Construction of improved tools for protein localization studies in Streptococcus pneumoniae.
We have constructed a set of plasmids that allow efficient expression of both N- and C-terminal fusions of proteins of interest to fluorescent proteins mCherry, Citrine, CFP and GFP in the Gram-positive pathogen Streptococcus pneumoniae. In order to improve expression of the fluorescent fusions to l...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Public Library of Science (PLoS)
2013-01-01
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| Series: | PLoS ONE |
| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23349996/?tool=EBI |
| _version_ | 1818721655987372032 |
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| author | Mafalda X Henriques Maria João Catalão Joana Figueiredo João Paulo Gomes Sergio R Filipe |
| author_facet | Mafalda X Henriques Maria João Catalão Joana Figueiredo João Paulo Gomes Sergio R Filipe |
| author_sort | Mafalda X Henriques |
| collection | DOAJ |
| description | We have constructed a set of plasmids that allow efficient expression of both N- and C-terminal fusions of proteins of interest to fluorescent proteins mCherry, Citrine, CFP and GFP in the Gram-positive pathogen Streptococcus pneumoniae. In order to improve expression of the fluorescent fusions to levels that allow their detection by fluorescence microscopy, we have introduced a 10 amino acid tag, named i-tag, at the N-terminal end of the fluorescent proteins. This caused increased expression due to improved translation efficiency and did not interfere with the protein localization in pneumococcal bacteria. Localizing fluorescent derivatives of FtsZ, Wzd and Wze in dividing bacteria validated the developed tools. The availability of the new plasmids described in this work should greatly facilitate studies of protein localization in an important clinical pathogen. |
| first_indexed | 2024-12-17T20:42:11Z |
| format | Article |
| id | doaj.art-67e49e3fb30348019514056328010134 |
| institution | Directory Open Access Journal |
| issn | 1932-6203 |
| language | English |
| last_indexed | 2024-12-17T20:42:11Z |
| publishDate | 2013-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj.art-67e49e3fb303480195140563280101342022-12-21T21:33:16ZengPublic Library of Science (PLoS)PLoS ONE1932-62032013-01-0181e5504910.1371/journal.pone.0055049Construction of improved tools for protein localization studies in Streptococcus pneumoniae.Mafalda X HenriquesMaria João CatalãoJoana FigueiredoJoão Paulo GomesSergio R FilipeWe have constructed a set of plasmids that allow efficient expression of both N- and C-terminal fusions of proteins of interest to fluorescent proteins mCherry, Citrine, CFP and GFP in the Gram-positive pathogen Streptococcus pneumoniae. In order to improve expression of the fluorescent fusions to levels that allow their detection by fluorescence microscopy, we have introduced a 10 amino acid tag, named i-tag, at the N-terminal end of the fluorescent proteins. This caused increased expression due to improved translation efficiency and did not interfere with the protein localization in pneumococcal bacteria. Localizing fluorescent derivatives of FtsZ, Wzd and Wze in dividing bacteria validated the developed tools. The availability of the new plasmids described in this work should greatly facilitate studies of protein localization in an important clinical pathogen.https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23349996/?tool=EBI |
| spellingShingle | Mafalda X Henriques Maria João Catalão Joana Figueiredo João Paulo Gomes Sergio R Filipe Construction of improved tools for protein localization studies in Streptococcus pneumoniae. PLoS ONE |
| title | Construction of improved tools for protein localization studies in Streptococcus pneumoniae. |
| title_full | Construction of improved tools for protein localization studies in Streptococcus pneumoniae. |
| title_fullStr | Construction of improved tools for protein localization studies in Streptococcus pneumoniae. |
| title_full_unstemmed | Construction of improved tools for protein localization studies in Streptococcus pneumoniae. |
| title_short | Construction of improved tools for protein localization studies in Streptococcus pneumoniae. |
| title_sort | construction of improved tools for protein localization studies in streptococcus pneumoniae |
| url | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23349996/?tool=EBI |
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