Spatial Microbial Composition Along the Gastrointestinal Tract of Captive Attwater’s Prairie Chicken

Yan Zhang, Stephanie E. Simon, Jeff A. Johnson, Michael Shane Allen

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Gastrointestinal microbiota is increasingly recognized as an important component of individual health, and therefore, our ability to quantify its diversity accurately is central for exploring different ways to improve health. Non-invasive sampling methods, such as cloaca swabs, are often used to measure gastrointestinal microbiota diversity within an individual. However, few studies have addressed to what degree differences exist in microbial community composition along the gastrointestinal tract, and measures obtained from the cloaca may not actually represent the diversity present elsewhere in the gastrointestinal tract. In this study, we systematically characterized the gastrointestinal microbial community of the critically endangered Attwater’s Prairie chicken (Tympanuchus cupido attwateri) by opportunistically sampling four different locations (ileum, cecum, large intestine, and cloaca) along the gastrointestinal tract of eight individuals. Spatial variation of microbial community was observed at different sampling locations within the gastrointestinal tract. The cecum harbored the most diverse and significantly different microbiota from the other locations, while the microbial α- and β-diversities were similar in the ileum, large intestine, and cloaca. The results of this study provide evidence that microbiota diversity can differ depending on sampling location and metric used to quantify diversity. As shown here, non-invasive cloacal sampling strategies may reflect microbiota diversity elsewhere in the gastrointestinal tract, yet caution is warranted when making generalizations in terms of the microbiota diversity correlations when samples are obtained from a single location within the gastrointestinal tract.

Original languageEnglish
Pages (from-to)966-977
Number of pages12
JournalMicrobial Ecology
Volume73
Issue number4
DOIs
StatePublished - 1 May 2017

Fingerprint

prairie
gastrointestinal system
cloaca
microorganisms
sampling
microbial community
microbial communities
large intestine
ileum
cecum
community composition
spatial variation
Tympanuchus cupido attwateri
health

Keywords

  • Gastrointestinal microbiota
  • Ion Torrent sequencing
  • Prairie chicken
  • Tympanuchus

Cite this

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abstract = "Gastrointestinal microbiota is increasingly recognized as an important component of individual health, and therefore, our ability to quantify its diversity accurately is central for exploring different ways to improve health. Non-invasive sampling methods, such as cloaca swabs, are often used to measure gastrointestinal microbiota diversity within an individual. However, few studies have addressed to what degree differences exist in microbial community composition along the gastrointestinal tract, and measures obtained from the cloaca may not actually represent the diversity present elsewhere in the gastrointestinal tract. In this study, we systematically characterized the gastrointestinal microbial community of the critically endangered Attwater’s Prairie chicken (Tympanuchus cupido attwateri) by opportunistically sampling four different locations (ileum, cecum, large intestine, and cloaca) along the gastrointestinal tract of eight individuals. Spatial variation of microbial community was observed at different sampling locations within the gastrointestinal tract. The cecum harbored the most diverse and significantly different microbiota from the other locations, while the microbial α- and β-diversities were similar in the ileum, large intestine, and cloaca. The results of this study provide evidence that microbiota diversity can differ depending on sampling location and metric used to quantify diversity. As shown here, non-invasive cloacal sampling strategies may reflect microbiota diversity elsewhere in the gastrointestinal tract, yet caution is warranted when making generalizations in terms of the microbiota diversity correlations when samples are obtained from a single location within the gastrointestinal tract.",
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Spatial Microbial Composition Along the Gastrointestinal Tract of Captive Attwater’s Prairie Chicken. / Zhang, Yan; Simon, Stephanie E.; Johnson, Jeff A.; Allen, Michael Shane.

In: Microbial Ecology, Vol. 73, No. 4, 01.05.2017, p. 966-977.

Research output: Contribution to journalArticle

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