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XBB.1.5+Orf1a:P2287S+S:N185D(16 seqs, Canada) and its potential recombinant with GK.1 (9 seqs, 5 countries) #2093
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It seems that it is designated as GK.1.2, Brazil. However there's only 1 seq from Brazil. |
add sars-cov-2-variants/lineage-proposals#54 to XBB.1.16.16 add sars-cov-2-variants/lineage-proposals#208 to XBB.1.49 add cov-lineages#2083 to HF.1 add cov-lineages#2093 to GK.1.2 add sars-cov-2-variants/lineage-proposals#363 to HD.1 add cov-lineages#1832 to FU.4
add sars-cov-2-variants/lineage-proposals#54 to XBB.1.16.16 add sars-cov-2-variants/lineage-proposals#208 to XBB.1.49 add #2083 to HF.1 add #2093 to GK.1.2 add sars-cov-2-variants/lineage-proposals#363 to HD.1 add #1832 to FU.4 Co-authored-by: Cornelius Roemer <[email protected]>
@corneliusroemer There's only 1/9 of GK.1.2 coming from Brazil, and it's not the earlist one. Why can we get the conclusion that it is from Brazil? |
XBB.1.5.70 is very much most common in Brazil, and Brazil doesn't sequence much, so having 1 sequence from Brazil is quite a lot. Also very early sequences are from Brazil. These country-notes in lineage_notes.txt don't mean much in any case, we could also leave them out |
This issue wasn't actually about 2093, removing it from lineage notes. In the future, it's helpful if each issue is about one lineage. The recombinant part (which I don't think is one, at least there's no strong evidence) would have been left out of this issue. |
…emove erroneously added #2093 from notes
Transferred from sars-cov-2-variants/lineage-proposals#396
XBB.1.5+C4586T,T16974C,C7124T(Orf1a:P2287S),A22115G(S:N185D)
GISAID query: T16974C,A22115G,-C23673T
No. of seqs: 16(Canada)
First: EPI_ISL_17590678, 2023-4-17
Latest: EPI_ISL_17701147, 2023-5-10
usher
Most samples gets S:S940F additionally.
GK.1+T16974C,A22115G(S:N185D)
GISAID query: T16974C,A22115G,C23673T
No. of seqs: 9(Dominician Rep 1 France 2 Spain 2 Brazil 1 Canada 3)
First: EPI_ISL_17948645, Spain, 2023-5-17
Latest: EPI_ISL_17976067, Dominician Rep, 2023-6-27
usher
I suppose it is a recombinant, because they have the common T16974C, which is rare with S:N185D samples(only appears in these 2 lineages). Also both GK.1 and the proposed XBB.1.5 branch don't have additional mutations between 16974 and 22115, so it's possible to be a recombinant.
Also its pattern satisfies a pattern that it emerges in some undersampled areas, and outputs early the weak version of XBB.1.5+S:N185D to Canada only and lately the powerful recombinant (S:185D, with additional S:455,456,704 from GK.1) to multiple countries.
Breakpoint shall be between 12468 and 16973, and breakpoint 2 between 22116 and 22623, as GK.1 has G12467T and C22624T.
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