@article{fdi:010007528, title = {{M}itochondrial {COI} sequences in mites : evidence for variations in base composition}, author = {{N}avajas, {M}. and {F}ournier, {D}. and {L}agnel, {J}. and {G}utierrez, {J}ean-{P}aul and {B}oursot, {P}.}, editor = {}, language = {{ENG}}, abstract = {{S}tudies of mitochondrial {DNA} sequences in a variety of animals have shown important differences between phyla, including differences in the genetic codes used, and varying constraints on base composition. {I}n that respect, little is known of mites, an important and diversified group. {W}e sequenced a portion (340 nt) of the cytochrome oxidase subunit {I} ({COI}) encoding gene in twenty species of phytophagous mites belonging to nine genera of the two families #{T}etranychidae$ and #{T}enuipalpidae$. {T}he mitochondrial genetic code used in mites appeared to be the same as in insects. {A}s is generally also the case in insects, the mite sequences were very rich in {A} + {T} (75% on average), especially at the third codon position (94%). {H}owever, important variations of base composition were observed among mite species, one of them showing as little as 69% {A} + {T}. {V}ariations of base composition occur mostly through synonymous transitions, and do not have detectable effects on polypeptide evolution in this group. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{GENETIQUE} ; {ADN} ; {MITOCHONDRIE} ; {CYTOTAXONOMIE}}, booktitle = {}, journal = {{I}nsect {M}olecular {B}iology}, volume = {5}, numero = {4}, pages = {281--285}, ISSN = {0962-1075}, year = {1996}, DOI = {10.1111/j.1365-2583.1996.tb00102.x}, URL = {https://www.documentation.ird.fr/hor/fdi:010007528}, }