ArticleJournal of bacteriology2005
Unusual group II introns in bacteria of the Bacillus cereus group.
Article in Journal of bacteriology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 32 citations in OpenAlex.
- Conjugation acrossFrontiers in microbiology · 2022Review
- The Ll.LtrB intron from Lactococcus lactis excises as circles in vivo: insights into the group II intron circularization pathway.RNA (New York, N.Y.) · 2015Article
- RNA-Seq profile of flavescence dorée phytoplasma in grapevine.BMC genomics · 2014Article
- In vitro characterization of the splicing efficiency and fidelity of the RmInt1 group II intron as a means of controlling the dispersion of its host mobile element.RNA (New York, N.Y.) · 2014Article
- Survey of chimeric IStron elements in bacterial genomes: multiple molecular symbioses between group I intron ribozymes and DNA transposons.Nucleic acids research · 2014Article
- Predicted group II intron lineages E and F comprise catalytically active ribozymes.RNA (New York, N.Y.) · 2013Article
- Mapping the RNA-Seq trash bin: unusual transcripts in prokaryotic transcriptome sequencing data.RNA biology · 2013Article
- Diversity, mobility, and structural and functional evolution of group II introns carrying an unusual 3' extension.BMC research notes · 2011Article
- Evolutionary history and functional characterization of three large genes involved in sporulation in Bacillus cereus group bacteria.Journal of bacteriology · 2011Article
- The tertiary structure of group II introns: implications for biological function and evolution.Critical reviews in biochemistry and molecular biology · 2010Review
- A conserved 3' extension in unusual group II introns is important for efficient second-step splicing.Nucleic acids research · 2009Article
- Group II introns in eubacteria and archaea: ORF-less introns and new varieties.RNA (New York, N.Y.) · 2008Article
- Survey of group I and group II introns in 29 sequenced genomes of the Bacillus cereus group: insights into their spread and evolution.Nucleic acids research · 2008Article
- Cyanobacterial ribosomal RNA genes with multiple, endonuclease-encoding group I introns.BMC evolutionary biology · 2007Article
- Group II intron in Bacillus cereus has an unusual 3' extension and splices 56 nucleotides downstream of the predicted site.Nucleic acids research · 2007Article
- Cereulide synthetase gene cluster from emetic Bacillus cereus: structure and location on a mega virulence plasmid related to Bacillus anthracis toxin plasmid pXO1.BMC microbiology · 2006Article
- Potential for alternative intron-exon pairings in group II intron RmInt1 from Sinorhizobium meliloti and its relatives.RNA (New York, N.Y.) · 2006Article
- Self-splicing of a group IIC intron: 5' exon recognition and alternative 5' splicing events implicate the stem-loop motif of a transcriptional terminator.Nucleic acids research · 2006Article
- Multiple physical forms of excised group II intron RNAs in wheat mitochondria.Nucleic acids research · 2006Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A combination of sequence and structure analysis and reverse transcriptase PCR experiments was used to characterize the group II introns in the complete genomes of two strains of the pathogen Bacillus cereus. While B. cereus ATCC 14579 harbors a single intron element in the chromosome, B. cereus ATCC 10987 contains three introns in the chromosome and four in its 208-kb pBc10987 plasmid. The most striking finding is the presence in B. cereus ATCC 10987 of an intron [B.c.I2(a)] located on the reverse strand of a gene encoding a putative cell surface protein which appears to be correlated to strains of clinical origin. Because of the opposite orientation of B.c.I2(a), the gene is disrupted. Even more striking is that B.c.I2(a) splices out of an RNA transcript corresponding to the opposite DNA strand. All other intragenic introns studied here are inserted in the same orientation as their host genes and splice out of the mRNA in vivo, setting the flanking exons in frame. Noticeably, B.c.I3 in B. cereus ATCC 10987 represents the first example of a group II intron entirely included within a conserved replication gene, namely, the alpha subunit of DNA polymerase III. Another striking finding is that the observed 3' splice site of B.c.I4 occurs 56 bp after the predicted end of the intron. This apparently unusual splicing mechanism may be related to structural irregularities in the 3' terminus. Finally, we also show that the intergenic introns of B. cereus ATCC 10987 are transcribed with their upstream genes and do splice in vivo.
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