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OBJECTIVES The distribution of methicillin-resistant Staphylococcus aureus (MRSA) clones is dynamic and geographically unique. To understand the changing epidemiology of MRSA infections in China, we performed a prospective, multicity surveillance study with molecular typing and phenotypic analysis to determine the association of major prevalent clones with(More)
Characterization of the primary host factors associated with host-virus interaction is critical for understanding how a virus infects its host cell. In this study, a modified virus overlay protein binding assay was developed. Host factors with 34, 43, and 55 kDa proteins, which could interact with EDIII, a cell receptor-binding domain of Dengue virus(More)
Whole genome sequencing of a novel Pseudomonas aeruginosa temperate bacteriophage PaP3 has been completed. The genome contains 45 503 bp with GC content of 52.1%, without more than 100 bp sequence hitting homologue in all sequenced phage genomes. A total of 256 open reading frames (ORFs) are found in the genome, and 71 ORFs are predicated as coding sequence(More)
De novo organogenesis, which gives rise to adventitious roots and shoots, is a type of plant regeneration for survival after wounding. In Arabidopsis (Arabidopsis thaliana), two main cell fate transition steps are required to establish the root primordium during de novo root organogenesis from leaf explants. The first step from regeneration-competent cells(More)
Staphylococcus aureus is a leading cause of bacterial infections in hospitals and communities worldwide. With the development of typing methods, several pandemic clones have been well characterized, including the extensively spreading hospital-associated meticillin-resistant S. aureus (HA-MRSA) clone ST239 and the emerging hypervirulent community-associated(More)
Lung cancer is presently the most commonly diagnosed metastatic tumor and the leading cause of cancer-related deaths worldwide. Moreover, drug resistance occurs frequently in lung cancer patients. There is an urgent need for developing promising anticancer drugs to improve overall survival of patients with lung cancer. In our recent antitumor drug discovery(More)
OBJECTIVES To characterize morphological, physicochemical and genomic features of a novel virulent coliphage which was isolated from an engineered Escherichia coli culture and termed engineered E. coli phage (EEP). METHODS AND RESULTS Electron microscopy revealed that EEP has an icosahedral head (62 nm in diameter) and a long, flexible tail (138 nm in(More)
During infection, bacteria might generate adaptive responses to facilitate their survival and colonization in the host environment. The alarmone guanosine 5'-triphosphate-3'-diphosphate (ppGpp), the levels of which are regulated by the RelA and SpoT enzymes, plays a critical role in mediating bacterial adaptive responses and virulence. However, the(More)
© 2012 Yuan et al., licensee InTech. This is an open access chapter distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Cytocidal Effects of Polyphenolic Compounds,(More)