Results 1 to 10 of about 279,378 (380)

Plant-RRBS, a bisulfite and next-generation sequencing-based methylome profiling method enriching for coverage of cytosine positions [PDF]

open access: yesBMC Plant Biology, 2017
Background Cytosine methylation in plant genomes is important for the regulation of gene transcription and transposon activity. Genome-wide methylomes are studied upon mutation of the DNA methyltransferases, adaptation to environmental stresses or during
Martin Schmidt   +7 more
doaj   +5 more sources

Occurrence, Properties, Applications and Analytics of Cytosine and Its Derivatives [PDF]

open access: yesMolecules
Cytosine and its derivatives are an important research topic in the fields of bioorganic chemistry, molecular biology and medicine due to their key role in the structure and function of nucleic acids.
Mariusz Kluska   +3 more
doaj   +2 more sources

A radioimmunoassay for cytosine arabinoside [PDF]

open access: greenBritish Journal of Cancer, 1979
A radioimmunoassay (RIA) for cytosine arabinoside (AraC) has been developed using antiserum raised in a sheep to an AraC monophosphate-ovalbumin conjugate. The antibody shows only 0.008% cross-reactivity with uracil arabinoside (AraU) and low (0.023%) cross-reactivity with other commonly co-administered drugs such as cytotoxic and antibacterial agents,
E. M. Piall, G. Wynne Aherne, V. Marks
openalex   +4 more sources

Multiple CAR-T cell therapy for acute B-cell lymphoblastic leukemia after hematopoietic stem cell transplantation: A case report

open access: yesFrontiers in Immunology, 2022
B-cell acute lymphoblastic leukemia (B-ALL) is the most common childhood malignancy. The cure rate has reached 90% after conventional chemotherapy and hematopoietic stem cell transplantation (HSCT), but the prognosis of patients with relapsed and ...
Lei Deng   +10 more
doaj   +1 more source

N-4 Alkyl Cytosine Derivatives Synthesis: A New Approach

open access: yesReactions, 2022
The selective N-4 alkylation of cytosine plays a critical role in the synthesis of biologically active molecules. This work focuses on the development of practical reaction conditions toward a regioselective synthesis of N-4-alkyl cytosine derivatives ...
Mauro De Nisco   +7 more
doaj   +1 more source

Characteristics and efficacy of cytosine and cytidine deaminase [PDF]

open access: yesمجلة التربية والعلم, 2007
The study concerned with determination of some properties of cytosine deaminase activity in serum and erythrocytes haemolysate in normal human individuals, by spectral method.
Qusay Chalabi, Zahraa Hammodat
doaj   +1 more source

Interaction of Thymine DNA Glycosylase with Oxidised 5-Methyl-cytosines in Their Amino- and Imino-Forms

open access: yesMolecules, 2021
Thymine DNA Glycosylase (TDG) is an enzyme of the base excision repair mechanism and removes damaged or mispaired bases from DNA via hydrolysis of the glycosidic bond. Specificity is of high importance for such a glycosylase, so as to avoid the damage of
Senta Volkenandt   +2 more
doaj   +1 more source

Adsorption of Nucleic Acid Bases, Ribose, and Phosphate by Some Clay Minerals

open access: yesLife, 2015
Besides having a large capacity for taking up organic molecules, clay minerals can catalyze a variety of organic reactions. Derived from rock weathering, clay minerals would have been abundant in the early Earth. As such, they might be expected to play a
Hideo Hashizume
doaj   +1 more source

Internuclear gene silencing in Phytophthora infestans is established through chromatin remodelling [PDF]

open access: yes, 2008
In the plant pathogen Phytophthora infestans, nuclear integration of inf1 transgenic DNA sequences results in internuclear gene silencing of inf1. Although silencing is regulated at the transcriptional level, it also affects transcription from other ...
Appiah, A.A.   +7 more
core   +7 more sources

Simultaneous Determination of Four DNA bases at Graphene Oxide/Multi-Walled Carbon Nanotube Nanocomposite-Modified Electrode

open access: yesMicromachines, 2020
In this study, we developed a modified glassy carbon electrode (GCE) with graphene oxide, multi-walled carbon nanotube hybrid nanocomposite in chitosan (GCE/GO-MWCNT-CHT) to achieve simultaneous detection of four nucleobases (i.e., guanine (G), adenine ...
Shuting Wang   +3 more
doaj   +1 more source

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