Draft genome sequences for three unisolated Alnus-infective Frankia Sp+ strains, AgTrS, AiOr and AvVan, the first sequenced Frankia strains able to sporulate in-planta

Actinobacteria from genus Frankia are able to form symbiotic associations with actinorhizal plants including alders. Among them, Sp+ strains are characterized by their ability to differentiate numerous sporangia inside host plant cells (unlike “Sp-” strains unable of in-planta sporulation). Here, we...

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Detalles Bibliográficos
Autores principales: Bethencourt, Lorine, Vautrin, Florian, Taib, Najwa, Dubost, Audrey, Castro-Garcia, Lucia, Imbaud, Olivier, Abrouk, Danis, Fournier, Pascale, Briolay, Jérôme, Nguyen, Agnès, Normand, Philippe, Fernandez, Maria P., Brochier-Armanet, Céline, Herrera-Belaroussi, Aude
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Ivyspring International Publisher 2019
Materias:
Short Research Paper
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6775861/
https://www.ncbi.nlm.nih.gov/pubmed/31588247
http://dx.doi.org/10.7150/jgen.35875
Descripción
Sumario:Actinobacteria from genus Frankia are able to form symbiotic associations with actinorhizal plants including alders. Among them, Sp+ strains are characterized by their ability to differentiate numerous sporangia inside host plant cells (unlike “Sp-” strains unable of in-planta sporulation). Here, we report the first genome sequences of three unisolated Sp+ strains: AgTrS, AiOr and AvVan obtained from Alnus glutinosa, A. incana and A. alnobetula (previously known as viridis), respectively (with genome completeness estimated at more than 98%). They represent new Frankia species based on Average Nucleotide Identity (ANI) calculations, and the smallest Alnus-infective Frankia genomes so far sequenced (~5 Mbp), with 5,178, 6,192 and 5,751 candidate protein-encoding genes for AgTrS, AiOr and AvVan, respectively.

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