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GeneDom is a python library for managing the domestication of genetic parts (i.e. the modification of their sequence so as to make them compatible with a given genetic assembly standard). Genedom binds together a sequence optimizer, genetic standards informations, and a reporting routines, to automate the domestication of large batches in an easy and human-friendly way.

schema

Features include:

Possibility to define parts domesticators with added right-hand and left-hand nucleotide, hard constraints on the sequence (such as absence of a restriction site) and optimization objectives (such as codon optimization).
Built-in pre-defined domesticators for popular genetic assembly standards (well, only EMMA at the moment).
Possibility to generate and attribute barcodes that will be added to the sequence (but won’t be in final constructs) in order to easily check that this is the right part in the future in case of label mix-up.
Routine for mass-domesticating sequences with report generation, including reports on each sequence optimization, spreadsheets of parts, ready-to-order FASTA records of the parts, and a summary report to quickly verify everything, with a list of every domesticator used, for traceability.

Here is an example of summary report:

report

You can also use Genedom online via ``this web app <https://cuba.genomefoundry.org/domesticate_part_batches>``_.

Usage examples¶

Simple domestication of one part¶

from genedom import (GoldenGateDomesticator, random_dna_sequence,
                     write_record)
sequence = random_dna_sequence(2000, seed=123)
domesticator = GoldenGateDomesticator("ATTC", "ATCG", enzyme='BsmBI')
domestication_results = domesticator.domesticate(sequence, edit=True)
print (domestication_results.summary())
write_record(domestication_results.record_after, 'domesticated.gb')

Generating a collection of 20bp barcodes¶

(see docs for more potions)

from genedom import BarcodesCollection

barcodes_collection = BarcodesCollection.from_specs(
    n_barcodes=96, barcode_length=20,
    forbidden_enzymes=('BsaI', 'BsmBI', 'BbsI'))

barcodes_collection.to_fasta('example_barcodes_collection.fa')

Domesticating a batch of parts with PDF report¶

from genedom import BUILTIN_STANDARDS, load_record, batch_domestication

records = [
    load_record(filepath, name=filename)
    for filepath in records_filepaths
]
barcodes_collection = BarcodesCollection.from_specs(n_barcodes=10)
batch_domestication(records, 'domestication_report.zip',
                    barcodes=barcodes,  # optional
                    standard=BUILTIN_STANDARDS.EMMA)

Installation¶

You can install Genedom through PIP (coming soon)

sudo pip install geneblocks

Alternatively, you can unzip the sources in a folder and type

sudo python setup.py install

Licence¶

Genedom is an open-source software originally written at the Edinburgh Genome Foundry by Zulko and released on Github under the MIT licence (copyright Edinburgh Genome Foundry). Everyone is welcome to contribute !

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