Table 2 Likelihood analysis of the usp sequence datasets along three successive branches of the Mecopterida radiation
From: Molecular adaptation and resilience of the insect’s nuclear receptor USP
Model | Likelihood Ratio Test | |||||
|---|---|---|---|---|---|---|
No Shift | Branch relaxation | Branch positive selection Branch positive selection | Relaxation | positive selection | ||
M1a (nearly neutral) | modified branch-site model A ω2 = 1 fixed | modified branch-site model A | test 1 | test 2 | ||
LnL (np) | Ln L (np) | LnL (np) | ω 2 | p-value | p-value | |
Branch A | -11732.4 (55) | -11713.2 (56) | -11711.1 (57) | 999 | 6.6 10-11 | 4.2 10 -2 |
Branch B | -9769.8 (41) | -9754.5 (42) | -9750.9 (43) | 97.3 | 8.0 10-9 | 6.8 10 -3 |
Branch C | -6946.6 (25) | -6938.1 (26) | -6937.5 (27) | 4.75 | 1.1 10-4 | 0.56 |