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Recent Activity
JustinA posted in Plaques appear on spot test, don't appear in titer
Viknesh Sivanathan posted in Plaques appear on spot test, don't appear in titer
JustinA posted in Plaques appear on spot test, don't appear in titer
Viknesh Sivanathan posted in Plaques appear on spot test, don't appear in titer
RyanWheeler posted in Plaques appear on spot test, don't appear in titer
All posts created by debbie
Link to this post | posted 29 Jul, 2022 15:32 | |
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Hi Kristen, As of July 29, 2022, 11:30 am, auto-annotation is back up. debbie |
Link to this post | posted 18 Jul, 2022 23:43 | |
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Fernando, Yes, the immunity repressor is called correctly in those genomes. And yes, that area is omitted in Caviar, so you most likely have a lytic phage. Likely a derivative a temperant one. debbie |
Link to this post | posted 14 Jul, 2022 19:22 | |
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Hi Amanda, Here is thought, that may help. You can BLAST a subset of genes at a time in DNA Master. Here is the Bioinformatics Guide entry that explains: https://seaphagesbioinformatics.helpdocsonline.com/article-70 |
Link to this post | posted 07 Jul, 2022 23:46 | |
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Have you wondered what the settings for HHPred, NCBI-blastp, and CDD are used by PECAAN? The parameters that we run for HHPred are as follows: Hhsuitedb: "mmcif70/pdb70 NCBI_CD/NCBI_CD scope70/scope70 pfama/pfama", Proteomes: "", MsaGenMethod: "UniRef30", MsaGenMaxIter: "3", HhpredInclEval: "1e-3", MinSeqidQuery: "0", MinCov: "20", SSScoring: "2", AlignMacMode: "loc", MacThreshold: "0.3", Desc: "250", Pmin: "20", and Blastp from ncbi blast 2.13.0+ is ran remotely with -db nr -gapopen 11 -gapextend 1 -word_size 6 -threshold 21 -window_size 40 -evalue 0.05 -max_target_seqs 100 -outfmt 5 -remote and The CDD database is searched by rpsblast from ncbi blast 2.13.0+ with the following arguments -num_alignments=50 -evalue 0.01 7/7/2022 |
Link to this post | posted 05 Jul, 2022 18:26 | |
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June 21, 2022 Rick Pollenz and Simon White have confirmed (experimentally) that Akoni_gp33 (Cluster EK) is the major capsid subunit! Please annotate! The homolog in Cluster EM is Burro_gp29. |
Link to this post | posted 17 Jun, 2022 13:31 | |
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Hi all, As of today, June 17, 2022, there are 88 Cluster EE genomes in our records. They are closely related genomes that contain only ~28 genes. In an effort to make the records congruent, my students and I have reviewed ~75 of them and revised 71 of the records. The template we used is attached here, along with a list of 71 records that we touched. We spent an abundant amount of time on the helix-turn-helix DNA binding proteins at the right end of the genome. We investigated 'types' of helix-turn-helix choices and decided the best path is to call them helix-turn-helix DNA binding proteins. August 23, 2022 - I just received word that the genomes that we sent to GenBank have been processed. This cluster just might have congruent calls! |
Link to this post | posted 16 Jun, 2022 18:05 | |
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Kathleen and Chris, After reading Chris' entry, he is right -the slippage called in Satis, though it looks very slippery, is not canonical, i.e. not found in the literature. To that end, if we indeed are not calling any of the slippages, I would be inclined to NOT assign the function of a tail assembly chaperone (because there is no HHPred evidence of a TAC) unless I overlooked something. |
Link to this post | posted 16 Jun, 2022 17:52 | |
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I just looked at the tail assembly chaperones of Cluster BM. Here is my take: currently there are six members: Satis Kradla EhyElimyoE JustBecause Kela Frankenweenie To the best of my knowledge none of the protein sequences in question here show an HHPred hit to a tail assembly chaperone (TAC). In order to call them TACs, if they possessed a canonical slippage, they could be called TACs and the slippage would be annotated. The ribosomal slippage found in Satis looks great, AND is identical to what is in Kradal and EhyElimyoE (though they are not called….. yet). Neither JustBecause or Kela have that same slippage. And Frankenweenie doesn't look at bit like the others in the c-terminus. (do a blastp - sequence alignment with Satis_58 and you will see how the alignment falls apart. However, the sequence homology with Satis is compelling. i would be inclined to call both genes TACs, but do not slip them together. I think that is what I would do. Good luck! debbie |
Link to this post | posted 16 Jun, 2022 16:37 | |
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Welcome! |
Link to this post | posted 15 Jun, 2022 23:27 | |
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Hi Kathy, We have a bit of evidence in mass spec data that says that the -1 start is the only one that is present. So in general, we are selecting the -1 choice over the -4 when both are present. debbie |