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Z Abi Khattar et al.
Journal of bacteriology, 191(22), 7063-7073 (2009-09-22)
The dlt operon encodes proteins that alanylate teichoic acids, the major components of cell walls of gram-positive bacteria. This generates a net positive charge on bacterial cell walls, repulsing positively charged molecules and conferring resistance to animal and human cationic
Abhaya M Dandekar et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(10), 3721-3725 (2012-02-23)
We postulated that a synergistic combination of two innate immune functions, pathogen surface recognition and lysis, in a protein chimera would lead to a robust class of engineered antimicrobial therapeutics for protection against pathogens. In support of our hypothesis, we
Ulysses W Sallum et al.
Marine biotechnology (New York, N.Y.), 13(1), 56-65 (2010-03-31)
We have previously demonstrated that Yersinia ruckeri resists cecropin B in an inducible manner. In this study, we sought to identify the molecular changes responsible for the inducible cecropin B resistance of Y. ruckeri. Differences in gene expression associated with
Fuxian Yu et al.
Biotechnology letters, 32(5), 669-673 (2010-01-05)
Antibacterial peptides have a broad range of antibacterial properties that makes them highly toxic for expression in Escherichia coli. For prepare an antiserum to detect these peptides, we developed a cecropin B mutant with a green fluorescent protein fusion partner
Seema Joshi et al.
The FEBS journal, 279(20), 3776-3790 (2012-08-14)
Cell selective, naturally occurring, host defence cationic peptides present a good template for the design of novel peptides with the aim of achieving a short length with improved antimicrobial potency and selectivity. A novel, short peptide CS-1a (14 residues) was
S V Oard et al.
Plant cell reports, 25(6), 561-572 (2006-02-04)
Three antimicrobial peptides exhibiting in vitro antifungal activity were expressed in Arabidopsis to compare their in planta activity. Beta-Purothionin, cecropin B, and phor21 were expressed under an endogenous promoter with moderate-level activity and excreted extracellularly. Expression of beta-purothionin rendered the
Radu Anghel et al.
BioMed research international, 2013, 831709-831709 (2013-11-14)
Many studies have highlighted the tumoricidal properties of some natural peptides known to have antimicrobial virtues. Also, the increasingly higher resistance to conventional antibiotics has become a global public health issue, and the need for new antibiotics has stimulated interest
Frank Rasche et al.
FEMS microbiology ecology, 56(2), 219-235 (2006-04-25)
A greenhouse experiment was performed to analyze a potential effect of genetically modified potatoes expressing antibacterial compounds (attacin/cecropin, T4 lysozyme) and their nearly isogenic, nontransformed parental wild types on rhizosphere bacterial communities. To compare plant transformation-related variations with commonly accepted
Ulysses W Sallum et al.
Antimicrobial agents and chemotherapy, 52(9), 3006-3012 (2008-05-14)
Cecropin B is a cationic antimicrobial peptide originally isolated from the diapausing pupae of the giant silk moth, Hylphora cecropia. Cecropin B elicits its antimicrobial effects through disruption of the anionic cell membranes of gram-negative bacteria. Previous work by our
Nayanoori Harikrishna et al.
Journal of vector borne diseases, 49(1), 19-22 (2012-05-16)
In the past 60 years, antibiotics have been critical in the fight against infectious diseases caused by bacteria and other microbes. Development of resistance to the antibiotics is emerging as a major public health issue which has resulted in the
Hai-tao Ren et al.
Zhonghua shao shang za zhi = Zhonghua shaoshang zazhi = Chinese journal of burns, 22(6), 445-447 (2007-04-19)
To investigate the antibacterial effect of a particular antimicrobial peptide Cecropin B(CB) on Pseudomonas aeruginosa infection of wound in mice. Thirty ICR mice were enrolled in the study, and the Pseudomonas aeruginosa infection model was reproduced by excision of the
Pey-Shynan Jan et al.
Applied and environmental microbiology, 76(3), 769-775 (2009-12-08)
The cationic lytic peptide cecropin B (CB), isolated from the giant silk moth (Hyalophora cecropia), has been shown to effectively eliminate Gram-negative and some Gram-positive bacteria. In this study, the effects of chemically synthesized CB on plant pathogens were investigated.
W Hongbiao et al.
The journal of peptide research : official journal of the American Peptide Society, 66(6), 382-386 (2005-12-01)
Ten kinds of hybrid peptides containing the N-terminal residues of cecropin B (CB) and C-terminal of thanatin (TH) were constructed and expressed as gluthathion S-transferase (GST)-fusion proteins. Variants were screened for the better biological activity, which was paralleled with the
Yan Dong et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 35(13), 1660-1665 (2010-09-25)
To transform the antimicrobial peptide fusion gene of cecropin B and rabbit NP-1(CN) into Houttuynia cordata to improve its antimicrobic capability. The fusion gene of CN designed and synthesized artificially was recombined with expression vector pBI121. The recombined vector was
Yu-qing Hao et al.
Chinese medical journal, 118(2), 155-160 (2005-01-26)
Cecropin-XJ belongs to cecropin-B, which is the most potent antibacterial peptide found naturally. The aim of this study was to investigate the effects of cecropin-XJ on growth and adherence of oral cariogenic bacteria. Four oral cariogenic bacteria (Streptococcus mutans, Lactobacillus
Morikazu Imamura et al.
Insect biochemistry and molecular biology, 36(5), 429-434 (2006-05-03)
To analyze cecropin B promoter (P-CecB) activity in vivo, we constructed transgenic silkworms that expressed EGFP under the control of P-CecB using the piggyBac transposable element. Genomic Southern blot analysis of the G1 and G2 generations indicated the stable insertion
Dawei Xu et al.
Colloids and surfaces. B, Biointerfaces, 110, 225-235 (2013-06-05)
Bacteria-related inflammation is a common postoperative complication in orthopedic implantation. In this study, cecropin B (CecB), a cationic peptide, was immobilized onto the surfaces of titanium substrates to improve their cytocompatibility and reduce inflammation responses. Polydopamine film was coated onto
Ju Hyeong Jeon et al.
Biomaterials, 29(26), 3591-3598 (2008-06-03)
Regeneration of bone is driven by the action of numerous biomolecules. However, most osteobiologic devices mainly depend on delivery of a single molecule. The present studies were directed at investigating a polymeric system that enables localized, alternating delivery of two
Charles M Boudreaux et al.
American journal of veterinary research, 66(11), 1922-1930 (2005-12-13)
To express a cecropin B transgene on bovine nasal mucosa and determine the effect on Mannheimia haemolytica serotype 1 (S1) colonization. 27 crossbred beef calves. The antibacterial efficacy of cecropin B against M. haemolytica S1 was first determined by measuring
K Taniai et al.
Insect molecular biology, 15(3), 269-279 (2006-06-08)
We tested 11 Bombyx mori cell lines for induction of cecropin B gene (CecB) expression. After the immune challenge, CecB expression was induced in seven cell lines. A mixture of the cell-free supernatant from the immune-responsive cell lines and lipopolysaccharide
Joon Ha Lee et al.
Insect biochemistry and molecular biology, 37(12), 1338-1347 (2007-10-31)
We verified the efficacy of lipopolysaccharide (LPS) in activating the cecropin B gene (CecB) in an immune-competent Bombyx mori cell line. Strong activation of CecB by the LPSs from Escherichia coli, Pseudomonas aeruginosa, and Salmonella minnesota were completely eliminated after
Chao-chao Luo et al.
Animal biotechnology, 24(1), 66-78 (2013-02-12)
The antibacterial peptide Cecropin B (CB), isolated from the giant silk moth, has been shown to effectively eliminate bacteria. In this study, the effects of transgenic CB on dairy goat mammary epithelial cells (DGMECs) and dairy goat mammary gland were
A Lanois et al.
Applied and environmental microbiology, 77(3), 1009-1020 (2010-12-07)
Photorhabdus luminescens lives in a mutualistic association with entomopathogenic nematodes and is pathogenic for insects. Variants of Photorhabdus frequently arise irreversibly and are studied because they have altered phenotypic traits that are potentially important for the host interaction. VAR* is
J Isoe et al.
Insect molecular biology, 16(1), 83-92 (2007-01-30)
We have developed a novel molecular genetic approach to investigating gene regulation in adult mosquitoes called whole body transfection (WBT). This DNA microinjection method allows for both constitutive and regulated expression of plasmid vectors in the fat body and midgut
Jian-Shan Ye et al.
Journal of biochemistry, 136(2), 255-259 (2004-10-22)
The anticancer activity of anti-bacterial cecropins makes them potentially useful as peptide anti-cancer drugs. We used the cell-attached patch to study the effect of cecropin B (CB; having one hydrophobic and one amphipathic alpha-helix) and its derivative, cecropin B3 (CB3;
P Peter Chiou et al.
Developmental and comparative immunology, 30(9), 797-806 (2005-12-15)
There are increasing evidence of the potential role of antimicrobial peptides in the regulation of immune responses in mammalian species. However, the effects of these peptides in fish have yet to be investigated. In this study, we examined the transcriptional
Luís Moll et al.
Frontiers in microbiology, 12, 753874-753874 (2021-11-26)
Xylella fastidiosa is a plant pathogen that was recently introduced in Europe and is causing havoc to its agriculture. This Gram-negative bacterium invades the host xylem, multiplies, and forms biofilm occluding the vessels and killing its host. In spite of
Zhongyuan Liu et al.
Acta crystallographica. Section F, Structural biology and crystallization communications, 66(Pt 7), 851-853 (2010-07-08)
Cecropin B is a 37-residue cationic antimicrobial peptide derived from the haemolymph of Bombyx mori. The precise mechanism by which cecropins exert their antimicrobial and cytolytic activities is not well understood. Crystals of cecropin B were obtained by the hanging-drop
Henrik Suttmann et al.
BMC urology, 8, 5-5 (2008-03-05)
This study evaluated the cytotoxic and antiproliferative efficacy of two well-characterized members of the Cecropin-family of antimicrobial peptides against bladder tumor cells and benign fibroblasts. The antiproliferative and cytotoxic potential of the Cecropins A and B was quantified by colorimetric
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