2015 7 7 The gastric pathogen Helicobacter pylori forms biofilms on abiotic and biotic surfaces We have shown previously that H pylori perceives the quorum signal autoinducer 2 AI 2 as a chemorepellent We report here that H pylori chemorepulsion from endogenous AI 2 influences the proportions and spatial organization of cells within biofilms Strains that fail to produce AI 2 ∆luxS
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Get Price2014 6 4 biomass is included 18 of total world energy demand is met by renewables Globally final consumption of biomass is roughly equivalent to consumption of coal or gas Many governments have high expectations of the sector Italy for example promotes the use and development of renewables in support of the central policy objectives of
Get Price2020 1 14 Control methods for the larvae of the maize pest Diabrotica virgifera virgifera Coleoptera Chrysomelidae are known to produce inconsistent results under field conditions To better understand the effects of plant protection products on the root feeding larvae we looked for changes in efficacy of the granular soil insecticides chlorpyrifos cypermethrin and tefluthrin during a cropping
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Get Price2021 10 22 For an ambitious biotech firm like Amyris f inding an alternative to petroleum had the same ring as battling malaria The world would be better for it Khosla s advice to Amyris echoed his advice to KiOR to become a biofuel version of Exxon Amyris debated making lubricants and high value chemicals for perfumes
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