Results 31 to 40 of about 696,870 (312)

Cloning and sequencing of the complicated rDNA gene family of Bos taurus

open access: yesCzech Journal of Animal Science, 2006
The rDNA genes coding for ribosomal RNA (rRNA) in animals are repeat sequences with high GC content and complicated structure. Based on the sequences of human ribosomal DNA repeat unit and transcription unit and the long and accurate PCR method with LA ...
D. Tang   +5 more
doaj   +1 more source

Comparison of five assays for DNA extraction from bacterial cells in human faecal samples [PDF]

open access: yes, 2020
Aim To determine the most effective DNA extraction method for bacteria in faecal samples. Materials and Results This study assessed five commercial methods, that is, NucliSens easyMag, QIAamp DNA Stool Mini kit, PureLink Microbiome DNA purification kit ...
Glorieux, Griet   +3 more
core   +1 more source

Complete mitochondrial genome of Saiga tatarica (Ruminantia; Pecora; Bovidae) isolate Wuwei in China

open access: yesMitochondrial DNA. Part B. Resources, 2017
This report described the complete mitochondrial genome of the Saiga antelope, Saiga tatarica, from the Gansu Endangered Animal Research Center (GEARC) in Gansu Province, China.
Xin Ding   +7 more
doaj   +1 more source

Organelle-associated rRNA Degradation

open access: yesBio-Protocol, 2019
Cytosolic rRNAs are highly dynamic and can be degraded under conditions such as apoptosis, starvation and magnesium depletion. The degradation is also related to their specific localization, as fractions of cytosolic ribosomes are localized on the ...
Jinliang Huang, Geng Wang
doaj   +1 more source

Locus-specific ribosomal RNA gene silencing in nucleolar dominance. [PDF]

open access: yesPLoS ONE, 2007
The silencing of one parental set of rRNA genes in a genetic hybrid is an epigenetic phenomenon known as nucleolar dominance. We showed previously that silencing is restricted to the nucleolus organizer regions (NORs), the loci where rRNA genes are ...
Michelle S Lewis   +4 more
doaj   +1 more source

Long-read MinION™ sequencing of 16S and 16S-ITS-23S rRNA genes provides species-level resolution of Lactobacillaceae in mixed communities

open access: yesFrontiers in Microbiology, 2023
The Lactobacillaceae are lactic acid bacteria harnessed to deliver important outcomes across numerous industries, and their unambiguous, species-level identification from mixed community environments is an important endeavor.
Sandra A. Olivier   +9 more
doaj   +1 more source

Ecological and Genomic Attributes of Novel Bacterial Taxa That Thrive in Subsurface Soil Horizons. [PDF]

open access: yes, 2019
While most bacterial and archaeal taxa living in surface soils remain undescribed, this problem is exacerbated in deeper soils, owing to the unique oligotrophic conditions found in the subsurface.
Arogyaswamy, Keshav   +24 more
core   +2 more sources

An intergenic non-coding rRNA correlated with expression of the rRNA and frequency of an rRNA single nucleotide polymorphism in lung cancer cells.

open access: yesPLoS ONE, 2009
BackgroundRibosomal RNA (rRNA) is a central regulator of cell growth and may control cancer development. A cis noncoding rRNA (nc-rRNA) upstream from the 45S rRNA transcription start site has recently been implicated in control of rRNA transcription in ...
Yih-Horng Shiao   +10 more
doaj   +1 more source

Diversity of 23S rRNA genes within individual prokaryotic genomes. [PDF]

open access: yesPLoS ONE, 2009
The concept of ribosomal constraints on rRNA genes is deduced primarily based on the comparison of consensus rRNA sequences between closely related species, but recent advances in whole-genome sequencing allow evaluation of this concept within organisms ...
Anna Pei   +6 more
doaj   +1 more source

The nucleolar protein NOL12 is required for processing of large ribosomal subunit rRNA precursors in Arabidopsis

open access: yesBMC Plant Biology, 2023
Background NOL12 5′-3′ exoribonucleases, conserved among eukaryotes, play important roles in pre-rRNA processing, ribosome assembly and export. The most well-described yeast counterpart, Rrp17, is required for maturation of 5.8 and 25S rRNAs, whereas ...
Monika Zakrzewska-Placzek   +5 more
doaj   +1 more source

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