Determination of the melon chloroplast and mitochondrial genome sequences reveals that the largest reported mitochondrial genome in plants contains a significant amount of DNA having a nuclear origin

Table 5 List of genes found in Cucumis melo mitochondrial genome

RNA genes
tRNAs	trnD-GTC^a	trnE-TTC^b	trnF-GAA	trnfM-CAT^b	trnG-GCC^b
	trnH-GTG^b	trnH-GTG-cp^c	trnI-CAT^{b, d}	trnL-CAA^b	trnM-CAT
	trnM-CAT-cp^c	trnN-GTT	trnN-GTT-cp^c	trnP-TGG	trnQ-TTG
	trnR-ACG	trnR-ACG-cp^c	trnS-GCT^b	trnS-TGA	trnS-TGA-cp^c
	trnW-CCA^e	trnY-GTA	Ψtrn^f	ΨtrnC
rRNAs	rrn26	rrn18	rrn5 ^a
Complex I (NADH dehydrogenase)	nad1 ^{g, h, i}	nad2 ^{i, j}	nad3	nad4 ^k	nad4L ^g
	nad5 ^{h, i}	nad6	nad7 ^h	nad9
Complex II (succinate dehydrogenase)	sdh3	sdh 4
Complex III (ubiquinol cytochrome c reductase)	cob
Complex IV (cytochrome c oxidase)	cox1 ^j	cox2	cox3
ATP synthase	atp1	atp4	atp6	atp8	atp9
Other genes
Cytochrome C biogenesis	ccmB	ccmC	ccmFc ^j	ccmFn
Transport membrane	mttB
Maturase	matR ^l
Ribosomal proteins	rpl2 ^j	rpl5	rpl16 ^m	rps1	rps3 ^j
	rps4	rps7	rps10 ^{g, j}	rps12	rps13
Conserved ORFs	ORF1ⁿ	ORF2^o	ORF3^p	ORF4^q

Pseudogenes are symbolised by ψ
^aThree gene copies
^bTwo gene copies
^cChloroplast origin
^dC assumed to be post-transcriptionally modified to lysidine, which pairs with A, not G (see PubMed ID 1698276)
^eSeven gene copies
^fUndetermined anticodon
^gRNA editing creates a codon
^hGene contains five exons
ⁱGene undergoes trans-splicing
^jGene contains one intron
^kGene contains four exons
^lStart codon not determined
^mAlternative start codon (see PubMed IDs 8193306 and 9327595)
ⁿSimilar to chloroplast ycf2 gene
^oSimilar to ORF150 in V. vinifera, ORF159b in Nicotiana, ORF168 in Marchantia and ORF187 in Physcomitrella
^pSimilar to amino acid sequence GenBank ID CAA69750.1
^qSimilar to 5' fragment of photosystem I P700 apoprotein A1

ISSN: 1471-2164