Category Archives: Microbial Evolution and Diversity

Bacterioides fragilis: resistance is rising

Post by Naomi Osborne, ThermoFisher Scientific The emergence of multi-drug resistant (MDR) micro-organisms is ever increasing; Staphylococcus aureus, Clostrium difficile, Mycobacterium tuberculosis, Acinetobacter baumanii – the list seems endless. A review published in the Journal of Medical Microbiology discusses the … Continue reading

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Boosting stress tolerance in yeast

Post by Jana Hiltner, University of Strathclyde Japanese researchers have discovered that transferring a stress protein from the salt-tolerant plant Suaeda japonica into yeast makes it more tolerant towards stresses such as heat, cold, high salinity, extreme pH and hydrogen … Continue reading

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Gene shuffling allows microbial disguise

Post by Janet Daley, University of Nottingham Pathogens employ an array of tricks to evade detection by the immune system of the hosts they infect. The rickettsial bacterium Anaplasma phagocytophilum is a master of disguise, shuffling genes to change its … Continue reading

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Can novel microbes do our dirty work?

Post by Zoe Freeman, University of Bath Across the globe, teams of intrepid microbiologists are tirelessly sampling and characterising microbes from strange and exotic lands. Just imagine isolating a new yeast species from Hibiscus flowers in Borneo, or a new … Continue reading

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The evolution of a diarrhoeal viral genome

Post by Rebecca Gladstone, University of Southampton Two billion cases of severe diarrhoea occur globally each year, representing the second leading cause of death in children under five years old, according to the World Health Organization. Diarrhoeal disease is both … Continue reading

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The limits of bacterial hitchhiking

Post by Rachel Roberts, University of Reading Bacteria are able to move across oceans, deserts and mountain ranges with relative ease, by hitching a ride in clouds of dust or water vapour. The rules that govern the dispersal, or ‘biogeography’, … Continue reading

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Life in a cold climate

Post by Lizzy Andrew, Newcastle University Life can exist and thrive in even the most extreme environments. Investigating regions which are uninhabitable for most organisms can identify species with remarkable tolerance for a number of environmental stresses, including acute temperatures, … Continue reading

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Bats and their viral tenants

Post by Sruthi Raghavan, Freelance science writer Bats are an important natural reservoir of gammaretroviruses, a type of retrovirus.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 We all know that bats roost in trees, caves and even houses. But they seem to be oblivious to, and … Continue reading

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