Genome analysis of Pseudomonas sp. 14A reveals metabolic capabilities to support epiphytic behavior

Saúl Alejandro Medina-Salazar, Fernanda Cornejo-Granados, Edgar Equihua-Medina, Adrian Ochoa-Leyva, Moisés Roberto Vallejo-Pérez, Delia Xochil Vega-Manriquez, Ramón Jarquin-Gálvez, Rigoberto Castro-Rivera, Gisela Aguilar-Benítez, José Pablo Lara-Ávila

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The surface of aboveground plant parts, known as the phyllosphere, is a habitat for various microorganisms called epiphytes establishing biotrophic interactions with their hosts. However, these communities can be affected by environmental and anthropogenic variations such as the application of agrochemicals. Thus, epiphytes have the capacity to survive in such environments. In this study, we obtained the genome of Pseudomonas sp. 14A, an epiphyte isolated from the pepper phyllosphere. The phylogenomic analyses suggested that Pseudomonas sp. 14A may be novel species closely related to P. moraviensis R28-S. Notably, the metabolic pathways proposed consistent with epiphytic lifestyle in Pseudomonas sp. 14A, were shared with other species displaying a different degree of phylogenetic relatedness. Furthermore, variations in configuration of metabolic gene clusters were observed, that could expand microbial metabolic diversity in close relatedness species, highlighting the relevance of microbial diversity associated with plants.

Original languageEnglish
Article number49
JournalWorld Journal of Microbiology and Biotechnology
Issue number3
StatePublished - Mar 2022
Externally publishedYes


  • Bacterial genomics
  • Microbial diversity
  • Microbial secondary metabolites
  • Phyllosphere
  • Plant-microorganism interaction


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