Cov tshuaj ntsiav yog suav tias yog qhov ua rau muaj kab mob vim nws txhim kho cov kab mob muaj peev xwm ua rau kab mob(xws li tiv thaiv phagocytosis). Cov tshuaj ntsiav tuaj yeem tiv thaiv cov hlwb los ntawm engulfment los ntawm eukaryotic hlwb, xws li macrophages. … Capsules kuj muaj dej uas tiv thaiv cov kab mob desiccation.
Lub hom phiaj ntawm cov kab mob no yog dab tsi?
Capsules tuaj yeem tiv thaiv cov kab mob ntawm tes los ntawm kev noj thiab kev puas tsuaj los ntawm cov qe ntshav dawb (phagocytosis) Txawm tias qhov tseeb ntawm kev khiav phagocytosis tsis meej, nws yuav tshwm sim vim cov tshuaj ntsiav ua cov kab mob saum npoo. Cheebtsam ntau nplua, pab cov kab mob kom dim ntawm phagocytic hlwb.
Nyob rau hauv txoj kev twg cov tshuaj ntsiav txhim kho cov kab mob virulence?
Capsules tuaj yeem tsim ib qho hydrated gel nyob ib ncig ntawm cov kab mob ntawm tes, uas tuaj yeem tiv thaiv cov kab mob los ntawm kev phom sij ntawm dessication [10]. Qhov no yuav ua rau kom muaj sia nyob ntawm cov kab mob encapsulated sab nraud ntawm tus tswv tsev, txhawb kev sib kis ntawm cov kab mob pathogenic los ntawm ib tus tswv tsev mus rau lwm tus [4].
Vim li cas cov tshuaj ntsiav ua cov kab mob tiv taus phagocytosis?
Capsules tuaj yeem tiv thaiv qhov kev sib txuas tsis zoo los ntawm tiv thaiv kab mob cuam tshuam nrog cov qauv molecularlossis los ntawm kev khi rau cov qauv endocytic-paub cov receptors ntawm qhov chaw ntawm phagocytes. Cov tshuaj ntsiav ntawm qee cov kab mob cuam tshuam nrog lub cev kev tiv thaiv kab mob ntxiv.
Cov tshuaj polysaccharide ua li cas tso cai rau nws ua cov kab mob zoo dua?
Cov tshuaj ntsiav polysaccharide zoo lub cev tiv thaiv kab mob tiv thaiv kab mob kom tsis txhob raug tua. Qhov tseeb hais tias cov kab mob capsules feem ntau yog hydrophilic thiab tsis zoo nqi txo lawv cov kev tshem tawm los ntawm phagocytosis.
