ArticleBMC microbiology2009
Identification and characterization of intervening sequences within 23S rRNA genes from more than 200 Campylobacter isolates from seven species including atypical campylobacters.
Article in BMC microbiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 11 citations in OpenAlex.
- RNase III, Ribosome Biogenesis and Beyond.Microorganisms · 2021Review
- Article
- Prevalence, seasonality, and antimicrobial resistance of thermotolerantVeterinary world · 2020Article
- Absence of intervening sequences and point mutations in the V domain within 23S rRNA in Campylobacter lari isolates.Folia microbiologica · 2013Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIdentification and characterization of intervening sequences (IVSs) within 23S rRNA genes from Campylobacter organisms including atypical campylobacters were carried out using two PCR primer pairs, designed to generate helix 25 and 45 regions.
resultsOnly C. sputorum biovar sputorum LMG7975 and fecalis LMG8531, LMG8534 and LMG6728 of a total of 204 Campylobacter isolates (n = 56 C. jejuni; n = 11 C. coli; n = 33 C. fetus; n = 43 C. upsaliensis; n = 30 C. hyointestinalis; n = 4 C. sputorum biovar sputorum; n = 5 C. sputorum biovar fecalis; n = 5 C. sputorum biovar paraureolyticus; n = 10 C. concisus; n = 7 C. curvus) were shown to carry IVSs in helix 25 region. C. sputorum biovar fecalis LMG8531 and LMG8534, interestingly, carried two different kinds of the 23S rRNA genes with and without the IVS, respectively. Consequently, in a total of 265 isolates of 269, including 65 C. lari isolates examined previously, the absence of IVSs was identified in the helix 25 region. In the helix 45 region, all the C. hyointestinalis, C. sputorum and C. concisus isolates were shown not to carry any IVSs. However, the 30 of 56 C. jejuni isolates (54%), 5 of 11 C. coli (45%), 25 of 33 C. fetus (76%), 30 of 43 C. upsaliensis (70%) and 6 of 7 C. curvus (90%) were shown to carry IVSs. In C. jejuni and C. upsaliensis isolates, two different kinds of the 23S rRNA genes were also identified to occur with and without IVSs in the helix 45 region, respectively.
conclusionsSecondary structure models were also constructed with all the IVSs identified in the present study. In the purified RNA fractions from the isolates which carried the 16S or 23S rRNA genes with the IVSs, no 16S or 23S rRNA was evident, respectively.
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