Results 41 to 50 of about 1,866,190 (292)

Different fates of the chloroplast tufA gene following its transfer to the nucleus in green algae [PDF]

open access: yes, 1990
Previous work suggested that the tufA gene, encoding protein synthesis elongation factor Tu, was transferred from the chloroplast to the nucleus within the green algal lineage giving rise to land plants.
Baldauf, S.L.   +2 more
core   +4 more sources

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Isolation of Yeast DNA Replication Mutants in Permeabilized Cells [PDF]

open access: yes, 1983
A random population of temperature-sensitive mutants was screened by assaying for defects in DNA synthesis in a permeabilized yeast DNA replication system. Twenty mutants defective in in vitro DNA synthesis have been isolated.
Campbell, Judith L.   +2 more
core  

Spatial and temporal cellular responses to single-strand breaks in human cells [PDF]

open access: yes, 2003
DNA single-strand breaks (SSB) are one of the most frequent DNA lesions produced by reactive oxygen species and during DNA metabolism, but the analysis of cellular responses to SSB remains difficult due to the lack of an experimental method to produce ...
Caldecott, Keith W   +4 more
core   +4 more sources

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

A nuclear family A DNA polymerase from Entamoeba histolytica bypasses thymine glycol. [PDF]

open access: yesPLoS Neglected Tropical Diseases, 2010
BACKGROUND: Eukaryotic family A DNA polymerases are involved in mitochondrial DNA replication or translesion DNA synthesis. Here, we present evidence that the sole family A DNA polymerase from the parasite protozoan E.
Guillermo Pastor-Palacios   +2 more
doaj   +1 more source

A requirement for PARP-1 for the assembly or stability of XRCC1 nuclear foci at sites of oxidative DNA damage [PDF]

open access: yes, 2003
The molecular role of poly (ADP-ribose) polymerase-1 in DNA repair is unclear. Here, we show that the single-strand break repair protein XRCC1 is rapidly assembled into discrete nuclear foci after oxidative DNA damage at sites of poly (ADP-ribose ...
Caldecott, Keith W.   +3 more
core   +2 more sources

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

A New Direct Single-Molecule Observation Method for DNA Synthesis Reaction Using Fluorescent Replication Protein A

open access: yesSensors, 2014
Using a single-stranded region tracing system, single-molecule DNA synthesis reactions were directly observed in microflow channels. The direct single-molecule observations of DNA synthesis were labeled with a fusion protein consisting of the ssDNA ...
Shunsuke Takahashi   +8 more
doaj   +1 more source

The process of infection with bacteriophage phiX174, XXII. Synthesis of progeny single-stranded DNA [PDF]

open access: yes, 1968
In a previous article,(1) it was demonstrated that of the labeled thymidine incorporated into the replicative form (RF) of phiX-DNA during the period of RF replication (3-12 or 15 min after infection), approximately half was transferred to virus during ...
Knippers, Rolf   +2 more
core  

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