Emergency Medical Tecnician - Concord EMS

Concnrd EMS is currently looking for Full and Part Time Emergency Medical Technicians We are offering a $2000.00 sign on bonus for Full TIme Employees Provides quality medical care to all patients in both Emergent and Non-Emergent situations within the guidelines of the Michigan Department of Community Health Paramedic or EMT License, represents the company with professionalism and courtesy, and takes ...

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Resistance in In Vitro Selected Tigecycline-Resistant Methicillin-Resistant Staphylococcus aureus Sequence Type 5 Is Driven by Mutations in mepR and mepA Genes

Microbial Drug Resistance , Vol. 0, No. 0.


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Antimicrobial Activity of Ceftolozane-Tazobactam Tested Against Enterobacteriaceae and Pseudomonas aeruginosa with Various Resistance Patterns Isolated in U.S. Hospitals (2013–2016) as Part of the Surveillance Program: Program to Assess Ceftolozane-Tazobactam Susceptibility

Microbial Drug Resistance , Vol. 0, No. 0.


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High Prevalence of Multidrug-Resistant Bacteria in Libyan War Casualties Admitted to a Tertiary Care Hospital, Germany

Microbial Drug Resistance , Vol. 0, No. 0.


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Antibiotic Resistance in Salmonella from Retail Foods of Animal Origin and Its Association with Disinfectant and Heavy Metal Resistance

Microbial Drug Resistance , Vol. 0, No. 0.


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A Horizontally Transferred Autonomous Helitron Became a Full Polydnavirus Segment in Cotesia vestalis

Bracoviruses associate symbiotically with thousands of parasitoid wasp species in the family Braconidae, working as virulence gene vectors, and allowing the development of wasp larvae within hosts. These viruses are composed by multiple DNA circles that are packaged into infective particles and injected together with wasp's eggs during parasitization. One of the viral segments of Cotesia vestalis bracovirus contains a gene that has been previously described as a helicase of unknown origin. Here we demonstrate that this gene is a Rep/Helicase from an intact Helitron transposable element that covers the viral segment almost entirely. We also provide evidence that this element underwent at least two horizontal transfers, which appear to have occurred consecutively: first from a Drosophila host ancestor to the genome of the parasitoid wasp Cotesia vestalis and its bracovirus, and then from C. vestalis to a lepidopteran host (Bombyx mori). Our results reinforce the idea of parasitoid wasps as frequent agents of horizontal transfers in eukaryotes. Additionally, this Helitron-bracovirus segment is the first example of a transposable element that effectively became a whole viral circle.

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H+ and Pi Byproducts of Glycosylation Affect Ca2+ Homeostasis and Are Retrieved from the Golgi Complex by Homologs of TMEM165 and XPR1

Glycosylation reactions in the Golgi complex and the endoplasmic reticulum utilize nucleotide sugars as donors and produce inorganic phosphate (Pi) and acid (H⁺) as byproducts. Here we show that homologs of mammalian XPR1 and TMEM165 (termed Erd1 and Gdt1) recycle luminal Pi and exchange luminal H⁺ for cytoplasmic Ca²⁺, respectively, thereby promoting growth of yeast cells in low Pi and low Ca2+ environments. As expected for reversible H⁺/Ca²⁺ exchangers, Gdt1 also promoted growth in high Ca²⁺ environments when the Golgi-localized V-ATPase was operational but had the opposite effect when the V-ATPase was eliminated. Gdt1 activities were negatively regulated by calcineurin signaling and by Erd1, which recycled the Pi byproduct of glycosylation reactions and prevented the loss of this nutrient to the environment via exocytosis. Thus, Erd1 transports Pi in the opposite direction from XPR1 and other EXS family proteins and facilitates byproduct removal from the Golgi complex together with Gdt1.

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