● Ho tsebahatsa ntle le ho itšehla thajana le ho tseba ka potlako sebopeho sa likokoana-hloko lisampoleng tsa tikoloho
● Boemo bo phahameng ka likarolo tse fokolang haholo lisampoleng tsa tikoloho
● QIIME2 ea morao-rao e hlahlobang phallo e nang le litlhahlobo tse fapaneng ho latela bobolokelo, litlhaloso, OTU/ASV.
● Ho sebetsa ka mokhoa o phahameng, ho nepahala ho phahameng
● E sebetsa lithutong tse fapaneng tsa sechaba ka likokoana-hloko
● BMK e na le boiphihlelo bo batsi ka disampole tse fetang 100,000/selemo, e kwahelang mobu, metsi, kgase, seretse, mantle, mala, letlalo, moro o bedisang, dikokonyana, dimela, jj.
● BMKCloud e nolofalitse tlhaloso ea data e nang le lisebelisoa tse 45 tsa ho hlahloba motho ka mong
TatelanoSethala | Laebrari | Tlhahiso ea data e khothalelitsoeng | Khakanyo ea nako ea ho fetoha |
Illumina NovaSeq Platform | PE250 | 50K/100K/300K Li-tag | Matsatsi a 30 |
● Taolo ea boleng ba data e tala
● OTU clustering/De-noise(ASV)
● Tlhaloso ea OTU
● Mefuta e sa tšoaneng ea alpha
● Ho fapana ha Beta
● Tlhahlobo ea lihlopha
● Tlhahlobo ea mokhatlo khahlanong le lintlha tsa liteko
● Ho bolela esale pele ka liphatsa tsa lefutso
Bakeng saLintlha tsa DNA:
Mofuta oa Mohlala | Chelete | Ho tsepamisa maikutlo | Bohloeki |
Lintlha tsa DNA | > 30 ng | > 1 ng/μl | OD260/280= 1.6-2.5 |
Bakeng sa mehlala ea tikoloho:
Mofuta oa mohlala | Mokhoa o khothaletsoang oa sampole |
Mobu | Chelete ea mohlala: hoo e ka bang.5 g;Lintho tse setseng tse omeletseng li hloka ho tlosoa holimo;Sila likotoana tse kholo 'me u fete ka har'a filthara ea 2 mm;Lisampole tsa Aliquot ka har'a EP-tube kapa cyrotube bakeng sa ho behelloa. |
Mantle | Chelete ea mohlala: hoo e ka bang.5 g;Bokella le lisampole tsa aliquot ho EP-tube kapa cryotube e sa sebetseng bakeng sa ho behelloa. |
Likahare tsa mala | Mehlala e hloka ho sebetsoa tlas'a boemo ba aseptic.Hlatsoa lithane tse bokeletsoeng ka PBS;Hlakola PBS 'me u bokelle precipitant ka EP-tubes. |
Sludge | Chelete ea mohlala: hoo e ka bang.5 g;Bokella le aliquot sludge sampole ho EP-tube e hloekisitsoeng kapa cryotube bakeng sa ho behelloa |
Metsi | Bakeng sa sampole e nang le palo e lekanyelitsoeng ea likokoana-hloko, joalo ka metsi a pompo, metsi a seliba, joalo-joalo, Bokella bonyane metsi a 1 L 'me u fete ka 0.22 μm filthara ho ntlafatsa likokoana-hloko tse holim'a lera.Boloka lera ka har'a tube e hloekisitsoeng. |
Letlalo | Hlakola bokaholimo ba letlalo ka hloko ka swab e hloekisitsoeng ea k'hothone kapa lehare la ho buoa 'me u le kenye ka har'a tube e sa hloekang. |
Emisa lisampole ka har'a naetrojene e metsi bakeng sa lihora tse 3-4 'me u li boloke ka har'a metsi a naetrojene kapa -80 degree ho boloka nako e telele.Ho hlokahala ho romelloa ka sekepe se nang le leqhoa le omileng.
1.Kabo ea mefuta
2.'Mapa oa mocheso: Ho kopanya mefuta e mengata ea mefuta
3.Mokokotlo o sa tloaelehang oa lihlopha
Tlhahlobo ea 4.NMDS
5.Lefse analysis
Taba ea BMK
Batho ba batenya ba nang le lefu la tsoekere la Mofuta oa 2 le ba se nang bona ba bonts'a bokhoni bo fapaneng ba ts'ebetso ea likokoana-hloko le sebopeho
E hatisitsoe:Cell Host & Microbe, 2019
Leano la tatellano:
Lean non-diabetes (n=633);Batho ba nonneng ba nang le lefu la tsoekere (n=494);Lefu la tsoekere la Mofuta oa 2 oa Botenya (n=153);
Sebaka se reriloeng: 16S rDNA V1-V2
Sethala: Illumina Miseq (Sequencing ea amplicon e thehiloeng ho NGS)
Karolo e nyane ea likhechana tsa DNA li ile tsa hlophisoa ka tatellano ea metagenomic ho Illumina Hiseq
Liphetho tsa bohlokoa
Litlhaloso tsa likokoana-hloko tsa mafu ana a metabolism li ile tsa aroloa ka katleho.
Ka ho bapisa likarolo tsa likokoana-hloko tse hlahisoang ke tatellano ea 16S, botenya bo fumanoe bo amahanngoa le liphetoho tse entsoeng ka likokoana-hloko, likarolo tsa motho ka mong, haholo-holo ho fokotseha ho hoholo ho Akkermansia, Faecalibacterium, Oscillibacter, Alistipes, joalo-joalo. Ho phaella moo, T2D e fumanoe e amahanngoa le ho eketseha ha Escherichia / shigella. .
Referense
Thingholm, LB , et al."Batho ba Batenya ba nang le Lefu la tsoekere la Mofuta oa 2 le ba se nang bona ba Bontša Matla le Sebopeho se Fapaneng sa Maleng a Microbial."Cell Host & Microbe26.2(2019).