabolic Effects in an Australian Parkinson’s Disease Cohort
title_fullStr Changes in the Gut Microbiome and Predicted Functional Metabolic Effects in an Australian Parkinson’s Disease Cohort
title_full_unstemmed Changes in the Gut Microbiome and Predicted Functional Metabolic Effects in an Australian Parkinson’s Disease Cohort
title_short Changes in the Gut Microbiome and Predicted Functional Metabolic Effects in an Australian Parkinson’s Disease Cohort
title_sort changes in the gut microbiome and predicted functional metabolic effects in an australian parkinson s disease cohort
topic Parkinson’s disease
gut microbiome
16S
gut bacteria
KEGG
url https://www.frontiersin.org/articles/10.3389/fnins.2021.756951/full
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