Related Experiment Video

Updated: Mar 19, 2026

An Electroporation Method to Transform Rickettsia spp. with a Fluorescent Protein-Expressing Shuttle Vector in Tick Cell Lines
07:18

An Electroporation Method to Transform Rickettsia spp. with a Fluorescent Protein-Expressing Shuttle Vector in Tick Cell Lines

Published on: October 11, 2022

2.6K

Rickettsia felis, an Emerging Flea-Borne Rickettsiosis

Lisa D Brown1, Kevin R Macaluso1

  • 1Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Skip Bertman Drive, SVM-3213, Baton Rouge, LA 70803 USA.

Current Tropical Medicine Reports
|June 25, 2016
PubMed

Insights

Rickettsia felis, a flea-borne pathogen causing spotted fever, is globally distributed by cat fleas. Further research into its biology, transmission, and genetics is crucial for understanding this emerging infectious disease.

Area of Science:

  • * Microbiology and Infectious Diseases
  • * Vector-borne Pathogen Research

Background:

  • * Rickettsia felis is an emerging insect-borne rickettsial pathogen responsible for flea-borne spotted fever.
  • * First identified in the USA in 1991, R. felis is now globally distributed and a common cause of fever in Africa.
  • * The cat flea, Ctenocephalides felis, is the primary vector and reservoir, facilitating the pathogen's cosmopolitan spread.

Approach:

  • * This review synthesizes current knowledge on Rickettsia felis.
  • * It examines transmission biology, disease epidemiology, and genetics.
  • * The review identifies gaps in understanding and suggests future research directions.

Key Points:

  • * Limited knowledge of R. felis basic biology impedes research progress.
  • * The widespread distribution of R. felis is linked to the prevalence of its vector, the cat flea.
  • * Understanding R. felis transmission, epidemiology, and genetics is essential.

Conclusions:

  • * Comprehensive review highlights critical knowledge gaps in R. felis biology.
  • * Further investigation is needed to fully understand and combat this emerging pathogen.
  • * Future research should focus on R. felis transmission, epidemiology, and genetics.
Keywords:
EpidemiologyFlea-borne spotted feverGenetic diversityRickettsia felisTransmission biology

More Related Videos

Author Spotlight: Controlled Human Exposure Model for Tick Research and Lyme Disease Studies04:47

Author Spotlight: Controlled Human Exposure Model for Tick Research and Lyme Disease Studies

Published on: December 1, 2023

1.2K
Extraction of Saliva, Haemolymph, Salivary Glands, and Midgut from Individual Ticks (Acari: Ixodidae)03:22

Extraction of Saliva, Haemolymph, Salivary Glands, and Midgut from Individual Ticks (Acari: Ixodidae)

Published on: October 31, 2025

945

Related Concept Videos

Intracellular Movement of Viruses and Bacteria01:10

Intracellular Movement of Viruses and Bacteria

Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include those belonging to the genus Rickettsia responsible for conditions such as rocky mountain spotted fever and the Mediterranean spotted fever; Chlamydia, a genus responsible for a sexually transmitted disease; Coxiella burnetii, an agent responsible for Q fever. Viral pathogens include vaccinia—a poxvirus, and herpes simplex virus—a...
3.8K
Bacterial Phylum Spirochaetes01:30

Bacterial Phylum Spirochaetes

Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased...
1.1K
Arboviral Encephalitis01:25

Arboviral Encephalitis

Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
1
Bacterial Phylum Chlamydiae01:29

Bacterial Phylum Chlamydiae

The phylum Chlamydiae or Chlamydiota is composed of a single order, Chlamydiales. This phylum consists entirely of obligate intracellular parasites that infect eukaryotic hosts. While human pathogens within this group have been studied extensively, the phylum encompasses many species capable of interacting with various eukaryotic organisms. Members of Chlamydiae are typically small cocci, approximately 0.5 μm in diameter, and exhibit a distinctive developmental cycle. As is characteristic...
694
Rous Sarcoma Virus (RSV) and Cancer01:03

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand  RNA genome. Its genome consists of four main open...
6.6K