User profiles for Kazuya Morikawa

Morikawa Kazuya

University of Tsukuba
Verified email at u.tsukuba.ac.jp
Cited by 2848

Whole genome sequence of Staphylococcus saprophyticus reveals the pathogenesis of uncomplicated urinary tract infection

…, H Hirakawa, M Kumano, K Morikawa… - Proceedings of the …, 2005 - National Acad Sciences
Staphylococcus saprophyticus is a uropathogenic Staphylococcus frequently isolated from
young female outpatients presenting with uncomplicated urinary tract infections. We …

Bacterial nucleoid dynamics: oxidative stress response in Staphylococcus aureus

K Morikawa, RL Ohniwa, J Kim, A Maruyama… - Genes to …, 2006 - Wiley Online Library
A single‐molecule‐imaging technique, atomic force microscopy (AFM) was applied to the
analyses of the genome architecture of Staphylococcus aureus. The staphylococcal cells on a …

Horizontal gene transmission of the cfr gene to MRSA and Enterococcus: role of Staphylococcus epidermidis as a reservoir and alternative pathway for the spread of …

…, F Román, J Prieto, K Morikawa - Journal of …, 2016 - academic.oup.com
Objectives Linezolid resistance mediated by the cfr gene represents a global concern due
to its dissemination among multiresistant nosocomial pathogens such as MRSA and …

Conservation of two distinct types of 100 S ribosome in bacteria

…, Y Bessho, A Kitamura, RL Ohniwa, K Morikawa… - Genes to …, 2013 - Wiley Online Library
In bacteria, 70S ribosomes (consisting of 30S and 50S subunits) dimerize to form 100S
ribosomes, which were first discovered in E scherichia coli. Ribosome modulation factor ( RMF ) …

The mammalian ionic environment dictates microbial susceptibility to antimicrobial defense peptides

…, A Peschel, D Kraus, K Morikawa… - The FASEB …, 2006 - Wiley Online Library
Antimicrobial peptides (AMPs) have been shown in animal and human systems to be effective
natural antibiotics. However, it is unclear how they convey protection; they often appear …

[HTML][HTML] Natural transformation allows transfer of SCCmec-mediated methicillin resistance in Staphylococcus aureus biofilms

…, M Higashide, T Msadek, K Morikawa - Nature …, 2022 - nature.com
SCCmec is a large mobile genetic element that includes the mecA gene and confers resistance
to β-lactam antibiotics in methicillin-resistant Staphylococcus aureus (MRSA). There is …

[HTML][HTML] Staphylococcus aureus requires cardiolipin for survival under conditions of high salinity

…, T Ohta, S Saito, H Hayashi, K Morikawa - BMC microbiology, 2011 - Springer
Background The ability of staphylococci to grow in a wide range of salt concentrations is well
documented. In this study, we aimed to clarify the role of cardiolipin (CL) in the adaptation …

[HTML][HTML] Expression of a Cryptic Secondary Sigma Factor Gene Unveils Natural Competence for DNA Transformation in Staphylococcus aureus

K Morikawa, AJ Takemura, Y Inose, M Tsai… - PLoS …, 2012 - journals.plos.org
It has long been a question whether Staphylococcus aureus, a major human pathogen, is
able to develop natural competence for transformation by DNA. We previously showed that a …

Blue light-induced transcription of plastid-encoded psbD gene is mediated by a nuclear-encoded transcription initiation factor, AtSig5

Y Tsunoyama, Y Ishizaki, K Morikawa… - Proceedings of the …, 2004 - National Acad Sciences
Light is one of the most important environmental factors regulating expression of photosynthesis
genes. The plastid psbD gene encoding the photosystem II reaction center protein D2 is …

A new staphylococcal sigma factor in the conserved gene cassette: functional significance and implication for the evolutionary processes

K Morikawa, Y Inose, H Okamura, A Maruyama… - Genes to …, 2003 - Wiley Online Library
Background: Staphylococcus aureus is a major human pathogen and causes a serious hospital
infection due to the acquired multidrug resistance. Unlike the well‐studied bacteria such …