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Lu X, Shi Z, Jiang L, Zhang S. Maternal gut microbiota in the health of mothers and offspring: from the perspective of immunology. Front Immunol 2024; 15:1362784. [PMID: 38545107 PMCID: PMC10965710 DOI: 10.3389/fimmu.2024.1362784] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 02/28/2024] [Indexed: 04/17/2024] Open
Abstract
Due to the physiological alteration during pregnancy, maternal gut microbiota changes following the metabolic processes. Recent studies have revealed that maternal gut microbiota is closely associated with the immune microenvironment in utero during pregnancy and plays a vital role in specific pregnancy complications, including preeclampsia, gestational diabetes, preterm birth and recurrent miscarriages. Some other evidence has also shown that aberrant maternal gut microbiota increases the risk of various diseases in the offspring, such as allergic and neurodevelopmental disorders, through the immune alignment between mother and fetus and the possible intrauterine microbiota. Probiotics and the high-fiber diet are effective inventions to prevent mothers and fetuses from diseases. In this review, we summarize the role of maternal gut microbiota in the development of pregnancy complications and the health condition of future generations from the perspective of immunology, which may provide new therapeutic strategies for the health management of mothers and offspring.
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Affiliation(s)
- Xiaowen Lu
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, Hangzhou, China
| | - Zhan Shi
- Department of Obstetrics and Gynecology, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, China
| | - Lingling Jiang
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, Hangzhou, China
| | - Songying Zhang
- Assisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Department of Obstetrics and Gynecology, Key Laboratory of Reproductive Dysfunction, Management of Zhejiang Province, Hangzhou, China
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Lin Y, Wang K, Che L, Fang Z, Xu S, Feng B, Zhuo Y, Li J, Wu C, Zhang J, Xiong H, Yu C, Wu D. The Improvement of Semen Quality by Dietary Fiber Intake Is Positively Related With Gut Microbiota and SCFA in a Boar Model. Front Microbiol 2022; 13:863315. [PMID: 35633720 PMCID: PMC9130837 DOI: 10.3389/fmicb.2022.863315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Although fiber-rich diets have been positively associated with sperm quality, there have not been any studies that have examined the effects of dietary fiber and its metabolites on sperm quality in young or pre-pubescent animals. In this study, we aimed to explore the effect of dietary fiber supplementation on semen quality and the underlying mechanisms in a boar model. Sixty purebred Yorkshire weaning boars were randomly divided into the four groups (T1–T4). Groups T1, T2, and T3 boars were fed diets with different levels of fiber until reaching 160 days of age and were then fed the same diet, while group T4 boars were fed a basal diet supplemented with butyrate and probiotics. Compared with T1 boars, sperm motility and effective sperm number were significantly higher among T3 boars. Meanwhile, at 240 days of age, the acetic acid and total short-chain fatty acid (SCFA) contents in the sera of T3 and T4 boars were significantly higher than those in T1 boars. The abundance of microbiota in T2 and T3 boars was significantly higher than that in T1 boars (P < 0.01). Moreover, dietary fiber supplementation increased “beneficial gut microbes” such as UCG-005, Rumenococcus, Rikenellaceae_RC9_gut_group and Lactobacillus and decreased the relative abundance of “harmful microbes” such as Clostridium_sensu_stricto_1, Romboutsia and Turicibacter. Collectively, the findings of this study indicate that dietary fiber supplementation improves gut microbiota and promotes SCFA production, thereby enhancing spermatogenesis and semen quality. Moreover, the effects of dietary fiber are superior to those of derived metabolites.
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Affiliation(s)
- Yan Lin
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Ke Wang
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Lianqiang Che
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Zhengfeng Fang
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Shengyu Xu
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Bin Feng
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Yong Zhuo
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Jian Li
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Caimei Wu
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Junjie Zhang
- College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Haoyu Xiong
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Chenglong Yu
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - De Wu
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
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Abstract
Iron limitation is a universal strategy of host immunity during bacterial infection. However, the mechanisms by which pathogens antagonize host nutritional immunity have not been fully elucidated. Here, we identified a requirement for the UMPylator YdiU for this process in Salmonella. The expression of YdiU was dramatically induced by the metal starvation signal. The intracellular iron content was much lower in the ΔydiU strain than in wild-type Salmonella, and the ΔydiU strain exhibited severe growth defect under metal deficiency environments. Genome-wide expression analyses revealed significantly decreased expression of iron uptake genes in ΔydiU strain compared with the wild-type strain. Interestingly, YdiU did not affect the expression level of the major iron uptake regulator Fur but directly UMPylated Fur on its H118 residue in vivo and in vitro. UMPylation destroyed the Fur dimer, promoted Fur aggregation, and eliminated the DNA-binding activity of Fur, thus abolishing the ability of Fur to inhibit iron uptake. Restricting Fur to the deUMPylated state dramatically eliminates Salmonella iron uptake in iron deficiency environments. In parallel, YdiU facilitates Salmonella survival within host cells by regulating the iron uptake pathway.
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Lin Y, Wu D, Che L, Fang Z, Xu S, Feng B, Zhuo Y, Li J, Wu C, Zhang J, Li L. Dietary Fibre Supplementation Improves Semen Production by Increasing Leydig Cells and Testosterone Synthesis in a Growing Boar Model. Front Vet Sci 2022; 9:850685. [PMID: 35359689 PMCID: PMC8963373 DOI: 10.3389/fvets.2022.850685] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 02/14/2022] [Indexed: 02/01/2023] Open
Abstract
Testicular development is imperative to spermatogenesis, and pre-puberty is the key period for testis development. This study, therefore, investigated the effects of fibre supplementation on testis development and its possible mechanism in a growing boar model. Thirty Yorkshire boars were randomly divided into a control group (Control) and a fibre group (Fibre) from day 0 to 90 after weaning, with three pigs per pen and five pens per treatment. Blood and testes were collected for analysis. Dietary fibre supplementation had no significant effect on growth performance, testicular volume, or libido but increased the semen production of boars. Boars fed with fibre had lower serum cholesterol (CHO) and low-density lipoprotein (LDL) levels compared to those on the Control diet; however, testicular CHO, triglyceride (TG), and LDL concentration in the Fibre group were significantly higher than the Control group (P < 0.01). Testicular histological analysis showed that seminiferous tubules and testicular germ cells of 120-day-old boars were densely arranged in the Fibre group, and the number of Leydig cells was significantly higher than that of the Control group (P < 0.001). Furthermore, the diet supplemented with fibre significantly decreased leptin, leptin receptor (Leptor), and luteinising hormone (LH) concentrations in boar serum (P < 0.05), whereas follicle-stimulating hormone (FSH) and testosterone concentrations were significantly increased (P < 0.05). Meanwhile, the expression of AMH, AMHR2, and SYCP3 genes related to proliferation and differentiation, and hormone-related genes STAR and SOCS3, were significantly up-regulated (P < 0.05). OCCLUDIN expression was up-regulated, whereas CDH2 expression was down-regulated. In conclusion, increased fibre intake during the pre-puberty period in growing boar is crucial for Leydig cell proliferation, up-regulating the expression of genes related to hormone synthesis and thereby promoting the secretion of testosterone and semen production.
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Affiliation(s)
- Yan Lin
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Ministry of Agriculture, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
- *Correspondence: Yan Lin
| | - De Wu
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Ministry of Agriculture, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Lianqiang Che
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Ministry of Agriculture, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Zhengfeng Fang
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Ministry of Agriculture, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Shengyu Xu
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Ministry of Agriculture, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Bin Feng
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Ministry of Agriculture, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Yong Zhuo
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Ministry of Agriculture, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Jian Li
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Ministry of Agriculture, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Caimei Wu
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Ministry of Agriculture, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
| | - Junjie Zhang
- College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Lujie Li
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Ministry of Agriculture, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Chengdu, China
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Li Y, He J, Zhang L, Liu H, Cao M, Lin Y, Xu S, Fang Z, Che L, Feng B, Jiang X, Li J, Zhuo Y, Wu D. Effects of dietary fiber supplementation in gestation diets on sow performance, physiology and milk composition for successive three parities. Anim Feed Sci Technol 2021. [DOI: 10.1016/j.anifeedsci.2021.114945] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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He Y, Peng X, Liu Y, Wu Q, Zhou Q, Hu L, Fang Z, Lin Y, Xu S, Feng B, Li J, Zhuo Y, Wu D, Che L. Effects of Maternal Fiber Intake on Intestinal Morphology, Bacterial Profile and Proteome of Newborns Using Pig as Model. Nutrients 2020; 13:E42. [PMID: 33375592 PMCID: PMC7823571 DOI: 10.3390/nu13010042] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/14/2020] [Accepted: 12/21/2020] [Indexed: 02/06/2023] Open
Abstract
Dietary fiber intake during pregnancy may improve offspring intestinal development. The aim of this study was to evaluate the effect of maternal high fiber intake during late gestation on intestinal morphology, microbiota, and intestinal proteome of newborn piglets. Sixteen sows were randomly allocated into two groups receiving the control diet (CD) and high-fiber diet (HFD) from day 90 of gestation to farrowing. Newborn piglets were selected from each litter, named as CON and Fiber group, respectively. Maternal high fiber intake did not markedly improve the birth weight, but increased the body length, the ileal crypt depth and colonic acetate level. In addition, maternal high fiber intake increased the -diversity indices (Observed species, Simpson, and ACE), and the abundance of Acidobacteria and Bacteroidetes at phylum level, significantly increased the abundance of Bradyrhizobium and Phyllobacterium at genus level in the colon of newborn piglets. Moreover, maternal high fiber intake markedly altered the ileal proteome, increasing the abundances of proteins associated with oxidative status, energy metabolism, and immune and inflammatory responses, and decreasing abundances of proteins related to cellular apoptosis, cell structure, and motility. These findings indicated that maternal high fiber intake could alter intestinal morphology, along with the altered intestinal microbiota composition and proteome of offspring.
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Affiliation(s)
- Ying He
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Xie Peng
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Yang Liu
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Qing Wu
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Qiang Zhou
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Liang Hu
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China;
| | - Zhengfeng Fang
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Yan Lin
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Shengyu Xu
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Bin Feng
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Jian Li
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Yong Zhuo
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - De Wu
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
| | - Lianqiang Che
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China; (Y.H.); (X.P.); (Y.L.); (Q.W.); (Q.Z.); (Z.F.); (Y.L.); (S.X.); (B.F.); (J.L.); (Y.Z.); (D.W.)
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