\ List of the Projects of Experiments. (Oct. 4, 1955) Tetsuo Tino I. Experiments on the effect of the difference of phase on the H-antigen transduction. 1. Reconstruction experiment. b:(1,2) Gal™ (1):enx Galt 4:1,2 Gal 24hour Penasgey broth 24hour penageay broth 24hour penagsay broth culture. /m2 culture. 109/ml culture. 107/ml dilute ~—~cheek conc. — dilute check conc. of cultures of caltures. & x 107/m1 4 x'10?/m1 \ 5 ml 0.25 ml 0.5 1 aout 33 jai 5x 108/m1) A a brush on anti-i,-1,2 MGA check number of the cells in a loop plates 31) large loop (8 x 107/ml) “3: (1,2) Gal” (i):enx Gal i:1,2 Gal’ 8/ brush 8/ brush 4 x 106/brush 2. Transduction frem Sa}. abony(Fla, bsenx) to TM-2 Fla--5 (1:12). a). Obtain Gal~ mtant from TM-2 Fia*-s. b). Obtain single phase culture of TM-2 Fla -5. eo}. Traneduction experiment: TH-2 Fla™-5, 43(1,2) Sal. abony Plat, bv: (enx) ———_—-g 1:1 mixture of Gal. T™N-2 Fla P25, (4)1,2 Gal Sal. bony Fla’? (b) $enx x f ft Screen Fla’ swarms on MGA-plates, ani test antigen. 3. Transduction between single phase cultures (antiserum selection). a). [= 4 ——~£ 1:1 mix of Sal. abony b, Gal” and enx, Gal’. TM-2 1,2 nS " " " ° b). {M2 4 x , b, Gal’ and enz,Gal . M-2 1,2——x " " " . x l:l mix of ™-2 1, Gal and 1,2, Gal*. c). Sal. abony b " enx ——-—-x 8 " 8 . x " 4, Gal* and 1,2,2Gal™. a). JSal. abony b " enx —————"-x " " Cl ° II. Experimants on the i:b: ens-etkehere 4, Recover unstable i°b*/ a*o” from original culture of i:b;enx-strain. 5. Compare changed reactivity of b and i in parent cultures as function of mediun. ™-2 1 Sal. aboxy > Penassay broth " " p,i transfer to EMB-ager " " (b) 4 Minimal agar u iy L Compare the intensities of agglutination for anti-b and anti-i. 6. Alternative phase of ity, a).Brush the culture of i*b” on MGA containingganti-i or anti~i + anti-enx, b). Test the antigen types of the swarns developed. %. Transductton of H, from 1:b:enx. a}. Prepare lysate of i:b:enx. If U.¥. is not efficient to induce phage, use penicillin. b). Transduction: i:r:enx x Sal. abony 3:enx (select by anti-b and ~ept) c). Transduction: Plati:r:enx x Sal. paratyphi SW666 Fla » 8. Test of the locus specificity in H,-transduction to i:r:enz. x itrsenx a). Sal. sendai a:1,5 b). Sal. altendorf o:1,7 -——x " c). Seal. sega a:36 Hx * In each case, brush on MGA containing anti~-r and anti-enx, and test the types of antigen of swarms developed,