Antibacterial peptides were isolated from immune haemolymph of Rhinoceros beetle (Oryctes rhinoceros L.) larvae and evaluated for antibacterial activity against bacterial pathogens, viz., Klebsiella pneumoniae, Micrococcus luteus, Bacillus subtilis, Paenebacillus macerans and Pseudomonas sp. The peptides were found to be stable upto 37°C and antibacterial activity observed at pH 7.0. The peptid...

The alkaloids from the ethanolic extract of H. antidysenterica seeds were evaluated for their antibacterial activity against clinical isolates of enteropathogenic Escherichia coli (EPEC) in vitro, and their antidiarrhoeal activity on castor oil-induced diarrhoea in rats, in vivo. The plasmid DNA, whole cell lysate and outer membrane protein profile of a clinical isolate of EPEC was determined i...

Effective biological control of destructive heliothine larvae via application of microbial entomopathogens or parasitoids is limited by a robust immune response against infection and parasitization. To better understand the immune response of budworms against microbial entomopathogens, several orthologs of antibacterial response proteins were identified and extracted from a tobacco budworm, Hel...

ABSTRACT Background Antibiotic resistance makes antimicrobial peptides (AMPs) agents an alternative for treatment of pathogenic diseases. They are isolated from various animals invertebrates, vertebrates and plants. The present study shows the electrophoretic pattern of protein and peptides from Vicia Faba seed and reports our first attempt to study the antibacterial activity of Vicia faba...

The insect baculovirus expression vector system (BEVS) is useful for the production of biologically active recombinant proteins. However, the overexpression of foreign proteins in this system often results in misfolded proteins and the formation of protein aggregates. To overcome this limitation, we have developed a versatile baculovirus expression and secretion system using the Bombyx mori pro...

Antibacterial activity of lactoperoxidase (LP)-thiocyanate (SCN)-hydrogen peroxide (H2O2) on Streptococcus agalactiae requires that the three reactants must be in contact with the cells simultaneously. Small but assayable amounts of LP adsorb to the cell surface and are not removed by washing. A diffusible antibacterial product of LP-SCN-H2O2 reaction was not found under our experimental condit...

Chemical and cellular characteristics of fluid within subcutaneously implanted polyethylene chambers in rabbits were studied over a 3-month period. The fluid attained a relatively stable protein and cellular composition which was consistent with a mononuclear exudate. After a single dose of intramuscular penicillin G, the antibacterial activity of chamber fluid was found to be dynamic and simil...

Abstract Collagen is a long-chain protein compound composed of the amino acids alanine, arginine, lysine, glycine, proline, and hiroxyproline from fishery waste, like fish skin. This Research aims to determine physical chemical characteristics as well antibacterial activity solid soap with addition tuna skin collagen uses an experimental method (experimental) several treatments adding collagen....

To obtain high quality final products, biomolecules can be exposed in production lines to stress factors such as heating, stirring and multiple surfaces contact before their commercialization. These induce stability efficacy loss. In this work, the antibacterial activity of lysozyme (LSZ), a protein used antibiotic which acts by disrupting bacterial cell wall, was studied after two operations: ...