A Comparative Genomic and Phylogenetic Investigation of the Xenobiotic Metabolism Enzymes of Cytochrome P450 in Elephants Shows Loss in CYP2E and CYP4A.
African elephant
Afrotheria
Asian elephant
cytochrome P450
cytochrome P450 2E
cytochrome P450 4A
genome database
phylogenetics tree
Journal
Animals : an open access journal from MDPI
ISSN: 2076-2615
Titre abrégé: Animals (Basel)
Pays: Switzerland
ID NLM: 101635614
Informations de publication
Date de publication:
09 Jun 2023
09 Jun 2023
Historique:
received:
04
04
2023
revised:
04
06
2023
accepted:
07
06
2023
medline:
28
6
2023
pubmed:
28
6
2023
entrez:
28
6
2023
Statut:
epublish
Résumé
Cytochrome P450 is an important enzyme that metabolizes a variety of chemicals, including exogenous substances, such as drugs and environmental chemicals, and endogenous substances, such as steroids, fatty acids, and cholesterol. Some CYPs show interspecific differences in terms of genetic variation. As little is known about the mechanisms of elephant metabolism, we carried out a comparative genomic and phylogenetic analysis of CYP in elephants. Our results suggest that elephant CYP genes have undergone independent duplication, particularly in the CYP2A, CYP2C, and CYP3A genes, a unique cluster specific to elephant species. However, while CYP2E and CYP4A were conserved in other Afrotheria taxa, their decay in elephants resulted in genetic dysfunction (pseudogene). These findings outline several remarkable characteristics of elephant CYP1-4 genes and provide new insights into elephant xenobiotic metabolism. Further functional investigations are necessary to characterize elephant CYP, including expression patterns and interactions with drugs and sensitivities to other chemicals.
Identifiants
pubmed: 37370449
pii: ani13121939
doi: 10.3390/ani13121939
pmc: PMC10294912
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Japan Society for the Promotion of Science
ID : 21H04919
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