In silico analyses of mitochondrial ORFans in freshwater mussels (Bivalvia: Unionoida) provide a framework for future studies of their origin and function

Table 4 p-distances (p-D) and standard error (SE) values of mitochondrial F-orfs vs H-orfs and Fcox1 vs Hcox1 in comparisons between gonochoric vs. closely related hermaphroditic freshwater mussel species

Species	Genes	Nucleotide		Amino acid
Species	Genes	p-D	SE	p-D	SE
Utterbackia peninsularis vs U. imbecillis
	F-ORF vs. H-ORF1	0.338	0.034	0.691	0.055
	F-ORF vs. H-ORF2	0.310	0.032	0.721	0.054
	F-ORF vs. H-ORF3	0.343	0.031	0.743	0.051
	F-ORF vs. H-ORF4	0.335	0.034	0.729	0.054
	F-ORF vs. H-ORF5	0.333	0.031	0.714	0.052
	F-ORF vs. H-ORF6	0.333	0.031	0.714	0.052
	F-ORF vs. H-ORF7	0.310	0.030	0.739	0.055
	Mean	0.329	0.030	0.722	0.052
	F-COX1 vs. H-COX1-1	0.547	0.012	0.020	0.006
	F-COX1 vs. H-COX1-2	0.547	0.012	0.020	0.006
	Mean	0.547	0.0012	0.020	0.006
Margaritifera margaritifera vs M. falcata
	F-ORF vs. H-ORF1	0.339	0.025	0.491	0.048
	F-ORF vs. H-ORF2	0.336	0.026	0.491	0.049
	F-ORF vs. H-ORF3	0.358	0.024	0.491	0.049
	F-ORF vs. H-ORF4	0.336	0.026	0.491	0.049
	Mean	0.342	0.025	0.491	0.049
	F-COX1 vs. H-COX1-1	0.469	0.022	0.000	0.000
	F-COX1 vs. H-COX1-2	0.469	0.021	0.000	0.000
	Mean	0.469	0.021	0.000	0.000
Lasmigona complanata vs L. compressa
	F-ORF vs. H-ORF1	0.218	0.028	0.394	0.059
	F-ORF vs. H-ORF2	0.255	0.027	0.395	0.055
	Mean	0.237	0.027	0.395	0.057
Lasmigona complanata vs L. subviridis
	F-ORF vs. H-ORF1	0.269	0.029	0.429	0.054
	F-ORF vs. H-ORF2	0.295	0.029	0.442	0.055
	Mean	0.282	0.029	0.436	0.054
Toxolasma lividus vs T. parvum	F-ORF vs. H-ORF	0.443	0.027	0.736	0.044

ISSN: 1471-2164