Pseudomonas Biology and Biodiversity

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Plant Microbe Interactions".

Deadline for manuscript submissions: 30 April 2026 | Viewed by 563

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Department of Biochemistry & Biotechnology, School of Health Sciences, University of Thessaly, Larisa, Greece
Interests: Pseudomonas; high-affinity iron uptake systems; gene regulation; metagenomics; oxidative stress; antimicrobial natural producs
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Special Issue Information

Dear Colleagues,

The genus Pseudomonas comprises Gram-negative, gamma-proteobacteria that are thriving in diverse environments all over the world, because of their metabolic versatility. Pseudomonas species include those that are plant growth promoting, human and plant pathogens, and bacteria implicated in xenobiotic biodegradation. Their ease of culture in vitro, and the availability of big data with the advent of next generation sequencing and other -omic technologies (e.g., proteomics and metabolomics), has made the genus an excellent focus for scientific research and the development of biotechnological applications. This Special Issue provides a platform to highlight the exciting research and significant advances regarding Pseudomonas diversity, as it is reflected, for example, by community structure and phylogenomics, (meta)genomic, proteomic and metabolomic data, and biotechnological applications harnessing Pseudomonas diversity.

You may choose our Joint Special Issue in Diversity.

Dr. Dimitris Mossialos
Guest Editor

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Keywords

  • Pseudomonas
  • biodiversity
  • omic technologies
  • community structure
  • phylogenomics
  • metagenomics
  • biotechnological applications

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Published Papers (1 paper)

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10 pages, 1093 KiB  
Brief Report
Genomic Insights into Phosphorus Solubilization of Pseudomonas extremaustralis
by Carolyn Mayer, Catherine Urrutia, Carol Jerez-Quezada, Patricio Javier Barra and Michel Abanto
Microorganisms 2025, 13(4), 911; https://doi.org/10.3390/microorganisms13040911 - 16 Apr 2025
Viewed by 283
Abstract
Pseudomonas extremaustralis was first isolated from Antarctica and gained interest for its ability to thrive in extreme environmental conditions and degrade recalcitrant compounds. Some strains have been identified as phosphobacteria, which play a significant role in phosphorus (P) cycling by solubilizing or mineralizing [...] Read more.
Pseudomonas extremaustralis was first isolated from Antarctica and gained interest for its ability to thrive in extreme environmental conditions and degrade recalcitrant compounds. Some strains have been identified as phosphobacteria, which play a significant role in phosphorus (P) cycling by solubilizing or mineralizing insoluble phosphate forms for plant uptake. However, there is limited knowledge about the genomic mechanisms involved in P-cycling in the species P. extremaustralis. In this study, we aimed to evaluate the genomic potential of P. extremautralis as a phosphobacteria species by screening genes related to P-cycling. Two P. extremaustralis strains from pisciculture sludge residues were selected to sequence their complete genomes based on their ability to solubilize inorganic P in vitro, and an in silico analysis with all the P. extremaustralis genomes was performed to identify the presence of phosphorus-cycling-related genes. Genes mainly involved in the metabolic processes of two-component systems and transporters, and genes involved in organic acid production and alkaline phosphatases, were identified. This study helps us to understand the metabolic potential of this species and its role as a solubilizer of phosphates and thus a facilitator of plant-available phosphorus, which could guide the use of this species of phosphobacteria in the development of sustainable agriculture. Full article
(This article belongs to the Special Issue Pseudomonas Biology and Biodiversity)
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