Related Experiment Video

Updated: Jun 8, 2026

Cultivation Methods of Spirochetes from Borrelia burgdorferi Sensu Lato Complex and Relapsing Fever Borrelia
10:37

Cultivation Methods of Spirochetes from Borrelia burgdorferi Sensu Lato Complex and Relapsing Fever Borrelia

Published on: November 25, 2022

Bartonella spp.: throwing light on uncommon human infections

Patrick O Kaiser1, Tanja Riess, Fiona O'Rourke

  • 1Institut für Medizinische Mikrobiologie und Krankenhaushygiene, Universitätsklinikum, Johann Wolfgang Goethe-Universität, Paul Ehrlich-Str. 40, 60596 Frankfurt am Main, Germany.

International Journal of Medical Microbiology : IJMM
|September 14, 2010
PubMed

Insights

Bartonella bacteria are significant pathogens in humans and animals, causing diseases like cat scratch disease. Further research is needed to understand Bartonella transmission and pathology for better treatment strategies.

Area of Science:

  • Veterinary Microbiology
  • Infectious Diseases
  • Bacteriology

Background:

  • Bartonella species are increasingly recognized as significant pathogens in both human and veterinary medicine.
  • Despite two decades of research, knowledge regarding Bartonella transmission and pathology remains limited.
  • Bartonella henselae is a primary zoonotic species in humans, causing cat scratch disease and other conditions.

Purpose of the Study:

  • To analyze the pathogenicity mechanisms of Bartonella infections.
  • To enhance understanding of how Bartonella adapts to mammalian hosts.
  • To elucidate the factors contributing to acute and chronic disease development.

Main Methods:

  • Isolation and characterization of Bartonella species from various mammalian hosts.
  • In vitro and in vivo studies to investigate bacterial adaptation and virulence factors.
  • Comparative genomic and transcriptomic analyses to identify pathogenicity determinants.

Main Results:

  • Bartonella infections present a wide spectrum of clinical outcomes, from asymptomatic states to severe diseases like Oroya fever.
  • Diverse Bartonella species have been identified across multiple mammalian reservoirs, including cats and dogs.
  • The study highlights the need for detailed investigation into host-pathogen interactions.

Conclusions:

  • Understanding Bartonella pathogenicity mechanisms is crucial for managing infections in humans and animals.
  • Further research is essential to bridge the knowledge gaps in Bartonella transmission and disease progression.
  • Developing targeted interventions requires a deeper insight into Bartonella's adaptation strategies within mammalian hosts.

More Related Videos

A Model for Experimental Exposure of Humans to Larval Ixodes scapularis Ticks04:47

A Model for Experimental Exposure of Humans to Larval Ixodes scapularis Ticks

Published on: December 1, 2023

Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS06:34

Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS

Published on: July 11, 2016

Related Concept Videos

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 by a...
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 of...
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Toxoplasmosis01:28

Toxoplasmosis

Toxoplasmosis, a zoonotic disease caused by the protozoan Toxoplasma gondii, poses significant public health challenges globally due to its high seroprevalence and varied clinical manifestations. As an obligate intracellular parasite, T. gondii can infect all warm-blooded vertebrates, but felids are its only definitive hosts, shedding unsporulated oocysts into the environment. Humans typically acquire the infection through ingestion of tissue cysts in undercooked meat or oocysts from...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...