Adaptive evolution of centromere proteins in plants and animals

Journal of Biology

Table 2 Regions of selection in pairwise comparisons of maize CenpcA, Sorghum bicolor Cenpc, and sugarcane Cenpc1

Exons	Direction of selection	Maize vs. Sorghum	Maize vs. sugarcane	Sorghum vs. sugarcane
1	+	12-44	12-44	1-42
		+	+ (0.17)	+ (0.04)
1-5	-	34-165	23-176	87-163
		-	-	-
4-6	+	155-253	166-253	153-317
		+	+	+
6	*		232-286
			-
6	-	298-363	298-363	298-352
		-	-	- (0.13)
6	+	353-409	342-407	397-431
		+	+	+ (0.06)
6-12	-	410-621	397-630	432-579
		-	-	-
12-14	*	611-687	609-685	591-700
		+	+	-

+, K_a > K_s; -, K_a < K_s; p ≤ 0.01 except where given in parentheses. * Direction of selection varies with lineage. Regions of selection are identified by codon positions based on the sequence of maize CenpcA.