[Enterobacter sakazakii in powdered infant food formulas]

Isabelle Proudy1

  • 1Service de microbiologie, Equipe d'accueil 2128, Centre hospitalier universitaire, Université de Caen Basse-Normandie, avenue Côte de Nacre, Caen CEDEX, France. isabelle.proudy@rennes.inra.fr

Insights

Cronobacter species are dangerous foodborne pathogens causing severe infections in vulnerable infants. This review synthesizes recent knowledge on Cronobacter, focusing on contamination risks in infant formula and control measures.

Area of Science:

  • Microbiology and Food Safety
  • Emerging Foodborne Pathogens
  • Neonatal Infections

Context:

  • Cronobacter species, including "Enterobacter sakazakii" s. l., are recognized as emergent foodborne pathogens.
  • These bacteria pose a significant risk for severe infections like meningitis, bacteremia, and necrotizing enterocolitis, particularly in vulnerable neonates (preterm, low-birth-weight, immunocompromised).
  • Over 100 cases of Cronobacter infections in newborns have been documented in the last 50 years, highlighting the persistent threat.

Purpose:

  • To provide a comprehensive review of recent advancements concerning Cronobacter species.
  • To consolidate knowledge on taxonomy, physiology, pathogenicity, clinical manifestations, and detection/characterization methods.
  • To examine the role of powdered infant formula as a primary transmission vehicle and discuss contamination control strategies.

Summary:

  • This review synthesizes current knowledge on Cronobacter, an emergent foodborne pathogen.
  • It covers taxonomy, pathogenicity, clinical cases, detection methods, and the critical link to infant formula contamination.
  • Focuses on strategies to mitigate risks associated with Cronobacter in infant nutrition.

Impact:

  • Informs researchers and public health authorities on Cronobacter risks and control.
  • Guides the implementation of enhanced safety measures in infant formula production.
  • Promotes awareness and good hygienic practices among caregivers to prevent infant infections.

Related Concept Videos

Bacterial Gastroenteritis01:18

Bacterial Gastroenteritis

Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...
Reservoir of Infection01:30

Reservoir of Infection

Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
Sources of Food Contamination01:29

Sources of Food Contamination

Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...