Candida Evolves and Reproduces
Four Candida species, C. albicans, C. glabrata, C. tropicalis and C. parapsilosis, together account for 
95% of identifiable Candida infections. Although C. albicans is still the most common causative agent, its incidence is declining and the frequency of other species is increasing. Of these, C. parapsilosis is a particular problem in neonates, transplant recipients and patients receiving parenteral nutrition; C. tropicalis is more commonly associated with neutropenia and malignancy. Other Candida species, including C. krusei, C. lusitaniae and C. guilliermondii, account for <5% of invasive candidiasis. Almost all Candida species, with the exceptions of C. glabrata and C. krusei, belong in a single Candida clade.
Pfaller MA, Diekema DJ. Epidemiology of invasive candidiasis: a persistent public health problem. Clin Microbiol Rev. 2007 Jan;20(1):133-63. View Abstract View Full Paper
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Keywords:Candida, immunity, infection, yeast
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The immune system is prone to the same grave misfortunes as any defense system handling weapons: collateral damage that comes with the destruction of the enemy on one’s own territory and friendly fire due to mistaken identity. Whereas the collateral damage is the price we pay for clearance of infections, autoimmunity is a pathological process. Nevertheless, the effector mechanisms involved in both processes are the same. Whether environment can be a cause, a trigger or an amplifier of an autoimmune disease are questions that are being intensively investigated.
