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Review
Peer-Review Record

Probiotics and Commensal Bacteria Metabolites Trigger Epigenetic Changes in the Gut and Influence Beneficial Mood Dispositions

Microorganisms 2023, 11(5), 1334; https://doi.org/10.3390/microorganisms11051334
by Luis Vitetta 1,*, Matthew Bambling 2 and Esben Strodl 3
Reviewer 1:
Reviewer 2:
Microorganisms 2023, 11(5), 1334; https://doi.org/10.3390/microorganisms11051334
Submission received: 5 May 2023 / Revised: 15 May 2023 / Accepted: 17 May 2023 / Published: 18 May 2023

Round 1

Reviewer 1 Report

See attached file

Comments for author File: Comments.docx

Author Response

See attached file please.

Author Response File: Author Response.pdf

Reviewer 2 Report

The manuscript by Luis Vitetta et al. summarized the probiotics and commensal bacteria metabolites that could trigger epigenetic changes in the gut and influence the beneficial mood dispositions. This review article is of interest to the readers and I have the following suggestions and comments:

1, in Figure 1, the authors should specifiy which bacterial metabolites were included in the gut-brain axis. Besides, the bacteria that could affect the gut-brain axis should also be specified. The authors must further revise. 

2, I suggest the authors to add a new figure to show all kinds of epigenetic modifications. This could help the readers to understand the main idea of the whole manuscript. 

3, bile acids could also affect the epigenetics of the gut-brain axis. This must be added and discussed. 

4, future development and current limitations of the studies must be discussed. 

Author Response

See attached please

Author Response File: Author Response.pdf

Round 2

Reviewer 2 Report

The authors have revised the manuscript accordingly. I therefore suggest to accept it. 

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