Table 1.

Characteristics of flash responses of single rods

Id (pA)Io (photons μm−2)aTime to peak (ms)Elementary amplitude (pA)Flash sensitivity (pA/photons μm−2)τrec (ms)Integration time (ms)
Wild type13.2 ± 0.6 (33)48.3 ± 2.1 (25)111 ± 6 (28)0.58 ± 0.07 (18)0.186 ± 0.018 (26)200 ± 9 (26)278 ± 22 (26)
G38D/Tα+/−12.1 ± 0.5 (27)####77.4 ± 6.0 (22)****#109 ± 9 (22)0.37 ± 0.06 (14)*##0.116 ± 0.014 (24)**##207 ± 14 (20)301 ± 33 (22)
TαEE/Tα+/−17.3 ± 0.8 (30)****57.7 ± 4.7 (23)115 ± 8 (24)0.79 ± 0.10 (19)0.255 ± 0.041 (22)181 ± 24 (21)270 ± 23 (22)
G38D/Tα−/−11.5 ± 0.5 (26)*####2,296 ± 125 (26)****####192 ± 43 (25)*ND0.0035 ± 0.0003 (23)****####2,992 ± 331 (19)****####1,892 ± 284 (18)****####
TαEE /Tα−/−16.5 ± 0.7 (31)***59.0 ± 3.7 (20)*132 ± 11 (26)0.62 ± 0.05 (19)0.203 ± 0.019 (23)209 ± 9 (24)317 ± 18 (25)
  • All values are mean ± SE (number of cells). ND, Not determined. Significance values from t test versus wild type:

  • *p < 0.05;

  • **p < 0.01;

  • ***p < 0.001;

  • ****p < 0.0001. Significance values from t test versus TαEE/Tα+/− or TαEE/Tα−/−:

  • #p < 0.05;

  • ##p < 0.01;

  • ###p < 0.001;

  • ####p < 0.0001.

  • aFlash strength that elicited a half-maximal response.