The Claim
Exposure to 10 mM calcium significantly alters the intracellular and extracellular metabolome of Pseudomonas aeruginosa during both mid-log and stationary growth phases, increasing metabolites involved in central carbon metabolism, glycerol utilization, and the glyoxylate shunt while decreasing purine nucleotides and altering siderophore production, suggesting calcium acts as a host-derived signal that reprograms bacterial metabolism to enhance survival in cystic fibrosis airways.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
Exposure to 10 mM calcium changes the metabolic profile of Pseudomonas aeruginosa during growth, increasing compounds related to central carbon metabolism and glycerol use while reducing purine nucleotides and modifying siderophore production, which is associated with improved survival in cystic fibrosis airway conditions.
See the scientific wording
Exposure to 10 mM calcium significantly alters the intracellular and extracellular metabolome of Pseudomonas aeruginosa during both mid-log and stationary growth phases, increasing metabolites involved in central carbon metabolism, glycerol utilization, and the glyoxylate shunt while decreasing purine nucleotides and altering siderophore production, suggesting calcium acts as a host-derived signal that reprograms bacterial metabolism to enhance survival in cystic fibrosis airways.
High calcium levels trigger the bacteria to shift how it uses energy, making more tools to grab iron from the host, produce protective sugars, and build slimy biofilms, while stopping the production of molecules used for communication and DNA building blocks. This lets the bacteria survive the harsh, iron-poor, and oxygen-stressed environment of cystic fibrosis lungs.
What the research says
1 studyStudy: Calcium regulation of Pseudomonas aeruginosa metabolism.
When bacteria called Pseudomonas aeruginosa are exposed to high calcium—like in the lungs of cystic fibrosis patients—they change how they eat and store energy to survive better. The study shows they make more tools to grab iron and protect themselves, exactly as the claim says.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.