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URL: http://www.addgene.org/172602
Proper Citation: RRID:Addgene_172602
Bacterial Resistance: None
Defining Citation: PMID:34369028
Vector Backbone Description: Vector Backbone:n/a; Vector Types:; Bacterial Resistance:None
Comments: The BW-Para E. coli strain is used to screen the functions of chimeric AraC/XylS transcription activators using beta-galactosidase assays (after growing transformed cells on MOPS media). Plasmids encoding these chimeras are found at https://www.addgene.org/browse/article/28216962/. The protocol for the reporter assay is detailed in the manuscript. The genotype for BW-Para is [F-, Δ(araD-araB)567, ΔlacZ4787(::rrnB-3), λ-, rph-1, Δ(rhaD-rhaB)568, hsdR514], ΔlacI785::kan, ΔaraC771::kan, ΔrhaSR::(PBADmut:lacZ)]. The PBADmut:lacZ reporter construct integrated into the rhaSR KO locus comprises a synthetic Para-I promoter with -10/-35 sites of GATACT/TTTACA respectively and an ara-I DNA binding site proximal to the -35 site. The integrated 3.5 kb cassette coding for the reporter construct can be amplified from the genome using the primers: (forward) 5' - GGTGAAAGTTGGAACCTCTTAC - 3' and (reverse) 5'- GCGAGGAAGCGGAATATATCCCC - 3'. Cells should be freshly transformed prior to each assay.
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Source: Addgene (RRID:SCR_002037)
Description: Non-profit plasmid repository dedicated to helping scientists around the world share high-quality plasmids. Facilitates archiving and distributing DNA-based research reagents and associated data to scientists worldwide. Repository contains over 65,000 plasmids, including special collections on CRISPR, fluorescent proteins, and ready-to-use viral preparations. There is no cost for scientists to deposit plasmids, which saves time and money associated with shipping plasmids themselves. All plasmids are fully sequenced for validation and sequencing data is openly available. We handle the appropriate Material Transfer Agreements (MTA) with institutions, facilitating open exchange and offering intellectual property and liability protection for depositing scientists. Furthermore, we curate free educational resources for the scientific community including a blog, eBooks, video protocols, and detailed molecular biology resources.
URL: http://www.addgene.org