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条形 isibhengezo-03

Imikhiqizo

Ukulandelana kwe-mRNA yobude obugcwele-Nanopore

Ngenkathi ukulandelana kwe-mRNA okususelwe ku-NGS kuyithuluzi eliguquguqukayo lokulinganisa ukusho kofuzo, ukuthembela kwayo ekufundeni okufushane kuvimbela ukusebenza kwayo ekuhlaziyeni okuyinkimbinkimbi kwe-transcriptomic. Ngakolunye uhlangothi, ukulandelana kwe-nanopore kusebenzisa ubuchwepheshe obufundwe isikhathi eside, okuvumela ukulandelana kwemibhalo yobude obugcwele ye-mRNA. Le ndlela isiza ukuhlola okuphelele kokunye ukuhlanganisa, ukuhlanganiswa kwezakhi zofuzo, i-poly-adenylation, kanye nokulinganisa kwe-mRNA isoforms.

Ukulandelana kwe-Nanopore, indlela ethembele kumasiginali kagesi we-nanopore single-molecule yesikhathi sangempela, inikeza imiphumela ngesikhathi sangempela. Iqondiswa amaphrotheni enjini, i-DNA enemicu ekabili ibophezela kumaprotheni e-nanopore ashumekwe ku-biofilm, ivuleke njengoba idlula kumzila we-nanopore ngaphansi komehluko we-voltage. Izimpawu zikagesi ezihlukile ezikhiqizwe izisekelo ezihlukene kuchungechunge lwe-DNA ziyatholwa futhi zihlukaniswe ngesikhathi sangempela, kube lula ukulandelana kwe-nucleotide okunembile nokuqhubekayo. Le ndlela yokusungula inqoba imikhawulo yokufunda okufushane futhi inikeza inkundla eguquguqukayo yokuhlaziywa kwe-genomic okuyinkimbinkimbi, okuhlanganisa izifundo eziyinkimbinkimbi ze-transcriptomic, ezinemiphumela esheshayo.

I-Platform: Nanopore PromethION 48


Imininingwane Yesevisi

I-Bioinformatics

Imiphumela yedemo

Okushicilelwe Okufakiwe

Izici

● Ukuthwebula i-poly-A mRNA okulandelwa ukuhlanganiswa kwe-cDNA nokulungiselela umtapo wolwazi

● Ukulandelana kwemibhalo yobude obugcwele

● Ukuhlaziywa kwe-Bioinformamatic okusekelwe ekuqondaneni nofuzo lwereferensi

● Ukuhlaziywa kwe-Bioinformamatic akubandakanyi nje kuphela ukuvezwa ezingeni lofuzo kanye neleveli ye-isoform kodwa nokuhlaziywa kwe-lncRNA, ukuhlanganiswa kwezakhi zofuzo, i-poly-adenylation kanye nesakhiwo sofuzo.

Izinzuzo Zesevisi

Ukulinganisa kwenkulumo ezingeni le-isoform: ukunika amandla ukuhlaziywa kwenkulumo okunemininingwane nokunembile, ukwembula uguquko olungase lufihlwe lapho kuhlaziywa lonke uhlobo lwesisho sofuzo

Izidingo Zedatha Eyehlisiwe:Uma kuqhathaniswa ne-Next-Generation Sequencing (NGS), ukulandelana kwe-Nanopore kubonisa izimfuneko zedatha eziphansi, okuvumela amaleveli alinganayo okugcwala kwesisho sofuzo ngedatha encane.

Ukunemba okuphezulu kokulinganisa kwenkulumo: kokubili ezingeni lofuzo kanye ne-isoform

Ukuhlonza ulwazi olwengeziwe lwe-transcriptomic: enye i-polyadenylation, izakhi zofuzo ezihlanganisiwe kanye ne-lcnRNA kanye nezakhi zazo ezihlosiwe

Ubungcweti Olubanzi: Ithimba lethu liletha ingcebo yolwazi kuwo wonke amaphrojekthi, njengoba seliqede amaphrojekthi we-transcriptome we-Nanopore angaphezu kuka-850 futhi lacubungula amasampula angaphezu kuka-8,000.

Ukusekelwa Kwangemva Kokuthengisa: Ukuzinikela kwethu kudlulela ngalé kokuphothulwa kwephrojekthi ngenkathi yesevisi yezinyanga ezi-3 ngemva kokuthengisa. Ngalesi sikhathi, sinikezela ngokulandelelwa kwephrojekthi, usizo lokuxazulula inkinga, namaseshini e-Q&A ukuze siphendule noma yimiphi imibuzo ehlobene nemiphumela.

Izidingo Zesampula Nokulethwa

Umtapowolwazi

Isu lokulandelanisa

Idatha iyanconywa

Ikhwalithi yokulawula

I-Poly A inothisiwe

I-Ilumina PE150

6/12 Gb

Isilinganiso sekhwalithi yesikolo: Q10

Izimfuneko zesampula:

Ama-Nucleotides:

Conc.(ng/μl)

Inani (μg)

Ubumsulwa

Ubuqotho

≥ 100

≥ 1.0

OD260/280=1.7-2.5

OD260/230=0.5-2.5

Amaprotheni anomkhawulo noma awekho nhlobo noma ukungcola kwe-DNA okuboniswa kujeli.

Okwezitshalo: RIN≥7.0;

Okwezilwane: RIN≥7.5;

5.0≥28S/18S≥1.0;

ukuphakama okulinganiselwe noma okungenakho

● Izitshalo:

Izimpande, Isiqu noma I-Petal: 450 mg

Iqabunga noma Imbewu: 300 mg

Isithelo: 1.2 g

● Isilwane:

Inhliziyo noma Amathumbu: 300 mg

I-Viscera noma Ubuchopho: 240 mg

Imisipha: 450 mg

Amathambo, Izinwele noma Isikhumba: 1g

● Ama-arthropods:

Izinambuzane: 6g

I-crustacea: 300 mg

● Igazi lonke: 1 ithubhu

● Amaseli: 106 amaseli

Ukulethwa Kwesampula Okunconyiwe

Isitsha: 2 ml centrifuge tube (Tin foil ayinconywa)

Ukulebula okuyisampula: Ukuphindaphinda kweqembu+isb A1, A2, A3; B1, B2, B3.

Ukuthunyelwa:

1. Iqhwa elomile: Amasampula adinga ukupakishwa ezikhwameni futhi agqitshwe eqhweni elomile.

2. Amashubhu e-RNAstable: Amasampula e-RNA angomiswa ngeshubhu lokuzinzisa le-RNA(isb. i-RNAstable®) futhi athunyelwe ekamelweni lokushisa.

Ukugeleza Komsebenzi Wesevisi

Ama-Nucleotides:

ukulethwa kwesampula

Ukulethwa kwesampula

Ukulungiselela Umtapowolwazi

Ukwakhiwa komtapo wolwazi

Ukulandelanisa

Ukulandelanisa

Ukuhlaziywa kwedatha

Ukuhlaziywa kwedatha

Ngemva kokudayiswa Services

Amasevisi angemuva kokuthengisa

Ukugeleza Komsebenzi Wesevisi

Izicubu:

Isampula ye-QC

Idizayini yokuhlola

ukulethwa kwesampula

Ukulethwa kwesampula

Ukuhlolwa komshayeli

Ukukhishwa kwe-RNA

Ukulungiselela Umtapowolwazi

Ukwakhiwa komtapo wolwazi

Ukulandelanisa

Ukulandelanisa

Ukuhlaziywa kwedatha

Ukuhlaziywa kwedatha

Ngemva kokudayiswa Services

Amasevisi angemuva kokuthengisa


  • Okwedlule:
  • Olandelayo:

  • ubude obugcwele

    ● Ukucubungula idatha engahluziwe

    ● Ukuhlonza umbhalo

    ● Okunye ukuhlanganisa

    ● Ukulinganisa kokuvezwa ezingeni lofuzo kanye nezinga le-isoform

    ● Ukuhlaziywa kwenkulumo okuhlukile

    ● Isichasiselo somsebenzi nokunothisa (ama-DEG nama-DET)

     

    Ukuhlaziya okuhlukile kokuhlanganisa图片20 I-Alternative Polyadenylation Analysis (APA)

     

    图片21

     

    Ukubikezela kwe-lncRNA

     图片22

     

    Isichasiselo sofuzo lwenoveli

     图片23

     

     

     Ukuhlanganiswa kwama-DET

     

     图片24

     

     

    Amanethiwekhi Amaprotheni-Amaprotheni kuma-DEGs

     

      图片25 

    Hlola intuthuko egqugquzelwa izinsiza zokulandelana ze-mRNA ze-BMKGene's Nanopore ngeqoqo elikhethiwe lokushicilelwe.

     

    Gong, B. et al. (2023) 'Ukwenziwa kusebenze kwe-Epigenetic kanye nokubhala okubhaliwe kwe-secretory kinase FAM20C njenge-oncogene ku-glioma', Ijenali yeGenetics and Genomics, 50(6), pp. 422–433. doi: 10.1016/J.JGG.2023.01.008.

    Yena, Z. et al. (2023) 'Ukulandelana kwe-transcriptome yobude obugcwele be-lymphocyte kusabela ku-IFN-γ kuveza ukusabela kwamasosha omzimba oku-Th1 ku-flounder (Paralichthys olivaceus)', Fish & Shellfish Immunology, 134, p. 108636. doi: 10.1016/J.FSI.2023.108636.

    UMa, Y. et al. (2023) 'Ukuhlaziywa okuqhathanisayo kwe-PacBio kanye nezindlela zokulandelana ze-ONT RNA zokuhlonza ubuthi be-Nemopilema Nomurai', Genomics, 115(6), p. 110709. doi: 10.1016/J.YGENO.2023.110709.

    Yu, D. et al. (2023) 'Ukuhlaziywa kwe-Nano-seq kuveza ukuthambekela okuhlukile kokusebenza phakathi kwama-exosomes nama-microvesicles atholakala ku-hUMSC', i-Stem Cell Research and Therapy, 14(1), amakhasi 1-13. doi: 10.1186/S13287-023-03491-5/AMATHEBULA/6.

     

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