Age, Gender, and Feeding Environment Influence Fecal Microbial Diversity in Spotted Hyenas (Crocuta crocuta). 2020

Lei Chen, and Mi Liu, and Jing Zhu, and Ying Gao, and Weilai Sha, and Huixia Ding, and Wenjun Jiang, and Shenping Wu
College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China. leisurechen@163.com.

Fecal microbes play an important role in the survival and health of wild animals. Spotted hyena (Crocuta crocuta) is one of the representative carnivores in Africa. In this study, we examined the fecal microflora of spotted hyena by conducting high-throughput sequencing of the fecal microbial 16S rRNA gene V3-V4 high mutation region. The effects of age, sex, and feeding environment on the fecal microbiota of spotted hyenas were determined. The results showed that the core bacteria phyla of spotted hyenas fecal microbiota include Firmicutes (at an average relative abundance of 53.93%), Fusobacteria (19.56%), Bacteroidetes (11.40%), Actinobacteria (5.78%), and Proteobacteria (3.26%), etc. Age, gender, and feeding environment all had important effects on the fecal microbiota of spotted hyenas, among which feeding environment might be the most significant. The abundance of the Firmicutes in the adult group was significantly higher than that in the juvenile group, whereas the abundance of Fusobacteria, Bacteroidetes, and Proteobacteria were significantly lower than that in the juvenile group. The abundance of Lachnospiraceae and Ruminococcaceae in the female group was significantly higher than that in the male group. There were significant differences between the fecal microbial communities of Jinan group and Weihai group, and microbes from the phyla Firmicutes and Synergistetes were representative species associated with the difference.

UI MeSH Term Description Entries
D008297 Male Males
D005243 Feces Excrement from the INTESTINES, containing unabsorbed solids, waste products, secretions, and BACTERIA of the DIGESTIVE SYSTEM.
D005260 Female Females
D000069196 Gastrointestinal Microbiome All of the microbial organisms that naturally exist within the GASTROINTESTINAL TRACT. Enteric Bacteria,Gastric Microbiome,Gastrointestinal Flora,Gastrointestinal Microbial Community,Gastrointestinal Microbiota,Gastrointestinal Microflora,Gut Flora,Gut Microbiome,Gut Microbiota,Gut Microflora,Intestinal Flora,Intestinal Microbiome,Intestinal Microbiota,Intestinal Microflora,Bacteria, Enteric,Flora, Gastrointestinal,Flora, Gut,Flora, Intestinal,Gastric Microbiomes,Gastrointestinal Microbial Communities,Gastrointestinal Microbiomes,Gastrointestinal Microbiotas,Gut Microbiomes,Gut Microbiotas,Intestinal Microbiomes,Intestinal Microbiotas,Microbial Community, Gastrointestinal,Microbiome, Gastric,Microbiome, Gastrointestinal,Microbiome, Gut,Microbiome, Intestinal,Microbiota, Gastrointestinal,Microbiota, Gut,Microbiota, Intestinal,Microflora, Gastrointestinal,Microflora, Gut,Microflora, Intestinal
D000375 Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. Senescence,Aging, Biological,Biological Aging
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001419 Bacteria One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive. Eubacteria
D015233 Models, Statistical Statistical formulations or analyses which, when applied to data and found to fit the data, are then used to verify the assumptions and parameters used in the analysis. Examples of statistical models are the linear model, binomial model, polynomial model, two-parameter model, etc. Probabilistic Models,Statistical Models,Two-Parameter Models,Model, Statistical,Models, Binomial,Models, Polynomial,Statistical Model,Binomial Model,Binomial Models,Model, Binomial,Model, Polynomial,Model, Probabilistic,Model, Two-Parameter,Models, Probabilistic,Models, Two-Parameter,Polynomial Model,Polynomial Models,Probabilistic Model,Two Parameter Models,Two-Parameter Model
D045968 Hyaenidae A family of large terrestrial carnivores possessing long legs, coarse guard hairs and a bushy tail. It comprises hyenas and aardwolves. Aardwolves,Hyenas,Proteles,Aardwolve,Hyena,Protele

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