Sentences with phrase «host populations»

Hence, with the variable mutations that occur over time and new «strain» will eventually occur and infect a new host population.

The state of Virginia hosts a population of 8,260,405 people all interested in living life to the fullest.

We've long recognised the dramatic toll chytrid fungus is taking on amphibians globally — but believed the disease's impact on host populations would quickly become apparent.»

However, «in general, moving parasites around among different host populations can lead to epidemics, and we should be cautious about any economic practices that increase the probability of such movement of parasites,» says Mark Brown at Trinity College Dublin, Ireland.

Instead of multiplying and killing off their booming host population, more of the viruses instead integrate themselves into their host.

Selection from parasites favors immunogenetic diversity but not divergence among locally adapted host populations.

«We know that host population size and density are really important in dictating how many viruses they have,» Holmes said.

However, in practice, the implementation of these obligations is often thwarted by security concerns, lack of capacity to implement, and resistance from local host populations.

The H5N1 virus host population (the ducks, chickens, and geese) has decimated large populations of the host species.

«These are increasingly important goals in a time when rapid globalization has increased the rate of introduction of pathogens to new host populations.»

Every tissue of the bird is band - tailed pigeon, but the gonads will host a population of sperm or eggs that is made up of native band - tailed pigeon cells and a portion of the engineered cells we injected.

However, over time the gradual erosion of this bond of solidarity, combined with economic decline, undermined the willingness of states and host populations to welcome their neighbours.

As the host population increases, and the populations grow larger and denser, the parasite population increases with it.

In history diseases have often swept through the land until the host populations decline enough or a sufficient percentage of its members acquire immunity.

The strategy would take advantage of parasite refugia — host populations that have not been treated with drugs, thereby serving as «safe zones» where parasites don't develop drug resistance.

Were the cimicid populations too small to establish themselves outside the caves or were the host populations too small?»

The countries that will host these populations are already struggling to provide decent standards of living for their people.

It spreads within the host population efficiently, causing a range of diseases in humans, including congenital disorders and cancers.

By the end of the simulation, the host population consisted mostly of individuals carrying the altruism - promoting microbe — in some scenarios, 100 percent of hosts ended up with the microbe.

The researchers showed that transmissible microbes that promoted altruism in their hosts won the survival battle over microbes that did not — and when this happened, altruism became a stable trait in the host population.

The mathematical models and simulations also demonstrated that microbe - transmitted altruism ultimately became more stable within a host population than selflessness that had genetic origins.

She continued, «For many years now I've wanted to tackle the subject of immigration, and especially to try to be a little sympathetic with this side of the equation where you're the host population and you're a little uncomfortable with it.

All fleas won't be found, but comb counts allow for reasonable estimations of on - host populations.

However, in severe cases, on - host populations can exceed 300.

Every tissue of the bird is band - tailed pigeon, but the gonads will host a population of sperm or eggs that is made up of native band - tailed pigeon cells and a portion of the engineered cells we injected.

It spreads within the host population efficiently, causing a range of diseases in humans, including congenital...