Fig. 1From: Identification and validation of Aeluropus littoralis reference genes for Quantitative Real-Time PCR NormalizationThe rDNA structure and its conserved sequences. a Schematic representation of the eukaryotic rDNA segment that contains 17–18S, 5.8S, and 25–28S rRNA. b The motif logo of the 5.8S primer homology in 2000 green plants records (NCBI taxid number: 33090) by BLASTN with a cut-off (e-value ≤ 1 × 10−10)Back to article page