Cyanobacterial Acclimation to Limiting CO2 Amounts: Photorespiration, Inorganic Carbon Sensing and Synthetic Biology Approaches

Start time: 13:00 / End time: 14:00 / Date: 15 Oct 2018 / Venue: Lecture Theatre 2 Life Sciences Building

Open to: Students in host dept/school/institute/centre / Staff in host dept/school/institute/centre / Students from same Faculty as host dept/school/institute/centre / Staff from same Faculty as host dept/school/institute/centre / Staff within this Faculty / Specific UOL Students (for details see 'Suitable For') / Specific UOL Staff (for details see 'Suitable For')

Type: Seminar

Cost: Free

Contact: For more information contact Luning Liu at luning.liu@liverpool.ac.uk


About the event

Speaker: Martin Hagemann (University of Rostock)

Cyanobacteria evolved an efficient inorganic carbon metabolism (CCM) that allows Rubisco to work under saturating CO2-conditions. Nevertheless, the photorespiratory metabolism remains essential for cyanobacteria under ambient air conditions to remove toxic byproducts of the Rubisco oxygenase reaction. Our transcriptomic and metabolomic results have revealed that the acclimation to low CO2 (LC) conditions involves the coordinated up-regulation of many genes mostly encoding for components of the CCM and many other proteins. These expression changes are accompanied by characteristic shifts in metabolite pools; among them many photorespiratory intermediates were transiently accumulated. The transcript and metabolic patterns of wild-type cells were compared to mutants defective in the CCM to support the role of metabolic signals such as phosphoglycolate as potential signal molecules. In addition, I will discuss other signals that might be involved in the sensing of LC conditions, such as the newly discovered PII-like protein SbtB. Our studies will inform the generation of artificial photorespiratory pathways, which are supposed to work without CO2 loss or can even fix additional CO2.

Add this event to my calendar

(?)

When you click on "Add this event to my calendar" your browser will download an ics file.

Microsoft Outlook: Download the file, then you may be able to click on "Save & Close" to save it to your calendar. If that doesn't work go into Outlook, click on the File tab, then on Open, then Import. Select "Import an iCalendar (.ic or vCalendar file (.vcs)" then click on Next. Find the .ics file and click on OK.

Google Calendar: download the file, then go into your calendar. On the right where it says "Other calendars" click on the arrow icon and then click on Import calendar. Click on Browse and select the .ics file, then click on Import.

Apple Calendar: download the file, then you can either drag it to Calendar or import the file by going to File > Import > Import and choosing the .ics file.