PubMed · 8422015
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P H Duray. 1993. Capturing spirochetes from humans.. https://doi.org/10.1093/ajcp%2F99.1.4
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With more than 10 fully sequenced, publicly available prokaryotic genomes, it is now becoming possible to gain useful insights into genome evolution. Before the genome era, many evolutionary processes were evaluated from limited data sets and evolutionary models were constructed on the basis of small amounts of evidence. In this paper, I show that genes on the Borrelia burgdorferi genome have two separate, distinct, and significantly different codon usages, depending on whether the gene is transcribed on the leading or lagging strand of replication. Asymmetrical replication is the major source of codon usage variation. Replicational selection is responsible for the higher number of genes on the leading strands, and transcriptional selection appears to be responsible for the enrichment of highly expressed genes on these strands. Replicational-transcriptional selection, therefore, has an influence on the codon usage of a gene. This is a new paradigm of codon selection in prokaryotes.
Lyme disease is well known for affecting the myocardium in the form of carditis and dilated cardiomyopathy. Pericardial effusion associated with Lyme disease has not been described as yet. This article demonstrates a case of a female patient, 54 years of age, with Borrelia burgdorferi infection and associated pericardial effusion. Recurrent pericardiocenteses as well as conventional treatment of the condition were without success. Diagnosis of Borrelia infection and subsequent treatment with ceftriaxone led to permanent restitution of the pericardial effusion.
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