Sentences with phrase «in wild populations»

This adaptation, however, has never been seen outside the laboratory in wild populations.
Resistance to the disease has built up over time in wild populations, but the virus is still fatal to domestic rabbits.
We will examine rodenticide concentration in Red - tailed Hawks migrating through the Marin Headlands to assess frequency and level of exposure in a wild population of hawks.
«Our findings appear to be the first demonstration of this occurring in wild populations as viewed by likely predators.»
«Could an accidental release of MCR - bearing organisms into the environment result in their spreading potentially deleterious mutation to the vast majority of individuals in a wild population
Among the challenges researchers face is ensuring that GM mosquitoes can compete and mate with their wild counterparts so the desired modification is preserved and spread in the wild population.
The recently described fungus, Batrachochytrium salamandrivorans, has caused a crash in wild populations of fire salamanders in the Netherlands.
Of particular interest however, was that the change in abundance of D. birchii in wild populations along mountain gradients differed from that of D. birchii success in cages.
Current CRISPR gene drive systems are likely to be highly invasive in wild populations.
Hanna Granroth - Wilding, who led the study, said: «Our knowledge of disease in wild animals has tended to focus on the individual, but our study shows that we need to pay more attention to the broader consequences of disease to fully appreciate the role that it plays in wild populations, especially those whose numbers may be under threat.»
«Evolution in wild populations is thus both simpler than many researchers would have predicted and more reproducible,» says vertebrate geneticist David Kingsley of the Stanford University School of Medicine.
Parasites carried by commercially raised bumble bees may be to blame for the recent decline in wild populations in North America and elsewhere.
So there are cases in wild populations where we believe changes, and many of them man - induced, are altering the impact of natural mortality from disease.»
The individuals in the wild population today are, on average, as related as siblings, Fredrickson says.
Further analysis showed that in insects with genetically diverse backgrounds, as found in wild populations, there was considerable variation in terms of how efficiently the offspring converted, and how often resistance genes arose.
But Jonathan Pruitt, at the University of Pittsburgh, and Charles Goodnight, at the University of Vermont, have been studying generations of these Anelosimus spiders — and have gathered the first - ever experimental evidence that group selection can fundamentally shape collective traits in wild populations.
The team also compared the response of flies in cages (which experienced the local temperature and humidity, but not interactions with other species) with the abundance of D. birchii in wild populations at the same sites along mountain gradients (where other species were also present), to test whether interactions among species affect responses to climate change.
Gene drives capable of functioning in wild populations have been created in only a few organisms, including yeast, the fruitfly and two species of mosquitoes.
«Small population sizes and habitat fragmentation are well known threats to animals with limited mobility, but the impacts of these factors are hard to observe in wild populations,» said Forero - Medina, Species and Science Director for WCS's Colombia Program and a study co-author.
In Larson's view, this represents a split in wild populations, as Ice Age glaciers moved, and does not show effects of domestication.
I am currently focusing on female reproductive competition and on sexual conflict between males and females in a wild population of chacma baboon living in Namibia.
These critical facets of social living are often compromised in wild populations subjected to human disruption [9, 11, 40], and missing in the majority of captive environments [45].
For papers identifying locally adapted loci from SNP data in wild populations, the proportion of SNPs tested that were local adaptation candidates based on either (a) FST outlier status or (b) significant genotype - environment associations, in comparison to the log - scaled number of individuals sampled in the reported dataset.
In wild populations such as wolves and coyotes the tip of the tail may also be very dark or even pure black, again a color differentiation that will draw attention.
Researchers confirmed that other gonococci strains were able to take up the ceftriaxone - resistance gene, showing its potential to spread in the wild population.
Mosquitoes that carry the dengue virus have been engineered to cause crashes in wild populations, and could soon be used in the US as well
In wild populations, the lack of a genetic perspective may provide a flawed understanding of how the causes and consequences of natural selection are connected.
Until recently, there were six known ape Laverania species that exhibited strict host specificity (association with a single host species) in wild populations — three in chimpanzees and three in western gorillas.
In wild populations, TL correlates with life - history traits such as lifespan and survival [9,10].
I don't want to get carried away by an early small success, but if GM mosquitoes find acceptance, we will likely arrive at a time when spreading resistance genes (often called pathogen refractoriness) in wild populations is possible.
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