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Table 4.

Growth Coefficients of the Regression Line of Microsatellite Excess as a Function of Length

Database		Dinucleotides		Trinucleotides
Database		noncoding	coding	Δ(slope)	noncoding	coding	Δ(slope)
S. cerevisiae	0.69	0.61	−0.08	0.47	0.60	0.13
C. elegans	0.54	0.34	−0.20	0.36	0.22	−0.14
Plants	0.57	0.070	−0.50	0.37	0.50	0.13
Primates	0.58	0.073	−0.51	0.37	0.59	0.22
S. pombe	0.69	0.15	−0.54	0.61	0.59	−0.02
Drosophila	0.54	0.58	0.04	0.32	0.55	0.23
Mus	0.62	0.32	−0.30	0.41	0.44	0.03
Mean	0.60	0.31	−0.29	0.41	0.50	0.09
Wilcoxon paired sample P (two-tailed)	0.05 > P > 0.02		0.5 > P > 0.2

[i] Expectations calculated on the basis of motif frequencies (dinucleotide frequencies in the case of dinucleotide repeats and trinucleotide frequencies in the case of trinucleotide repeats).