Other common fungal infections include infections by the yeast strain Candida albicans. Yeast infections are caused by an overgrowth of fungus in the vagina known as Candida. However, overgrowth of Candida can lead to Candidiasis. Candidiasis caused by non-"C. albicans" Candida (NCAC) species is associated more with immunodeficiency. Candidiasis is a fungal infection due to any type of "Candida" (a type of yeast). Vaginal yeast infections are due to excessive growth of "Candida". The involvement of MC1R in a rat model of Candida albicans vaginitis was investigated. Slr1 was found exert control on the polarized growth in Candida albicans. Caspofungin has been effective in treating fungal infections caused by "Aspergillus" and "Candida" species. Filamentation in "Candida albicans" is a very complex process. Fungal pericarditis is usually due to histoplasmosis, or in immunocompromised hosts Aspergillus, Candida, and Coccidioides. Two of these compounds are responsible for the antimicrobial activity against "Candida albicans". The biofilm of "Candida albicans" is formed in four steps. Vaginal itching is the most common symptom of candida vulvovaginitis. Abnormal proliferation of the candida in the gut may lead to dysbiosis.