Toby Samuels
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View article: Microbial weathering of iron-bearing minerals in deep hydrothermally altered granitic rock of a semi-arid environment (Chilean Coastal Cordillera)
Microbial weathering of iron-bearing minerals in deep hydrothermally altered granitic rock of a semi-arid environment (Chilean Coastal Cordillera) Open
Microbial mineral weathering has been predominantly investigated at shallow depths in humid and tropical environments. Much less is understood about its role in the deeper subsurface of arid and semi-arid environments where microbial weath…
View article: The distribution of fitness effects of spontaneous mutations in Chlamydomonas reinhardtii inferred using frequency changes under experimental evolution
The distribution of fitness effects of spontaneous mutations in Chlamydomonas reinhardtii inferred using frequency changes under experimental evolution Open
The distribution of fitness effects (DFE) for new mutations is fundamental for many aspects of population and quantitative genetics. In this study, we have inferred the DFE in the single-celled alga Chlamydomonas reinhardtii by estimating …
View article: The distribution of fitness effects of spontaneous mutations in <i>Chlamydomonas reinhardtii</i> inferred using frequency changes under experimental evolution
The distribution of fitness effects of spontaneous mutations in <i>Chlamydomonas reinhardtii</i> inferred using frequency changes under experimental evolution Open
Summary The distribution of fitness effects (DFE) for new mutations is fundamental for many aspects of population and quantitative genetics. In this study, we have inferred the DFE in the single-celled alga Chlamydomonas reinhardtii by est…
View article: De Novo Mutation Rate Variation and Its Determinants in<i>Chlamydomonas</i>
De Novo Mutation Rate Variation and Its Determinants in<i>Chlamydomonas</i> Open
De novo mutations are central for evolution, since they provide the raw material for natural selection by regenerating genetic variation. However, studying de novo mutations is challenging and is generally restricted to model species, so w…
View article: Surviving Heatwaves: Thermal Experience Predicts Life and Death in a Southern Ocean Diatom
Surviving Heatwaves: Thermal Experience Predicts Life and Death in a Southern Ocean Diatom Open
Extreme environmental fluctuations such as marine heatwaves (MHWs) can have devastating effects on ecosystem health and functioning through rapid population declines and destabilization of trophic interactions. However, recent studies have…
View article: Surviving heatwaves: thermal experience predicts life and death in a Southern Ocean diatom
Surviving heatwaves: thermal experience predicts life and death in a Southern Ocean diatom Open
Extreme environmental fluctuations such as marine heatwaves (MHWs) can have devastating effects on ecosystem health and functioning through rapid population declines and destabilisation of trophic interactions. However, recent studies have…
Inferring the distribution of fitness effects of spontaneous mutations in Chlamydomonas reinhardtii Open
Spontaneous mutations are the source of new genetic variation and are thus central to the evolutionary process. In molecular evolution and quantitative genetics, the nature of genetic variation depends critically on the distribution of eff…
View article: The UK Centre for Astrobiology: A Virtual Astrobiology Centre. Accomplishments and Lessons Learned, 2011–2016
The UK Centre for Astrobiology: A Virtual Astrobiology Centre. Accomplishments and Lessons Learned, 2011–2016 Open
The UK Centre for Astrobiology (UKCA) was set up in 2011 as a virtual center to contribute to astrobiology research, education, and outreach. After 5 years, we describe this center and its work in each of these areas. Its research has focu…
View article: An analysis of <scp> <i>P</i> </scp> <i>seudomonas</i> genomic diversity in take‐all infected wheat fields reveals the lasting impact of wheat cultivars on the soil microbiota
An analysis of <span> <i>P</i> </span> <i>seudomonas</i> genomic diversity in take‐all infected wheat fields reveals the lasting impact of wheat cultivars on the soil microbiota Open
Summary Manipulation of the soil microbiota associated with crop plants has huge promise for the control of crop pathogens. However, to fully realize this potential we need a better understanding of the relationship between the soil enviro…
View article: A new network for astrobiology in Europe
A new network for astrobiology in Europe Open
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 Edinburgh in October 2014.