Video: Cov kab mob tham li cas rau Bonnie Bassler?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Bonnie Bassler pom tias kab mob " tham "rau ib leeg, siv cov lus tshuaj uas tso cai rau lawv tswj kev tiv thaiv thiab kev tawm tsam.
Ib yam li ntawd, tib neeg nug, kab mob sib tham li cas?
Cov kab mob tuaj yeem sib tham ntawm molecules lawv tus kheej tsim. Qhov tshwm sim yog hu ua quorum sensing, thiab tseem ceeb heev thaum tus kab mob propagates. Cov kab mob tuaj yeem sib tham ntawm molecules lawv tus kheej tsim. Qhov tshwm sim yog hu ua quorum sensing, thiab tseem ceeb heev thaum tus kab mob propagates.
Ib sab saum toj no, vim li cas kev nkag siab txog kab mob sib txuas lus tseem ceeb rau tib neeg? Nws yog tseem ceeb rau tib neeg rau nkag siab txog kab mob kev sib txuas lus kom lawv nrhiav tau txoj hauv kev los ua tshuaj tua kab mob uas cuam tshuam rau qhov phem kab mob kev sib txuas lus system, tso cai rau kab mob kom tsis paub tias muaj pes tsawg tus ntawm lawv muaj.
Tom qab ntawd, vim li cas cov kws tshawb fawb tau kawm txog cov kab mob sib txuas lus li cas?
Cov kab mob sib txuas lus los ntawm cov txheej txheem tshuaj hu ua quorum sensing, nyob rau hauv uas lawv tso tawm molecules uas ua hauj lwm raws li cov lus pom nyob ze kab mob . “Lub hom phiaj kawg ntawm qhov kev tshawb fawb no yog hloov pauv pawg neeg paub txog txoj hauv kev uas ua kom puas tsuaj kab mob , thiab cov txiaj ntsig xav tau kab mob ."
Cov kab mob puas muaj hom lus?
Cov yam lus ntawm kab mob . Kab mob sib txuas lus nrog ib leeg siv tshuaj signaling molecules raws li cov lus. Tshwj xeeb tshaj yog, lawv tso tawm, ntes, thiab teb rau cov tsub zuj zuj ntawm cov molecules, uas yog hu ua autoinducers.
Pom zoo:
Cov kab mob puas kis cov kab mob eukaryotic?
Ib lub cell uas muaj kab mob ua rau cov kab mob kis tau ntau dua thiab cov khoom siv caj ces es tsis yog nws cov khoom qub. Qee cov kab mob yuav nyob twj ywm hauv cov tswv tsev rau lub sijhawm ntev, ua rau tsis muaj kev hloov pauv hauv lawv cov tswv tsev (ib theem hu ua lysogenic theem). Cov kab mob ua rau muaj ntau yam kab mob hauv eukaryotes
Cov tshuaj tua kab mob twg thaiv cov kab mob protein ntau?
Tetracyclins yog ib hom tshuaj tua kab mob uas suav nrog cov thawj tetracycline nrog rau doxycycline thiab minocycline. Cov tshuaj tua kab mob no khi rau A qhov chaw ntawm 30s ribosome, tiv thaiv tRNA los ntawm kev nqa cov amino acids tshiab. Yog tias tRNA tsis tuaj yeem txuas mus rau ribosome, ces tsis muaj cov proteins tshiab tuaj yeem ua tau
Cov kab mob twg muaj cov kab mob eukaryotic?
Cov kab mob thiab Archaea tsuas yog prokaryotes. Cov kab mob uas muaj eukaryotic hlwb hu ua eukaryotes. Tsiaj txhu, nroj tsuag, fungi, thiab protists yog eukaryotes. Tag nrho cov kab mob multicellular yog eukaryotes
Cov kab mob thiab cov kab mob ua haujlwm zoo li cas?
Ob leeg cov kab mob thiab cov kab mob muaj cov phab ntsa ntawm tes (txawm hais tias sib txawv hauv cov qauv thiab muaj pes tsawg leeg) Feem ntau cov kab mob thiab cov kab mob tau txais lub zog los ntawm kev ua pa aerobic (ua pa hauv cov kab mob me ntsis txawv dua li hauv Eukaryotes tab sis cov pa oxygen ib txwm xav tau rau oxidise suab thaj, hauv dej kawg. thiab carbon dioxide yog tsim)
Vim li cas cov kab mob Gram tsis zoo tshwm liab liab thaum cov kab mob Gram zoo pom ntshav liab?
Gram zoo hlwb stain ntshav vim lawv cov peptotidoglycan txheej yog tuab txaus, txhais tau tias tag nrho cov kab mob Gram zoo yuav khaws lawv cov stain. Gram tsis zoo hlwb stain liab vim lawv muaj ib tug nyias peptidoglycan phab ntsa, thiab lawv yuav tsis khaws ib yam ntawm cov ntshav stain los ntawm crystal violet