Mark E. Mort
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View article: Multiplexed shotgun genotyping (MSG) data resolve phylogenetic relationships within and among archipelagos in Macaronesian <i>Tolpis</i>
Multiplexed shotgun genotyping (MSG) data resolve phylogenetic relationships within and among archipelagos in Macaronesian <i>Tolpis</i> Open
Premise Plants endemic to oceanic archipelagos are suitable for studying evolution, being isolated on substrates of different ages. Evolution has been recent, rendering traditionally employed sequences insufficiently variable for resolving…
View article: The New Principles of Biology: Access and Inclusion in the Science Lab
The New Principles of Biology: Access and Inclusion in the Science Lab Open
The pandemic helped expose long-standing educational access issues in the sciences.Students with disabilities face barriers to an equitable learning experience, from physical challenges navigating the lab room to vision and hearing impairm…
View article: How rapidly do self‐compatible populations evolve selfing? Mating system estimation within recently evolved self‐compatible populations of Azorean <i>Tolpis succulenta</i> (Asteraceae)
How rapidly do self‐compatible populations evolve selfing? Mating system estimation within recently evolved self‐compatible populations of Azorean <i>Tolpis succulenta</i> (Asteraceae) Open
Genome‐wide genotyping and Bayesian inference method (BORICE) were employed to estimate outcrossing rates and paternity in two small plant populations of Tolpis succulenta (Asteraceae) on Graciosa island in the Azores. These two known exta…
View article: Genetic relationships of Caribbean lowland spiny pocket mice (Heteromys desmarestianus: Rodentia; Heteromyidae): evidence of a distinct mitochondrial lineage
Genetic relationships of Caribbean lowland spiny pocket mice (Heteromys desmarestianus: Rodentia; Heteromyidae): evidence of a distinct mitochondrial lineage Open
Genetic studies provide important insights into the evolutionary history and taxonomy of species, allowing us to identify lineages difficult to distinguish morphologically. The relationship among species in the genus Heteromys has been in …
View article: Rates of niche and phenotype evolution lag behind diversification in a temperate radiation
Rates of niche and phenotype evolution lag behind diversification in a temperate radiation Open
Environmental change can create opportunities for increased rates of lineage diversification, but continued species accumulation has been hypothesized to lead to slowdowns via competitive exclusion and niche partitioning. Such density-depe…
View article: Morphological variation and geographic distribution of Schizopetalon arcuatum Al-Shehbaz (Brassicaceae), a cryptic endemic species from the Atacama Region, Chile
Morphological variation and geographic distribution of Schizopetalon arcuatum Al-Shehbaz (Brassicaceae), a cryptic endemic species from the Atacama Region, Chile Open
RESUMEN La presente nota ofrece una revisión de la distribución geográfica y variación morfológica de Schizopetalon arcuatum, dado que ambas variables han generado confusión en la identificación de esta especie críptica. Se espera que la i…
View article: The genetic breakdown of sporophytic self‐incompatibility in <i>Tolpis coronopifolia</i> (Asteraceae)
The genetic breakdown of sporophytic self‐incompatibility in <i>Tolpis coronopifolia</i> (Asteraceae) Open
Summary Angiosperm diversity has been shaped by mating system evolution, with the most common transition from outcrossing to self‐fertilizing. To investigate the genetic basis of this transition, we performed crosses between two species en…
View article: The potential role of hybridization in diversification and speciation in an insular plant lineage: insights from synthetic interspecific hybrids
The potential role of hybridization in diversification and speciation in an insular plant lineage: insights from synthetic interspecific hybrids Open
Hybridization is recognized as an important process in plant evolution, and this may be particularly true for island plants where several biotic and abiotic factors facilitate interspecific hybridization. Although rarely done, experimental…
View article: The influence of habitat on the evolution of plants: a case study across Saxifragales
The influence of habitat on the evolution of plants: a case study across Saxifragales Open
The likelihood of occupation of new habitats appears to be asymmetric. Shifts to aquatic and desert habitats may be canalizing events. Other habitats, such as tundra, might act as evolutionary sources, while forests provide the only habita…
View article: Multiplexed shotgun genotyping resolves species relationships within the North American genus <i>Penstemon</i>
Multiplexed shotgun genotyping resolves species relationships within the North American genus <i>Penstemon</i> Open
PREMISE OF THE STUDY: Evolutionary radiations provide opportunities to examine large‐scale patterns in diversification and character evolution, yet are often recalcitrant to phylogenetic resolution due to rapid speciation events. The plant…