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The architectural significance of Gram-negative periplasm

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thesis
posted on 21.05.2020 by ERIC JOSEPH LOLEH MANDELA
This thesis investigates the architectural design principles of periplasmic space in bacterial cells. In this study, the periplasm was artificially increased in size using an artificial protein isoform, then a genetic screen was performed to identify periplasmic processes that rely on strict control of the periplasmic size. The strain with an enlarged periplasm was extensively characterised revealing few distinct phenotypes, an indicator that it adapts to the periplasmic size increase. How the strain adapts was investigated through transcriptional and proteomic profiling, where a dynamic adaptation response network was established giving insights into Gram-negatives ability to occupy different environmental niches.

History

Principal supervisor

Trevor Lithgow

Additional supervisor 1

Iain Hay

Year of Award

2020

Department, School or Centre

Microbiology

Campus location

Australia

Course

Doctor of Philosophy

Degree Type

DOCTORATE

Exports

Exports