Control Effects of Bacillus siamensis G-3 Volatile Compounds on Raspberry Postharvest Diseases Caused by Botrytis cinerea and Rhizopus stolonifer
Publication date: Available online 3 November 2019Source: Biological ControlAuthor(s): Xiaoyu Zhang, Zhenfeng Gao, Xinxian Zhang, Wenbin Bai, Lixin Zhang, Hongbin Pei, Yongjie ZhangAbstractPost-harvest diseases of raspberries affect their storage and subsequently the ability to provide consumers with fresh products. The antifungal activity of microbial volatile organic compounds (MVOCs) against both pre and postharvest diseases has previously been demonstrated, but the control of raspberry postharvest diseases caused by Botrytis cinerea and Rhizopus stolonifer using MVOCs has not been extensively studied. We have thus investigated the effects of Bacillus siamensis G-3 volatile organic compounds (VOCs) on controlling the diseases caused by B. cinerea and R. stolonifer. Bioassays of the VOCs of B. siamensis G-3 exhibited significant control effects (89.4 %) on the two pathogens. The VOCs composition was studied with solid phase micro extraction and GC/mass spectrometry (SPME-GC-MS), and 22 VOCs, different from the controls, were identified. Among these compounds, only 2, 6-di-tert-butyl-4-methylphenol (BHT), and 2, 4-di-tert-butylphenol (2, 4-DTBP) had significant control effects on the pathogens (*P
CONCLUSION: Prevalence of antibiotic use was high not only versus other hospitals in the region but globally including Africa, coupled with significant evidence of sub-optimal prescribing. Swift action is needed to improve future prescribing to reduce AMR. One or two areas should initially be targeted for quality improvement including development of local guidelines, documentation of antibiotic indications and/or stop/review dates. PMID: 33034234 [PubMed - as supplied by publisher]
Authors: Rombauts A, Abelenda-Alonso G, Cuervo G, Gudiol C, Carratalà J Abstract INTRODUCTION: Despite adequate antibiotic coverage, community-acquired pneumonia (CAP) remains a leading cause of hospitalization and mortality worldwide. It induces both a local pulmonary and a systemic inflammatory response, particularly significant in severe cases. The intensity of the dysregulated host response varies from patient to patient and has a negative impact on survival and other outcomes. AREAS COVERED: This comprehensive review summarizes the pathophysiological aspects of the inflammatory response in CAP, brie...
Authors: Hammerschlag MR, Sharma R Abstract INTRODUCTION: Azithromycin was recommended as the first-line therapeutic regimen for treatment of genital infections in men and women by the Centers for Disease Control in 1998. A series of studies of azithromycin for treatment of rectal chlamydial infection in men who have sex with men (MSM) found that azithromycin was significantly less effective than doxycycline. AREAS COVERED: Literature on treatment of rectal C. trachomatis from 2000 through May 2020 was searched using PubMed. Retrospective and observational studies were identified documenting the frequency and t...
Authors: Reissier S, Cattoir V Abstract INTRODUCTION: Streptogramins (pristinamycin and quinupristin-dalfopristin) can be interesting options for the treatment of infections due to Gram-positive cocci, especially multidrug-resistant isolates. AREAS COVERED: This review provides an updated overview on structural and activity characteristics, mechanisms of action and resistance, pharmacokinetic/pharmacodynamic and clinical use of streptogramins. EXPERT OPINION: The streptogramin antibiotics act by inhibition of the bacterial protein synthesis. They are composed of two chemically distinct compounds, namely typ...
Publication date: 15 February 2021Source: Journal of Hazardous Materials, Volume 404, Part BAuthor(s): Ping He, Yi Zhang, Xinyi Zhao, Jie Wei, Tianhong Xu, Jiang Wu, Naichao Chen
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