Cited by 1,040Gut microbiota and healthAutism Spectrum Disorder ResearchGastrointestinal motility and disorders

The DOI matches its Crossref record; 73 of the 73 references it cites were found in a registry or an index.

New evidences on the altered gut microbiota in autism spectrum disorders

Open access
Strati, Francesco, Cavalieri, Duccio, Albanese, Davide, De Felice, Claudio, Donati, Claudio, Hayek, Joussef, Jousson, Olivier, Leoncini, Silvia, Renzi, Daniela, Calabrò, Antonio, De Filippo, Carlotta·2017·Microbiome

Abstract

BACKGROUND: Autism spectrum disorders (ASDs) are neurodevelopmental conditions characterized by social and behavioural impairments. In addition to neurological symptoms, ASD subjects frequently suffer from gastrointestinal abnormalities, thus implying a role of the gut microbiota in ASD gastrointestinal pathophysiology. RESULTS: Here, we characterized the bacterial and fungal gut microbiota in a cohort of autistic individuals demonstrating the presence of an altered microbial community structure. A fraction of 90% of the autistic subjects were classified as severe ASDs. We found a significant increase in the Firmicutes/Bacteroidetes ratio in autistic subjects due to a reduction of the Bacteroidetes relative abundance. At the genus level, we observed a decrease in the relative abundance of Alistipes, Bilophila, Dialister, Parabacteroides, and Veillonella in the ASD cohort, while Collinsella, Corynebacterium, Dorea, and Lactobacillus were significantly increased. Constipation has been then associated with different bacterial patterns in autistic and neurotypical subjects, with constipated autistic individuals characterized by high levels of bacterial taxa belonging to Escherichia/Shigella and Clostridium cluster XVIII. We also observed that the relative abundance of the fungal genus Candida was more than double in the autistic than neurotypical subjects, yet due to a larger dispersion of values, this difference was only partially significant. CONCLUSIONS: The finding that, besides the bacterial gut microbiota, also the gut mycobiota contributes to the alteration of the intestinal microbial community structure in ASDs opens the possibility for new potential intervention strategies aimed at the relief of gastrointestinal symptoms in ASDs.

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Crossref · 10.1186/s40168-017-0242-1

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  • Alterations in the gut microbiota of individuals with ASD include imbalances in the abundance of Gram-negative bacteria involved in sulfur metabolism, such as an increased presence of Bilophila and a decreased abundance of Desulfovibrio.

    “Alterations in the gut microbiota of individuals with ASD, including imbalances in the abundance of Gram-negative bacteria involved in sulfur metabolism, such as an increased presence of Bilophila and a decreased abundance of Desulfovibrio, may affect the availability of sulfur metabolites and disrupt the biochemical homeostasis of the body [17,18].”
  • Studies suggest a potential increase in the prevalence of Lactobacillus in the fecal samples of patients diagnosed with ASD.

    “Additionally, studies suggest a potential increase in the prevalence of Lactobacillus in the fecal samples of patients diagnosed with ASD [8,18,50,96,97,98,102,103,106,109,110,111].”
  • The prevalence of bacteria from the genus Dorea is higher in patients with ASD in comparison to healthy individuals.

    “A recent study has shown that the prevalence of bacteria from the genus Dorea is higher in patients with ASD in comparison to healthy individuals [18,52].”
  • Independent studies have indicated a potential increase in the abundance of Collinsella, Eggerthella, Haemophilus, Klebsiella, and Phyllobacterium bacteria in the intestines of individuals diagnosed with ASD compared to the general population.

    “Furthermore, the findings of independent studies have indicated a potential increase in the abundance of Collinsella, Eggerthella, Haemophilus, Klebsiella, and Phyllobacterium bacteria in the intestines of individuals diagnosed with ASD compared to the general population [18,102,104,111].”
  • Recent scientific research studies have shown a lower prevalence of the bacteria Blautia, Dialister, and Bilophila in ASD.

    “Moreover, recent scientific research studies have shown a lower prevalence of the bacteria Blautia, Dialister, and Bilophila [18,103].”

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  1. Westfall PH, Young SS. Resampling-based multiple testing: examples and methods for p-value adjustment, vol. 279. New York: Wiley; 1993.
  2. Revelle W. psych: procedures for psychological, psychometric, and personality research, R package, vol. 10. 13th ed. Evanston: Northwestern University; 2013.

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Authors
Strati, F., Cavalieri, D., Albanese, D., De Felice, C., Donati, C., Hayek, J., Jousson, O., Leoncini, S., Renzi, D., Calabrò, A., & De Filippo, C.
Affiliations
  • Fondazione Edmund Mach (IT)
  • University of Florence (IT)
  • Azienda Ospedaliera Universitaria Senese (IT)
  • University of Trento (IT)
Venue
Microbiome
Published
2017-02-22
Volume
5
Issue
1
Pages
24-24
ISSN
2049-2618 (ISSN-L)
OpenAlex
W2589674438
Cited by
1,040
References
73
Citations by year
2026: 57 · 2025: 129 · 2024: 127 · 2023: 124 · 2022: 148 · 2021: 140 · 2020: 135 · 2019: 86 · 2018: 70 · 2017: 23
FWCI
35.17
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Microbiome (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Florence Research (University of Florence) (submittedVersion, other-oa)
  • Iris (University of Trento) (submittedVersion, cc-by)
  • CINECA IRIS Institutional Research Information System (Fondazione Edmund Mach) (submittedVersion, cc-by)
  • BOA (University of Milano-Bicocca) (submittedVersion, other-oa)
Funders
  • Fondazione Edmund Mach
  • Provincia Autonoma di Trento
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
Keywords
autism spectrum disorder, gut microbiota, gut mycobiome, Firmicutes/Bacteroidetes ratio, Bacteroidetes, constipation, Candida, Escherichia-Shigella, Lactobacillus, Parabacteroides, gastrointestinal symptoms, microbial community structure
MeSH terms
Autism Spectrum Disorder, Bacillota, Gastrointestinal Microbiome, Mycobiome, Adolescent, Bacteria, Child, Child, Preschool, Clostridium, Constipation, Feces, Female, Fungi, Gastrointestinal Diseases, Humans, Lactobacillus, Male, Gastrointestinal Tract

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