2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lysogeny yog tus yam ntxwv los ntawm kev koom ua ke ntawm cov kab mob bacteriophage nucleic acidrau hauv cov kab mob tus kab mob genome los yog tsim ntawm ib ncig ntawm cov kab mob hauv cov kab mob cytoplasm. Hauv qhov xwm txheej no tus kab mob tseem nyob thiab rov tsim dua ib txwm.
Tus kab mob Lysogeny yog dab tsi?
2.2 Lysogeny
Nyob rau hauv lysogeny, tus kab mob nkag mus rau hauv lub xov tooj ntawm testab sis tsis txhob pib tam sim cov txheej txheem rov ua dua ua rau lysis, nkag mus rau hauv lub xeev ruaj khov. nrog tus tswv tsev. Phages muaj peev xwm ntawm lysogenesis hu ua temperate phage lossis prophage.
3 hom kab mob bacteriophages yog dab tsi?
Bacteriophages tuaj yeem yog caudate, polyhedral, filamentous lossis pleomorphic (Daim duab 2) thiab, tshwj tsis yog rau cov caudate, lawv tsis muab ua pawg rau hauv kev txiav txim.
Lub hom phiaj ntawm Lysogeny rau cov kab mob bacteriophage yog dab tsi?
Lub virion capsid muaj peb lub luag haujlwm: (1) tiv thaiv tus kab mob nucleic acid los ntawm kev zom zaub mov los ntawm qee cov enzymes (nucleases), (2) txhawm rau muab cov chaw ntawm nws qhov chaw. lees paub thiab txuas (adsorb) cov virion rau receptors nyob rau saum npoo ntawm lub xov tooj ntawm tes, thiab, hauv qee cov kab mob, (3) muab cov proteins uas tsim ib feem ntawm …
txheej txheem Lysogeny yog dab tsi?
Lysogeny, hom lub neej voj voog uas ua qhov chaw thaum tus kab mob bacteriophage kis tau qee yam kab mob. Hauv cov txheej txheem no, genome (kev sau cov noob nyob rau hauv nucleic acid core ntawm tus kab mob) ntawm bacteriophage stablyintegrates rau hauv chromosome ntawm tus tswv tsev kab mob thiab replicates nyob rau hauv kev hais kwv txhiaj nrog nws.
Pom zoo:
Puas yog cov kab mob bacteriophage ua mob rau tib neeg?
Bacteriophages yog cov kab mob uas kis tau cov kab mob tab sis tsis muaj mob rau tib neeg. Puas bacteriophage ua rau muaj kab mob? Raws li tau hais ua ntej, bacteriophages tuaj yeem cuam tshuam nrog cov kab mob los ntawm lytic kab moblossis kab mob lysogenic, ob qho tib si tuaj yeem ua rau lysis ntawm cov kab mob hauv lub cev, hloov pauv qee cov kab mob thiab yog li ntawd.
Tus kab mob bacteriophage puas kis tau rau tib neeg?
Txawm hais tias bacteriophages tsis tuaj yeem kis tau thiab rov ua dua hauv tib neeg lub hlwb, lawv yog ib feem tseem ceeb ntawm tib neeg microbiome thiab tus neeg nruab nrab tseem ceeb ntawm kev sib pauv caj ces ntawm cov kab mob pathogenic thiab cov kab mob uas tsis yog kab mob [
Dab tsi yog kab mob bacteriophage?
Virulent bacteriophages tau pib txhais nyob rau hauv 1959 los ntawm Adas li " ib phage uas tsis muaj peev xwm los lysogenize" . Phages tuaj yeem dhau ob hom kev rov ua dua: lytic lossis lysogenic replication. … Raws li yav dhau los tau piav los ntawm Adas, cov kab mob bacteriophages yog cov uas rov ua dua los ntawm lub voj voog lytic lytic cycle Lub voj voog lytic (/ˈlɪtɪk/ LIT-ik) yog ib qho ntawm ob lub voj voog ntawm cov kab mob sib kis(xa mus rau cov kab mob kab m
Leej twg nrhiav tau lysogeny?
Lub sijhawm, ntau lub phage tshiab tau tsim sai, thaum lwm lub sijhawm, phage tshiab tsuas yog tsim ntau tiam kab mob tom qab. Nyob rau thaum ntxov 1950s André Lwoff tau piav qhia txog qhov txheej txheem no, hu ua lysogeny, ua haujlwm li cas.
Lub ntsiab lus ntawm lysogeny yog dab tsi?
Lysogeny, hom lub neej voj voog uas tshwm sim thaum tus kab mob bacteriophage kis tau qee yam kab mob. Hauv cov txheej txheem no, cov genome (kev sau cov noob nyob rau hauv nucleic acid core ntawm tus kab mob) ntawm cov kab mob bacteriophage ruaj khov ua ke rau hauv chromosome ntawm tus kab mob tus tswv thiab rov ua dua hauv kev hais kwv txhiaj nrog nws.
