Results 21 to 30 of about 150,690 (307)

BRCA1 binds TERRA RNA and suppresses R-Loop-based telomeric DNA damage

open access: yesNature Communications, 2021
R-loop structures act as modulators of physiological processes such as transcription termination, gene regulation, and DNA repair. However, they can cause transcription-replication conflicts and give rise to genomic instability, particularly at telomeres,
Jekaterina Vohhodina   +12 more
semanticscholar   +1 more source

TERRA regulates DNA G-quadruplex formation and ATRX recruitment to chromatin

open access: yesNucleic Acids Research, 2022
The genome consists of non-B-DNA structures such as G-quadruplexes (G4) that are involved in the regulation of genome stability and transcription. Telomeric-repeat containing RNA (TERRA) is capable of folding into G-quadruplex and interacting with ...
Ru-Xuan Tsai   +8 more
semanticscholar   +1 more source

Expression of Cellular and Extracellular TERRA, TERC and TERT in Hepatocellular Carcinoma

open access: yesInternational Journal of Molecular Sciences, 2022
Non-coding RNAs are transcribed from telomeres and the telomeric repeat-containing RNAs (TERRA) are implicated in telomere homeostasis and in cancer.
M. Manganelli   +9 more
semanticscholar   +1 more source

The makings of TERRA R-loops at chromosome ends

open access: yesCell Cycle, 2021
Telomeres protect chromosome ends from nucleolytic degradation, uncontrolled recombination by DNA repair enzymes and checkpoint signaling, and they provide mechanisms for their maintenance by semiconservative DNA replication, telomerase and homologous ...
R. Fernandes   +2 more
semanticscholar   +1 more source

Microplastic accumulation in benthic invertebrates in Terra Nova Bay (Ross Sea, Antarctica).

open access: yesEnvironment International, 2020
Microplastic contamination of the benthic invertebrate fauna in Terra Nova Bay (Ross Sea, Antarctica) was determined. Twelve macrobenthic species, characterized by different feeding strategies, were selected at 3 sampling sites at increasing distance ...
A. Sfriso   +9 more
semanticscholar   +1 more source

Telomeric Repeat-Containing RNA (TERRA): A Review of the Literature and First Assessment in Cutaneous T-Cell Lymphomas

open access: yesGenes, 2022
Telomeric Repeat-containing RNA (TERRA) are long non-coding RNAs transcribed from telomeric DNA sequences from multiple chromosome ends. Major research efforts have been made to understand TERRA roles and functions in several physiological and ...
A. Chebly   +9 more
semanticscholar   +1 more source

Germinação de sementes de Ipê-Branco (Tabebuia roseo-alba) em diferentes substratos.

open access: yesOrnamental Horticulture, 2007
A germinação de sementes é uma das fases críticas para o estabelecimento das plantas em condições naturais. Fisiologicamente, a germinação inicia-se com a embebição de água pela semente, seguida da retomada do crescimento do embrião quiescente e ...
Letícia Caravita Abbade   +2 more
doaj   +1 more source

Direito à cidade e direitos à/da natureza: uma nova perspectiva desde a Agricultura Urbana

open access: yesarq.urb, 2023
Este artigo tem como objetivo trazer uma reflexão sobre uma nova perspectiva de direito à cidade, que ressignifique e recomponha a relação entre humanidade e natureza, de modo a contribuir para a superação da atual crise civilizatória.
Pedro Portugal Sorrentino   +1 more
doaj   +1 more source

Terra, cuina i identitat

open access: yesEstudis d'Història Agraria, 2021
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Jesús Contreras
doaj   +1 more source

História da comunidade quilombola de Olaria (Irará/ Bahia) e a luta pela terra na contemporaneidade

open access: yesRevista de Ciências Humanas, 2010
Este artigo enfatiza as trajetórias sociais dos sujeitos que habitam na comunidade quilombola de Olaria, em Irará-Bahia. Destaca-se como ocorreu a origem quilombos na organização do espaço regional, que se formou através do projeto de colonização do ...
Jucélia Bispo dos Santos
doaj   +1 more source

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