Table 29

Influence of temperature on imprinting

(Csaba, G., Németh. G., Vargha, P.: Influence of low and high temperature on diiodotyrosine imprinting in Tetrahymena. Acta Biol. Hung. 36, 147-151, 1985)

Mean growth rates of cultures exposed to T₂ in different stages of the experiment and at different temperatures

Culturing temperatures (Stage 1)

Cult. Temp Stage 2	Treatment	15 ^oC	15 ^oC	25 ^oC	25 ^oC	32 ^oC	32 ^oC
		-	T2	-	T2	-	T2
15 ^oC	-	10.8	14.4	11.9	16.6	-	-
15 ^oC	T2	16.4	14.5	13.8	19.2	-	-
25 ^oC	-	14.6	15.1	13.6	16.6	15.8	16.0
25 ^oC	T2	15.9	16.2	18.0	20.3	17.3	15.9
32 ^oC	-	-	-	11.8	17.4	11.6	14.0
32 ^oC	T2	-	-	15.6	13.4	14.8	12.8

Significant differences between means= p<0.001

Conclusions:

1. Imprinting at the optimal temperature (25 ^oC) influences reexposure at 15 or 32 ^oC.
2. There was no similar effect if first exposure was at 15 or 32 ^oC..