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Profil bibliographique

Paul R. Johnston

Informations fournies par OpenAlex. Research Africa ne déduit ni nationalité, ni poste, ni coordonnées personnelles.

138Publications signalées
4946Citations signalées
1Affiliations récentes

Les institutions déclarées

Les domaines associés

Insect and Arachnid Ecology and BehaviorInsect symbiosis and bacterial influencesInsects and Parasite InteractionsDevelopmental Biology and Gene RegulationInvertebrate Immune Response Mechanisms

Les publications récentes

Accès ouvert 2026 article OpenAlex

Draft genome sequences of non-endemic Mycobacterium tuberculosis Indo-Oceanic and West African lineages recovered in Panama

Juan C. Domínguez González, Joanna E. Rivas Ramos, Prudencio González, Pedro Del Cid et autres

ABSTRACT We report the draft genome sequences of three Mycobacterium tuberculosis isolates recovered from Panamanian residents belonging to the Indo-Oceanic (Lineage 1) and West African (Lineage 5) lineages. These isolates exhibit various drug-resistance profiles, including rifampicin-resistant and multidrug-resistant phenotypes. This highlights the …

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0 citations Microbiology Resource Announcements
Accès ouvert 2026 article OpenAlex

Clinical Rel mutations that increase basal (p)ppGpp promote conjugal transfer of staphylococcal resistance plasmids

Ashley T. Deventer, Ava Sutherland, Daria Biernacka, Paul R. Johnston et autres

Conjugative transfer of plasmids represents a major route through which antibiotic resistance genes are spread. In the case of the prevalent and deadly pathogen Staphylococcus aureus , more than 90% of clinical isolates carry at least one plasmid. While plasmid-encoded mechanisms [e.g. …

gb, pl, ca (code pays fourni par la source)

0 citations Microbiology
Accès ouvert 2026 article OpenAlex

Complete genome sequence data for Mycobacterium sp. Panama NTM2, an isolate recovered from a tuberculosis patient in Panama

Joanna E. Rivas Ramos, Fermín Acosta, Priya B. Patel, Johanna Elizabeth Ku et autres

ABSTRACT We report the complete genome sequence of Mycobacterium sp. strain Panama NTM2, isolated from a sputum sample of a patient with pulmonary tuberculosis in Panama. The 5,922,402-bp genome (68% GC) was assembled into five contigs containing 5,703 protein-coding genes. FastANI identified …

pa, cr, ni, ec, ve, gb (code pays fourni par la source)

0 citations Microbiology Resource Announcements
Accès ouvert 2026 peer-review OpenAlex

Editor response for version 2

Paul R. Johnston

Parageobacillus thermoglucosidasius is a thermophilic endospore-forming Bacillales of considerable biotechnological interest. Bacterial lipoproteins are a significant class of cell envelope components, influencing multiple aspects of the interactions of bacteria with their environments. We have therefore used a bioinformatic approach to identify the …

gb (code pays fourni par la source)

0 citations
Accès ouvert 2026 peer-review OpenAlex

Editor response for version 1

Paul R. Johnston

Parageobacillus thermoglucosidasius is a thermophilic endospore-forming Bacillales of considerable biotechnological interest. Bacterial lipoproteins are a significant class of cell envelope components, influencing multiple aspects of the interactions of bacteria with their environments. We have therefore used a bioinformatic approach to identify the …

gb (code pays fourni par la source)

0 citations
Accès ouvert 2026 article OpenAlex

Draft genome sequence of a non-tuberculous Mycobacterium strain isolated from a clinical urine sample

Joanna E. Rivas Ramos, Paul R. Johnston, Robert J. H. Hammond, M. Holden et autres

Here, we report the draft sequence of a rapid-growing nontuberculous Mycobacterium isolated from a urine sample at the Scottish Mycobacteria Reference Laboratory, Royal Infirmary of Edinburgh, UK. The reported genome has a length of 6,749,454 bp, a G+C content of 67.2 mol% …

gb (code pays fourni par la source)

1 citation Access Microbiology
Accès ouvert 2025 preprint OpenAlex

Draft Genome Sequence of a non-tuberculous Mycobacterium Strain Isolated from a Clinical Urine Sample.

Joanna E. Rivas Ramos, Paul R. Johnston, Robert J. H. Hammond, Matthew T. G. Holden et autres

Here we report the draft sequence of a rapid-growing nontuberculous Mycobacterium isolated from a urine sample at the Scottish Mycobacteria Reference Laboratory (SMRL), Royal Infirmary of Edinburgh, UK. The reported genome has a length of 6,749,454 bp, a GC content of 67.2%, …

gb (code pays fourni par la source)

0 citations
Accès ouvert 2025 preprint OpenAlex

Clinical stringent response activation promotes conjugal transfer of staphylococcal resistance plasmids

Ashley T. Deventer, Daria Biernacka, Paul R. Johnston, Claire E. Stevens et autres

ABSTRACT Conjugative transfer of plasmids represents a major route through which antibiotic resistance genes are spread. In the case of the prevalent and deadly pathogen Staphylococcus aureus , >90% of clinical isolates carry at least one plasmid. While plasmid-encoded mechanisms ( e.g. …

gb, pl, ca (code pays fourni par la source)

1 citation bioRxiv (Cold Spring Harbor Laboratory)
Accès ouvert 2025 preprint OpenAlex

Draft Genome Sequence of a non-tuberculous Mycobacterium Strain Isolated from a Clinical Urine Sample.

Joanna E. Rivas Ramos, Paul R. Johnston, Robert Hammond, Matthew T. G. Holden et autres

Here we report the draft sequence of a rapid-growing nontuberculous Mycobacterium isolated from a urine sample at the Scottish Mycobacteria Reference Laboratory (SMRL), Royal Infirmary of Edinburgh, UK. The reported Mycobacterium genome has a length of 6,749,454 bp, a GC content of …

gb (code pays fourni par la source)

0 citations
Accès ouvert 2025 article OpenAlex

Staphylococcus aureus COL : An Atypical Model Strain of MRSA That Exhibits Slow Growth and Antibiotic Tolerance due to a Mutation in PRPP Synthetase

Claire E. Stevens, Ashley T. Deventer, Paul R. Johnston, Phillip T. Lowe et autres

Methicillin-resistant Staphylococcus aureus (MRSA) has been a pathogen of global concern since its emergence in the 1960s. As one of the first MRSA strains isolated, COL has become a common model strain of S. aureus. Here we report that COL is, in …

gb, ca (code pays fourni par la source)

13 citations Molecular Microbiology
Accès ouvert 2025 article OpenAlex

Surviving Colonies of Pseudomonas aeruginosa Isolated In Vivo from Infected, Antibiotic-Treated Galleria mellonella Larvae Acquire an Antibiotic-Tolerant Phenotype

Alex McCormack, Joanne K. Hobbs, Paul R. Johnston, Peter John Coote

Background: The aim of this work was to induce the formation of antibiotic-tolerant and/or persister cells in vivo using antibiotic therapy on Galleria mellonella larvae infected with P. aeruginosa, isolate these surviving cells, and characterise their phenotype and genotype. Methods: Infected larvae …

gb (code pays fourni par la source)

0 citations Antibiotics
Accès ouvert 2025 article OpenAlex

Uncovering the genetic basis of Staphylococcus aureus resistance to single antimicrobial peptides and their combinations

Bar Maron, Caroline Zanchi, Paul R. Johnston, Jens Rolff et autres

, were also identified. Notably, mutations in a hypothetical membrane protein operon (SAOUHSC_02307-02309) imply a potential pexiganan resistance pathway. The findings suggest that AMP combinations might limit mutation accumulation, while constraining the development of general AMP resistance. The genetic mechanism of resistance …

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3 citations iScience

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