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Microscopic organisms, climate change and life under the sea

Monday, 08 October 2018


Congratulations to PhD students’ Ms Flavia Tarquinio and Ms Rachele Bernasconi, and Honours student Miss Jacquelyn Jones for having their research published recently in peer-reviewed scientific journals.

Flavia's paper titled ‘Microorganisms and their ability to facilitate uptake of dissolved organic nitrogen by seagrass leaves’ has been published in The ISME Journal. The PhD study, completed this year, found these tiny organisms play a critical role in the nitrogen cycling of seagrass by mineralising dissolved organic nitrogen (DON) compounds into bioavailable inorganic forms (DIN) and significantly changed our understanding of the mechanisms of nitrogen use by these important coastal ecosystems.

Jacquelyn completed her Honours last year, had her work published in Frontiers Microbiology titled ‘The microbiome of the gastrointestinal tract of a range-shifting marine herbivorous fish’ . Globally, we are observing the poleward extensions in distribution of marine species’ caused by rising ocean temperatures, and this study suggests microbiomes may play a role in the enabling of herbivorous fish to colonise new environments.

And current PhD student, Rachele, published a paper in Microbial Ecology titled ‘Global Networks of Symbiodinium-Bacteria within the Coral Holobiont’ with one of the major findings identifying both coral host and environment as important factors driving the diversity of coral assemblages.

Well done on your hard work and achievement.


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