Questions tagged [bacteria]

One of the three domains of life, with Archaea and eukaryotes. Bacteria, along with Archaea, are prokaryotes, i.e. lack a nucleus.

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Visualizing cell growth

I model the following events: a rod-shaped cell with center $x$ grows symmetrically until it reaches a maximum length/age, it divides into two identical cells, and the process continues. At division, ...
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26 views

How to construct the phylogenetic tree of the “High Recombination” genus streptomyces?

I need to construct the phylogenetic tree of the whole genus of streptomyces. And my goal is to find out how my target strep species distributed in the whole strep genus and obtain the distribution ...
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58 views

How many single copy gene are needed to construct the phylogenetic tree?

I ran the orthomcl program with genomes of the whole streptomyces genus(from ncbi) as input, but I only got 22 orthologous groups(streptomyces's genome size vary from 2M to 15M, which shows the great ...
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Looking for a tool to find 16S rRNA in hundreds of genomes

I have hundreds of bacterial genomes and I would like to know which is the best informatic tool in which I can run all genomes on one go and get a 16S rRNA gene sequence of each genome as output. ...
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Is there a “definitive” database for Mobile Genetic Elements?

This isn't quite my speciality, but I've been tasked with finding any evidence of Mobile Genetic Elements (like transposable elements, retrotransposons, bacteriophages, etc.) within some WGS samples. ...
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16S species-level taxonomic assignment--what is the current state of the art?

We currently use DADA2 for picking ASVs and the assignTaxonomy funciton for assingment to genera. Google does bring up various recent articles on species-level ...
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1answer
54 views

Extract reads from bam files by their @RG

How could I extract reads from bam files by their read groups @RG ?, I've got one file containing all reads for 5 samples, the SM is appears NONE, So, I want to extract each sample reads by the @RG ...
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1answer
38 views

Annotating conserved protein domains in bacterial assemblies

I understand the basic principles under which RPS-BLAST operates: search a protein (rpsblast) or nucleotide (rpstblastn) query ...
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Why is Clostridium difficile toxin A + B outdated in snomed?

I'm looking at the new version of the Snomed dictionary and the concept 707993000 Clostridium difficile toxin A + B (substance) is deactivated (and outdated) since ...
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how do I predict bacterial small non-coding RNA for a specific mRNA?

I have a gene that it is possible might be regulated by small non-coding RNAs. How can I predict possible sRNAs that target the transcript of this gene. Most software offers the opposite of what I ...
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CRISPR Sequence Finder and Database Download

I am searching for tools to pull CRISPR Spacers from Bacterial Genomes. I am aware of the CRISPRDB and the corresponding identification tool on the web server. Are there other tools for finding ...
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187 views

Gene function annotation - bacterial genome

I'm trying to annotate a genome to find all genes with a specific function. I have a FASTA and the read FASTQs - I'd like to assign the functional group of the identified proteins (e.g. Kegg orthology)...