Ageing of water pythons

Date & time

1pm 24 May 2012

Location

Gould Seminar Room (Room 235) Gould building, 116 Daley Road, ANU

Description

Dr Beata Ujvari
Postdoctoral Research Fellow, Faculty of Veterinary Sciences, The University of Sydney

Our long-term study of water pythons (Liasis fuscus) has revealed a dramatic variation in individual adult longevity (ranging from <5 to >20 years), and that mortality in the wild is rarely a result of ecological/environmental factors such as predation, but rather of age-dependent variation in ability to combat infections. Immune challenges of different aged pythons revealed that age-related changes in python immune function may follow different and opposing pathways.

I will discuss our findings in context of the general principles of immunosenescence, with special emphasis on the role of less known antigens in maintaining immunocompetence during the ageing process.

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