Results 251 to 260 of about 223,842 (291)

Biomass‐derived hydrochars as eco‐friendly adsorbents for wastewater treatment applications

Environmental Progress &Sustainable Energy, EarlyView.
Abstract Emerging organic pollutants (EOPs), such as diethyl phthalate (DEP), bisphenol A (BPA), and methylene blue (MB), are only partially removed in conventional wastewater treatment plants. This study assesses hydrochars produced by hydrothermal carbonization (HTC) of spruce bark (SB), vine shoots (VSs), and wheat straw (WSs) for removing three ...
Emanuel Gheorghita Armanu, Sara Ribeirinho‐Soares, Christian Eberlein, Hermann J. Heipieper, Irina Volf, Olga C. Nunes, Olívia Salomé G. P. Soares   +6 more
wiley   +1 more source

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RNase MRP and rRNA processing

Molecular Biology Reports, 1996
RNase MRP is a ribonucleoprotein enzyme with a structure similar to RNase P. It is required for normal processing of precursor rRNA, cleaving it in the Internal Transcribed Spacer 1.
Lasse Lindahl
exaly   +3 more sources

Duration of the first steps of the human rRNA processing [PDF]

Nucleus, 2013
Processing of rRNA in mammalian cells includes a series of cleavages of the primary 47S transcript and results in producing three rRNAs: 18S, 28S and 5.8S. The sequence of the main processing events in human cells has been established, but little is yet known about the dynamics of this process, especially the dynamics of its early stages.
Evgeny Smirnov, Otakar Raska, Ivan Raška   +2 more
exaly   +3 more sources

Nop53p interacts with 5.8S rRNA co‐transcriptionally, and regulates processing of pre‐rRNA by the exosome [PDF]

FEBS Journal, 2008
In eukaryotes, pre‐rRNA processing depends on a large number of nonribosomal trans‐acting factors that form intriguingly organized complexes. One of the early stages of pre‐rRNA processing includes formation of the two intermediate complexes pre‐40S and pre‐60S, which then form the mature ribosome subunits. Each of these complexes contains specific pre‐
Glaucia Maria Machado-Santelli, Carla C Oliveira   +1 more
exaly   +3 more sources

Modelling Yeast Pre-rRNA Processing

2007
In this paper we present a quantified model concerning the synthesis of pre-rRNAs. The chemical kinetics simulation software Dizzy has been chosen as both the modelling and simulation framework of our study. We discuss the validation of the model against the available experimental data and we show some preliminary results obtained from the study of our
Federica Ciocchetta, Jane Hillston, Martin Kos, David Tollervey   +3 more
openaire   +1 more source

Recovering rRNA processing after heat shock

Science Signaling, 2017
NF-κB repressing factor controls localization and activation of an rRNA processing protein in heat stress response.
openaire   +2 more sources

Upstream binding factor-dependent and pre-rRNA transcription-independent association of pre-rRNA processing factors with rRNA gene

Biochemical and Biophysical Research Communications, 2014
The nucleolus is the ribosome biogenesis center. The nucleolar structure is disrupted upon entry into mitosis and is formed in early G1 phase. To understand the molecular mechanisms of nucleolar assembly and disassembly, we have studied the mechanism of association between factors involved in pre-ribosome RNA (rRNA) processing and rRNA gene chromatin ...
Shuhei, Ueshima, Kyosuke, Nagata, Mitsuru, Okuwaki   +2 more
openaire   +2 more sources

Gene heterogeneity: a basis for alternative 5.8S rRNA processing

Biochemistry, 1984
Two bands of 5.8S rRNA were observed when the total RNA isolated from rat or mouse tissue was separated by electrophoresis on high-resolution polyacrylamide gels under denaturing conditions. The minor form, with a lower mobility, represented 15-35% of the total 5.8S rRNA, depending on the source of the tissue.
S D, Smith, N, Banerjee, T O, Sitz
openaire   +2 more sources

Expression of mouse and frog rRNA genes: transcription and processing

Molecular and Cellular Biochemistry, 1991
This article summarizes a number of lines of investigation of rRNA gene expression that are ongoing in the laboratory. These studies focus on mouse and frog, two distant vertebrate species. One major conclusion is that the basic properties of rRNA gene expression appear remarkably well conserved in evolution, with only relatively minor perturbations ...
B, Sollner-Webb, L, Pape, K, Ryan, E B, Mougey, R, Poretta, E, Nikolov, M H, Paalman, I, Lazdins, C, Martin   +8 more
openaire   +2 more sources

Characterization of a crucifer plant pre-rRNA processing complex

Biochemical Society Transactions, 2004
In cruciferous plants, the primary pre-rRNA cleavage site (P site) is immediately downstream of four similar, highly conserved sequences (A1, A2, A3 and B) located within the 5′-ETS (5′-external transcribed spacer). In the present study, we describe the characterization of a plant NF D (nuclear factor D) that binds and interacts specifically with this ...
J, Sáez-Vasquez, D, Caparros-Ruiz, F, Barneche, M, Echeverría   +3 more
openaire   +2 more sources