Cophylogenetic interactions between marine viruses and eukaryotic picophytoplankton

Table 4 Results of the cophylogenetic analyses with ParaFit ("links" refer to individual host-virus associations) and Jane (costs for individual events: Cospeciation = 0, Duplication = 1, Host-switch = 2, Loss = 1, Failure to diverge = 1)

	ParaFit		Jane
	P-value for global fit	Number of significant links/total	Global cost (P-value)
All	0.001	138/138	236 (0.001)
Micro	0.01	78/111	183 (0.001)
Bathy-Ostreo	0.001	12/26	41 (0.1)

"All" refers to the full dataset, "Micro" to the association between only Micromonas hosts and their viruses, "Bathy-Ostreo" to Bathycoccus and Ostreococcus hosts and their viruses. All statistical tests were performed with 999 permutations.

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