نتایج جستجو برای: lytic enzymes
تعداد نتایج: 136072 فیلتر نتایج به سال:
Bacteriophages (phages) typically exhibit a narrow host range, yet they tremendously impact horizontal gene transfer (HGT). Here, we investigate phage dynamics in communities harboring phage-resistant (R) and sensitive (S) bacteria, a common scenario in nature. Using Bacillus subtilis and its lytic phage SPP1, we demonstrate that R cells, lacking SPP1 receptor, can be lysed by SPP1 when co-cult...
A family of 11 lytic transglycosylases in Pseudomonas aeruginosa, an opportunistic human pathogen, turn over the polymeric bacterial cell wall in the course of its recycling, repair, and maturation. The functions of these enzymes are not fully understood. We disclose herein that SltB3 of P. aeruginosa is an exolytic lytic transglycosylase. We characterize its reaction and its products by the us...
Bacteriophage PRD1 encodes two proteins (P7 and P15) that are associated with a muralytic activity. Protein P15 is a soluble beta-1,4-N-acetylmuramidase that causes phage-induced host cell lysis. We demonstrate here that P15 is also a structural component of the PRD1 virion and that it is connected to the phage membrane. Small viral membrane proteins P20 and P22 modulate incorporation of P15 in...
Endolysins are lytic enzymes encoded by bacteriophage that represent an emerging class of protein therapeutics. Considering macromolecular thermoresistance correlates with shelf life, PlyG, a Bacillus anthracis endolysin, was thermally characterized to further evaluate its therapeutic potential. Results from a biophysical thermal analysis revealed full-length PlyG and its isolated domains compr...
Recently, eight lytic small isometric-headed bacteriophages were isolated from cheese-manufacturing plants throughout North America. The eight phages were different, but all propagated on one strain, Lactococcus lactis NCK203. On the basis of DNA homology, they were classified in the P335 species. Digestion of their genomes in vitro with restriction enzymes resulted in an unusually high number ...
The enzymatic conversion of plant biomass has been recently revolutionized by the discovery of lytic polysaccharide monooxygenases (LPMOs) that carry out oxidative cleavage of polysaccharides. These very powerful enzymes are abundant in fungal saprotrophs. LPMOs require activation by electrons that can be provided by cellobiose dehydrogenases (CDHs), but as some fungi lack CDH-encoding genes, o...
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