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Article (Scientific journals)
Type I polyketide synthases may have evolved through horizontal gene transfer.
GINOLHAC, Aurélien; Jarrin, Cyrille; Robe, Patrick et al.
2005In Journal of Molecular Evolution, 60 (6), p. 716-25
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Keywords :
Bacterial Proteins; Macrolides; soraphen A; Nystatin; Polyketide Synthases; 7XU7A7DROE (Amphotericin B); 8O0C852CPO (Natamycin); EC 2.3.- (Acyltransferases); Acyltransferases/genetics; Amphotericin B/pharmacology; Bacterial Proteins/metabolism; Evolution, Molecular; Gene Transfer Techniques; Gene Transfer, Horizontal; Genes, Bacterial; Macrolides/pharmacology; Models, Genetic; Multigene Family; Natamycin/pharmacology; Nystatin/pharmacology; Phylogeny; Polyketide Synthases/chemistry/metabolism; Protein Structure, Tertiary
Abstract :
[en] Type I polyketide synthases (PKSI) are modular multidomain enzymes involved in the biosynthesis of many natural products of industrial interest. PKSI modules are minimally organized in three domains: ketosynthase (KS), acyltransferase (AT), and acyl carrier protein. The KS domain phylogeny of 23 PKSI clusters was determined. The results obtained suggest that many horizontal transfers of PKSI genes have occurred between actinomycetales species. Such gene transfers may explain the homogeneity and the robustness of the actinomycetales group since gene transfers between closely related species could mimic patterns generated by vertical inheritance. We suggest that the linearity and instability of actinomycetales chromosomes associated with their large quantity of genetic mobile elements have favored such horizontal gene transfers.
Disciplines :
Biotechnology
Author, co-author :
GINOLHAC, Aurélien  
Jarrin, Cyrille
Robe, Patrick
Perrière, Guy
Vogel, Timothy M
Simonet, Pascal
Nalin, Renaud
External co-authors :
no
Language :
English
Title :
Type I polyketide synthases may have evolved through horizontal gene transfer.
Publication date :
June 2005
Journal title :
Journal of Molecular Evolution
ISSN :
0022-2844
eISSN :
1432-1432
Publisher :
Springer, United States - Delaware
Volume :
60
Issue :
6
Pages :
716-25
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 29 November 2023

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