Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Shigewa: Bacteriaophages rukuni ne na gama gari da bambancin ƙwayoyin cuta kuma sune mafi yawan kwayoyin halitta a cikin yanayin ruwa - akwai har sau goma na waɗannan ƙwayoyin cuta a cikin tekuna fiye da ƙwayoyin cuta, suna kaiwa matakan 250,000,000 bacteriophages a kowace mililita na ruwan teku. Wadannan ƙwayoyin cuta suna kamuwa da ƙwayoyin cuta ta hanyar haɗuwa da ƙwayoyin mai karɓar farfajiyar sannan kuma shiga cikin tantanin halitta. A cikin ɗan gajeren lokaci, a wasu lokuta 'yan mintoci kaɗan, polymerase na ƙwayoyin cuta ya fara fassara mRNA na kwayar cutar zuwa furotin. Waɗannan sunadarai suna ci gaba da zama ko dai sabbin virions a cikin tantanin halitta, sunadarai masu taimako, waɗanda ke taimakawa haɗuwa da sabbin virions, ko sunadarai da ke cikin lysis na tantanin halitta. Enzymes na ƙwayoyin cuta suna taimakawa cikin rushewar membrane na tantanin halitta, kuma, a cikin yanayin T4 phage, a cikin sama da mintuna ashirin bayan allurar sama da ɗari uku za a iya sakin su. Babbar hanyar da ƙwayoyin cuta ke kare kansu daga bacteriophages ita ce ta samar da enzymes waɗanda ke lalata DNA na waje. Waɗannan enzymes, da ake kira ƙuntatawa endonucleases, suna yanke DNA na ƙwayoyin cuta wanda bacteriophages ke allura a cikin ƙwayoyin ƙwayoyin cuta. Kwayoyin cuta kuma suna da tsarin da ke amfani da jerin CRISPR don riƙe ɓangarorin kwayoyin halittar ƙwayoyin cuta waɗanda ƙwayoyin cuta suka haɗu da su a baya, wanda ke ba su damar toshe kwayar cutar ta hanyar wani nau'i na tsangwama na RNA. Wannan tsarin kwayar halitta yana ba kwayoyin cuta rigakafin kamuwa da cuta.  Tambaya: Menene tsarin halittar jini ya tanadar?
ƙwayoyin cuta tare da rigakafi ga kamuwa da cuta