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Advancing Research on Biomaterials and Biological Materials with Scanning Electron Microscopy under Environmental and Low Vacuum Conditions

Advanced Engineering Materials, EarlyView.
Herein, environmental scanning electron microscopy (ESEM) is discussed as a powerful extension of conventional SEM for life sciences. By combining high‐resolution imaging with variable pressure and humidity, ESEM allows the analysis of untreated biological materials, supports in situ monitoring of hydration‐driven changes, and advances the functional ...
Jendrian Riedel, Lea Dierker, Antoine Eyram Kwame, Kim Nora Wagner, Jonas J. Unterholzner, Jan‐Henning Dirks, Dorothea Brüggemann   +6 more
wiley   +1 more source

CTF18 interacts with replication protein A in response to replication stress

CTF18 interacts with replication protein A in response to replication stress
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Replication Protein A (RPA): The Eukaryotic SSB

Critical Reviews in Biochemistry and Molecular Biology, 1999
Replication protein A (RPA) is a heterotrimeric single-stranded DNA-binding protein that is highly conserved in eukaryotes. RPA plays essential roles in many aspects of nucleic acid metabolism, including DNA replication, nucleotide excision repair, and homologous recombination.
C, Iftode, Y, Daniely, J A, Borowiec
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The Structure and Function of Replication Protein A in DNA Replication

2012
In all organisms from bacteria and archaea to eukarya, single-stranded DNA binding proteins play an essential role in most, if not all, nuclear metabolism involving single-stranded DNA (ssDNA). Replication protein A (RPA), the major eukaryotic ssDNA binding protein, has two important roles in DNA metabolism: (1) in binding ssDNA to protect it and to ...
Aishwarya, Prakash, Gloria E O, Borgstahl   +1 more
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Functional Assays for Replication Protein A (RPA)

2006
Replication protein A (RPA) is a heterotrimeric, single-stranded DNA-binding protein. RPA is conserved in all eukaryotes and is essential for DNA replication, DNA repair, and recombination. RPA also plays a role in coordinating DNA metabolism and the cellular response to DNA damage. Assays have been established for many of these reactions. This chapter
Sara K, Binz, Anne M, Dickson, Stuart J, Haring, Marc S, Wold   +3 more
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Replication Protein A as a Potential Regulator of DNA Replication in Cells Exposed to Hyperthermia

Radiation Research, 1998
It is well known that exposure of cells to heat leads to a drastic inhibition of DNA synthesis as assayed in vivo by the incorporation of radioactive precursors into acid-insoluble material. Here we introduce an SV40 in vitro DNA replication assay and show that this inhibition may be partly due to the activation of a checkpoint in S phase that stalls ...
Y, Wang, A R, Perrault, G, Iliakis
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Induction of Replication Protein A in Bystander Cells

Radiation Research, 2004
The bystander effect is a biological phenomenon whereby cells not directly targeted by DNA-damaging agents elicit a response similar to that of targeted cells. Understanding the mechanisms underlying the bystander effect is important not only for radiation risk assessment but also for evaluation of protocols for radiotherapy of tumors.
Adayabalam S, Balajee, Brian, Ponnaiya, Rajamanickam, Baskar, Charles R, Geard   +3 more
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Interactions of human replication protein A with oligonucleotides

Biochemistry, 1994
Replication protein A (RPA) is a heterotrimeric, single-stranded DNA binding protein that is essential for eukaryotic DNA replication. In order to gain a better understanding of the interactions between RPA and DNA, we have examined the interactions of human RPA with single-stranded oligonucleotides.
Kim, Changsoo, Paulus, Brian F., Wold, Marc S.   +2 more
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Protein-DNA interactions at a yeast replication origin

Nature, 1992
An understanding of the protein-DNA interactions in vivo at origins of DNA replication in eukaryotes is essential to delineate the mechanism of initiation of DNA synthesis and its control in the cell cycle. In the yeast Saccharomyces cerevisiae, a family of sequences known as autonomously replicating sequences (ARSs) function as origins of ...
J F, Diffley, J H, Cocker
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Co‐operative autoregulation of a replication protein gene

Molecular Microbiology, 1991
SummaryIn this work we present the localization and characterization of the repi promoter (Prepl) and show aspects of the regulation. Comparison of Prepl with other autoregulated replication protein gene promoters revealed similarities, but Prepl differs from some of these characterized promoters in not being regulated by the heat‐shock RNA polymerase.
A E, Gammie, J H, Crosa
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