Kalmar “genus” a ilmin halitta tana nufin matsayi na harajin da ake amfani da shi wajen rarraba rayayyun halittu, yayin da “Lactobacillus” jinsin halittar kwayoyin halitta ne na Gram-positive, anaerobic ko microaerophilic.Saboda haka, ma’anar ƙamus. na "Genus Lactobacillus" zai zama rukuni na kwayoyin cuta waɗanda ke cikin nau'in Lactobacillus, wanda ke da ikon samar da lactic acid a matsayin samfurin rayuwa, kuma ana iya samuwa a wurare daban-daban kamar su gastrointestinal tract, farji, da fermented. abinci.