Pre_GI: SWBIT SVG BLASTN

Query: NC_014039:334892 Propionibacterium acnes SK137 chromosome, complete genome

Lineage: Propionibacterium acnes; Propionibacterium; Propionibacteriaceae; Actinomycetales; Actinobacteria; Bacteria

General Information: This bacterium is the most common gram-positive, non-spore forming, anaerobic rod encountered in clinical specimens. The causative agent of acne, it typically grows as an obligate anaerobe. Some strains are aerotolerant, but still show better growth as an anaerobe. It has the ability to produce propionic acid, as its name suggests. It also has the ability to produce catalase along with indole, nitrate, or both indole and nitrate. Propionibacterium resembles Corynebacterium in morphology and arrangement, but is non-toxigenic. It is a common resident of the pilosebaceous (hair follicle) glands of the human skin. The bacteria release lipases to digest a surplus of the skin oil, sebum, that has been produced. The combination of digestive products (fatty acids) and bacterial antigens stimulates an intense local inflammation that bursts the hair follicle. Since acne is caused in part from an infection, it can be suppressed with topical and oral antibiotics such as clindamycin, erythromycin, or tetracycline.

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BLASTN Alignment.txt

Subject: NC_015683:2279904 Corynebacterium ulcerans BR-AD22 chromosome, complete genome

Lineage: Corynebacterium ulcerans; Corynebacterium; Corynebacteriaceae; Actinomycetales; Actinobacteria; Bacteria

General Information: They may be found as members of the normal microflora of humans, where these bacteria find a suitable niche in virtually every anatomic site. Corynebacterium ulcerans is commonly associated with dairy animals and unpasturized dairy products. This organism has been implicated in bovine mastitis and can cause skin infections and a diptheria-like disease in humans.