The impact of nutrients on gut microbial communities and host life-history of an insect

Soon Hwee Ng

doi:10.26182/5d2d317128225

The impact of nutrients on gut microbial communities and host life-history of an insect

Soon Hwee Ng

School of Biological Sciences

Research output: Thesis › Doctoral Thesis

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Abstract

This thesis looks at the effects of macronutrients and micronutrients on different life history traits in the Australian field cricket, Teleogryllus oceanicus. It shows that different macronutrients are not simply calories to be allocated to different traits, but directly determine the expression of different life history traits and mediate their trade-offs. Moreover, specific nutrients affect the relative abundances of different bacterial species in the cricket's gut and impact gut microbial diversity. As a result, the bacterial gene pool and its metabolic capabilities are altered by diet, with the potential to change the interaction between the gut microbiome and its host.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Kennington, Jason, Supervisor Simmons, Leigh, Supervisor Simpson, Stephen J., Supervisor, External person
Thesis sponsors	Australian Government Research Training Program
Award date	4 Jul 2019
DOIs	https://doi.org/10.26182/5d2d317128225
Publication status	Unpublished - 2019

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THESIS - DOCTOR OF PHILOSOPHY - NG Soon Hwee - 2019
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Cite this

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AB - This thesis looks at the effects of macronutrients and micronutrients on different life history traits in the Australian field cricket, Teleogryllus oceanicus. It shows that different macronutrients are not simply calories to be allocated to different traits, but directly determine the expression of different life history traits and mediate their trade-offs. Moreover, specific nutrients affect the relative abundances of different bacterial species in the cricket's gut and impact gut microbial diversity. As a result, the bacterial gene pool and its metabolic capabilities are altered by diet, with the potential to change the interaction between the gut microbiome and its host.

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KW - gut microbiome

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The impact of nutrients on gut microbial communities and host life-history of an insect

Abstract

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