WebApr 25, 2024 · 质粒（英语：Plasmid），又名质体，是指在细胞的染色体或核区DNA之外，能够自主复制的DNA分子（字源：plasm为生殖质，-id表示粒）。 质粒与染色体最主要的区分是，质粒不是细胞生存所必需，染色体则是细胞生存必需的。大部分的质粒都是环状分子，但是也有少数属于线状分子 ，它存在于许多细菌 ... Web质粒（plasmid）广泛存在于生物界，从细菌、放线菌、丝状真菌、大型真菌、酵母到植物，甚至人类机体中都含有。从分子组成看，有DNA质粒，也有RNA 质粒；从分子构型 …

Broad-host-range IncP-1 plasmids and their resistance potential

WebMay 10, 2016 · An IncX1 and IncX4 combination was observed also in Salmonella Heidelberg isolated from food in the USA. 34 Division of the plasmid family into four subgroups was based on overall phylogeny of the IncX plasmid backbones and stable propagation of distinct IncX plasmid subgroups in one cell line has not been addressed … WebMar 7, 2013 · Broad-host-range IncP plasmids are known to spread genes between distinct phylogenetic groups of bacteria. These genes often code for resistances to a broad spectrum of antibiotics, heavy metals, and quaternary ammonium compounds used as disinfectants. The backbone of these plasmids carries modules that enable them to … ray cook cardno

Design and synthesis of a quintessential self …

WebNov 1, 2024 · IncX1 plasmids contain various ARGs and they are resistant to different types of antibiotic. The most prevalent resistance gene was bla TEM-1B , mediating resistance … WebApr 28, 2024 · The emergence of novel plasmid-mediated resistance genes constitutes a great public concern. Recently, mobile tet(X) variants were reported in diverse pathogens from different sources.However, the diversity of tet(X)-bearing plasmids remains largely unknown.In this study, the phenotypes and genotypes of all the tet(X)-positive tigecycline … WebNov 11, 2024 · The emergence of plasmid-mediated tigecycline resistance gene tet(X4) poses a challenging threat to public health.Based on the analysis of tet(X4)-positive plasmids in the NCBI database, we found that the IncX1-type plasmid is one of the most common vectors for spreading tet(X4) gene, but the mechanisms by which these … ray cook blue goose scotty cameron