نتایج جستجو برای: antagonistic peptide

تعداد نتایج: 171088  

Microcin J25 (MccJ25) is a small ribosomally synthesized antimicrobial peptide that is produced by Enterobacteriacea family especially E.coli. The present study focuses on preparation and evaluation of in vitro antimicrobial and biological properties of a new peptide derived from MccJ25. We prepared a MccJ25-derived peptide containing 14 amino acids and a single intra-molecular disulfide bond a...

Journal: :Systems & Control Letters 2016
Thomas Lipp Stephen P. Boyd

In antagonistic control we find an input sequence that maximizes (or at least makes large) an objective that is minimized in typical control. Applications include designing inputs to attack a control system, worst-case analysis of a control system, and security assessment of a control system. The antagonistic control problem is not convex, and so cannot be efficiently solved. We present here a ...

2007
Geoffrey von Maltzahn Dal-Hee Min Yingxin Zhang Ji-Ho Park Todd J. Harris Michael Sailor Sangeeta N. Bhatia

Reversible self-assembly is ubiquitous in Nature. The ability to dynamically control the assembly and disassembly of biomolecular complexes is essential to higher-order biological processes, including the control of intracellular communication, gene expression, and platelet aggregation upon injury. To date, assembly or disassembly of nanoparticles (NPs) has been exploited to improve sensitivity...

Microcin J25 (MccJ25) is a small ribosomally synthesized antimicrobial peptide that is produced by Enterobacteriacea family especially E.coli. The present study focuses on preparation and evaluation of in vitro antimicrobial and biological properties of a new peptide derived from MccJ25. We prepared a MccJ25-derived peptide containing 14 amino acids and a single intra-molecular disulfide bond a...

2015
Jianhui Liu Zixuan Liu Yonglan Zhang Fei Yin

BACKGROUND & OBJECTIVES Amyloid β-peptide (Aβ) has been shown to be responsible for senile plaque formation and cell damage in Alzheimer's disease (AD). This study was aimed to explore the role of natural compound icariin on the aggregation and the cytotoxicity of Aβ in vitro. METHODS Thioflavin T (ThT) fluorescence assay and transmission electron microscopy (TEM) imaging were done to determi...

M. Gozari, M. Rabbaniha, M.S. Mortazavi N. Bahador S. Tamadoni jahromi

The application of new probiotics is a good strategy in the biological control of infectious diseases in aquaculture. Approximately 100 marine actinobacteria isolates were obtained from 10 sediment samples of shrimp farms. Heat treatment of sediment samples resulted in a selective reduction of the non actinobacterial heterotrophic microflora. Starch nitrate agar medium exhibited more efficacy t...

Nafiseh Sadat Naghavi, Neda Ghebleh

The aim of the present study was to isolate cyanobacteria from oil refinery waste water and detection of antagonistic activity of their extracts on four species of pathogenic bacteria. The cyanobacterium was isolated and purified on Blue green algae medium number 11 (BG-11) medium. Methanol and water extracts prepared from the cultured cyanobacterium after 45 days growth on BG-11 medium. The bi...

M. Gozari, M. Rabbaniha, M.S. Mortazavi, N. Bahador, S. Tamadoni jahromi ,

The application of new probiotics is a good strategy in the biological control of infectious diseases in aquaculture. Approximately 100 marine actinobacteria isolates were obtained from 10 sediment samples of shrimp farms. Heat treatment of sediment samples resulted in a selective reduction of the non actinobacterial heterotrophic microflora. Starch nitrate agar medium exhibited more effic...

Journal: :EPRA international journal of research & development 2022

The ESX-1 secretion system of Mycobacterium tuberculosis delivers bacterial virulence factors to host cells during infection. most abundant factor, the ESAT-6/CFP-10 dimer, is targeted for via a C-terminal signal sequence on CFP-10 that recognized by cytosolic ATPase, Rv3871. ATPase component system. ESX locus contains genes encoding conserved machinery components termed EccCb1. these core are ...

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