Results 91 to 100 of about 8,858 (210)

Mycoplasma agassizii Multilocus Sequence Typing Using Nanopore Sequencing: Insights Into Genetic Diversity and Isolate Characterization

Annals of the New York Academy of Sciences, Volume 1554, Issue 1, Page 153-162, December 2025.
ABSTRACT Mycoplasma agassizii (Mycoplasmopsis agassizii) is a major pathogen responsible for upper respiratory tract disease (URTD) in tortoises, contributing to worldwide population declines. Despite its significance, tools for strain‐level identification and epidemiological tracking remain limited.
Carla Cacciotto, Rosanna Zobba, Manuel Louro, Margarida Alves, Andreia Valença, Rui Patrício, Emanuela Bazzoni, Marco Pittau, Roberta Lecis, Alberto Alberti   +9 more
wiley   +1 more source

Intradural Extramedullary Spinal Cord Metastasis of Breast Cancer in a Male: A Case Report

Cancer Reports, Volume 8, Issue 11, November 2025.
ABSTRACT Introduction Breast cancer in males is rare, accounting for just 0.5% to 1% according to World Health Organization data. This is the first reported case of IESCM from breast cancer in an African male, which makes it noteworthy. Furthermore, unlike previously reported cases in females, this case involved L1–L2 metastasis with sphincter ...
Hadi Mohammed Abdullah, Naa Adzoa Adzeley Boi‐Dsane, George Wepeba, Thomas Dakurah   +3 more
wiley   +1 more source

Dynamic distribution of SeqA protein across the chromosome of Escherichia coli K-12 [PDF]

, 2010
The bacterial SeqA protein binds to hemi-methylated GATC sequences that arise in newly synthesized DNA upon passage of the replication machinery. In Escherichia coli K-12, the single replication origin oriC is a well-characterized target for SeqA, which ...
Stephen J. W. Busby, Nigel P. Dyer, Sascha Ott, Sánchez-Romero, María Antonia, Dyer, NP, Millard, AD, Sanchez-Romero, MA, María Antonia Sánchez-Romero, Busby, Stephen; id_orcid, Ott, S, Grainger, David, Dyer, Nigel, Millard, Andrew D., David C. Grainger, Ott, Sascha, Andrew D. Millard, Busby, S. (Stephen), Grainger, David C.   +17 more
core   +1 more source

Capillary‐Based Physicochemical Characterization of Lipid Nanoparticles

ELECTROPHORESIS, Volume 46, Issue 21, Page 1588-1599, November 2025.
ABSTRACT Lipid nanoparticles (LNPs) are widely used for the delivery of nucleic acid (NAs), most notably in gene therapy and messenger ribonucleic acid (mRNA)‐based vaccines. Understanding their physicochemical properties is essential, yet current analytical approaches often fall short in capturing their complexity.
Evrim Ümit Kuzucu, Valentin Schittny, Jörg Huwyler, Maria Anna Schwarz   +3 more
wiley   +1 more source

Increased Expression of the dnaA Gene Has No Effect on DNA Replication in a dnaA⁺ Strain of Escherichia coli

, 1983
We have constructed a pBR322 plasmid derivative which expresses dnaA protein under the control of the E. coli lac UV5 promotor. Expression of the dnaA protein from the plasmid is inducible by isopropyl-β-D-thiogalactoside. In a dnaA⁺ strain induction has
Holmans, P., Churchward, Gordon, Bremer, Hans   +2 more
core   +1 more source

Multifunctional Hydroxyapatite Coated with Gallium Liquid Metal‐Based Silver Nanoparticles for Infection Prevention and Bone Regeneration

Advanced Functional Materials, Volume 35, Issue 37, September 11, 2025.
A multifunctional hydroxyapatite (HAp) coating integrated with silver‐gallium liquid metal nanoparticles (HAp‐Ag‐GaNPs) exhibits dual antibacterial and osteogenic properties. It effectively inhibits Gram‐positive and Gram‐negative bacteria, including resistant strains, while enhancing bone regeneration.
Ngoc Huu Nguyen, Pengfei Zhang, Fathima Shana Pattar Kadavan, Zhaoning Xu, Tien Thanh Nguyen, Wenshao Li, Manh Tuong Nguyen, Chung Kim Nguyen, Duy Quang Pham, Thi Giang Tuyet Pham, Andrew Hayles, Markos Negash Alemie, Jitraporn Vongsvivut, Vincent Chan, Stephen Peter Kidd, Yunpeng Zhao, Krasimir Vasilev, Vi Khanh Truong   +17 more
wiley   +1 more source

RstA affects the amount of DnaA per cell.

, 2018
(A) The amount of DnaA per cell was decreased in the ΔrstA mutant. Cultures were grown to OD450 = 0.3 in ABTGcasa at 37°C, and then harvested by centrifugation at 4°C.
Xiuli Chen (384084), Cuilan Lv (5518967), Yuan Yao (31223), Rengui Bade (5518970), Yong Ma (381691), Runxiu Zhu (845119)   +5 more
core   +1 more source

Coordination of Polyploid Chromosome Replication with Cell Size and Growth in a Cyanobacterium

mBio, 2019
Homologous chromosome number (ploidy) has diversified among bacteria, archaea, and eukaryotes over evolution. In bacteria, model organisms such as Escherichia coli possess a single chromosome encoding the entire genome during slow growth.
Ryudo Ohbayashi, Ai Nakamachi, Tetsuhiro S. Hatakeyama, Satoru Watanabe, Yu Kanesaki, Taku Chibazakura, Hirofumi Yoshikawa, Shin-ya Miyagishima   +7 more
doaj   +1 more source

Specific binding of DnaA to the DnaA box motif in the cyanobacterium Synechococcus elongatus PCC 7942.

The Journal of general and applied microbiology, 2020
In bacterial DNA replication, the initiator protein DnaA binds to the multiple DnaA box sequences located at oriC to facilitate the unwinding of duplex DNA strands. The cyanobacterium Synechococcus elongatus PCC 7942, which contains multiple chromosomal copies per cell, has DnaA box (like sequences around the oriC region, which is located upstream of ...
Watanabe, Satoru, Saito, Shunsuke, Suezaki, Yasuhiro, Seguchi, Takeshi, Ohbayashi, Ryudo   +4 more
openaire   +2 more sources

Genetic organization of the Vibrio harveyi dnaA gene region and analysis of the function of the V-harveyi DnaA protein in Escherichia coli

, 2002
The Vibrionaceae family is distantly related to Enterobacteriaceae within the group of bacteria possessing the Dam methylase system. We have cloned, sequenced, and analyzed the dnaA gene region of Vibrio harveyi and found that although the organization ...
Olesen, K., Berenstein, Dvora, Olesen, K., Speck, C., Skovgaard, Ole, Berenstein, D., Skovgaard, O., Speck, C.   +7 more
core   +1 more source