Results 51 to 60 of about 2,699,979 (303)

Encoding quantized fluorescence states with fractal DNA frameworks

Nature Communications, 2020
Though DNA framework-based scaffolds for biomolecular assembly are attractive for bioimaging applications, realizing super-multiplex fluorescent amplifiers remains a challenge.
Jiang Li, Jiangbing Dai, Shuoxing Jiang, Mo Xie, Tingting Zhai, Linjie Guo, Shuting Cao, Shu Xing, Zhibei Qu, Yan Zhao, Fei Wang, Yang Yang, Lei Liu, Xiaolei Zuo, Lihua Wang, Hao Yan, Chunhai Fan   +16 more
doaj   +1 more source

DNA sequence encodes the position of DNA supercoils

eLife, 2018
The three-dimensional organization of DNA is increasingly understood to play a decisive role in vital cellular processes. Many studies focus on the role of DNA-packaging proteins, crowding, and confinement in arranging chromatin, but structural information might also be directly encoded in bare DNA itself.
Kim, S., Ganji, M., Kim, E., Kim, E. ; https://orcid.org/0000-0002-1759-6360, van der Torre, J., Abbondanzieri, E., Dekker, C.   +6 more
openaire   +8 more sources

Functional comparison of EncB and EncC cargo proteins in iron storage within the Myxococcus xanthus encapsulin

FEBS Letters, EarlyView.
Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell, Thomas Walther, Egbert Hoiczyk   +2 more
wiley   +1 more source

Structural and biochemical analysis of a B12 superbinder

FEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices, Jacob J. Whittaker, Dirk J. Slotboom, Albert Guskov   +3 more
wiley   +1 more source

DNA Encoding Optimisation Based on Thermodynamics

CAAI Transactions on Intelligence Technology
Due to their exceptional programmability, DNA molecules are widely employed in the design of molecular circuits for applications such as DNA computing, DNA storage and cancer diagnosis and treatment.
Xianhang Luo, Kai Zhang, Enqiang Zhu, Jin Xu   +3 more
doaj   +1 more source

Rhomboids of Mycobacteria: characterization using an aarA mutant of Providencia stuartii and gene deletion in Mycobacterium smegmatis.

PLoS ONE, 2012
BackgroundRhomboids are ubiquitous proteins with unknown roles in mycobacteria. However, bioinformatics suggested putative roles in DNA replication pathways and metabolite transport.
David Patrick Kateete, Fred Ashaba Katabazi, Alfred Okeng, Moses Okee, Conrad Musinguzi, Benon Byamugisha Asiimwe, Samuel Kyobe, Jeniffer Asiimwe, W Henry Boom, Moses Lutaakome Joloba   +9 more
doaj   +1 more source

Content-based filter queries on DNA data storage systems

Scientific Reports, 2023
Recent developments in DNA data storage systems have revealed the great potential to store large amounts of data at a very high density with extremely long persistence and low cost.
Alex El-Shaikh, Bernhard Seeger
doaj   +1 more source

Molecular Characterization of the Gene Encoding the DNA Gyrase A Subunit of Streptococcus pneumoniae

, 1998
The gene encoding the DNA gyrase A subunit of Streptococcus pneumoniae was cloned and sequenced. The gyrA gene codes for a protein of 822 amino acids homologous to the gyrase A subunit of eubacteria.
Balas, Delia, Campa, Adela G. de la, Fernández Moreira, Esteban   +2 more
core   +1 more source

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

FEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

Color image encryption algorithm based on chaotic mapping and DNA encoding

Journal of Measurement Science and Instrumentation, 2021
A color image encryption method combining deoxyribonucleic（DNA） encoding and hyperchaotic mapping is proposed to solve the problems of simple structure, low complexit and low security of the existing encryption system for low-dimensional chaotic mapping ...
SHI Ting, GAO Li
doaj