ArticleApplied and environmental microbiology2010
Isolation of Rickettsia parkeri and identification of a novel spotted fever group Rickettsia sp. from Gulf Coast ticks (Amblyomma maculatum) in the United States.
Article in Applied and environmental microbiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.
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Who cites it
50 citing papers in PubMed, 116 citations in OpenAlex.
- A SPATIALLY-EXPLICIT STOCHASTIC MODEL FOR THE GULF COAST TICK.Ecological modelling · 2025Article
- Development of a Recombinase-Mediated Cassette Exchange System for Gene Knockout and Expression of Non-Native Gene Sequences inVaccines · 2025Article
- Spotted Fever GroupInsects · 2024Review
- 'Pathogens (Basel, Switzerland) · 2023Article
- Diversity of rickettsiae in ticks (Acari: Ixodidae) collected from wild vertebrates in part of the Amazon, Cerrado, and Pantanal biomes in Brazil.Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria · 2023Article
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- Isolation of Heartland Virus from Lone Star Ticks, Georgia, USA, 2019.Emerging infectious diseases · 2022Article
- Rickettsial Agents Detected in Ixodid Ticks (Acari: Ixodidae) Collected fromJournal of entomological science · 2022Article
- Identification ofVector borne and zoonotic diseases (Larchmont, N.Y.) · 2021Article
- Phylogenetic Differentiation of Rickettsia parkeri Reveals Broad Dispersal and Distinct Clustering within North American Strains.Microbiology spectrum · 2021Article
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- Distribution and Occurrence of Amblyomma maculatum sensu lato (Acari: Ixodidae) and Rickettsia parkeri (Rickettsiales: Rickettsiaceae), Arizona and New Mexico, 2017-2019.Journal of medical entomology · 2020Article
- Impact of Unexplored Data Sources on the Historical Distribution of Three Vector Tick Species in Illinois.Journal of medical entomology · 2020Article
- Assessment of bacterial diversity of Rhipicephalus microplus ticks from two livestock agroecosystems in Antioquia, Colombia.PloS one · 2020Article
- A Survey of Tick-Borne Bacterial Pathogens in Florida.Insects · 2019Article
- Rickettsia parkeri and Candidatus Rickettsia andeanae in Tick of the Amblyomma maculatum Group, Mexico.Emerging infectious diseases · 2019Article
- Amblyomma maculatum-associated rickettsiae in vector tissues and vertebrate hosts during tick feeding.Experimental & applied acarology · 2019Article
- The Amblyomma maculatum Koch, 1844 (Acari: Ixodidae) group of ticks: phenotypic plasticity or incipient speciation?Parasites & vectors · 2018Article
- Transmission of Amblyomma maculatum-Associated Rickettsia spp. During Cofeeding on Cattle.Vector borne and zoonotic diseases (Larchmont, N.Y.) · 2018Article
- Phylogenetic Evidence for the Existence of Multiple Strains of Rickettsia parkeri in the New World.Applied and environmental microbiology · 2018Article
Corrections and comments
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Authors and funding
8 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Until recently, Amblyomma maculatum (the Gulf Coast tick) had garnered little attention compared to other species of human-biting ticks in the United States. A. maculatum is now recognized as the principal vector of Rickettsia parkeri, a pathogenic spotted fever group rickettsia (SFGR) that causes an eschar-associated illness in humans that resembles Rocky Mountain spotted fever. A novel SFGR, distinct from other recognized Rickettsia spp., has also been detected recently in A. maculatum specimens collected in several regions of the southeastern United States. In this study, 198 questing adult Gulf Coast ticks were collected at 4 locations in Florida and Mississippi; 28% of these ticks were infected with R. parkeri, and 2% of these were infected with a novel SFGR. Seventeen isolates of R. parkeri from individual specimens of A. maculatum were cultivated in Vero E6 cells; however, all attempts to isolate the novel SFGR were unsuccessful. Partial genetic characterization of the novel SFGR revealed identity with several recently described, incompletely characterized, and noncultivated SFGR, including "Candidatus Rickettsia andeanae" and Rickettsia sp. Argentina detected in several species of Neotropical ticks from Argentina and Peru. These findings suggest that each of these "novel" rickettsiae represent the same species. This study considerably expanded the number of low-passage, A. maculatum-derived isolates of R. parkeri and characterized a second, sympatric Rickettsia sp. found in Gulf Coast ticks.
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