منابع مشابه
Phosphate: the Silent Challenge
Phosphorus (P) is one of the most vital elements for all living organisms which acts as aconstituent of essential biomolecules such as nucleic acids, phospholipids, and phosphosugars,and as a major contributor to almost all metabolic reactions including photosynthesis,respiration, and energy delivery. It is one of the most needed nutrients for plant growth anddevelopment. Despite high levels of...
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Sir, Organisms with acquired metallo-b-lactamases (MBLs) have been identified worldwide in numerous species, including Pseudomonas aeruginosa. VIM and IMP types are the most prevalent MBLs, being encoded by gene cassettes inside class 1 integrons. IMP-13, initially detected in clinical isolates of P. aeruginosa from Italy, has become a widespread carbapenem resistance determinant, being involve...
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The aim of this study was to characterize two metallo-β-lactamases (MBLs)-producing Pseudomonas aeruginosa clinical isolates showing meropenem susceptibility. Antimicrobial susceptibility was assessed by automated testing and Clinical and Laboratory Standards Institute agar dilution method. MBL production was investigated by phenotypic tests. Molecular typing was determined by pulsed field gel ...
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Boundary elements hinder the spread of heterochromatin, yet these sites do not fully account for the preservation of adjacent euchromatin. Histone variant H2A.Z (Htz1 in yeast) replaces conventional H2A in many nucleosomes. Microarray analysis revealed that HTZ1-activated genes cluster near telomeres. The reduced expression of most of these genes in htz1Delta cells was reversed by the deletion ...
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Introduction Recognizing the importance of livestock movements in the spread of contagious diseases, various countries in the world have developed livestock movement databases. Social network analysis techniques have recently been applied to study such databases as this technique has the advantage of allowing the study of the interactions among all pairs of livestock holdings that are formed fo...
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ژورنال
عنوان ژورنال: Nature Medicine
سال: 2020
ISSN: 1078-8956,1546-170X
DOI: 10.1038/s41591-020-01165-w