Fig. 1: Srlp is required for the self-renewal and differentiation of germline stem cells (GSCs) in Drosophila testes.

a Distribution of germ cells and somatic cells in the apex of the testis of control and nos>Srlp RNA interference (RNAi) flies. b Distribution of germ cells and somatic cells in the apex of the testis of control and tj>Srlp RNAi flies. c Distribution of germ cells and somatic cells in the apex of the testis of control and tj>Srlp RNAi flies. Immunostaining using anti-Vasa (green), anti-Eya (red in a, b), anti-DE-cad (blue in a, b), anti-Zfh1 (red in c), and anti-FasIII (blue in c) antibodies. Scale bar: 50 μm