Metagenomic Analysis Reveals the Characteristics of Cecal Microbiota in Chickens with Different Levels of Resistance During Recovery from <i>Eimeria tenella</i> Infection
Coccidiosis, caused by <i>Eimeria</i> protozoa, is a severe intestinal parasitic disease that results in substantial economic losses to the global poultry industry annually. The gut microbiota plays a crucial role in host health, metabolism, immune function, and nutrient absorption in ch...
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2025-05-01
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| author | Jianqiang Tang Liyue Dong Meihui Tang Areej Arif Honghong Zhang Genxi Zhang Tao Zhang Kaizhou Xie Shijie Su Zhenhua Zhao Guojun Dai |
| author_facet | Jianqiang Tang Liyue Dong Meihui Tang Areej Arif Honghong Zhang Genxi Zhang Tao Zhang Kaizhou Xie Shijie Su Zhenhua Zhao Guojun Dai |
| author_sort | Jianqiang Tang |
| collection | DOAJ |
| description | Coccidiosis, caused by <i>Eimeria</i> protozoa, is a severe intestinal parasitic disease that results in substantial economic losses to the global poultry industry annually. The gut microbiota plays a crucial role in host health, metabolism, immune function, and nutrient absorption in chickens. Recent studies have focused on the effects of <i>Eimeria tenella</i>’s <i>(E. tenella</i>) acute infection period on host health. However, recovery conditions, cecal microbiota composition, and functional differences in the ceca of chickens with varying resistance to <i>E. tenella</i> remain poorly understood during the recovery period after infection. This study aimed to compare growth performance, cecal histopathology, and the cecal microbiota characteristics in control (R_JC), resistant (R_JR), and susceptible (R_JS) chickens during recovery, using metagenomic sequencing. The results revealed significant differences in both cecal tissue structure and growth performance between the different groups during recovery. Although no significant differences were observed in microbial alpha diversity among the groups, sequencing analysis highlighted notable changes in microbial composition and abundance. <i>Bacteroidetes</i>, <i>Firmicutes</i>, and <i>Proteobacteria</i> were the predominant phyla in chicken cecal contents; however, <i>Firmicutes</i> abundance was lower in the R_JS group than in the R_JC and R_JR groups. Further analysis, combining linear discriminant analysis effect size (LEfSe) and differential heatmap analysis, identified <i>Bacteroides_fluxus</i>, <i>Ruminococcus_flavefaciens</i>, and <i>Bacteroides_sp_CACC_737</i> as dominant microorganisms in the R_JR group (<i>p</i> < 0.05) compared to both the R_JC and R_JS groups. In contrast, <i>Sutterella_sp_AM11-39</i>, <i>Bacteroides_sp_43_108</i>, <i>Mycobacterium</i>, <i>Mycoplasma_arginini</i>, and <i>Chlamydia</i> dominated in the R_JS group, while <i>Butyricimonas</i>, <i>Butyricimonas_sp_Marseille-P3923</i>, and <i>Flavonifractor_plautii</i> were significantly reduced in the R_JS group (<i>p</i> < 0.05). Additionally, beneficial cecal microorganisms such as <i>Flavonifractor_sp__An10</i>, <i>Pseudoflavonifractor</i>, and <i>Faecalicoccus</i> were significantly decreased in both the R_JR and R_JS groups (<i>p</i> < 0.05) compared to the R_JC group. Predictive functional analysis using the KEGG and CAZy databases further indicated that the cecal microbiota in the R_JR group exhibited enhanced metabolism-related pathways, whereas these pathways were significantly diminished in the R_JS group, potentially influencing the recovery process from coccidial infection. These findings provide valuable insights into the cecal microbiota’s role during recovery from <i>E. tenella</i> infection and deepen our understanding of the impact of coccidial infections on host health. |
| format | Article |
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| institution | OA Journals |
| issn | 2076-2615 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
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| series | Animals |
| spelling | doaj-art-1af1966690b7435da978e8c1e3d9d2bc2025-08-20T01:57:04ZengMDPI AGAnimals2076-26152025-05-011510150010.3390/ani15101500Metagenomic Analysis Reveals the Characteristics of Cecal Microbiota in Chickens with Different Levels of Resistance During Recovery from <i>Eimeria tenella</i> InfectionJianqiang Tang0Liyue Dong1Meihui Tang2Areej Arif3Honghong Zhang4Genxi Zhang5Tao Zhang6Kaizhou Xie7Shijie Su8Zhenhua Zhao9Guojun Dai10College of Animal Science and Technology, Yangzhou University, Yangzhou 225000, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225000, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225000, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225000, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225000, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225000, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225000, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225000, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225000, ChinaPoultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou 225125, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225000, ChinaCoccidiosis, caused by <i>Eimeria</i> protozoa, is a severe intestinal parasitic disease that results in substantial economic losses to the global poultry industry annually. The gut microbiota plays a crucial role in host health, metabolism, immune function, and nutrient absorption in chickens. Recent studies have focused on the effects of <i>Eimeria tenella</i>’s <i>(E. tenella</i>) acute infection period on host health. However, recovery conditions, cecal microbiota composition, and functional differences in the ceca of chickens with varying resistance to <i>E. tenella</i> remain poorly understood during the recovery period after infection. This study aimed to compare growth performance, cecal histopathology, and the cecal microbiota characteristics in control (R_JC), resistant (R_JR), and susceptible (R_JS) chickens during recovery, using metagenomic sequencing. The results revealed significant differences in both cecal tissue structure and growth performance between the different groups during recovery. Although no significant differences were observed in microbial alpha diversity among the groups, sequencing analysis highlighted notable changes in microbial composition and abundance. <i>Bacteroidetes</i>, <i>Firmicutes</i>, and <i>Proteobacteria</i> were the predominant phyla in chicken cecal contents; however, <i>Firmicutes</i> abundance was lower in the R_JS group than in the R_JC and R_JR groups. Further analysis, combining linear discriminant analysis effect size (LEfSe) and differential heatmap analysis, identified <i>Bacteroides_fluxus</i>, <i>Ruminococcus_flavefaciens</i>, and <i>Bacteroides_sp_CACC_737</i> as dominant microorganisms in the R_JR group (<i>p</i> < 0.05) compared to both the R_JC and R_JS groups. In contrast, <i>Sutterella_sp_AM11-39</i>, <i>Bacteroides_sp_43_108</i>, <i>Mycobacterium</i>, <i>Mycoplasma_arginini</i>, and <i>Chlamydia</i> dominated in the R_JS group, while <i>Butyricimonas</i>, <i>Butyricimonas_sp_Marseille-P3923</i>, and <i>Flavonifractor_plautii</i> were significantly reduced in the R_JS group (<i>p</i> < 0.05). Additionally, beneficial cecal microorganisms such as <i>Flavonifractor_sp__An10</i>, <i>Pseudoflavonifractor</i>, and <i>Faecalicoccus</i> were significantly decreased in both the R_JR and R_JS groups (<i>p</i> < 0.05) compared to the R_JC group. Predictive functional analysis using the KEGG and CAZy databases further indicated that the cecal microbiota in the R_JR group exhibited enhanced metabolism-related pathways, whereas these pathways were significantly diminished in the R_JS group, potentially influencing the recovery process from coccidial infection. These findings provide valuable insights into the cecal microbiota’s role during recovery from <i>E. tenella</i> infection and deepen our understanding of the impact of coccidial infections on host health.https://www.mdpi.com/2076-2615/15/10/1500<i>E. tenella</i>growth performanceintestinal morphologycecal microbiotametagenome sequencing |
| spellingShingle | Jianqiang Tang Liyue Dong Meihui Tang Areej Arif Honghong Zhang Genxi Zhang Tao Zhang Kaizhou Xie Shijie Su Zhenhua Zhao Guojun Dai Metagenomic Analysis Reveals the Characteristics of Cecal Microbiota in Chickens with Different Levels of Resistance During Recovery from <i>Eimeria tenella</i> Infection Animals <i>E. tenella</i> growth performance intestinal morphology cecal microbiota metagenome sequencing |
| title | Metagenomic Analysis Reveals the Characteristics of Cecal Microbiota in Chickens with Different Levels of Resistance During Recovery from <i>Eimeria tenella</i> Infection |
| title_full | Metagenomic Analysis Reveals the Characteristics of Cecal Microbiota in Chickens with Different Levels of Resistance During Recovery from <i>Eimeria tenella</i> Infection |
| title_fullStr | Metagenomic Analysis Reveals the Characteristics of Cecal Microbiota in Chickens with Different Levels of Resistance During Recovery from <i>Eimeria tenella</i> Infection |
| title_full_unstemmed | Metagenomic Analysis Reveals the Characteristics of Cecal Microbiota in Chickens with Different Levels of Resistance During Recovery from <i>Eimeria tenella</i> Infection |
| title_short | Metagenomic Analysis Reveals the Characteristics of Cecal Microbiota in Chickens with Different Levels of Resistance During Recovery from <i>Eimeria tenella</i> Infection |
| title_sort | metagenomic analysis reveals the characteristics of cecal microbiota in chickens with different levels of resistance during recovery from i eimeria tenella i infection |
| topic | <i>E. tenella</i> growth performance intestinal morphology cecal microbiota metagenome sequencing |
| url | https://www.mdpi.com/2076-2615/15/10/1500 |
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