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Harmless treatment of cyanide tailings by functional bacteria: Degradation of cyanide and the secondary pollutant ammonia nitrogen.
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Changchun Gold Research Institute Co., Ltd., Changchun 130012, China.
The eco-friendly treatment of cyanide tailings (CT) using microorganisms is a cost-effective and promising technology. However, this process often generates the secondary pollutants, such as ammonia nitrogen (NH-N), which can adversely impacts the surrounding environment. The accumulation of NH-N is also toxic to cyanide-degrading microorganisms, presenting a significant challenge in achieving simultaneous cyanide degradation and NH₄⁺-N mitigation.
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sp. nov. and sp. nov., isolated from water kefir.
Int J Syst Evol Microbiol
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Teagasc Food Research Centre, Moorepark, Cork, Ireland.
Four strains, representing two novel species, were isolated from water kefir, a fermented beverage. 16S rRNA gene analysis suggested that the novel species share high identities (98.82-98.
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Anaerobe
December 2024
School of Biological Sciences, University of Auckland, Auckland, New Zealand.
Objectives: The central challenge in third-generation sequencing lies in meeting the requirements for DNA quality (integrity and purity) and quantity. Therefore, novel improvements in DNA extraction methods are needed to satisfy these requirements. We reasoned that in anaerobic microbial communities, the presence of certain strict anaerobes containing oxygen-activated DNase activity might contribute substantially to the poor integrity of extracted metagenomic DNA (or genomic DNA from some pure cultures) if exposed to air.
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Microbiol Spectr
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UCD Perinatal Research Centre, UCD School of Medicine, University College Dublin, Dublin, Ireland.
Unlabelled: The vaginal microbiome is a key player in the etiology of spontaneous preterm birth. This study aimed to illustrate maternal environmental factors associated with vaginal microbiota composition and function in pregnancy. Women in healthy pregnancy had vaginal microbial sampling from the posterior vaginal fornix performed at 16 weeks gestation.
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