Search Results - "Samuels, Toby"

The distribution of fitness effects of spontaneous mutations in Chlamydomonas reinhardtii inferred using frequency changes under experimental evolution by Böndel, Katharina B, Samuels, Toby, Craig, Rory J, Ness, Rob W, Colegrave, Nick, Keightley, Peter D

“…The distribution of fitness effects (DFE) for new mutations is fundamental for many aspects of population and quantitative genetics. In this study, we have…”
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Inferring the distribution of fitness effects of spontaneous mutations in Chlamydomonas reinhardtii by Böndel, Katharina B, Kraemer, Susanne A, Samuels, Toby, McClean, Deirdre, Lachapelle, Josianne, Ness, Rob W, Colegrave, Nick, Keightley, Peter D

“…Spontaneous mutations are the source of new genetic variation and are thus central to the evolutionary process. In molecular evolution and quantitative…”
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Surviving Heatwaves: Thermal Experience Predicts Life and Death in a Southern Ocean Diatom by Samuels, Toby, Rynearson, Tatiana A., Collins, Sinéad

“…Extreme environmental fluctuations such as marine heatwaves (MHWs) can have devastating effects on ecosystem health and functioning through rapid population…”
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Habitability Is Binary, But It Is Used by Astrobiologists to Encompass Continuous Ecological Questions by Cockell, Charles S, Samuels, Toby, Stevens, Adam H

“…The term "habitability" is pervasive throughout the space sciences and astrobiology literature and is broadly used to describe an environment's ability to…”
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Evidence For In Vitro and In Situ Pyrite Weathering By Microbial Communities Inhabiting Weathered Shale by Samuels, Toby, Pybus, David, Wilkinson, Mark, Cockell, Charles S.

“…Microbial pyrite oxidation is an important driver of biological weathering within shale, making a significant contribution toward biogeochemical cycling,…”
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Casamino acids slow motility and stimulate surface growth in an extreme oligotroph by Samuels, Toby, Pybus, David, Cockell, Charles S.

“…Summary Environmental cues that regulate motility are poorly understood, but specific carbon and nitrogen sources, such as casamino acids (CAA), are known to…”
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De Novo Mutation Rate Variation and Its Determinants in Chlamydomonas by López-Cortegano, Eugenio, Craig, Rory J, Chebib, Jobran, Samuels, Toby, Morgan, Andrew D, Kraemer, Susanne A, Böndel, Katharina B, Ness, Rob W, Colegrave, Nick, Keightley, Peter D

“…Abstract De novo mutations are central for evolution, since they provide the raw material for natural selection by regenerating genetic variation. However,…”
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Is it time for a manned mission to Mars? by Samuels, Toby, Nicholson, Natasha

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Is it time for a manned mission to Mars? by Samuels, Toby, Nicholson, Natasha

“…Toby Samuels and Natasha Nicholson report on a debate over the pros and cons of turning humans into martians…”
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Liquid Water Restricts Habitability in Extreme Deserts by Cockell, Charles S, Brown, Sarah, Landenmark, Hanna, Samuels, Toby, Siddall, Rebecca, Wadsworth, Jennifer

“…Liquid water is a requirement for biochemistry, yet under some circumstances it is deleterious to life. Here, we show that liquid water reduces the upper…”
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A new network for astrobiology in Europe by Samuels, Toby, Noack, Lena, Verseux, Cyprien, Serrano, Paloma

“…Toby Samuels, Lena Noack, Cyprien Verseux and Paloma Serrano look back at the first symposium of the new network Astrobiology Graduates in Europe, held in…”
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An ESA roadmap for geobiology in space exploration by Cousins, Claire R, Cockell, Charles S

“…Geobiology, and in particular mineral–microbe interactions, has a significant role to play in current and future space exploration. This includes the search…”
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