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Molecular evidence for ongoing complementarity and horizontal gene transfer in endosymbiotic systems of mealybugs

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Molecular evidence for ongoing complementarity and horizontal gene transfer in endosymbiotic systems of mealybugs

dc.contributor.author	López-Madrigal, Sergio	es_ES
dc.contributor.author	Beltrà, Aleixandre	es_ES
dc.contributor.author	Resurrección, Serena	es_ES
dc.contributor.author	Soto, Antonia	es_ES
dc.contributor.author	Latorre, Amparo	es_ES
dc.contributor.author	Moya, Andrés	es_ES
dc.contributor.author	Gil Benso, Rosario	es_ES
dc.date.accessioned	2015-06-18T07:03:55Z
dc.date.available	2015-06-18T07:03:55Z
dc.date.issued	2014
dc.identifier.citation	Frontiers in Microbiology Vol. 5	es_ES
dc.identifier.uri	http://hdl.handle.net/10550/44426
dc.description.abstract	Intracellular bacterial supply of essential amino acids is common among sap-feeding insects, thus complementing the scarcity of nitrogenous compounds in plant phloem. This is also the role of the two mealybug endosymbiotic systems whose genomes have been sequenced. In the nested endosymbiotic system from Planococcus citri (Pseudococcinae), “Candidatus Tremblaya princeps” and “Candidatus Moranella endobia” cooperate to synthesize essential amino acids, while in Phenacoccus avenae (Phenacoccinae) this function is performed by its single endosymbiont “Candidatus Tremblaya phenacola.” However, little is known regarding the evolution of essential amino acid supplementation strategies in other mealybug systems. To address this knowledge gap, we screened for the presence of six selected loci involved in essential amino acid biosynthesis in five additional mealybug species. We found evidence of ongoing complementarity among endosymbionts from insects of subfamily Pseudococcinae, as well as horizontal gene transfer affecting endosymbionts from insects of family Phenacoccinae, providing a more comprehensive picture of the evolutionary history of these endosymbiotic systems. Additionally, we report two diagnostic motifs to help identify invasive mealybug species.	es_ES
dc.subject	mealybugs	es_ES
dc.subject	endosymbiosis	es_ES
dc.subject	candidatus tremblaya princeps	es_ES
dc.subject	candidatus tremblaya phenacola	es_ES
dc.subject	amino acid biosynthesis	es_ES
dc.subject	horizontal gene transfer	es_ES
dc.title	Molecular evidence for ongoing complementarity and horizontal gene transfer in endosymbiotic systems of mealybugs	es_ES
dc.type	journal article	es_ES
dc.identifier.doi	10.3389/fmicb.2014.00449	es_ES
dc.identifier.idgrec	101956	es_ES