Example sentences for: stem-loop

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

  • As an example, we show alignments and RNA folds of the four insect orthologs of 2R:11128979, which all adopt canonical, high-scoring stem-loop structures and collectively display patterns of nucleotide divergence characteristic of genuine miRNAs (preponderance of divergence within the loop, slightly less divergence along a nonconserved arm, and perfect conservation of a putative miRNA-encoding arm) (Figure 6).

  • In particular, a series of nested deletions of the P6 stem-loop have been shown to partially or completely compromise ribozyme activity [ 15 ] . More importantly, either magnesium or the tyrosyl tRNA synthetase from Neurospora mitochondria (CYT18) can suppress many of these defects [ 16 17 ] . Previous studies with other introns have also revealed that deletion of the P5 stem-loop can modulate ribozyme activity [ 18 19 ] . We hypothesized that sites where deletions modulated ribozyme activity might also prove to be sites where aptamer conformational changes would modulate ribozyme activity.

  • Indeed, we tested one class 4 and seven class 5 candidates by northern blot and failed to observe expression for any of them, despite extensive, conserved stem-loop structure (data not shown).

  • In this study, we describe miRseeker, a computational approach for the identification of Drosophila miRNA genes that ranks conserved stem-loop structures and assesses their pattern of nucleotide divergence.

  • First, the mature miRNA can be derived from either arm of a given stem-loop, and many predicted pre-miRNAs fold well on either strand.


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