Table 2.

Results from branch models that assume branch-specific changes in the selection coefficient (ω) in Neobatrachia, based on single-gene alignments and the all-mt gene datasets

Models gene	Null model	Neobatrachia		Anura		Natatanura
		Backgr	Branch	Backgr	Branch	Backgr	Branch
atp6	0.0349	0.0186	0.0433	0.0166	0.0354	0.0193	0.0570
atp8	0.0399	-	-	-	-	-	-
cox1	0.0108	0.0072	0.0138	0.0078	0.0111	0.0077	0.0163
cox2	0.0266	0.0186	0.0330	0.0205	0.0270	0.0184	0.0401
cox3	0.0270	0.0226	0.0298	0.0344	0.0265	0.0228	0.0327
cob	0.0277	0.0294	0.0268	0.0519	0.0265	0.0256	0.0303
nad1	0.0331	0.0262	0.0376	0.0364	0.0329	0.0266	0.0427
nad2	0.0560	0.0457	0.0607	0.0282	0.0571	0.0437	0.0702
nad3	0.0618	0.0615	0.0619	0.0550	0.0624	0.0534	0.0730
nad4	0.0432	0.0367	0.0470	0.0201	0.0439	0.0362	0.0527
nad4L	0.0369	0.0435	0.0335	0.0270	0.0371	0.0377	0.0362
nad5	0.0479	0.0385	0.0552	0.0428	0.0482	0.0382	0.0663
nad6	0.0370	0.0308	0.0393	0.0192	0.0381	0.0336	0.0411
All gene	0.0480	0.0428	0.0516	0.0494	0.0479	0.0410	0.0584

Bold highlight results that are significantly different to the null model (LRT p < 0.05).