Acinetobacter baylyi ADP1 OverviewADP1 Resources
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Working with ADP1
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Antibiotic ResistanceADP1 is intrinsically resistant to beta-lactam antibiotics. Do not use plasmids/constructs that have beta-lactamase (bla) as the selectable marker gene for ampicillin (or carbenicillin) resistance. Most other common antibiotic selection markers can be used. We most commonly use kanamycin and spectinomycin resistance markers. The rate of spontaneous mutations to KanR is undetectable. SpecR mutants can arise at a low frequency (~10−8 to 10−9) due to chromosomal mutations, so only use this marker for transformations that have a significantly higher frequency than this.
PlasmidsCommon high-copy number E. coli plasmids do not work in ADP1. A synthetic plasmid (pBAV1K) and broad-host-range plasmid (RSF1010) have been used successfully. In our hands, pBAV1K is less reliable. It is also important to note that because plasmid DNA is linearized when taken up through the competence apparatus, that transformation of plasmids can be significantly less efficient than transformations used to incorporate DNA directly in the chromosome.
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Acinetobacter baylyi ADP1 OverviewADP1 Resources
Working with ADP1
Antibiotic ResistanceADP1 is intrinsically resistant to beta-lactam antibiotics. Do not use plasmids/constructs that have beta-lactamase (bla) as the selectable marker gene for ampicillin (or carbenicillin) resistance. Most other common antibiotic selection markers can be used. We most commonly use kanamycin and spectinomycin resistance markers. The rate of spontaneous mutations to KanR is undetectable. SpecR mutants can arise at a low frequency (~10−8 to 10−9) due to chromosomal mutations, so only use this marker for transformations that have a significantly higher frequency than this.
PlasmidsCommon high-copy number E. coli plasmids do not work in ADP1. | |||||||||||||||||||||||||||||||||||||||||||||||||||||
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< < | A synthetic plasmid (pBAV1K) and broad-host-range plasmid (RSF1010) have been used successfully. In our hands, pBAV1K is less reliable. It is also important to note that because plasmid DNA is linearizes when taken up through the competence apparatus, that transformation of plasmids can be significantly less efficient than transformations used to incorporate DNA directly in the chromosome. | ||||||||||||||||||||||||||||||||||||||||||||||||||||
> > | A synthetic plasmid (pBAV1K) and broad-host-range plasmid (RSF1010) have been used successfully. In our hands, pBAV1K is less reliable. It is also important to note that because plasmid DNA is linearized when taken up through the competence apparatus, that transformation of plasmids can be significantly less efficient than transformations used to incorporate DNA directly in the chromosome. | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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Acinetobacter baylyi ADP1 OverviewADP1 Resources
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Working with ADP1
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Antibiotic ResistanceADP1 is intrinsically resistant to beta-lactam antibiotics. Do not use plasmids/constructs that have beta-lactamase (bla) as the selectable marker gene for ampicillin (or carbenicillin) resistance. Most other common antibiotic selection markers can be used. We most commonly use kanamycin and spectinomycin resistance markers. The rate of spontaneous mutations to KanR is undetectable. SpecR mutants can arise at a low frequency (~10−8 to 10−9) due to chromosomal mutations, so only use this marker for transformations that have a significantly higher frequency than this.
PlasmidsCommon high-copy number E. coli plasmids do not work in ADP1. A synthetic plasmid (pBAV1K) and broad-host-range plasmid (RSF1010) have been used successfully. In our hands, pBAV1K is less reliable. It is also important to note that because plasmid DNA is linearizes when taken up through the competence apparatus, that transformation of plasmids can be significantly less efficient than transformations used to incorporate DNA directly in the chromosome.
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Antibiotic ResistanceADP1 is intrinsically resistant to beta-lactam antibiotics. Do not use plasmids/constructs that have beta-lactamase (bla) as the selectable marker gene for ampicillin (or carbenicillin) resistance. Most other common antibiotic selection markers can be used. We most commonly use kanamycin and spectinomycin resistance markers. The rate of spontaneous mutations to KanR is undetectable. SpecR mutants can arise at a low frequency (~10−8 to 10−9) due to chromosomal mutations, so only use this marker for transformations that have a significantly higher frequency than this.
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< < | Common high-copy number E. coli plasmids do not work in ADP1. A synthetic plasmid (pBAV1K) and broad-host-range plasmid (RSF1010) have been used successfully. In our hands, pBAV1K is less reliable. It is also important to note that because plasmid DNA is linearizes when taken up through the competence apparatus, that transformation of plasmids can be significantly less efficient than transformations used to incorporate DNA directly in the chromosome. | ||||||||||||||||||||||||||||||||||||||||||||||||||
> > | Common high-copy number E. coli plasmids do not work in ADP1. | ||||||||||||||||||||||||||||||||||||||||||||||||||
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> > | A synthetic plasmid (pBAV1K) and broad-host-range plasmid (RSF1010) have been used successfully. In our hands, pBAV1K is less reliable. It is also important to note that because plasmid DNA is linearizes when taken up through the competence apparatus, that transformation of plasmids can be significantly less efficient than transformations used to incorporate DNA directly in the chromosome. | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Antibiotic Resistance | |||||||||||||||||||||
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> > | ADP1 is intrinsically resistant to beta-lactam antibiotics. Do not use plasmids/constructs that have beta-lactamase (bla) as the selectable marker gene for ampicillin (or carbenicillin) resistance. Most other common antibiotic selection markers can be used. We most commonly use kanamycin and spectinomycin resistance markers. The rate of spontaneous mutations to KanR is undetectable. SpecR mutants can arise at a low frequency (~10−8 to 10−9) due to chromosomal mutations, so only use this marker for transformations that have a significantly higher frequency than this. | ||||||||||||||||||||
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< < | Source: Gomez MJ, Neyfakh AA. (2006) Genes involved in intrinsic antibiotic resistance of Acinetobacter baylyi. Antimicrob Agents Chemother 50:3562–3567. DOI: 10.1128/AAC.00579-06 | ||||||||||||||||||||
> > | Source: Gomez MJ, Neyfakh AA. (2006) Genes involved in intrinsic antibiotic resistance of Acinetobacter baylyi. Antimicrob Agents Chemother 50:3562–3567. DOI: 10.1128/AAC.00579-06 | ||||||||||||||||||||
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< < | Genome Resources: BLAST | BioCyc | Quick Reference | ||||||||||||||||||||
> > | Common high-copy number E. coli plasmids do not work in ADP1. A synthetic plasmid (pBAV1K) and broad-host-range plasmid (RSF1010) have been used successfully. In our hands, pBAV1K is less reliable. It is also important to note that because plasmid DNA is linearizes when taken up through the competence apparatus, that transformation of plasmids can be significantly less efficient than transformations used to incorporate DNA directly in the chromosome. | ||||||||||||||||||||
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Acinetobacter baylyi ADP1 OverviewADP1 Resources| Quick ReferenceAntibiotic Resistance
PlasmidsGenome Resources: BLAST | BioCyc | Quick Reference |