Deoxyuridine hmoov

Deoxyuridine yog dab tsi

Deoxyuridinehmoovyog ib qho nucleoside uas muaj nitrogenous puag hu ua uracil thiab deoxyribose qab zib. Nws yog ib qho nruab nrab molecule hauv deoxycytidine synthesis, nucleotide tseem ceeb rau DNA replication thiab kho. Nov yog cov lus piav qhia ntxaws ntxiv ntawm deoxyuridine:

1. Uracil:

Uracil yog pyrimidine puag uas yog ib qho ntawm plaub lub hauv paus pom nyob rau hauv nucleic acids. Nws muaj cov qauv molecular ntawm C4H4N2O2 thiab cov qauv uas muaj lub hom phiaj, rau lub nplhaib uas muaj ob lub nitrogen atoms thiab ob lub pa oxygen atoms. Uracil yog ib lub nplhaib ib leeg thiab zoo ib yam li thymine, lwm lub hauv paus pyrimidine pom hauv DNA. Uracil txawv ntawm thymine vim tias nws tsis muaj methyl (-CH3) pawg, uas muaj nyob hauv thymine.

Hauv DNA, lub hauv paus sib npaug rau uracil yog thymine, uas yog tsim los ntawm kev hloov pauv enzymatic ntawm deoxyuridine monophosphate (dUMP) rau deoxythymidine monophosphate (dTMP). Yog li, uracil feem ntau pom muaj nyob hauv RNA, thaum thymine feem ntau pom hauv DNA.

2. Deoxyribose Qab Zib:

Lwm cov khoom ntawm deoxyuridine yog deoxyribose molecule. Deoxyribose yog tsib-carbon qab zib (pentose) uas tsim cov caj qaum ntawm DNA. Nws muaj cov qauv zoo sib xws rau ribose, cov suab thaj pom hauv RNA, tab sis nrog ib qho tseem ceeb sib txawv: deoxyribose tsis muaj oxygen atom ntawm 2' carbon txoj hauj lwm. Qhov no deoxygenation yog dab tsi muab deoxyribose nws lub npe thiab imparts ntxiv stability rau DNA molecule.

Cov piam thaj deoxyribose hauv deoxyuridine muaj tsib carbon atoms tsim lub nplhaib qauv, nrog hydrogen (H) atoms thiab hydroxyl (-OH) pawg txuas ntawm cov haujlwm tshwj xeeb. Txuas mus rau thawj carbon atom (C1) yog lub hauv paus uracil, thiab txuas mus rau lub thib tsib carbon atom (C5) yog ib pawg phosphate, tsim deoxyuridine monophosphate (dUMP).

Lub purity ntawm peb lub tuam txhab deoxyuridine ntxiv tuaj yeem ncav cuag 99 feem pua. Tsis tas li, peb cov nqi sib tw heev piv rau lwm lub tuam txhab. Yog tias koj xav paub ntau ntxiv, thov hu rau Xi'an Sonwu Biotech Co. Ltd.

Qhov twg Deoxyuridine Pom

Xi'an Sonwu muaj kev paub dhau los hauv kev lag luam thoob ntiaj teb thiab kev noj qab haus huv kev lag luam. Reputation-raws li zoo ua ntej yog lub hauv paus ntsiab lus ntawm Xi'an Songwu Company. Xi'an Sonwu nruj me ntsis tswj cov khoom zoo, yog li xaiv cov ntaub ntawv pib nrog raw cov ntaub ntawv. Tsis tas li ntawd, peb tswj txhua qhov kev nthuav dav thiab txo cov nqi kom peb cov neeg siv khoom tau txais cov khoom lag luam zoo tshaj plaws. Raws li cov no, cov neeg siv khoom tau txais kev qhuas siab rau peb cov khoom. Yog tias koj xav tau deoxyuridine ntxiv, nrhiav Xi'an Sonwu Biotech Co. Ltd.

Peb ua kom paub tseeb ntawm cov khoom zoo, yog li cov qauv tuaj yeem muab tau. Ntawm no yog qhov ntau.

Cov neeg siv khoom 'Cov lus pom zoo

Kev Pabcuam OEM

Xi'an Sonwu tsis tsuas yog tuaj yeem muab cov khoom zoo Deoxyuridine hmoovtab sis kuj muab nws cov tshuaj ntsiav.

Yog li txhua tus neeg siv khoom tuaj yeem kho cov tshuaj ntsiav lawv xav tau. Thiab cov khoom hauv qab no tuaj yeem muab tau.

Customized capsules shells (loj, xim, khoom)

Customized fwj (loj, xim, khoom, style)

Customized ntim (nqus foil ntim, thawv, nruas)

Customized daim ntawv lo (xim zaj duab xis, matte zaj duab xis, daim npog qhov muag)

Dab tsi yog Deoxyuridine hauv PCR

Deoxyuridine (dU) tuaj yeem nkag mus rau hauv cov txheej txheem polymerase saw tshuaj tiv thaiv (PCR) kom pab tau ntau daim ntawv thov, xws li kev xaiv amplification, kev hloov pauv, thiab kev npaj tsev qiv ntawv rau kev sib txuas ntawm lwm tiam. Kev koom ua ke ntawm deoxyuridine hauv PCR suav nrog kev siv cov hloov kho DNA polymerase thiab ntxiv cov dU-muaj primers lossis dUTP nucleotides. Nov yog cov lus piav qhia txog kev siv deoxyuridine li cas hauv PCR thiab nws qhov tseem ceeb hauv cov ntawv thov tshwj xeeb:

1. Hloov kho DNA Polymerase: Txhawm rau koom nrog deoxyuridine hauv PCR, feem ntau siv DNA polymerase nrog uracil excision peev xwm. Qhov tshwj xeeb DNA polymerase no muaj ib qho kev cuam tshuam enzymatic hu ua uracil DNA glycosylase (UDG) uas lees paub thiab excises uracil bases los ntawm DNA molecules. UDG tshem tawm uracil los ntawm cleaving glycosidic daim ntawv cog lus ntawm uracil puag thiab qab zib, tawm hauv qab ib qho chaw abasic lossis "AP site."

2. dU-Containing Primers: PCR primers yog luv DNA strands uas ua haujlwm pib cov ntsiab lus rau DNA synthesis thaum lub sij hawm amplification txheej txheem. Txhawm rau qhia deoxyuridine, ib lossis ob qho tib si ntawm PCR primers tuaj yeem hloov kho kom muaj dU es tsis txhob siv cov tshuaj deoxythymidine (dT). Kev koom ua ke ntawm dU hauv cov txheej txheem primer tso cai rau nws cov kev tswj hwm tom qab thaum lub sijhawm PCR.

3. Uracil DNA Excision: Thaum lub sij hawm PCR, dU-muaj DNA strands ua cov qauv rau DNA synthesis. Raws li hloov DNA polymerase synthesizes ib tug tshiab DNA strand complementary rau lub template, nws paub lub incorporated dU. DNA glycosylase kev ua ntawm polymerase tshem tawm dU, tawm hauv qab ntawm qhov chaw abasic. Cov txheej txheem no hu ua uracil DNA excision.

4. Uracil DNA Kho: Thaum dU tau raug tshem tawm lawm, DNA polymerase pib nrog kev sib txuas los ntawm kev sib txuas cov nucleotide tsim nyog los ua kom tiav cov qauv strand. Nyob rau hauv rooj plaub ntawm dU, DNA polymerase ntxig deoxyadenosine (dA) tawm tsam qhov chaw abasic (AP site).

ib. Qhov tseem ceeb hauv daim ntawv thov PCR: a. Selective Amplification: Kev koom ua ke dU rau hauv PCR primers tso cai rau kev xaiv amplification ntawm cov hom phiaj DNA tshwj xeeb. Los ntawm kev tsim cov primers tshwj xeeb nrog dU hauv paus, nws muaj peev xwm ua kom paub cov kab ke tshwj xeeb, xws li barcodes lossis adapters, ntawm qhov chaw tshwj xeeb hauv cov khoom lag luam. Txoj hauv kev no yog qhov muaj txiaj ntsig zoo rau cov ntawv thov xws li multiplex PCR, qhov twg ntau lub hom phiaj tau nthuav dav ib txhij thiab tom qab ntawd txawv raws li cov txheej txheem qhia tshwj xeeb.

b. Mutation Detection: PCR nrog dU-muaj primers enables nrhiav pom ntawm ib leeg nucleotide polymorphisms (SNPs) los yog taw tes hloov. Tom qab PCR amplification, lub xub ntiag ntawm AP qhov chaw uas tshwm sim los ntawm uracil excision tso cai rau tom ntej enzymatic cleavage ntawm cov chaw no. Cov kauj ruam no, feem ntau ua los ntawm endonucleases xws li UDG lossis Endonuclease IV, tsim cov DNA tshwj xeeb qhov loj me uas qhia tias muaj lossis tsis muaj kev hloov pauv. Los ntawm kev txheeb xyuas cov qauv fragment, cov kev hloov caj ces tuaj yeem txheeb xyuas tau.

c. Kev Npaj Lub Tsev Qiv Tom Ntej Tom ntej: Kev koom ua ke dU rau hauv cov khoom PCR thaum lub sij hawm npaj tsev qiv ntawv rau tiam tom ntej tso cai rau kev tshem tawm ntawm PCR duplicates. Tom qab PCR enrichment ntawm DNA fragments, dU-muaj strands raug kho nrog UDG, uas xaiv excises cov uracil-muaj strands. Cov kauj ruam no ua tau zoo tshem tawm cov PCR duplicates uas yuav txwv tsis pub cuam tshuam qhov kev soj ntsuam qis qis, muab qhov tseeb dua tus sawv cev ntawm qhov sib txawv ntawm cov thawj DNA feem ntau.

Dab tsi yog Mechanism of Action of Deoxyuridine

Deoxyuridine (dU) yog nucleoside uas muaj lub luag haujlwm feem ntau hauv RNA synthesis, tsis yog hauv DNA. Txawm li cas los xij, thaum muab tso rau hauv DNA, nws tuaj yeem muaj ntau yam cuam tshuam rau cov qauv thiab kev ua haujlwm ntawm DNA molecule. Cov txheej txheem ntawm kev ua ntawm deoxyuridine hauv DNA tuaj yeem sib txawv nyob ntawm cov ntsiab lus thiab kev sim teeb tsa. Nov yog qee cov txheej txheem uas muaj peev xwm los ntawm deoxyuridine tuaj yeem cuam tshuam DNA.

1. Base Pairing: Deoxyuridine, zoo li thymine, yog pyrimidine puag. Hauv DNA, thymine (T) tshwj xeeb ua khub nrog adenine (A) los ntawm ob daim ntawv cog lus hydrogen, tsim ib khub ruaj khov. Txawm li cas los xij, yog tias deoxyuridine tau koom ua ke rau hauv DNA es tsis txhob ntawm thymine, nws tuaj yeem tsim cov khub tsis yog canonical. Piv txwv li, deoxyuridine tuaj yeem cuam tshuam nrog ob qho tib si adenine (A) thiab guanine (G), ua rau U: A thiab U: G puag khub, feem. Cov khub uas tsis yog-canonical no tuaj yeem cuam tshuam cov qauv thiab kev ruaj ntseg ntawm DNA, ua rau muaj kev hloov pauv thiab muaj feem cuam tshuam rau DNA replication thiab gene qhia.

2. Kev kho tsis zoo: Cov xovtooj ntawm tes muaj cov txheej txheem tsim nyog los tswj kev ncaj ncees ntawm DNA thiab kho qhov yuam kev uas tshwm sim thaum rov ua dua lossis DNA puas. Ib qho ntawm cov txheej txheem no yog kev kho tsis sib haum, uas cuam tshuam nrog kev lees paub thiab tshem tawm cov tsis sib xws lossis tsis raug hauv paus khub. Thaum deoxyuridine nyob hauv DNA, nws tuaj yeem ua rau U: A lossis U: G tsis sib haum. Kev kho cov enzymes tsis sib haum, xws li MutS thiab MutL, tuaj yeem paub txog cov kev tsis sib haum xeeb no thiab pib kho cov txheej txheem. Kev tshem tawm ntawm deoxyuridine los ntawm DNA thiab nws hloov nrog cov nucleotide raug (xws li, thymine) yog ib qho tseem ceeb hauv kev tswj hwm kev ncaj ncees ntawm DNA.

3. DNA puas thiab kho: Muaj deoxyuridine hauv DNA tuaj yeem ua rau DNA puas. Piv txwv li, deoxyuridine tuaj yeem raug cuam tshuam los ntawm kev ua kom tsis muaj zog, cov txheej txheem tshuaj lom neeg uas cov amino pawg cytosine lossis deoxyuridine hloov mus rau pawg keto, ua rau tsim cov uracil. Uracil hauv DNA tuaj yeem ua rau muaj kev tsis sib haum xeeb ntawm adenine thaum rov ua dua, muaj peev xwm qhia txog kev hloov pauv. Txawm li cas los xij, cov hlwb muaj cov txheej txheem kho DNA, xws li kev kho lub hauv paus, uas kuaj pom thiab tshem tawm uracil los ntawm DNA. Uracil DNA glycosylase yog ib qho enzyme uas tshwj xeeb paub txog thiab cleaves uracil puag, pib txheej txheem kho. Qhov sib txawv hauv DNA yog tom qab ntawd sau nrog cov nucleotide tsim nyog los ntawm DNA polymerase thiab kaw los ntawm DNA ligase, zoo kho qhov kev puas tsuaj los ntawm deoxyuridine.

4. Qhov cuam tshuam rau DNA Stability thiab Structure: Lub xub ntiag ntawm deoxyuridine hauv DNA tuaj yeem cuam tshuam rau nws qhov ruaj khov thiab cov khoom siv. Lub hauv paus ua ke ntawm uracil nrog adenine lossis guanine tuaj yeem qhia txog kev cuam tshuam ntawm cov txheej txheem hauv DNA helix, uas ua rau muaj kev hloov pauv DNA-protein kev sib cuam tshuam lossis kev hloov pauv hauv tag nrho DNA ua raws. Tsis tas li ntawd, kev kho cov txheej txheem cuam tshuam nrog kev tshem tawm uracil thiab hloov nucleotide tuaj yeem ua rau DNA strand tawg lossis qhov khoob yog tias tsis kho kom raug, muaj kev pheej hmoo ntawm genomic instability.

Qhov txawv ntawm Deoxyuridine thiab Uridine yog dab tsi

Deoxyuridine thiab uridine yog ob qho tib si nucleosides, uas yog cov molecules tsim los ntawm nitrogenous puag (uracil) thiab qab zib (ribose los yog deoxyribose). Txawm li cas los xij, lawv txawv ntawm hom qab zib uas lawv txuas nrog, thiab cov nucleic acids uas feem ntau pom.

1. Cov Khoom Qab Zib: Uridine: Uridine yog ib qho nucleoside uas muaj pyrimidine puag uracil txuas rau ribose qab zib molecule. Cov piam thaj ribose muaj ib pawg hydroxyl (-OH) txuas rau 2 'carbon.

Deoxyuridine: Deoxyuridine, ntawm qhov tod tes, muaj deoxyribose qab zib es tsis txhob ribose. Deoxyribose tsis muaj oxygen atom piv rau ribose, uas ua rau muaj hydrogen atom tam sim no. Qhov sib txawv no ua rau cov piam thaj deoxyribose ruaj khov dua thaum muaj cov pa oxygen reactive, uas pab tiv thaiv DNA ntawm oxidative puas tsuaj.

2. Muaj nuj nqi thiab muaj nyob rau hauv Nucleic Acids: Uridine: Uridine feem ntau pom muaj nyob rau hauv RNA (ribonucleic acid), uas plays ntau lub luag hauj lwm nyob rau hauv protein synthesis, noob qhia, thiab lwm yam cellular txheej txheem. Nws yog ib qho ntawm plaub nucleosides uas tsim RNA, nrog rau adenosine, cytidine, thiab guanosine. Uridine plays lub luag haujlwm tseem ceeb hauv RNA qauv thiab kev ua haujlwm, tshwj xeeb hauv kev coding rau cov ntaub ntawv caj ces thiab tswj cov kev qhia gene.

Deoxyuridine: Deoxyuridine tsis muaj nyob hauv DNA (deoxyribonucleic acid), cov khoom siv ntawm cov hlwb. Hloov chaw, DNA muaj deoxythymidine (dT). Thymidine, daim ntawv nucleoside ntawm deoxythymine, muaj pyrimidine puag thymine txuas rau deoxyribose. Thymidine khub tshwj xeeb nrog adenine (A) hauv DNA, tsim AT puag khub, yog li tswj cov qauv DNA thiab ruaj khov.

Txawm li cas los xij, deoxyuridine tuaj yeem nkag mus rau hauv DNA los ntawm kev kuaj sim xws li qhov chaw qhia mutagenesis lossis tshuaj hloov kho. Qhov no tso cai rau cov kws tshawb fawb los tshawb xyuas qhov cuam tshuam ntawm deoxyuridine ntawm DNA qauv, rov ua dua, kho, thiab lwm yam txheej txheem lom neeg. Los ntawm kev qhia deoxyuridine rau hauv DNA, cov kws tshawb fawb tuaj yeem kawm txog qhov tshwm sim ntawm kev hloov pauv hauv kev sib koom ua ke, DNA kho cov txheej txheem, thiab muaj peev xwm genetic instability.

3. Enzymatic Incorporation: Uridine: Thaum lub sij hawm RNA synthesis, lub enzyme RNA polymerase incorporates uridine mus rau hauv lub loj hlob RNA strand los ntawm kev paub txog cov complementary puag khub nyob rau hauv lub DNA template. Uridine koom nrog hauv cov txheej txheem ntawm cov noob qhia thiab cov protein synthesis hauv hlwb.

Deoxyuridine: Lub ntuj enzymatic kev koom ua ke ntawm deoxyuridine rau hauv DNA yog negligible. DNA polymerases, cov enzymes lub luag haujlwm rau DNA replication thiab kho, feem ntau lees paub thiab koom nrog deoxythymidine thaum DNA synthesis. Qhov tshwj xeeb no yog qhov tseem ceeb rau qhov tseeb replication thiab kis ntawm cov ntaub ntawv caj ces.

4. Lub luag haujlwm lom neeg: Uridine: Uridine, ua ib feem ntawm RNA, koom nrog ntau yam txheej txheem lom neeg. Nws pab txhawb rau cov qauv kev ruaj ntseg ntawm RNA molecules los ntawm kev tsim cov hauv paus khub nrog adenine lossis guanine. Uridine kuj koom nrog RNA hloov kho thiab ua haujlwm ua ntej rau kev sib txuas ntawm lwm cov molecules tseem ceeb, xws li cytidine diphosphate (CDP)-choline, ib feem ntawm phospholipids.

Deoxyuridine: Thaum deoxyuridine tsis tshwm sim nyob rau hauv DNA, nws cov khoom siv sib xyaw ua ke hauv DNA cov kev tshawb fawb tuaj yeem muab kev nkag siab txog qhov cuam tshuam ntawm kev hloov pauv ntawm kev sib koom ua ke, DNA kho mechanisms, thiab muaj peev xwm genetic instability. Kev taw qhia ntawm deoxyuridine rau hauv DNA molecules hauv chav kuaj tso cai rau cov kws tshawb fawb los tshuaj xyuas qhov tshwm sim ntawm kev hloov pauv nucleotides thiab tshawb xyuas cov kev cuam tshuam ntawm DNA thiab ntau cov proteins.

Hoobkas

Xi'an Sonwu nyob hauv ib qho chaw uas muaj ib puag ncig zoo nkauj, npog thaj tsam ntawm 10,000 square meters. Lub Hoobkas muaj cov cuab yeej tsim khoom siab heev, thiab pab pawg kws tshaj lij tau tsim khoom zoo, huv si, thiab huv si, nrog cov khoom txaus txaus. Raws li kev coj noj coj ua ntawm lub tuam txhab, cov kws tshawb fawb tau hais kom tsim cov khoom tshiab. Cov hauv qab no yog qhov chaw sim ntawm peb lub chaw soj nstuam, cov cuab yeej ntsuas qib siab, thiab cov kws tshaj lij kev sim, nrog tus cwj pwm nruj los muab cov ntaub ntawv tseem ceeb rau peb cov khoom thiab muab peb cov neeg siv khoom nrog kev paub zoo.

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Ntim

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FAQ

1. Yuav nug li cas?

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2. Yuav ua li cas lav qhov zoo ntawm cov khoom?

Txhua batch yuav tsum tau kuaj kom peb tuaj yeem muab COA rau cov neeg siv khoom. Tsis tas li ntawd, peb cov khoom dhau qhov kev xeem: HPLC, UV, GC, TLC, thiab lwm yam. Thiab peb kuj koom tes nrog peb tog, xws li, SGS.

3. Yuav ntim thiab khaws cov khoom li cas?

Pob: Lub tshuab nqus tsev ntim cov ntawv ntim & ntim cov ntawv xa tawm qib nruas lossis pob raws li cov neeg siv khoom xav tau

Cia: Rau lub sijhawm luv luv, koj tuaj yeem khaws cia rau hauv qhov chaw qhuav thiab txias thiab ua kom tsis txhob tshav ntuj.

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