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Erythromycin - Wiley Online Library

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Last Updated: 05 March 2022

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Should we believe the benefit of intravenous erythromycin in critically ill adults with gastric feeding intolerance? Reinspecting the pieces of evidence from a series of meta‐analyses

In the ESPEN guideline with Grade B of recommendation and strong consensus based on significant findings from meta-analysis of only three randomized controlled trials in Mantel'szel random effects model, only a randomized controlled trial has been included. Methods: We reinspected the results by random effects model of meta-analysis by the frequentist approach with the Hartung-Knapp–Sidik–Jonkman method, trial sequential analysis, and Bayesian inference. 0. 50, 95% CI: 0. 19–1. 33; I2 = 74. 5 percent; HKSJ methods: 0. 50, 95% CI: 0. 50, 95% CI: 0. 19–1. 33; I2 = 74. 5 percent. Conclusions: The role of intravenous erythromycin in feeding intolerance in critically ill adults was inconclusive, with very little certainty of evidence.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/jpen.2352


Comparative genomic and transcriptomic analysis guides to further enhance the biosynthesis of erythromycin by an overproducer

The application of omics techniques has been used to investigate the increased productivity of natural products by industrial high-producing microorganisms. Here, we used the updated genome sequence and transcriptomic profiles derived from high-throughput sequencing to further develop the biosynthesis of erythromycin in an industrial overproducer, Saccharopolyspora erythraea HL3168 E3. We discovered fragment deletions within 56 code sequences and 255 single nucleotide polymorphisms throughout E3's genome, which we compared to the wild type NRRL23338. Moreover, the transcriptomic results showed that genes involved in the production of erythromycin were highly upregulated continuously, while other secondary metabolites' biosynthesis clusters contained nonsense mutations and were expressed at extremely low rates. Based on the omics association's report, easily available techniques were applied to engineer E3 by simultaneously overexpressing sucB and sucA, which raised the erythromycin titer by 71% compared to batch culture's E3.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/bit.28059

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions