Results 41 to 50 of about 218,333 (309)

Integrative analysis reveals RNA G-quadruplexes in UTRs are selectively constrained and enriched for functional associations

open access: yesNature Communications, 2020
G-quadruplexes (G4s) are secondary structures that can form in both DNA and RNA from guanine-rich sequences which are enriched in untranslated regions (UTRs). Here, Lee et al.
David S. M. Lee   +2 more
doaj   +1 more source

The 5 ' untranslated region of protein kinase C delta directs translation by an internal ribosome entry segment that is most active in densely growing cells and during apoptosis. [PDF]

open access: yes, 2002
Protein kinase Cdelta (PKCdelta) is a member of the PKC family of phospholipid-dependent serine/threonine kinases and is involved in cell proliferation, apoptosis, and differentiation.
Morrish, B.C., Rumsby, M.G.
core   +2 more sources

Tunable protein synthesis by transcript isoforms in human cells

open access: yeseLife, 2016
Eukaryotic genes generate multiple RNA transcript isoforms though alternative transcription, splicing, and polyadenylation. However, the relationship between human transcript diversity and protein production is complex as each isoform can be translated ...
Stephen N Floor, Jennifer A Doudna
doaj   +1 more source

Transcription termination and antitermination of bacterial CRISPR arrays

open access: yeseLife, 2020
A hallmark of CRISPR-Cas immunity systems is the CRISPR array, a genomic locus consisting of short, repeated sequences (‘repeats’) interspersed with short, variable sequences (‘spacers’). CRISPR arrays are transcribed and processed into individual CRISPR
Anne M Stringer   +4 more
doaj   +1 more source

Improved ontology for eukaryotic single-exon coding sequences in biological databases [PDF]

open access: yes, 2018
Indexación: Scopus.Efficient extraction of knowledge from biological data requires the development of structured vocabularies to unambiguously define biological terms. This paper proposes descriptions and definitions to disambiguate the term 'single-exon
Clausen, P.   +4 more
core   +2 more sources

Keratinocyte differentiation-dependent human papillomavirus gene regulation [PDF]

open access: yes, 2017
Human papillomaviruses (HPVs) cause diseases ranging from benign warts to invasive cancers. HPVs infect epithelial cells and their replication cycle is tightly linked with the differentiation process of the infected keratinocyte.
Graham, Sheila V.
core   +1 more source

Developmental mRNA clearance by PIWI-bound endo-siRNAs in Paramecium

open access: yesCell Reports, 2023
Summary: The clearance of untranslated mRNAs by Argonaute proteins is essential for embryonic development in metazoans. However, it is currently unknown whether similar processes exist in unicellular eukaryotes. The ciliate Paramecium tetraurelia harbors
Therese Solberg   +3 more
doaj   +1 more source

Protonatable Hairpins Are Conserved in the 5'-Untranslated Region of Tymovirus RNAs [PDF]

open access: yesNucleic Acids Research, 1996
The secondary structures of the 5'-untranslated region (5'-UTR) of five different tymoviruses have been determined by structure probing, computer prediction and sequence comparison. Despite large sequence differences, there are remarkable similarities in the secondary structure.
Hellendoorn, K.   +3 more
openaire   +4 more sources

THE CELLULAR RECEPTOR (CD4) OF THE HUMAN IMMUNODEFICIENCY VIRUS IS EXPRESSED ON NEURONS AND GLIAL CELLS IN HUMAN BRAIN [PDF]

open access: yes, 1987
The peculiar tropism of the human immunodeficiency virus (HIV) for T helper lymphocytes can be explained by a specific interaction between the virus and the CD4 molecule on these cells (1, 2).
Funke, Ilona   +4 more
core   +1 more source

A Small Regulatory RNA Generated from the malK 5′ Untranslated Region Targets Gluconeogenesis in Vibrio Species

open access: yesmSphere, 2021
Juvenile pacific oysters have been subject in recent years to summer mortality episodes with deep economic consequences.
Xing Luo   +3 more
doaj   +1 more source

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