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Although nutrient supply is determined by maternal diet, the gut microbiota also influences nutrient availability. While currently there is no cure for neural tube defects (NTDs), their prevention is largely amenable to maternal folic acid and inositol supplementation. The gut microbiota also contributes to the production of these nutrients, which are absorbed by the host, but its role in this context remains largely unexplored. In this study, we performed a functional and morphological analysis of the intestinal tract of loop-tail mice (Vangl2 mutants), a mouse model of folate\/inositol-resistant NTDs. In addition, we investigated the changes in gut microbiota using 16S rRNA gene sequencing regarding (1) the host genotype; (2) the sample source for metagenomics analysis; (3) the pregnancy status in the gestational window of neural tube closure; (4) folic acid and (5) D-chiro-inositol supplementation. We observed that Vangl2+\/Lp mice showed no apparent changes in gastrointestinal transit time or fecal output, yet exhibited increased intestinal length and cecal weight and gut dysbiosis. Moreover, our results showed that the mice supplemented with folic acid and D-chiro-inositol had significant changes in their microbiota composition, which are changes that could have implications for nutrient absorption.<\/jats:p>","DOI":"10.3390\/nu15234944","type":"journal-article","created":{"date-parts":[[2023,11,28]],"date-time":"2023-11-28T11:43:16Z","timestamp":1701171796000},"page":"4944","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Analysis of Gut Characteristics and Microbiota Changes with Maternal Supplementation in a Neural Tube Defect Mouse Model"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7373-5433","authenticated-orcid":false,"given":"Juan Antonio","family":"Cordero-Varela","sequence":"first","affiliation":[{"name":"Institute of Biomedicine of Seville (IBiS)\/Virgen del Roc\u00edo University Hospital\/CSIC\/University of Seville, 41013 Seville, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5490-0624","authenticated-orcid":false,"given":"Marta","family":"Reyes-Corral","sequence":"additional","affiliation":[{"name":"Institute of Biomedicine of Seville (IBiS)\/Virgen del Roc\u00edo University Hospital\/CSIC\/University of Seville, 41013 Seville, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6707-6825","authenticated-orcid":false,"given":"Miguel","family":"Lao-P\u00e9rez","sequence":"additional","affiliation":[{"name":"Institute of Biomedicine of Seville (IBiS)\/Virgen del Roc\u00edo University Hospital\/CSIC\/University of Seville, 41013 Seville, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beatriz","family":"Fern\u00e1ndez-Santos","sequence":"additional","affiliation":[{"name":"Institute of Biomedicine of Seville (IBiS)\/Virgen del Roc\u00edo University Hospital\/CSIC\/University of Seville, 41013 Seville, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5611-5120","authenticated-orcid":false,"given":"Fernando","family":"Montenegro-Elvira","sequence":"additional","affiliation":[{"name":"Institute of Biomedicine of Seville (IBiS)\/Virgen del Roc\u00edo University Hospital\/CSIC\/University of Seville, 41013 Seville, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lluis","family":"Sempere","sequence":"additional","affiliation":[{"name":"Institute of Biomedicine of Seville (IBiS)\/Virgen del Roc\u00edo University Hospital\/CSIC\/University of Seville, 41013 Seville, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7836-2659","authenticated-orcid":false,"given":"Patricia","family":"Ybot-Gonz\u00e1lez","sequence":"additional","affiliation":[{"name":"Institute of Biomedicine of Seville (IBiS)\/Virgen del Roc\u00edo University Hospital\/CSIC\/University of Seville, 41013 Seville, Spain"},{"name":"Consejo Superior de Investigaciones Cient\u00edficas (CSIC), Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,11,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1159\/000499698","article-title":"Impact of Micronutrient Status during Pregnancy on Early Nutrition Programming","volume":"74","author":"Cetin","year":"2019","journal-title":"Ann. 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