منابع مشابه
from 18S rRNA Sequences
Several families in the beetle suborder Adephaga have an aquatic life style and are commonly grouped in the “Hydradephaga,” but their monophyly is contentious and relationships between and within these families are poorly understood. Here we present fulllength 18S rRNA sequence for 84 species of Hydradephaga, including representatives of most major groups down to the tribal level, and a total o...
متن کاملDetection of fungal 18S rRNA sequences in conjunction with marine nematode 18S rRNA amplicons
Free-living nematodes constitute an important component of estuarine and marine benthic ecosystems. Some marine and soil nematodes are known to harbor microbes, including symbiotic bacteria and fungi, in their external cuticle as well as internally. While assessing diversity of marine nematodes from southwest England using molecular approaches, we found evidence of coamplification of fungal 18S...
متن کاملESF1 is required for 18S rRNA synthesis in Saccharomyces cerevisiae.
We report that Esf1p (Ydr365cp), an essential, evolutionarily conserved nucleolar protein, is required for the biogenesis of 18S rRNA in Saccharomyces cerevisiae. Depletion of Esf1p resulted in delayed processing of 35S precursor and a striking loss of 18S rRNA. Esf1p physically associated with ribosomal proteins and proteins involved in 18S rRNA biogenesis. Consistent with its role in 18S rRNA...
متن کاملMolecular Identification of Polychaetes Based on 18s rRNA Gene 103 7. MOLECULAR IDENTIFICATION OF POLYCHAETES BASED ON 18S rRNA GENE
Molecular tools have revolutionized the exploration of biodiversity, especially in organisms for which traditional taxonomy is difficult (Tang et al., 2012). The small subunit (SSU) 18S rRNA gene is one of the most frequently used genes in phylogenetic studies and an important marker for random target PCR in environmental biodiversity screening. 18S rDNA is a nuclear ribosomal gene, commonly re...
متن کامل18S rRNA processing requires base pairings of snR30 H/ACA snoRNA to eukaryote-specific 18S sequences
The H/ACA RNAs represent an abundant, evolutionarily conserved and functionally diverse class of non-coding RNAs. Many H/ACA RNAs direct pseudouridylation of rRNAs and snRNAs, while members of the rapidly growing group of 'orphan' H/ACA RNAs participate in pre-rRNA processing, telomere synthesis and probably, in other nuclear processes. The yeast snR30 'orphan' H/ACA snoRNA has long been known ...
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ژورنال
عنوان ژورنال: Journal of Molluscan Studies
سال: 2011
ISSN: 1464-3766,0260-1230
DOI: 10.1093/mollus/eyr047