Mycobacterium Tuberculosis DNA

Tarin fuka na Mycobacterium (Tubercle bacillus, TB) wani nau'in ƙwayoyin cuta ne masu saurin kamuwa da cutar da ke da tasirin acid mai kyau. Akwai pili akan tarin fuka amma babu flagellum. Duk da cewa tarin fuka yana da ƙananan ƙwayoyin cuta amma ba ya samar da ƙwayoyin cuta. Bangon ƙwayar cutar tarin fuka ba shi da teichoic acid na ƙwayoyin cuta masu gram-positive ko lipopolysaccharide na ƙwayoyin cuta masu gram-negative. Tarin fuka na Mycobacterium wanda ke haifar da cutar ga mutane gabaɗaya an raba shi zuwa nau'in ɗan adam, nau'in shanu, da nau'in Afirka. Cutar tarin fuka na iya dangantawa da kumburi da yaduwar ƙwayoyin cuta a cikin ƙwayoyin nama ke haifarwa, gubar abubuwan ƙwayoyin cuta da metabolites, da lalacewar garkuwar jiki ga abubuwan ƙwayoyin cuta. Abubuwan da ke haifar da cutar suna da alaƙa da ƙwayoyin cuta, lipids da furotin. Tarin fuka na Mycobacterium na iya mamaye jama'a masu saurin kamuwa ta hanyar hanyar numfashi, hanyar narkewar abinci ko lalacewar fata, wanda ke haifar da tarin fuka a cikin kyallen takarda da gabobin jiki daban-daban, waɗanda tarin fuka da hanyar numfashi ke haifarwa shine mafi yawan faruwa. Yana faruwa galibi a cikin yara, tare da alamun kamar zazzabi mai ƙarancin ƙarfi, gumi na dare, da ƙaramin adadin hemoptysis. Cututtukan da ke faruwa a wasu wurare galibi suna bayyana a matsayin zazzabi mai ƙarancin ƙarfi, gumi na dare, ciwon hanta da sauran alamu; kamuwa da cuta na yau da kullun, wasu ƙananan hare-hare. Tarin fuka yana ɗaya daga cikin manyan abubuwan da ke haifar da mutuwa a duniya. A cikin 2018, kimanin mutane miliyan 10 a duniya sun kamu da cutar tarin fuka ta Mycobacterium, kimanin mutane miliyan 1.6 sun mutu. China ƙasa ce mai yawan kamuwa da cutar tarin fuka, kuma yawan kamuwa da cutar yana matsayi na biyu a duniya.