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Foods
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Influence of Diet on Intestinal Ecology
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Influence of Diet on Intestinal Ecology

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Nutrition".

Deadline for manuscript submissions: closed (20 May 2024) | Viewed by 5383

Special Issue Editors

Dr. Linshu Liu

E-Mail Website
Guest Editor
Eastern Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 600 E. Mermaid Lane, Wyndmoor, PA 19038, USA
Interests: surface modification; active packaging; biopolymer; controlled release; gut microbiota
Dr. Jenni Ann Firrman

E-Mail Website
Guest Editor
Dairy and Functional Foods Research, USDA ARS Eastern Regional Research Center, Wyndmoor, PA, USA
Interests: microbiology; molecular biology; microbial ecology; gut microbiome; genetics; cellular biology; metabolomics; chemistry; bioactive compounds; functional foods
Dr. Michael Tunick

E-Mail Website
Guest Editor
Department of Food & Hospitality Management, College of Nursing & Health Professions, Drexel University, Philadelphia, PA, USA
Interests: microbiology; analytical chemistry; physical chemistry; dairy products
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Research continues to demonstrate the importance of gut microbiota in human health through the breakdown of nutritional components in the gastrointestinal tract and the release of bioactive metabolites that have a global effect on the human body. This makes the gut microbiota a unique therapeutic target, and it can be asserted that the gut microbiota lies at the intersection of human health and nutrition. The ability to exert healthy changes to the gut microbiota through the delivery of functional foods, probiotics, and prebiotics has been well studied. Scientists continue to develop novel food products that can benefit human health via the gut microbiota. Key to these achievements is a deep understanding of how each food, or food component, may affect the gut microbiota community structure and function, and correspondingly, how the gut microbiota may convert these foods, or food components, into metabolites that will benefit the host. Current research is focusing on defining these interactions. The more that is uncovered, the better equipped we will be to develop functional foods or bioactive ingredients that have the potential to improve human health, ameliorate disease symptoms, or prevent the development of disease on a global scale.

Dr. Linshu Liu
Dr. Jenni Ann Firrman
Dr. Michael Tunick
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Foods is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • microbial ecology
  • gut microbiome and metabolome
  • digestion
  • probiotics
  • prebiotics
  • functional foods
  • bioactive compounds
  • multiomics

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Published Papers (3 papers)

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Research

17 pages, 4271 KiB  
Article
Effects of Transglutaminase-Induced β-Conglycinin Gels on Intestinal Morphology and Intestinal Flora in Mice at Different High-Intensity Ultrasound Pretreatment Time
by Jixin Zhang, Lan Zhang, Huiqing Xu and Jun Wang
Foods 2024, 13(14), 2192; https://doi.org/10.3390/foods13142192 - 11 Jul 2024
Viewed by 709
Abstract
TGase-7S gels prepared after different HIU pretreatment times were used to intervene in healthy mice to analyze their effects on growth characteristics and intestinal morphology, and 16S rRNA high-throughput sequencing was applied to fecal samples to investigate the effects of the gel on [...] Read more.
TGase-7S gels prepared after different HIU pretreatment times were used to intervene in healthy mice to analyze their effects on growth characteristics and intestinal morphology, and 16S rRNA high-throughput sequencing was applied to fecal samples to investigate the effects of the gel on the structure and diversity of intestinal flora in mice. The results showed that the intestinal tissues of mice in different treatment groups showed better integrity, and the intake of gel increased the length of small intestinal villi in mice, among which the 30-gel group had the highest value of villi length (599.27 ± 44.28) μm (p < 0.05) and showed the neatest and tightest arrangement, indicating that the intake of gel did not have adverse effects on the intestinal tract. The effect of gel ingestion on the diversity of the intestinal microbial community structure was more significant, positively promoting the growth of beneficial bacteria such as Desferriobacterium, Synechococcus, and Bifidobacterium. In addition, the ingestion of the gel improved the intestinal health of mice by altering the physiological functions of the intestinal flora and modulating their participation in various metabolic pathways. The above findings provide some theoretical value for the safety of 7S gel in food applications. Full article
(This article belongs to the Special Issue Influence of Diet on Intestinal Ecology)
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17 pages, 3474 KiB  
Article
Red Cabbage Modulates Composition and Co-Occurrence Networks of Gut Microbiota in a Rodent Diet-Induced Obesity Model
by Yanbei Wu, Mengmeng Xin, Quynhchi Pham, Yu Gao, Haiqiu Huang, Xiaojing Jiang, Robert W. Li, Liangli Yu, Yaguang Luo, Jing Wang and Thomas T. Y. Wang
Foods 2024, 13(1), 85; https://doi.org/10.3390/foods13010085 - 26 Dec 2023
Cited by 1 | Viewed by 1656
Abstract
Red cabbage (RC), a cruciferous vegetable rich in various bioactive substances, can significantly reduce the risk factors of several non-communicable diseases, but the mechanism underlying the biological effects of RC remains unclear. Furthermore, mechanisms that operate through the regulation of gut microbiota also [...] Read more.
Red cabbage (RC), a cruciferous vegetable rich in various bioactive substances, can significantly reduce the risk factors of several non-communicable diseases, but the mechanism underlying the biological effects of RC remains unclear. Furthermore, mechanisms that operate through the regulation of gut microbiota also are not known. Given the relationships between diet, gut microbiota, and health, a diet-induced mice obesity model was used to elucidate the influence of RC on gut microbial composition and bacteria–bacteria interactions in mice. After 24 h of dietary intervention, a high-fat (HF) diet with the intake of RC led to increased Firmicutes/Bacteroidetes (F/B) ratios in the feces of mice. RC also reduced the relative abundance of Bifidobacteria, Lactobacillus, and Akkermansia muciniphila in mice fed a low-fat (LF) diet. After 8-weeks of dietary intervention, RC significantly changed the structure and the ecological network of the gut microbial community. Particularly, RC inhibited an HF-diet-induced increase in AF12 in mice, and this genus was positively correlated with body weight, low-density lipoprotein level, and fecal bile acid of mice. Unclassified Clostridiales, specifically increased via RC consumption, were also found to negatively correlate with hepatic free cholesterol levels in mice. Overall, our results demonstrated that RC modulating gut microbial composition and interactions are associated with the attenuation of HF-diet-induced body weight gain and altered cholesterol metabolism in mice. Full article
(This article belongs to the Special Issue Influence of Diet on Intestinal Ecology)
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17 pages, 3097 KiB  
Article
Lacticaseibacillus rhamnosus Strain GG (LGG) Regulate Gut Microbial Metabolites, an In Vitro Study Using Three Mature Human Gut Microbial Cultures in a Simulator of Human Intestinal Microbial Ecosystem (SHIME)
by LinShu Liu, Adrienne B. Narrowe, Jenni A. Firrman, Karley K. Mahalak, Jamshed T. Bobokalonov, Johanna M. S. Lemons, Kyle Bittinger, Scott Daniel, Ceylan Tanes, Lisa Mattei, Elliot S. Friedman, Jason W. Soares, Masuko Kobori, Wei-Bin Zeng and Peggy M. Tomasula
Foods 2023, 12(11), 2105; https://doi.org/10.3390/foods12112105 - 24 May 2023
Cited by 3 | Viewed by 2282
Abstract
In the present research, we investigated changes in the gut metabolome that occurred in response to the administration of the Laticaseibacillus rhamnosus strain GG (LGG). The probiotics were added to the ascending colon region of mature microbial communities established in a human intestinal [...] Read more.
In the present research, we investigated changes in the gut metabolome that occurred in response to the administration of the Laticaseibacillus rhamnosus strain GG (LGG). The probiotics were added to the ascending colon region of mature microbial communities established in a human intestinal microbial ecosystem simulator. Shotgun metagenomic sequencing and metabolome analysis suggested that the changes in microbial community composition corresponded with changes to metabolic output, and we can infer linkages between some metabolites and microorganisms. The in vitro method permits a spatially-resolved view of metabolic transformations under human physiological conditions. By this method, we found that tryptophan and tyrosine were mainly produced in the ascending colon region, while their derivatives were detected in the transverse and descending regions, revealing sequential amino acid metabolic pathways along with the colonic tract. The addition of LGG appeared to promote the production of indole propionic acid, which is positively associated with human health. Furthermore, the microbial community responsible for the production of indole propionic acid may be broader than is currently known. Full article
(This article belongs to the Special Issue Influence of Diet on Intestinal Ecology)
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