Example sentences for: rrna

How can you use “rrna” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • One distinctive aspect of the Buchnera genome is the presence of only one copy each of the genes encoding 16S, 23S and 5S rRNA, and the separation of these genes into two transcriptional units with the 16S rRNA gene ( rrs ) apart from the others ( rrf and rrl ) [ 37].

  • Gene duplication may be a temporary mechanism to increase protein or RNA dosage, as in the case of rRNA genes in amphibian oocytes and ciliate macronuclei, the chorion genes in some dipterans, actin genes in chicken as well as drug transporters in somatic tissues (see [ 34, 37] for reviews).

  • One of their first and most significant findings was the discovery of the third kingdom of life, the Archaebacteria (later renamed Archaea) [ 2 3 4 ] . Subsequently, the analysis of ribosomal RNA produced the first phylogenetic tree, based on the analysis of a single molecule, that included prokaryotes, protozoa, fungi, plants, and animals [ 4 ] . These accomplishments were the foundation for the subsequent revolution in rRNA-based phylogenetic analysis, which has resulted in the sequencing of more than 10,000 16S and 16S-like rRNA and 1,000 23S and 23S-like rRNA genes, from laboratories trying to resolve the phylogenetic relationships for organisms that occupy different sections of the big phylogenetic tree.

  • However, it is clear that within the enterics, relationships based on arsC do not parallel relationships based on 16S rRNA, and significant genetic exchange within this group (possibly inside a host organism) has likely occurred.

  • The Buchnera gene inventory, consisting of only 564 ORFs, 32 tRNAs and a single copy of each rRNA gene, is essentially a subset of that of E. coli [ 8].


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