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Bioinformatics : Recent Questions and Answers (Page 36)

Find answers to your questions about Bioinformatics or help others by answering their Bioinformatics questions.

How to fix "expired or not present file ~/.gm_key!" error in braker?

I'm trying to run a braker with genome file only to see if it's working or not before running with all the datasets. But I'm getting this error again and...

Asked on 02/06/2021

0 answer

Remove/delete sequences by ID from multifasta

I have a fasta file like this:>Id1ATCCTT>Id2ATTTTCCC>Id3TTTCCCCAAAA>Id4CCCTTTAAAI want to delete sequences that have the following IDs.Id2Id3The IDs are in a .txt file, and the text file will be...

Asked on 02/04/2021 by andresito

6 answer

Why use "robust" FPKMs?

Both DESeq2 and edgeR have an FPKM/RPKM function that by default uses normalized library sizes ("robust" option in DESeq2). FPKMs have their own issues, but I thought the main benefit...

Asked on 02/03/2021

1 answer

Is there an R package that computes homoplasy excess ratios (HER)?

I want to calculate the homoplasy excess ratio for a phylogenetic tree, for example homoplasy resulting from recombination. I am wondering if there are any R packages out there that...

Asked on 02/03/2021

1 answer

How do I download the mitochondrial haplogroup datasets for human genetics online?

I seem to have landed on the mitomap.org site, but I don't know what to make of it or what do with it / how to get...

Asked on 02/02/2021

1 answer

Why do I obtain different output results with blast vs awk commands

I have an awk command that identifies 30 pb from two multifasta files. When I used two input files:E.g. 100 sequences each, I get the same result with the awk...

Asked on 02/02/2021 by GSQ

0 answer

Why is there a minus in the 2ˆ(–delta delta CT) method (qPCR)

Question: Why is there a minus in the 2ˆ(–delta delta CT) formula? My line of thoughs: Consider Ct values of some pPCR experiment (some gene of interest X and a...

Asked on 02/02/2021

0 answer

Datasets for making a ML-based model predicting if a PCR primer will match a mutated template

I'm working on a neural-network-based model for predicting if a primer will successfully hybridize with a mutated DNA template during a PCR reaction. This could be useful for all research...

Asked on 02/01/2021 by Jantek Mikulski

0 answer

How to annotate optimally a fungal genome without RNA-seq evidence?

Genome information:~50M nt2300+ contigsNo pre-trained parameters in AugustusThere are several well annotated RefSeq genomes of this genus.There are several RNA-seq data of this genus, but not in...

Asked on 01/30/2021

1 answer

normalizing transcript-level expression data

Generally, RNA-seq analysis tools like edgeR or DESeq2 work on gene-level data. For differential expression (or differential transcript usage), transcript-level data has its own caveats. However, for just visualization, is...

Asked on 01/30/2021

0 answer

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