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The development of gut microbiota in ostriches and its association with juvenile growth

View ORCID ProfileElin Videvall, Se Jin Song, Hanna M. Bensch, Maria Strandh, Anel Engelbrecht, Naomi Serfontein, Olof Hellgren, Adriaan Olivier, Schalk Cloete, Rob Knight, Charlie K. Cornwallis
doi: https://doi.org/10.1101/270017
Elin Videvall
1Department of Biology, Lund University, Lund, Sweden
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Se Jin Song
2Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
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Hanna M. Bensch
1Department of Biology, Lund University, Lund, Sweden
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Maria Strandh
1Department of Biology, Lund University, Lund, Sweden
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Anel Engelbrecht
3Directorate Animal Sciences, Western Cape Department of Agriculture, Elsenburg, South Africa
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Naomi Serfontein
4Western Cape Agricultural Research Trust, Elsenburg, South Africa
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Olof Hellgren
1Department of Biology, Lund University, Lund, Sweden
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Adriaan Olivier
5Klein Karoo International, Research and Development, Oudtshoorn, South Africa
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Schalk Cloete
3Directorate Animal Sciences, Western Cape Department of Agriculture, Elsenburg, South Africa
6Department of Animal Sciences, Stellenbosch University, Matieland, South Africa
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Rob Knight
2Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
7Department of Computer Science & Engineering, University of California San Diego, La Jolla, CA, USA
8Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
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Charlie K. Cornwallis
1Department of Biology, Lund University, Lund, Sweden
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Abstract

The development of gut microbiota during ontogeny in vertebrates is emerging as an important process influencing physiology, immune system, health, and adult fitness. However, we have little knowledge of how the gut microbiome is colonised and develops in non-model organisms, and to what extent microbial diversity and specific taxa influence changes in fitness-related traits. Here, we used 16S rRNA gene sequencing to describe the successional development of the faecal microbiota in juvenile ostriches (Struthio camelus; n = 71) over their first three months of life, during which time a five-fold difference in weight was observed. We found a gradual increase in microbial diversity with age, an overall convergence in community composition among individuals, multiple colonisation and extinction events, and major taxonomic shifts coinciding with the cessation of yolk absorption. In addition, we discovered significant but complex associations between juvenile growth and microbial diversity, and identified distinct bacterial groups that had positive (Bacteroidaceae) and negative (Enterobacteriaceae, Enterococcaceae, Lactobacillaceae) correlations with the growth of individuals at specific ages. These results have broad implications for our understanding of the development of gut microbiota and its association with juvenile growth.

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Posted February 23, 2018.
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The development of gut microbiota in ostriches and its association with juvenile growth
Elin Videvall, Se Jin Song, Hanna M. Bensch, Maria Strandh, Anel Engelbrecht, Naomi Serfontein, Olof Hellgren, Adriaan Olivier, Schalk Cloete, Rob Knight, Charlie K. Cornwallis
bioRxiv 270017; doi: https://doi.org/10.1101/270017
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The development of gut microbiota in ostriches and its association with juvenile growth
Elin Videvall, Se Jin Song, Hanna M. Bensch, Maria Strandh, Anel Engelbrecht, Naomi Serfontein, Olof Hellgren, Adriaan Olivier, Schalk Cloete, Rob Knight, Charlie K. Cornwallis
bioRxiv 270017; doi: https://doi.org/10.1101/270017

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