Results 31 to 40 of about 8,420 (205)

Human rDNA and Cancer

open access: yesCells, 2021
In human cells, each rDNA unit consists of the ~13 kb long ribosomal part and ~30 kb long intergenic spacer (IGS). The ribosomal part, transcribed by RNA polymerase I (pol I), includes genes coding for 18S, 5.8S, and 28S RNAs of the ribosomal particles ...
Evgeny Smirnov   +2 more
doaj   +1 more source

A New Specific and Sensitive RT-qPCR Method Based on Splinted 5′ Ligation for the Quantitative Detection of RNA Species Shorter than microRNAs

open access: yesNon-Coding RNA, 2021
Recently, we discovered a new family of unusually short RNAs mapping to 5.8S ribosomal RNA (rRNA) and which we named dodecaRNAs (doRNAs), according to the number of core nucleotides (12 nt) their members contain.
Marine Lambert   +2 more
doaj   +1 more source

The sequence of the 5.8 S ribosomal RNA of the crustaceanArtemia salina. With a proposal for a general secondary structure model for 5.8 S ribosomal RNA [PDF]

open access: yesNucleic Acids Research, 1982
We report the primary structure of 5.8 S rRNA from the crustacean Artemia salina. The preparation shows length heterogeneity at the 5'-terminus, but consists of uninterrupted RNA chains, in contrast to some insect 5.8 S rRNAs, which consist of two chains of unequal length separated in the gene by a short spacer.
Antoon Vandenberghe   +2 more
openaire   +3 more sources

Morpho-phylogenetic analyses of two novel edible mushrooms from China and a mini review of Lyophyllum (Agaricales, Lyophyllaceae) cultivation and bioactivities [PDF]

open access: yesMycoKeys
Lyophyllum plays an important role in the natural ecosystem and has significant economic value. Some species of this genus have been cultivated in Asia, America, and Europe.
Song-Ming Tang   +8 more
doaj   +3 more sources

USE OF SEQUENCING METHODS FOR SPECIES IDENTIFICATION EXEMPLIFIED BY PHYLOGENETIC RELATIONSHIPS WITHIN GENUS HEDYSARUM L.

open access: yesФармация и фармакология (Пятигорск), 2021
At the moment, a relevant objective in pharmacognosy, is the use of all kinds of the DNA analysis methods for identifying plant materials, detecting counterfeits, genetically modified crops and products.The aim of the research is to study the possibility
D. R. Imachueva   +3 more
doaj   +1 more source

Karyotyping and in situ chromosomal localization of rDNA sites in black cumin Bunium persicum (Boiss) B. Fedtsch,1915 (Apiaceae)

open access: yesComparative Cytogenetics, 2011
The fluorescent in situ hybridization (FISH) technique has been applied to somatic chromosomes in the medicinally important species, Bunium persicum, to elucidate its karyotypes.
R. K. Chahota   +4 more
doaj   +1 more source

A search for markers of sugarcane evolution

open access: yesGenetics and Molecular Biology, 2001
To determine the phylogenetic relationship between sugarcane cultivars and other members of the Saccharinae subtribe, we identified the fast evolving ITS1-5.8S-ITS2 (ITS = internal transcribed spacer; 5.8S = 5.8S ribosomal DNA) region of the sugarcane ...
M. Bacci Jr.   +6 more
doaj   +1 more source

1A6/DRIM, a novel t-UTP, activates RNA polymerase I transcription and promotes cell proliferation. [PDF]

open access: yesPLoS ONE, 2010
Ribosome biogenesis is required for protein synthesis and cell proliferation. Ribosome subunits are assembled in the nucleolus following transcription of a 47S ribosome RNA precursor by RNA polymerase I and rRNA processing to produce mature 18S, 28S and ...
Qunhui Peng   +7 more
doaj   +1 more source

PWP1 promotes nutrient-responsive expression of 5S ribosomal RNA

open access: yesBiology Open, 2018
PWP1 is a chromatin binding protein with an important role in animal growth control downstream of mTOR-mediated nutrient sensing. PWP1 has been shown to control tissue growth by promoting the transcription of 5.8S, 18S and 28S ribosomal RNAs (rRNAs) by ...
Ying Liu   +3 more
doaj   +1 more source

Redescription, complete mitochondrial genome and phylogenetic relationships of Hexostoma thynni (Delaroche, 1811) Rafinesque, 1815 (Monogenea, Hexostomatidae)

open access: yesParasite, 2022
Specimens of Hexostoma thynni (Delaroche, 1811) Rafinesque, 1815 were collected from their type-host, the bluefin tuna Thunnus thynnus, caught off Algeria, i.e. close to the type-locality, off Mallorca, which is also in the Mediterranean.
Ayadi Zouhour El Mouna   +3 more
doaj   +1 more source

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