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The Host as the Driver of the Microbiota in the Gut and External Environment of Drosophila melanogaster.

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Title: The Host as the Driver of the Microbiota in the Gut and External Environment of Drosophila melanogaster.
Authors: Wong, Adam C.-N.1,2, Yuan Luo1, Xiangfeng Jing1, Franzenburg, Soeren1, Bost, Alyssa1, Douglas, Angela E.1,3 aes326@cornell.edu
Source: Applied & Environmental Microbiology. Sep2015, Vol. 81 Issue 18, p6232-6240. 9p.
Subjects: Drosophila melanogaster, Microbial cells, Acetobacter, Lactobacillus, Microorganisms
Abstract: Most associations between animals and their gut microbiota are dynamic, involving sustained transfer of food-associated microbial cells into the gut and shedding of microorganisms into the external environment with feces, but the interacting effects of host and microbial factors on the composition of the internal and external microbial communities are poorly understood. This study on laboratory cultures of the fruit fly Drosophila melanogaster reared in continuous contact with their food revealed time-dependent changes of the microbial communities in the food that were strongly influenced by the presence and abundance of Drosophila. When germfree Drosophila eggs were aseptically added to nonsterile food, the microbiota in the food and flies converged to a composition dramatically different from that in fly-free food, showing that Drosophila has microbiota-independent effects on the food microbiota. The microbiota in both the flies that developed from unmanipulated eggs (bearing microorganisms) and the associated food was dominated by the bacteria most abundant on the eggs, demonstrating effective vertical transmission via surface contamination of eggs. Food coinoculated with a four-species defined bacterial community of Acetobacter and Lactobacillus species revealed the progressive elimination of Lactobacillus from the food bearing few or no Drosophila, indicating the presence of antagonistic interactions between Acetobacter and Lactobacillus. Drosophila at high densities ameliorated the Acetobacter/Lactobacillus antagonism, enabling Lactobacillus to persist. This study with Drosophila demonstrates how animals can have major, coordinated effects on the composition of microbial communities in the gut and immediate environment. [ABSTRACT FROM AUTHOR]
Copyright of Applied & Environmental Microbiology is the property of American Society for Microbiology and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 109066542
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: The Host as the Driver of the Microbiota in the Gut and External Environment of Drosophila melanogaster.
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  Data: <searchLink fieldCode="AR" term="%22Wong%2C+Adam+C%2E-N%2E%22">Wong, Adam C.-N.</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Yuan+Luo%22">Yuan Luo</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xiangfeng+Jing%22">Xiangfeng Jing</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Franzenburg%2C+Soeren%22">Franzenburg, Soeren</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Bost%2C+Alyssa%22">Bost, Alyssa</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Douglas%2C+Angela+E%2E%22">Douglas, Angela E.</searchLink><relatesTo>1,3</relatesTo><i> aes326@cornell.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22Applied+%26+Environmental+Microbiology%22">Applied & Environmental Microbiology</searchLink>. Sep2015, Vol. 81 Issue 18, p6232-6240. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Drosophila+melanogaster%22">Drosophila melanogaster</searchLink><br /><searchLink fieldCode="DE" term="%22Microbial+cells%22">Microbial cells</searchLink><br /><searchLink fieldCode="DE" term="%22Acetobacter%22">Acetobacter</searchLink><br /><searchLink fieldCode="DE" term="%22Lactobacillus%22">Lactobacillus</searchLink><br /><searchLink fieldCode="DE" term="%22Microorganisms%22">Microorganisms</searchLink>
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  Label: Abstract
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  Data: Most associations between animals and their gut microbiota are dynamic, involving sustained transfer of food-associated microbial cells into the gut and shedding of microorganisms into the external environment with feces, but the interacting effects of host and microbial factors on the composition of the internal and external microbial communities are poorly understood. This study on laboratory cultures of the fruit fly Drosophila melanogaster reared in continuous contact with their food revealed time-dependent changes of the microbial communities in the food that were strongly influenced by the presence and abundance of Drosophila. When germfree Drosophila eggs were aseptically added to nonsterile food, the microbiota in the food and flies converged to a composition dramatically different from that in fly-free food, showing that Drosophila has microbiota-independent effects on the food microbiota. The microbiota in both the flies that developed from unmanipulated eggs (bearing microorganisms) and the associated food was dominated by the bacteria most abundant on the eggs, demonstrating effective vertical transmission via surface contamination of eggs. Food coinoculated with a four-species defined bacterial community of Acetobacter and Lactobacillus species revealed the progressive elimination of Lactobacillus from the food bearing few or no Drosophila, indicating the presence of antagonistic interactions between Acetobacter and Lactobacillus. Drosophila at high densities ameliorated the Acetobacter/Lactobacillus antagonism, enabling Lactobacillus to persist. This study with Drosophila demonstrates how animals can have major, coordinated effects on the composition of microbial communities in the gut and immediate environment. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Applied & Environmental Microbiology is the property of American Society for Microbiology and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1128/AEM.01442-15
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        Text: English
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      – SubjectFull: Acetobacter
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              Text: Sep2015
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