Table 2.

Gene content of the mitogenome of Paphiopedilum micranthum.

Chromosome	Length (bp)	GC Content (%)	Genes of Mitochondrial Origin	Genes of Chloroplast Origin	ORF
Chr1	32,281	42.2	nad5 exon 4, nad5 exon 5, nad9	cemA, ψndhD, petA, ψpsaA, ψpsaC, rbcL, ψrpl14, ψrpl16 fragment, ycf4, trnF-GAA-cp	ORF102a, ORF116, ORF128
Chr2	28,701	43.1	rrn5, rrn18	ψndhE fragment, ψndhF fragment, ψycf1 fragment, trnN-GUU	ORF149, ORF669
Chr3	24,176	46.8	nad7, trnI-CAU	—	ORF102b, ORF104, ORF124
Chr4	22,131	42.7	cob, rpl5, rps14	ψpetB fragment, ψpetD fragment, rpoA, ψrps11, rpl36, ψinfA
Chr5	20,211	45.3	matR, nad1 exon 5, trnF-GAA-mt, trnP-UGG (2)	—
Chr6	20,166	43.1	atp1, atp4, ccmFn, nad4L	—
Chr7	19,839	47.2	mttB, rpl2, rpl16, rps3, rps13, rps19, nad1 exon 2, nad1 exon 3, nad1 exon 4	—	ORF152
Chr8	19,478	43.1	nad5 exon1, nad5 exon2, trnE-UUC, trnS-UGA, cox3, sdh4	ψaccD, ndhJ, ψndhK, ψndhC	ORF111
Chr9	19,019	45.8	cox1	ψrpl2
Chr10	18,957	46.1	nad2 exon 3, nad2 exon 4, nad2 exon 5, trnY-GUA	ψndhH, ψatpB, psbJ, psbL, psbF, psbE	ORF119
Chr11	18,916	42.2	atp9, rps7, trnK-UUU	ψrpoB fragment, ψrpoC1
Chr12	18,871	43.9	ccmC, rps2, rps4, nad5 exon3	ψpsbA fragment
Chr13	17,666	44.6	ccmFc	ψpsbN, ψpsbH, ψpetB fragment, ψpsbB fragment, ψrps8 fragment
Chr14	16,774	44.9	nad2 exon1, nad2 exon2, trnC-GCA	—
Chr15	15,892	43.3	nad1 exon1	atpE, ψtrnV-UAC fragment, trnM-CAU-cp
Chr16	15,572	46.1	cox2, rps10	ψmatK fragment	ORF109
Chr17	15,327	49.2	nad4	—	ORF165
Chr18	14,612	41.2	—	—	ORF261, ORF432, ORF603
Chr19	13,988	45.5	rrn26, trnfM-CAU-mt	—
Chr20	13,709	45.8	nad3, nad6, rps11	—
Chr21	13,165	45.4	atp6, trnI-CAU	—
Chr22	12,852	46.3	rrn5 fragment, trnM-CAU	ψatpA fragment
Chr23	11,459	43.2	rps12, trnQ-UUG	—
Chr24	11,240	44.9	rps1	—
Chr25	6393	40.4	ccmB	ψrps4
Chr26	5973	42.2	atp8	ψycf1 fragment