which says RaTG13 doesn't make sense on how it was sequenced, or how the data got so messed up in the lab as to include copy paste mistakes, bat dna, pangolin dna, rice dna, mice dna, & nobody should use it to form conclusions until it's properly vetted
1. Thread: RaTG13 Real or Fake?
A Norwegian Scientist @Vehuardo recently claimed RaTG13 is an "authentic virus"
https://t.co/tAXMNTwdhA
This failed to take into account the work of our DRASTIC colleagues & other published analyses.
This thread is a polite attempt to educate.
which says RaTG13 doesn't make sense on how it was sequenced, or how the data got so messed up in the lab as to include copy paste mistakes, bat dna, pangolin dna, rice dna, mice dna, & nobody should use it to form conclusions until it's properly vetted
"sequence is incomplete & provided segment doesn't function. The identified markers suggest partial match basis & actual virus itself as described by the sequence can't functionally exist due to incoherent structures that appear to be the result of sample contamination"
The Validity of critical pieces of evidence for the natural origin of SARS-CoV-2 is Dubious, and needed to be reconsidered
https://t.co/yTNYcsbees
Major Concerns on the Identification of Bat Coronavirus Strain RaTG13 and Quality of Related Nature Paper
https://t.co/o3jWQWwJFQ
https://t.co/qVPC1HTxcA
by @MonaRahalkar and @BahulikarRahul
https://t.co/DUvBGawcso
Anomalies in BatCoV/RaTG13 sequencing and provenance
from @flavinkins
https://t.co/dYpqvcebuo
and
https://t.co/QUxsxcmnAo
initially proposed by @interne41914499 #DRASTIC
https://t.co/GGIX4UH06b
by @MonaRahalkar and @BahulikarRahul
@nerdhaspower which can be found here:
https://t.co/U1F1f8p9A6
much hated by the virology community ;)
https://t.co/XmPEVP20f5
Discovery of 2 sites in the raw data that don't match the published RaTG13 genome, also noted by
@shingheizhan who found this mismatch & 2 bases which are identical to their counterparts in SARS-CoV-2,
"kind of bizarre"
https://t.co/deLDt5kUsu
How about you, can you explain them?
I mentioned this above because its the most unambiguous example of this. TG also happens to be the SARS-CoV-2 variant at this position. The amino acid selected for at this position (ZN2 domain) in ExoN also seems to follow a pattern for Bat-derived vs common-cold coronaviruses. pic.twitter.com/iMIf8l6uAp
— notoriousFIL (@notoriousFIL) September 17, 2020
Apart from some ambiguous results from computer models & pseudoviruses, the consensus is that RaTg13 is not a viable virus, supported anecdotally by Beijing Scientists who failed to recreate and infect animals with it.
https://t.co/AwUdiocb6f
has anyone heard any updates on this RaTG13 research? https://t.co/cM8yLXHLwg
— Billy Bostickson \U0001f3f4\U0001f441&\U0001f441 \U0001f193 (@BillyBostickson) September 23, 2020
We know that RaTG13 does not even result in infection in bats due to weaker affinity between its S-domain & bat ACE2 receptor compared to SARS-CoV-2 & human ACE2. So, if this is the case, how could it have even emerged from bats?
https://t.co/QbFpgWXYWk
https://t.co/R1WDjxzvvf
The question arises, if Scientists are so sure RaTg13 is viable & natural, why haven't more experiments been done to test it?
https://t.co/z9LNvUzoR4
However, no further in vivo work has been attempted since.
Just "gain entry"?
We have no results about infectivity, so why no in vivo experiments?
https://t.co/3FcszCgk4B
"a wide range of ACE2 orthologs support binding to RBD proteins of Bat-CoV RaTG13"
https://t.co/neyH77DnAr
It was later revealed that they used the wrong species of bat for ACE2 sequence (Rs instead of Ra) thus invalidating their claim
I would suggest that it may have been the result of "directed evolution"
@flavinkins points out that despite high in-vitro activity, it does not have in-vivo infectivity
1 https://t.co/vELGSA8qO1
2 https://t.co/boEKPr2gKt
3 https://t.co/S8glmOJafa
This raises questions:
Where are the in-vivo experiments with RaTG13?
Can it even be recreated?
Why has nobody even tried?
https://t.co/OjJLMpZNZa
RaTG13 & RmYN02 have also produced weird results in phylogenetic analyses of SARS-2, at odds with epidemiological data.
— Ant\xf3nio Duarte (@AntGDuarte) October 10, 2020
With so many variables at play, it's easy to explain away one odd result. But anomaly seems the rule here, rather than the exception.
https://t.co/GhAutTIr6t
https://t.co/jWniyY9WRI
https://t.co/Vazefx6lz6
The PDF has more complete data and is essential reading:
https://t.co/qghoWdlMDV
@flavinkins suggests that the amplicons could have been generated by simulators such as MetaSim & short fragments synthesised & sequenced
https://t.co/zKT2Mmm4HW
TG doesn't add credit to the RaTG13 story
Sanger amplicon only released in May to fill a gap in seqs
Complete SRR full of eukaryotic contamination that didn't even match its alleged host R. affinis
BALF or feces?
Smells like a mineshaft full of guano!
For example:
https://t.co/iofBxkQUXq
See Table S1. The whole genome nucleotide similarity https://t.co/DBINNuE35h
SARS-CoV-2 & bat RaTG13 spike glycoprotein structures inform on virus evolution and furin-cleavage effects
https://t.co/ilMmjCLjzu
They were indeed forced to take extreme measures to obtain viable RatG13 for their experiments!
Due to its inability to infect anything more than Nature Papers crafted by Zhengli Shi and her desperate lab members!
https://t.co/30aqZqDb7i
Comparative genomic analysis revealed specific mutation pattern between SARS-CoV-2 & Bat-SARSr-CoV RaTG13
https://t.co/F2fHoGWMfN
Note the bizarre mention of "5-FU" in the conclusion.
Anyone?
a drug used for lethal mutagenesis, a broad-spectrum antiviral strategy that increases viral mutation rates & burdens viral populations with mutations reducing infectious progeny
https://t.co/hWedAMiMH2
and
https://t.co/I8iqsFIAsE
Excessive G–U transversions in novel allele variants in SARS-CoV-2 genomes (RaTG13)
https://t.co/hQgsE7aDVs
(underlying divergence between RaTG13 & SARS-CoV-2)
Mutation Patterns of Human SARS-CoV-2 and Bat RaTG13 Coronavirus Genomes Are Strongly Biased Towards C>U Transitions
https://t.co/AelHag0Z12
An Update on the Origin of SARS-CoV-2: Though
Closest Identity, Bat (RaTG13) and Pangolin Derived
Coronaviruses Varied in the Critical Binding Site and
O-Linked Glycan Residues
https://t.co/SEZIrPJjM4
Synonymous mutations & molecular evolution of SARS-Cov-2 origins
https://t.co/JrNOJzeob7
"Another possibility is that RaTG13 has been maintained under conditions which have allowed it to continue to evolve after its initial sampling."
Recently, Dr. Yan published 2 "reports" on SARS-COV-2, alleging it is a CCP bioweapon.
Whether or not you agree, her discussion of RaTG13 was accurate and clear, but was attacked in a "review":
https://t.co/XN9Q1BmUfo
See the image for their pathetic "arguments"
https://t.co/tAXMNTwdhA
answered by @flavinkins
1. The so-called “amplicons” were published long after the problems with the ILLUMINA were exposed, so no assembly can be made for RaTG13 using the SRA
2.
They have a publishing date almost a month after the problems with the raw data were found in April.
3. They were made up in May, synthesised on 2 plates, 1 for forward reads, 1 for reverse reads. They then had a problem with S1 & had to quickly make the last 4 amplicons
The result was these amplicons had random, non-vector & non-Biological sequences hanging off the ends
4. Also, the real problem is that the “fecal swab” is anything but a “fecal swab”. You can look with your own eyes and perform a search on “bat feces” on NCBI. Whenever bacteria drops below 2.5% in total cellular organisms, all RNA viral reads are gone.
5. Bacterial 16S rRNA is a lot tougher than Eukaryotic and viral RNA. When 16S is destroyed, viral RNA will already be obliterated and no assemblable sequences will be possible.
6. In fact, it took them over 3 months to publish the amplicons—“gap filling PCR data”—the timeline does not match up at all for a real sequencing project—those “amplicons” appeared just the same time as you would expect for a gene synthesis company from order to shipment.
7. The RaTg13 Pipeline is completely inverted by date and time:
Assembly comes first and ILLUMINA comes 2 weeks after assembly, which will be easy as a point-to-point fabrication is easy.
Most rRNA was degraded beyond repair, no mRNA properly matches anything
8. “mRNA” matches match the clone more than
Predicted RNA, & the “virus” had far higher quality than anything else. They could easily get fake data, for example, CoV2 data. Manually alter the base calls by alignment & change the basecall without changing the quality score.
9. They could have merged this into a fake “sample”.
For example, the WGS of the bat, filtered coarsely to generate an exome.
Then after 3 months they published the “amplicons” which is suspicious as 3 months is the time for a gene synthesis company to deliver their order.
10. Here you can see the Bat and Viral Metagenome:
every dataset is mostly bacteria.
(lowest bacteria in all cellular organisms = 30%)
https://t.co/nADnfIUPzZ
https://t.co/uORg2OzuPf
103. John Signus on the Significance of RaTG13
— Billy Bostickson \U0001f3f4\U0001f441&\U0001f441 \U0001f193 (@BillyBostickson) November 1, 2020
21-10-2020 - 37p
Anomalous Datasets Reveal Metagenomic Fabrication Pipeline That Further Questions Legitimacy of Ratg13 Genome & Associated Nature Paper
Print https://t.co/RXC1mj5Uvb
PDF https://t.co/Lekg0rlPN4
also mentions RmYN02 pic.twitter.com/fOI3eXaFIr
More from Billy Bostickson 🏴👁&👁 🆓
"finally, the time has slip and slid its slimy course through to us - and we're the vicious bastards of the new generation. we do not relent, and we should not be held to account for our ancestral faults"
https://t.co/mhJO6yOQRE
Here is how B.1.1.529 (#Omicron #B11529) compares to Alpha, Beta, Gamma, Delta variants.
— nference (@_nference) November 27, 2021
Omicron has highest novel Spike mutations including striking cluster on the "crown" suggesting significant selection pressure & antigenic distinction from prior strains
(Credits: nference) pic.twitter.com/4oZQbjhbG8
2. The Letter Chosen by the WHO
"It's amazing that the Xi variant seems to have somehow managed to evade detection..."
via @readomain
Why 'Omicron', Not 'Nu' or 'Xi'?
WHO Says Two Letters in Greek Alphabet Jumped to 'Avoid Stigma'
https://t.co/xnGR9XK2tF
3. The Omicron variant has been found in nearly every province of South Africa, as well as Botswana, Belgium, Israel, UK and Hong Kong.
This month, Israel held an exercise, The “Omega Exercise”, meant to prepare for a hypothetical, new COVID-19
4. Omicron Infographic
(appeared in Germany and Italy now)
https://t.co/oNFYBH1F1o
5. Overview of Omicron (B.1.1.529) from @nicd_sa
https://t.co/HN9csJqK0z
Prof @Tuliodna is giving an insightful overview of the #NewVariant #B11529 pic.twitter.com/VnFBrj2pOT
— NICD (@nicd_sa) November 25, 2021
dsRNA viruses molecular biology
https://t.co/lwrQoo6ygG
2. Emerging Viruses Group
https://t.co/ND56gVGOAn
3. Structural Biology of Viral Genome Replication
https://t.co/wUqc0YIP3X
4. Molecular Biology of hepatitis Viruses & Gene Therapy
https://t.co/snBbxkhNsC
5. Insect Virus Genetic Engineering Lab
https://t.co/S68mVOA2Ob
Document:
https://t.co/M9cgCOXFsP
2. Supporting Documents
3. Supporting Documents
4. Supporting Documents
5. Supporting Documents (4)
https://t.co/5OVM8F3huO
and
https://t.co/g1tOkKYVCK
Confirmed:
https://t.co/7Mm9LuyoT1
Disputed based on doctored soviet papers by Milton
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— Billy Bostickson \U0001f3f4\U0001f441&\U0001f441 \U0001f193 (@BillyBostickson) January 2, 2021
2 papers:
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@NBA @StephenKissler @yhgrad B.1.1.7 has an unusually large number of genetic changes, ... found to date in mouse-adapted SARS-CoV2 and is also seen in ferret infections.
https://t.co/9Z4oJmkcKj
@NBA @StephenKissler @yhgrad We adapted a clinical isolate of SARS-CoV-2 by serial passaging in the ... Thus, this mouse-adapted strain and associated challenge model should be ... (B) SARS-CoV-2 genomic RNA loads in mouse lung homogenates at P0 to P6.
https://t.co/I90OOCJg7o
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