K
Kyoung-Hee Choi
Researcher at Colorado State University
Publications - 9
Citations - 3059
Kyoung-Hee Choi is an academic researcher from Colorado State University. The author has contributed to research in topics: Plasmid & Gene. The author has an hindex of 9, co-authored 9 publications receiving 2685 citations.
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Journal ArticleDOI
A 10-min method for preparation of highly electrocompetent Pseudomonas aeruginosa cells: Application for DNA fragment transfer between chromosomes and plasmid transformation
TL;DR: A rapid microcentrifuge-based method is described for preparation of Pseudomonas aeruginosa electrocompetent cells with up to 10,000-fold increased transformation efficiencies over existing procedures, which enables the use of transformation for all applications requiring DNA transfer.
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A Tn7-based broad-range bacterial cloning and expression system
Kyoung-Hee Choi,Jared B. Gaynor,Kimberly G. White,Carolina M. López,Catharine M. Bosio,RoxAnn R. Karkhoff-Schweizer,Herbert P. Schweizer +6 more
TL;DR: The Tn7 system allows engineering of diverse genetic traits into bacteria, as demonstrated by complementing a biofilm-growth defect of P. aeruginosa, establishing expression systems in P. putida and Yersinia pestis, and 'GFP-tagging' Y. pestis.
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mini-Tn7 insertion in bacteria with single attTn7 sites: example Pseudomonas aeruginosa.
TL;DR: In contrast to existing chromosome integration systems, which are mostly based on species-specific phage or more-or-less randomly integrating transposons, the mini-Tn7 system is characterized by its ready adaptability to various bacterial hosts, its site specificity and its efficiency.
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An improved method for rapid generation of unmarked Pseudomonas aeruginosa deletion mutants
TL;DR: While maintaining the key features of traditional gene replacement procedures, for example, suicide delivery vectors, antibiotic resistance selection and sucrose counterselection, the method described here is considerably faster due to streamlining of some of the key steps, especially plasmid-borne mutant allele construction and its transfer into the target host.
Journal ArticleDOI
Molecular Basis of Azithromycin-Resistant Pseudomonas aeruginosa Biofilms
Richard J. Gillis,Kimberly G. White,Kyoung-Hee Choi,Victoria E. Wagner,Herbert P. Schweizer,Barbara H. Iglewski +5 more
TL;DR: In this article, the authors used DNA microarrays to identify differentially expressed transcripts in developing Pseudomonas aeruginosa biofilms exposed to 2 mug/ml AZM.