|Selection tests of starch synthases in A. thaliana|
|Positive selection||Purifying selection||Tajima’s D|
|Z statistic||p value||Z statistic||p value||D value||p value|
|AtSSI||−4.150||1.000||4.244||0.000||0.757||p > 0.10|
|AtSSII||−0.706||1.000||0.721||0.236||−1.386||p > 0.10|
|AtSSIII||−2.870||1.000||2.811||0.003||−0.357||p > 0.10|
|AtSSIV||−1.692||1.000||1.758||0.041||−0.992||p > 0.10|
|AtGBSS||−2.644||1.000||2.497||0.004||0.309||p > 0.10|
Z-test of selection with null hypothesis (H0: dN = dS) was tested with two different alternative hypothesis such as positive selection (HA: dN > dS) and purifying selection (HA: dN < dS). Z statistics and Tajima’s D as well as significance values (p value) were calculated with coding sequences (CDS) of each starch synthase.
Schwarte et al.
Schwarte et al. BMC Research Notes 2013 6:84 doi:10.1186/1756-0500-6-84