Dot blot analysis of E. coli strains expressed rhGH in LB and 4YT mediums. A1: GH 1 mgr/ml, A2: GH 100 μgr/ml, A3: GH 10 μgr/ml, A4: GH 1 μgr/ ml, A5: GH 100 ngr/ml, A6: PBS, A7: control – with out loading, A8: Top10 none transformed supernatant, A9: Top10 none transformed cell lysate, A10: Top10 transformed LB T0 supernatant, A11: Top10 transformed LB T0 cell lysate, B1: Top10 transformed LB T5 supernatant, B2: Top10 transformed LB T5 supernatant 1/10 diluted, B3: Top10 transformed LB T5 cell lysate, B4: Top10 transformed LB T5 cell lysate 1/10 diluted, B5: Top10 transformed 4YT T0 supernatant, B6: Top10 transformed 4YT T0 cell lysate, B7: Top10 transformed 4YT T5 supernatant, B8: Top10 transformed 4YT T5 supernatant 1/10 diluted, B9: Top10 transformed 4YT T5 cell lysate, B10: Top10 transformed 4YT T5 cell lysate 1/10 diluted, B11 to C11: Top10 repeat 2, D1 to E1: Top10 repeat 3. E2 to F4: repeat 1 of XL1-blue, F5 to G5: repeat 2, G6 to H6: repeat 3. H7 to I9: repeat 1 of JM109, I10 to J10: repeat 2 and J11 to K11: repeat 3.