Questions tagged [entrez]

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e-utilities install file seems to be corrupted

I am trying to install e-utilities from the NCBI from this link. When I download the file source ./install-edirect.sh. This successfully installs the e-utilities, ...
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1answer
46 views

Entrez (Biopython) esearch and efetch not returning sequence as expected

I'm trying to use Entrez (through Biopython) to download the sequence of a TMV replicase gene. I have the following code: ...
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2answers
40 views

Long-form gene summary

The following (thx to these answers) retrieves the info, in particular a long summary (such as "The membrane-associated protein encoded by this gene is a member of the superfamily of ATP-binding ...
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1answer
76 views

Using Entrez.efetch() to retrive .fasta file from any NCBI database?

I tried to use these python codes to retrieve a .fasta file from gene database, but the output were the parameters of the report ...
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2answers
97 views

How to obtain NCBI Nucleotide (Entrez) IDs for all E coli sequences?

I would like to gather a list of ALL E coli NCBI (Entrez/Nucleotide) IDs so that I can download fna and faa files, through a function like this: ...
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0answers
20 views

Finding annotated counterpart after BLASTn with efetch (Biopython)

I am creating a pipeline for the identification of unknown transcripts. After a local BLASTn search of the transcripts, I have a large list of the respective hits with different genomes. I have the ...
1
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1answer
30 views

Why doesn't an (Entrez eutils) einfo request for "gene" return the link gene_nucleotide or gene_nucleotide_pos links?

I'm updating a galaxy tool wrapper for Entrez's eutils suite and I'm trying to create a form with valid link selections (among other things) based on the "from" & "to" ...
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1answer
27 views

How to extract metadata from NCBI's experiment?

I want to extract metadata from experiment SRX1596422. I have sratoolkit and Entrex direct but not sure what line of code to use. Here's the link for the experiment: experiment SRX1596422
3
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1answer
67 views

How to query NCBI (Nucleotide database) by a feature qualifier?

I cannot seem to find a way to query nucleotide database (https://www.ncbi.nlm.nih.gov/nuccore) by a specific qualifier of the feature. For example, by /host under the feature "source". For example, ...
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2answers
54 views

Why the gene symbol aliases have significantly different sequences?

"Aliases" or "Synonyms" should represent the same gene but with different names. But when I try to find the sequence of one alias and try to match with another alias they are ...
1
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1answer
56 views

rentrez to retrieve NIH files

I'm trying to use rentrez package to retrieve NIH files, and ran the following code (I followed what was on the rentrez tutorial): ...
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2answers
287 views

Entrez.efetch returns incomplete genbank records

I am using the biopython Entrez.efetch command to retrieve all features (CDS, mRNA, ...) of some genomes. In this case (NC_014649, Acanthamoeba polyphaga mimivirus), it works as expected: ...