Association between Capillaria hepatica infection-induced alterations in gut microbiota and estrogen expression in Brandt’s voles (Lasiopodomys brandtii)
Abstract Background Capillaria hepatica, a zoonotic parasite, is present in the population of Brandt’s voles (Lasiopodomys brandtii) and has been a central issue in ecological studies regarding its impact on host populations. Brandt’s voles are known for their extremely high reproductive capacity, a...
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BMC
2025-03-01
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| Series: | BMC Veterinary Research |
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| Online Access: | https://doi.org/10.1186/s12917-025-04524-2 |
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| author | Bin Hu Kening Yue Daibao Zhang Shengyong Feng Ning Zhao Gaojian Li Sichao Gao Yanan Xing Shuyi Han Hongxuan He |
| author_facet | Bin Hu Kening Yue Daibao Zhang Shengyong Feng Ning Zhao Gaojian Li Sichao Gao Yanan Xing Shuyi Han Hongxuan He |
| author_sort | Bin Hu |
| collection | DOAJ |
| description | Abstract Background Capillaria hepatica, a zoonotic parasite, is present in the population of Brandt’s voles (Lasiopodomys brandtii) and has been a central issue in ecological studies regarding its impact on host populations. Brandt’s voles are known for their extremely high reproductive capacity, and the population explosion of Brandt’s voles have occurred multiple times in the grasslands of Inner Mongolia over the past few decades. However, the mechanisms underlying the population dynamics of Brandt’s voles, particularly in response to C. hepatica infection, remain poorly understood. Given the critical role of the gut microbiota in modulating hormones within the reproductive endocrine system, this study aims to explore how alterations in the gut microbiota influence the host’s population dynamics in response to C. hepatica infection. Methods Female Brandt’s voles were inoculated with eggs of infected C. hepatica, and BALB/C mice were used as a control. At the end of the experimental period, cecal contents were collected for 16 S rRNA amplicon sequencing, and the expression levels of reproductive-related hormones were determined using enzyme-linked immunosorbent assay (ELISA). Results C. hepatica infection leads to an increased diversity of gut microbiota in Brandt’s voles, with significant changes in microbial composition. The relative abundance of Muribaculaceae and Eubacteriaceae increased significantly, while that of Rikenellaceae and Lachnospiraceae decreased significantly. The expression level of estradiol in the serum of infected Brandt’s voles shows a slight decrease without statistical significance. However, the expression of equol is significantly higher in the infected group compared to the uninfected group, and the expression of enterolactone is significantly lower in the infected group than in the uninfected group. Conclusions This study demonstrates that infection with C. hepatica indirectly affect the abundance of specific gut microbiota in Brandt’s voles, which are associated with reproductive hormones. This indirect effect on hormone expression can subsequently impact the reproductive function of the host. By investigating the changes in specific gut microbiota, this study sheds light on the mechanisms through which parasites regulate population fluctuations in Brandt’s voles. |
| format | Article |
| id | doaj-art-d75e35eba15f4031b8612f2ae2c63e45 |
| institution | DOAJ |
| issn | 1746-6148 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | BMC |
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| series | BMC Veterinary Research |
| spelling | doaj-art-d75e35eba15f4031b8612f2ae2c63e452025-08-20T03:00:39ZengBMCBMC Veterinary Research1746-61482025-03-0121111110.1186/s12917-025-04524-2Association between Capillaria hepatica infection-induced alterations in gut microbiota and estrogen expression in Brandt’s voles (Lasiopodomys brandtii)Bin Hu0Kening Yue1Daibao Zhang2Shengyong Feng3Ning Zhao4Gaojian Li5Sichao Gao6Yanan Xing7Shuyi Han8Hongxuan He9College of Animal Science and Veterinary Medicine, Henan Institute of Science and TechnologyInstitute of Zoology, Chinese Academy of SciencesHenan wildlife conservation centerInstitute of Zoology, Chinese Academy of SciencesNational Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and PreventionInstitute of Zoology, Chinese Academy of SciencesInstitute of Zoology, Chinese Academy of SciencesInstitute of Zoology, Chinese Academy of SciencesInstitute of Zoology, Chinese Academy of SciencesInstitute of Zoology, Chinese Academy of SciencesAbstract Background Capillaria hepatica, a zoonotic parasite, is present in the population of Brandt’s voles (Lasiopodomys brandtii) and has been a central issue in ecological studies regarding its impact on host populations. Brandt’s voles are known for their extremely high reproductive capacity, and the population explosion of Brandt’s voles have occurred multiple times in the grasslands of Inner Mongolia over the past few decades. However, the mechanisms underlying the population dynamics of Brandt’s voles, particularly in response to C. hepatica infection, remain poorly understood. Given the critical role of the gut microbiota in modulating hormones within the reproductive endocrine system, this study aims to explore how alterations in the gut microbiota influence the host’s population dynamics in response to C. hepatica infection. Methods Female Brandt’s voles were inoculated with eggs of infected C. hepatica, and BALB/C mice were used as a control. At the end of the experimental period, cecal contents were collected for 16 S rRNA amplicon sequencing, and the expression levels of reproductive-related hormones were determined using enzyme-linked immunosorbent assay (ELISA). Results C. hepatica infection leads to an increased diversity of gut microbiota in Brandt’s voles, with significant changes in microbial composition. The relative abundance of Muribaculaceae and Eubacteriaceae increased significantly, while that of Rikenellaceae and Lachnospiraceae decreased significantly. The expression level of estradiol in the serum of infected Brandt’s voles shows a slight decrease without statistical significance. However, the expression of equol is significantly higher in the infected group compared to the uninfected group, and the expression of enterolactone is significantly lower in the infected group than in the uninfected group. Conclusions This study demonstrates that infection with C. hepatica indirectly affect the abundance of specific gut microbiota in Brandt’s voles, which are associated with reproductive hormones. This indirect effect on hormone expression can subsequently impact the reproductive function of the host. By investigating the changes in specific gut microbiota, this study sheds light on the mechanisms through which parasites regulate population fluctuations in Brandt’s voles.https://doi.org/10.1186/s12917-025-04524-216S rRNA amplicon sequencingCapillaria HepaticaBrandt’s volesGut microbiotaEstrogen |
| spellingShingle | Bin Hu Kening Yue Daibao Zhang Shengyong Feng Ning Zhao Gaojian Li Sichao Gao Yanan Xing Shuyi Han Hongxuan He Association between Capillaria hepatica infection-induced alterations in gut microbiota and estrogen expression in Brandt’s voles (Lasiopodomys brandtii) BMC Veterinary Research 16S rRNA amplicon sequencing Capillaria Hepatica Brandt’s voles Gut microbiota Estrogen |
| title | Association between Capillaria hepatica infection-induced alterations in gut microbiota and estrogen expression in Brandt’s voles (Lasiopodomys brandtii) |
| title_full | Association between Capillaria hepatica infection-induced alterations in gut microbiota and estrogen expression in Brandt’s voles (Lasiopodomys brandtii) |
| title_fullStr | Association between Capillaria hepatica infection-induced alterations in gut microbiota and estrogen expression in Brandt’s voles (Lasiopodomys brandtii) |
| title_full_unstemmed | Association between Capillaria hepatica infection-induced alterations in gut microbiota and estrogen expression in Brandt’s voles (Lasiopodomys brandtii) |
| title_short | Association between Capillaria hepatica infection-induced alterations in gut microbiota and estrogen expression in Brandt’s voles (Lasiopodomys brandtii) |
| title_sort | association between capillaria hepatica infection induced alterations in gut microbiota and estrogen expression in brandt s voles lasiopodomys brandtii |
| topic | 16S rRNA amplicon sequencing Capillaria Hepatica Brandt’s voles Gut microbiota Estrogen |
| url | https://doi.org/10.1186/s12917-025-04524-2 |
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