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Zeamer AL, Salive MC, An X, Beaudoin FL, House SL, Stevens JS, Zeng D, Neylan TC, Clifford GD, Linnstaedt SD, Rauch SL, Storrow AB, Lewandowski C, Musey PI, Hendry PL, Sheikh S, Jones CW, Punches BE, Swor RA, Hudak LA, Pascual JL, Seamon MJ, Harris E, Pearson C, Peak DA, Merchant RC, Domeier RM, Rathlev NK, O'Neil BJ, Sergot P, Sanchez LD, Bruce SE, Kessler RC, Koenen KC, McLean SA, Bucci V, Haran JP. Association between microbiome and the development of adverse posttraumatic neuropsychiatric sequelae after traumatic stress exposure. Transl Psychiatry 2023; 13:354. [PMID: 37980332 PMCID: PMC10657470 DOI: 10.1038/s41398-023-02643-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 10/20/2023] [Accepted: 10/30/2023] [Indexed: 11/20/2023] Open
Abstract
Patients exposed to trauma often experience high rates of adverse post-traumatic neuropsychiatric sequelae (APNS). The biological mechanisms promoting APNS are currently unknown, but the microbiota-gut-brain axis offers an avenue to understanding mechanisms as well as possibilities for intervention. Microbiome composition after trauma exposure has been poorly examined regarding neuropsychiatric outcomes. We aimed to determine whether the gut microbiomes of trauma-exposed emergency department patients who develop APNS have dysfunctional gut microbiome profiles and discover potential associated mechanisms. We performed metagenomic analysis on stool samples (n = 51) from a subset of adults enrolled in the Advancing Understanding of RecOvery afteR traumA (AURORA) study. Two-, eight- and twelve-week post-trauma outcomes for post-traumatic stress disorder (PTSD) (PTSD checklist for DSM-5), normalized depression scores (PROMIS Depression Short Form 8b) and somatic symptom counts were collected. Generalized linear models were created for each outcome using microbial abundances and relevant demographics. Mixed-effect random forest machine learning models were used to identify associations between APNS outcomes and microbial features and encoded metabolic pathways from stool metagenomics. Microbial species, including Flavonifractor plautii, Ruminococcus gnavus and, Bifidobacterium species, which are prevalent commensal gut microbes, were found to be important in predicting worse APNS outcomes from microbial abundance data. Notably, through APNS outcome modeling using microbial metabolic pathways, worse APNS outcomes were highly predicted by decreased L-arginine related pathway genes and increased citrulline and ornithine pathways. Common commensal microbial species are enriched in individuals who develop APNS. More notably, we identified a biological mechanism through which the gut microbiome reduces global arginine bioavailability, a metabolic change that has also been demonstrated in the plasma of patients with PTSD.
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Affiliation(s)
- Abigail L Zeamer
- Department of Microbiology and Physiologic Systems, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Marie-Claire Salive
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Xinming An
- Institute for Trauma Recovery, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Francesca L Beaudoin
- Department of Epidemiology, Brown University, Providence, RI, USA
- Department of Emergency Medicine, Brown University, Providence, RI, USA
| | - Stacey L House
- Department of Emergency Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Jennifer S Stevens
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
| | - Donglin Zeng
- Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - Thomas C Neylan
- Departments of Psychiatry and Neurology, University of California San Francisco, San Francisco, CA, USA
| | - Gari D Clifford
- Department of Biomedical Informatics, Emory University School of Medicine, Atlanta, GA, USA
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Sarah D Linnstaedt
- Institute for Trauma Recovery, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- The Many Brains Project, Belmont, MA, USA
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Scott L Rauch
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
- Institute for Technology in Psychiatry, McLean Hospital, Belmont, MA, USA
- Department of Psychiatry, McLean Hospital, Belmont, MA, USA
| | - Alan B Storrow
- Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | | | - Paul I Musey
- Department of Emergency Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Phyllis L Hendry
- Department of Emergency Medicine, University of Florida College of Medicine-Jacksonville, Jacksonville, FL, USA
| | - Sophia Sheikh
- Department of Emergency Medicine, University of Florida College of Medicine-Jacksonville, Jacksonville, FL, USA
| | - Christopher W Jones
- Department of Emergency Medicine, Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Brittany E Punches
- Department of Emergency Medicine, Ohio State University College of Medicine, Columbus, OH, USA
- Ohio State University College of Nursing, Columbus, OH, USA
| | - Robert A Swor
- Department of Emergency Medicine, Oakland University William Beaumont School of Medicine, Rochester, MI, USA
| | - Lauren A Hudak
- Department of Emergency Medicine, Emory University School of Medicine, Atlanta, GA, USA
| | - Jose L Pascual
- Department of Surgery, University of Pennsylvania, Philadelphia, PA, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Mark J Seamon
- Department of Surgery, University of Pennsylvania, Philadelphia, PA, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Erica Harris
- Department of Emergency Medicine, Einstein Medical Center, Philadelphia, PA, USA
| | - Claire Pearson
- Department of Emergency Medicine, Wayne State University, Ascension St. John Hospital, Detroit, MI, USA
| | - David A Peak
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Roland C Merchant
- Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Robert M Domeier
- Department of Emergency Medicine, Trinity Health-Ann Arbor, Ypsilanti, MI, USA
| | - Niels K Rathlev
- Department of Emergency Medicine, University of Massachusetts Medical School-Baystate, Springfield, MA, USA
| | - Brian J O'Neil
- Department of Emergency Medicine, Wayne State University, Detroit Receiving Hospital, Detroit, MI, USA
| | - Paulina Sergot
- Department of Emergency Medicine, McGovern Medical School at UTHealth, Houston, TX, USA
| | - Leon D Sanchez
- Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA, USA
- Department of Emergency Medicine, Harvard Medical School, Boston, MA, USA
| | - Steven E Bruce
- Department of Psychological Sciences, University of Missouri - St. Louis, St. Louis, MO, USA
| | - Ronald C Kessler
- Department of Health Care Policy, Harvard Medical School, Boston, MA, USA
| | | | - Samuel A McLean
- Department of Emergency Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Vanni Bucci
- Department of Microbiology and Physiologic Systems, University of Massachusetts Chan Medical School, Worcester, MA, USA.
- Program in Microbiome Dynamics, University of Massachusetts Chan Medical School, Worcester, MA, USA.
| | - John P Haran
- Department of Microbiology and Physiologic Systems, University of Massachusetts Chan Medical School, Worcester, MA, USA.
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA.
- Program in Microbiome Dynamics, University of Massachusetts Chan Medical School, Worcester, MA, USA.
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Zmerli O, Bellali S, Haddad G, Hisada A, Ominami Y, Raoult D, Bou Khalil J. Rapid microbial viability assay using scanning electron microscopy: a proof-of-concept using Phosphotungstic acid staining. Comput Struct Biotechnol J 2023; 21:3627-3638. [PMID: 37501704 PMCID: PMC10371768 DOI: 10.1016/j.csbj.2023.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/27/2023] [Accepted: 07/09/2023] [Indexed: 07/29/2023] Open
Abstract
Multiple stains have been historically utilized in electron microscopy to provide proper contrast and superior image quality enabling the discovery of ultrastructures. However, the use of these stains in microbiological viability assessment has been limited. Phosphotungstic acid (PTA) staining is a common negative stain used in scanning electron microscopy (SEM). Here, we investigate the feasibility of a new SEM-PTA assay, aiming to determine both viable and dead microbes. The optimal sample preparation was established by staining bacteria with different PTA concentrations and incubation times. Once the assay conditions were set, we applied the protocol to various samples, evaluating bacterial viability under different conditions, and comparing SEM-PTA results to culture. The five minutes 10% PTA staining exhibited a strong distinction between viable micro-organisms perceived as hypo-dense, and dead micro-organisms displaying intense internal staining which was confirmed by high Tungsten (W) peak on the EDX spectra. SEM-PTA viability count after freezing, freeze-drying, or oxygen exposure, were concordant with culture. To our knowledge, this study is the first contribution towards PTA staining of live and dead bacteria. The SEM-PTA strategy demonstrated the feasibility of a rapid, cost-effective and efficient viability assay, presenting an open-view of the sample, and providing a potentially valuable tool for applications in microbiome investigations and antimicrobial susceptibility testing.
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Affiliation(s)
- Omar Zmerli
- Institut Hospitalo-Universitaire Méditerranée Infection 19-21 Boulevard Jean Moulin 13005 Marseille, France
- Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), UMR Microbes Evolution Phylogeny and Infections (MEPHI), Marseille, France
| | - Sara Bellali
- Institut Hospitalo-Universitaire Méditerranée Infection 19-21 Boulevard Jean Moulin 13005 Marseille, France
| | - Gabriel Haddad
- Institut Hospitalo-Universitaire Méditerranée Infection 19-21 Boulevard Jean Moulin 13005 Marseille, France
- Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), UMR Microbes Evolution Phylogeny and Infections (MEPHI), Marseille, France
| | - Akiko Hisada
- Hitachi, Ltd. Research & Development Group, 2520, Akanuma, Hatoyama, Saitama, 350- 0395, Japan
| | - Yusuke Ominami
- Hitachi High-Tech Corporation, 882 Ichige, Hitachinaka-shi, Ibaraki-ken 312-8504, Japan
| | | | - Jacques Bou Khalil
- Institut Hospitalo-Universitaire Méditerranée Infection 19-21 Boulevard Jean Moulin 13005 Marseille, France
- Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), UMR Microbes Evolution Phylogeny and Infections (MEPHI), Marseille, France
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Cui Y, Zhang L, Wang X, Yi Y, Shan Y, Liu B, Zhou Y, Lü X. Roles of intestinal Parabacteroides in human health and diseases. FEMS Microbiol Lett 2022; 369:6659190. [PMID: 35945336 DOI: 10.1093/femsle/fnac072] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 06/09/2022] [Accepted: 08/05/2022] [Indexed: 11/13/2022] Open
Abstract
The stability of gut microbiota is essential for the host health. Parabacteroides spp., core members of the human gut microbiota, have average abundance of 1.27% in the human of 12 populations. Parabacteroides has been recently reported to have a close relationship with host health (E.g., metabolic syndrome, inflammatory bowel disease and obesity). Parabacteroides have the physiological characteristics of carbohydrate metabolism and secreting SCFAs. However, antimicrobial resistance of Parabacteroides to antibiotic (such as clindamycin, moxifloxacin and cefoxitin) should not be ignored. In this review, we primarily focused on Parabacteroides distasoniss, Parabacteroides goldsteinii, Parabacteroides johnsonii and Parabacteroides merdae and discussed their relationships with host disease, diet and the prevention or induction of diseases. P. distasonis and P. goldsteinii may be viewed as the potential next generation probiotics (NGP) candidate due to their protective effects on inflammation and obesity in mice. We also discussed the potential therapeutic application of Parabacteroides spp. in maintaining host-intestine homeostasis.
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Affiliation(s)
- Yanlong Cui
- Lab of Bioresources, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Leshan Zhang
- Lab of Bioresources, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Xin Wang
- Lab of Bioresources, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Yanglei Yi
- Lab of Bioresources, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Yuanyuan Shan
- Lab of Bioresources, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Bianfang Liu
- Lab of Bioresources, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Yuan Zhou
- Lab of Bioresources, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Xin Lü
- Lab of Bioresources, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
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Ezeji JC, Sarikonda DK, Hopperton A, Erkkila HL, Cohen DE, Martinez SP, Cominelli F, Kuwahara T, Dichosa AEK, Good CE, Jacobs MR, Khoretonenko M, Veloo A, Rodriguez-Palacios A. Parabacteroides distasonis: intriguing aerotolerant gut anaerobe with emerging antimicrobial resistance and pathogenic and probiotic roles in human health. Gut Microbes 2022; 13:1922241. [PMID: 34196581 PMCID: PMC8253142 DOI: 10.1080/19490976.2021.1922241] [Citation(s) in RCA: 108] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Parabacteroides distasonis is the type strain for the genus Parabacteroides, a group of gram-negative anaerobic bacteria that commonly colonize the gastrointestinal tract of numerous species. First isolated in the 1930s from a clinical specimen as Bacteroides distasonis, the strain was re-classified to form the new genus Parabacteroides in 2006. Currently, the genus consists of 15 species, 10 of which are listed as 'validly named' (P. acidifaciens, P. chartae, P. chinchillae, P. chongii, P. distasonis, P. faecis, P. goldsteinii, P. gordonii, P. johnsonii, and P. merdae) and 5 'not validly named' (P. bouchesdurhonensis, P. massiliensis, P. pacaensis, P. provencensis, and P. timonensis) by the List of Prokaryotic names with Standing in Nomenclature. The Parabacteroides genus has been associated with reports of both beneficial and pathogenic effects in human health. Herein, we review the literature on the history, ecology, diseases, antimicrobial resistance, and genetics of this bacterium, illustrating the effects of P. distasonis on human and animal health.
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Affiliation(s)
- Jessica C. Ezeji
- Digestive Diseases Research Institute, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA,Division of Gastroenterology and Liver Disease, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Daven K. Sarikonda
- Digestive Diseases Research Institute, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA,Division of Gastroenterology and Liver Disease, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Austin Hopperton
- Digestive Diseases Research Institute, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA,Division of Gastroenterology and Liver Disease, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA,College of Medicine and Life Sciences, University of Toledo, Toledo, Ohio, USA
| | - Hailey L. Erkkila
- Digestive Diseases Research Institute, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA,Division of Gastroenterology and Liver Disease, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Daniel E. Cohen
- Digestive Diseases Research Institute, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA,Division of Gastroenterology and Liver Disease, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | | | - Fabio Cominelli
- Digestive Diseases Research Institute, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA,Division of Gastroenterology and Liver Disease, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA,Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA,Germ-Free and Gut Microbiome Core, Case Western Reserve University, Cleveland, OH, United States
| | - Tomomi Kuwahara
- Department of Microbiology, Faculty of Medicine, Kagawa University, Miki, Kagawa, Japan
| | - Armand E. K. Dichosa
- B-10 Biosecurity and Public Health, Los Alamos National Laboratory, Los Alamos, New Mexico, USA
| | - Caryn E. Good
- Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Michael R. Jacobs
- Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | | | - Alida Veloo
- University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Alexander Rodriguez-Palacios
- Digestive Diseases Research Institute, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA,Division of Gastroenterology and Liver Disease, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA,Germ-Free and Gut Microbiome Core, Case Western Reserve University, Cleveland, OH, United States,University Hospitals Research and Education Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA,CONTACT Alexander Rodriguez-Palacios Digestive Diseases Research Institute, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
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