Table 2 Positively selected sites in corresponding genes of Chlamydomonas sp. ICE-L, Dunaliella salina and Chlorella sp. ArM0029B

atpA

Null

ω0 = 0.026, ω1 = 1, ω2 = 1

Alternative

4.28E-04

ω0 = 0.026, ω1 = 1, ω2 = 49.199

259–0.994, 269–0.951, 373–0.977, 382–0.996, 426–0.969, 429–0.978, 432–0.992, 434–0.998, 450–0.952, 455–0.978

atpB

Null

ω0 = 0.023, ω1 = 1, ω2 = 1

Alternative

5.43E-10

ω0 = 0.022, ω1 = 1, ω2 = 999

24–1.000, 107–0.978, 109–0.999, 375–0.998,

Null

ω0 = 0.021, ω1 = 1, ω2 = 1

Alternative

2.37E-03

ω0 = 0.021, ω1 = 1, ω2 = 57.824

112–0.975, 297–0.970, 305–0.970, 331–0.966, 371–0.977

atpE

Null

ω0 = 0.030, ω1 = 1, ω2 = 1

Alternative

4.29E-02

ω0 = 0.030, ω1 = 1, ω2 = 694.685

100–0.987

petA

Null

ω0 = 0.042, ω1 = 1, ω2 = 1

Alternative

4.29E-02

ω0 = 0.042, ω1 = 1, ω2 = 999

216–0.984, 243–0.986

psaB

Null

ω0 = 0.015, ω1 = 1, ω2 = 1

Alternative

1.60E-02

ω0 = 0.016, ω1 = 1, ω2 = 998.999

220–0.972, 356–0.985, 646–0.990

psbC

Null

ω0 = 0.019, ω1 = 1, ω2 = 1

Alternative

4.47E-03

ω0 = 0.019, ω1 = 1, ω2 = 999

207–0.958, 355–0.988, 360–0.980, 410–0.992

rbcL

Null

ω0 = 0.016, ω1 = 1, ω2 = 1

Alternative

3.31E-04

ω0 = 0.017, ω1 = 1, ω2 = 365.261

372–0.969, 450–0.999, 457–0.994