Results 11 to 20 of about 115,762 (261)
Adaptive radiation therapy [PDF]
Adaptive radiation therapy is a closed-loop radiation treatment process where the treatment plan can be modified using a systematic feedback of measurements. Adaptive radiation therapy intends to improve radiation treatment by systematically monitoring treatment variations and incorporating them to re-optimize the treatment plan early on during the ...
D, Yan, F, Vicini, J, Wong, A, Martinez
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Pangenomes as a framework for adaptive radiation, speciation, and adaptation. [PDF]
Abstract Understanding the genomic basis of diversification is a central goal in evolutionary biology. In recent years, the development and use of pangenomes, a genomic representation of multiple individuals within a lineage (a set of related populations, subspecies, ecotypes, or species), has enabled researchers to differentiate ...
Tellini N +5 more
europepmc +3 more sources
Biological populations may survive lethal environmental stress through evolutionary rescue. The rescued populations typically suffer a reduction in growth performance and harbor very low genetic diversity compared with their parental populations.
Dong‐Hao Zhou, Quan‐Guo Zhang
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Deep-Time Demographic Inference Suggests Ecological Release as Driver of Neoavian Adaptive Radiation
Assessing the applicability of theory to major adaptive radiations in deep time represents an extremely difficult problem in evolutionary biology.
Peter Houde +2 more
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Dendrite fragmentation induced by massive-like δ–γ transformation in Fe–C alloys
Transitioning from columnar to equiaxed grains is paramount for desired microstructures during steel casting. Here, the authors report a new fragmentation mechanism based on a phase transition at grain boundaries that can contribute to equiaxed grains.
Hideyuki Yasuda +7 more
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The Role of Photobionts as Drivers of Diversification in an Island Radiation of Lichen-Forming Fungi
Speciation in oceanic islands has attracted the interest of scientists since the 19th century. One of the most striking evolutionary phenomena that can be studied in islands is adaptive radiation, that is, when a lineage gives rise to different species ...
Miguel Blázquez +8 more
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Molecular Adaptation during a Rapid Adaptive Radiation [PDF]
"Explosive" adaptive radiations on islands remain one of the most puzzling evolutionary phenomena and the evolutionary genetic processes behind such radiations remain unclear. Rapid morphological and ecological evolution during island radiations suggests that many genes may be under fairly strong selection, although this remains untested.
Kapralov, Maxim +2 more
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The independent evolution of the two toothed jaws of cichlid fishes is thought to have promoted their unparalleled ecological divergence and species richness.
C. Darrin Hulsey +5 more
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Reed bamboos drive skull shape evolution in bush frogs of the Western Ghats, Peninsular India
Reed bamboo is a major ecological and economic resource for many animals, including humans. Nonetheless, the influence of this plant's evolutionary role on the morphology of animal species remains unexplored.
Kalpana Das +5 more
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Polygenic adaptation from standing genetic variation allows rapid ecotype formation
Adaptive ecotype formation can be the first step to speciation, but the genetic underpinnings of this process are poorly understood. Marine midges of the genus Clunio (Diptera) have recolonized Northern European shore areas after the last glaciation.
Nico Fuhrmann +2 more
doaj +1 more source

