| 6. | Response: The Mitochondrial β-Signal and Protein Sorting Pages 1159-1160 Stephan Kutik, Diana Stojanovski, Thomas Becker, David A. Stroud, Lars Becker, Michael Meinecke, Vivien Krüger, Claudia Prinz, Bernard Guiard, Richard Wagner, Chris Meisinger, Nikolaus Pfanner, Nils Wiedemann | | | 23. | Germline Competent Embryonic Stem Cells Derived from Rat Blastocysts Pages 1299-1310 Ping Li, Chang Tong, Ruty Mehrian-Shai, Li Jia, Nancy Wu, Youzhen Yan, Robert E. Maxson, Eric N. Schulze, Houyan Song, Chih-Lin Hsieh, Martin F. Pera, Qi-Long Ying | | |