The GCB 2012 Satellite Workshop Systems Biology of Ageing will take place in the Abbe Centre which is located on the Beutenberg Campus in Jena / Germany. The distance between the Centre and the Leibniz Institute for Age Research - Fritz Lipmann Institute (FLI) is only about 300 m. So you can directly use the Visitor Information provided by the FLI. See also the campus map: Abbe Centre - building 11; FLI - building 16.
Please note that you can buy tickets for public transportation either in the JeNah Service Centre (Holzmarkt 1, 07743 Jena) or in buses or trams. In the latter case coined money or the German GeldKarte is accepted (single ticket: 1.80 €).