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  1. Article: The Research Progress on the Interaction between Mammalian Gut Microbiota and the Host's Metabolism Homeostasis during Hibernation.

    Zhang, Zhepei / Song, Fengcheng / Wang, Linjuan / Yuan, Zhengrong

    Metabolites

    2024  Volume 14, Issue 3

    Abstract: Hibernating mammals confront seasonal and harsh environmental shifts, prompting a cycle of pre-hibernation feeding and subsequent winter fasting. These adaptive practices induce diverse physiological adjustments within the animal's body. With the gut ... ...

    Abstract Hibernating mammals confront seasonal and harsh environmental shifts, prompting a cycle of pre-hibernation feeding and subsequent winter fasting. These adaptive practices induce diverse physiological adjustments within the animal's body. With the gut microbiota's metabolic activity being heavily reliant on the host's diet, this cycle's primary impact is on this microbial community. When the structure and composition of the gut microbiota changes, corresponding alterations in the interactions occur between these microorganisms and their host. These successive adaptations significantly contribute to the host's capacity to sustain relatively stable metabolic and immune functions in severe environmental conditions. A thorough investigation into the reciprocal interplay between the host and gut microbiota during hibernation-induced adaptive changes holds promise for unveiling new insights. Understanding the underlying mechanisms driving these interactions may potentially unlock innovative approaches to address extreme pathological conditions in humans.
    Language English
    Publishing date 2024-02-21
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2662251-8
    ISSN 2218-1989
    ISSN 2218-1989
    DOI 10.3390/metabo14030134
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Full space coordinate measurement method with a portable light pen by using hybrid light field imaging.

    Wu, Jun / Song, Fengcheng / Feng, Chengbin / Yu, Zhijing

    Optics express

    2021  Volume 29, Issue 23, Page(s) 37336–37353

    Abstract: The light pen is one of the most useful spatial coordinate measurement methods. However, due to the principle of vision measurement, the traditional light pen has the disadvantages such as limited measurement range, large structure size and complex ... ...

    Abstract The light pen is one of the most useful spatial coordinate measurement methods. However, due to the principle of vision measurement, the traditional light pen has the disadvantages such as limited measurement range, large structure size and complex calibration process. In order to revolutionize the design of light pen, this paper proposes a full space coordinate measurement method with a portable light pen by using hybrid light field imaging. Firstly, a light field imaging system with depth estimation ability has been introduced to simplify the light pen structure to three target points by using P3P method. In order to improve the accuracy of the depth estimation, a hybrid imaging method and EPI method have been used. Secondly, a full spatial measurement method with a rotation platform has been presented in detail. Finally, the experiments have been designed to verify the effectiveness and accuracy of the proposed method.
    Language English
    Publishing date 2021-10-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1491859-6
    ISSN 1094-4087 ; 1094-4087
    ISSN (online) 1094-4087
    ISSN 1094-4087
    DOI 10.1364/OE.439221
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Seasonal Variation in Gut Microbiota of the Wild Daurian Ground Squirrel (Spermophilus dauricus): Metagenomic Insights into Seasonal Breeding

    Song, Fengcheng / Ma, Shubao / Zhang, Yujiao / Yang, Xiaoying / Zhang, Haolin / Han, Yingying / Liu, Yuning / Gao, Fuli / Yuan, Zhengrong

    Animals. 2023 July 07, v. 13, no. 13

    2023  

    Abstract: The Spermophilus dauricus, the wild Daurian ground squirrel, is known to exhibit seasonal breeding behavior. Although the importance of gut microbiota in animal digestion, metabolism, and immunity is well-established, the correlation between gut ... ...

    Abstract The Spermophilus dauricus, the wild Daurian ground squirrel, is known to exhibit seasonal breeding behavior. Although the importance of gut microbiota in animal digestion, metabolism, and immunity is well-established, the correlation between gut microbiota and seasonal breeding in this species remains inadequately explored. In the present study, using metagenomic sequencing technology, the compositions and functions of the gut microbiota of wild Daurian ground squirrels in different breeding seasons were explored. The dominant gut microbial phyla were Firmicutes and Bacteroidetes. The Firmicutes were predominant in the breeding season, whereas Bacteroidetes were predominant in the non-breeding season. At the genus level, Lactobacillus accumulated during the breeding season, whereas Odoribacter and Alistipes increased during the non-breeding season. GO (Gene Ontology) and KEGG (Kyoto Encyclopedia of Genes and Genome) annotations indicated that genes in gut samples were highly associated with metabolic functions. The differential expression gene analysis showed that genes related to the phosphotransferase system, cysteine, and methionine metabolism were highly expressed during the breeding season, whereas the non-breeding season upregulated genes were enriched in starch and sucrose metabolism and bacterial chemotaxis pathways. In conclusion, this study could provide a reference for investigating gut microbiota in seasonal breeding animals and offer new insight into gut microbial function.
    Keywords Bacteroidetes ; Lactobacillus ; Spermophilus ; chemotaxis ; cysteine ; digestion ; digestive system ; gene expression regulation ; gene ontology ; genes ; ground squirrels ; immunity ; intestinal microorganisms ; metabolism ; metagenomics ; methionine ; seasonal variation ; starch ; sucrose
    Language English
    Dates of publication 2023-0707
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article ; Online
    ZDB-ID 2606558-7
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani13132235
    Database NAL-Catalogue (AGRICOLA)

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  4. Article: Seasonal Variation in Gut Microbiota of the Wild Daurian Ground Squirrel (

    Song, Fengcheng / Ma, Shubao / Zhang, Yujiao / Yang, Xiaoying / Zhang, Haolin / Han, Yingying / Liu, Yuning / Gao, Fuli / Yuan, Zhengrong

    Animals : an open access journal from MDPI

    2023  Volume 13, Issue 13

    Abstract: ... ...

    Abstract The
    Language English
    Publishing date 2023-07-07
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2606558-7
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani13132235
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Seasonal Changes in the Structure and Function of Gut Microbiota in the Muskrat (

    Song, Fengcheng / Xu, Yishu / Peng, Peng / Li, Hongxu / Zheng, Ranxi / Zhang, Haolin / Han, Yingying / Weng, Qiang / Yuan, Zhengrong

    Metabolites

    2023  Volume 13, Issue 2

    Abstract: The gut microbiota plays a crucial role in the nutrition, metabolism, and immune function of the host animal. The muskrat ( ...

    Abstract The gut microbiota plays a crucial role in the nutrition, metabolism, and immune function of the host animal. The muskrat (
    Language English
    Publishing date 2023-02-09
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662251-8
    ISSN 2218-1989
    ISSN 2218-1989
    DOI 10.3390/metabo13020248
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Seasonal expressions of GPR41 and GPR43 in the colon of the wild ground squirrels (<em>Spermophilus dauricus</em>).

    Yang, Xiaoying / Liu, Xuhao / Song, Fengcheng / Wei, Hao / Gao, Fuli / Zhang, Haolin / Han, Yingying / Weng, Qiang / Yuan, Zhengrong

    European journal of histochemistry : EJH

    2022  Volume 66, Issue 1

    Abstract: G-protein-coupled receptor 41 (GPR41) and G-protein-coupled receptor 43 (GPR43) are important short-chain fatty acids (SCFAs) receptors. Previous studies indicated that GPR41 and GPR43 are involved in the secretion of gastrointestinal peptides, and ... ...

    Abstract G-protein-coupled receptor 41 (GPR41) and G-protein-coupled receptor 43 (GPR43) are important short-chain fatty acids (SCFAs) receptors. Previous studies indicated that GPR41 and GPR43 are involved in the secretion of gastrointestinal peptides, and glucose and lipid metabolism, and are closely related to obesity and type II diabetes, and other diseases. The purpose of the study was to explore the relationship between the GPR41 and GPR43 and seasonal breeding, and provide new prospects for further exploring the nutritional needs of breeding. We identified the localization and expression levels of GPR41 and GPR43 in the colon of the wild ground squirrels (Spermophilus dauricus) both in the breeding season and non-breeding season. The histological results revealed that the lumen diameter of the colon had obvious seasonal changes, and the diameter of the colonic lumen in the non-breeding season was larger than that in the breeding season. Immunohistochemical staining suggested GPR41 and GPR43 have expressed in the simple layer columnar epithelium. In addition, compared with the breeding season, the mRNA and protein expression levels of GPR41 and GPR43 in the colon were higher during the non-breeding season. In general, these results indicated GPR41 and GPR43 might play a certain role in regulating seasonal breeding.
    MeSH term(s) Animals ; Colon ; Diabetes Mellitus, Type 2 ; Fatty Acids, Volatile/metabolism ; Receptors, G-Protein-Coupled/metabolism ; Sciuridae/metabolism ; Seasons
    Chemical Substances Fatty Acids, Volatile ; Receptors, G-Protein-Coupled
    Language English
    Publishing date 2022-01-21
    Publishing country Italy
    Document type Journal Article
    ZDB-ID 1109511-8
    ISSN 2038-8306 ; 0391-7258 ; 1121-4201 ; 1121-760X
    ISSN (online) 2038-8306
    ISSN 0391-7258 ; 1121-4201 ; 1121-760X
    DOI 10.4081/ejh.2022.3351
    Database MEDical Literature Analysis and Retrieval System OnLINE

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