Sentences with phrase «of high genetic diversity»

«(i) Managing for novel ecosystems... (ii) Retaining ecological memory... (iii) Conserving regions of high genetic diversity... (iv) Developing resilience to threshold events...»

The most surprising aspect of this work is the observation that Leishmania manages to combine allele selection with the maintenance of a high genetic diversity.

The scientists, part of a team headed by researchers at Laval University in Quebec, used climate reconstructions from 21,000 years ago to the present to predict where caribou habitat would likely exist and they matched reservoirs of high genetic diversity to areas with the most stable habitat over time.

It's also common for mutts to outlive purebred dogs, thanks to the perks of higher genetic diversity.

Not exact matches

For example, in addition to having higher levels of genetic diversity, populations in Africa tend to have lower amounts of linkage disequilibrium than do populations outside Africa, partly because of the larger size of human populations in Africa over the course of human history and partly because the number of modern humans who left Africa to colonize the rest of the world appears to have been relatively low (Gabriel et al. 2002).

Using high school level science, explain to us how 4 breeding pair of humans, with 5 members sharing much of the same genetic material, can provide enough genetic diversity for the population to continue.

Generally speaking, the wild relatives of crops harbor high levels of genetic diversity, which is very advantageous in the wild, where the plants are subject to ever - changing growing conditions.

Over the last century, however, modern intensive agriculture, with its high input of synthetic pesticides and fertilizers and monocrop specialization, has been detrimental to the diversity of genetic resources of crop varieties and livestock breeds, to the diversity of wild flora and fauna species and to the diversity of ecosystems.

Apart from the adoption of high - yielding, uniform cultivars, a further possible threat to genetic diversity, and biodiversity in general, are the side - effects of the release of genetically engineered organisms into the environment.

For a cancer with very high genetic diversity (like AML) however, the unintended effect of treatment is often to select for the most aggressive, resistant cells, clearing away their competitors and furnishing them with all the resources they need to flourish.

It still harbors high levels of genetic diversity as a result of a complex demographic history.

African populations harbour the greatest genetic diversity and have the highest per capita health burden, yet they are rarely included in large genome studies of disease association.

The first government - funded human genomics research study performed on African soil — aimed at unlocking the unique genetic character of southern African populations — has revealed a high level of genetic diversity.

Kamdem said the high genetic diversity among mosquito species and their ability to swap genes makes it difficult to stop the development of insecticide - resistant groups.

This is of great concern to ecologists because the populations in these areas include pockets with the highest levels of genetic diversity, thanks to their ancestors having survived major climate change events such as ice ages.

There is a high genetic diversity of the fungus causing wheat yellow rust, Puccinia striiformis, in the Himalayan and near - Himalayan regions, i.e. Nepal, Pakistan and China, and a much lower genetic diversity in other parts of the world.

Scientists at the Wellcome Trust Sanger Institute and the Institute for Research on Cancer and Ageing of Nice in France, show that high genetic diversity can prime new mutations that cause drug resistance.

The technique works best when individuals have some African DNA because the diversity among African genomes provides a high number of genetic markers.

Despite the bees having low genetic diversity and high levels of a nematode parasite that usually castrates other species, 25 per cent of the queens were able to produce offspring.

As evidence, the scientists from Dresden highlight the much higher genetic diversity — compared to their more southerly relatives — of the Grass Snakes in Northern Germany and Scandinavia.

Sequencing the genomes of hundreds of strains of the wine yeast S. cerevisiae has revealed little genetic diversity and high levels of inbreeding.

The findings show a surprisingly high level of genetic diversity in honeybees, and indicate that the species most probably originates from Asia, and not from Africa as previously thought.

The results validated a previous group's discovery that measurement of the genetic diversity between Barrett's cells in any given lesion is a good predictor of which patients are at high risk of developing cancer.

It also implies that the apparent loss of genetic diversity following the introduction of high - yielding Green Revolution wheat and rice varieties in the 1960s and 1970s, and attending the rapid adoption of superior GM crops today, is far from a new phenomenon.

«We have used state - of - the - art high - throughput genomics to address these questions, and have identified high levels of genetic diversity in honeybees.

The result, that the mosquito population harbors high levels of genetic diversity, has consequences for mosquito - borne disease.

And models of evolutionary search, starting with the «genetic algorithms» of John Holland, also at Michigan, suggest higher diversity per se makes it easier to find paths to new fitness peaks.

Populations that arise from just a few individuals, however, tend to have members that share a relatively high percentage of DNA — a lack of genetic diversity that can strip them of the evolutionary resources that they may someday need to respond to a deadly new disease, a change in climate, or some other challenge.

The Diversity Outbred (DO) population is a heterozygous mouse stock that may be used for high - resolution mapping of genetic loci linked to disease susceptibility, drug resistance or behavioral phenotypes.

Genetic diversity is high when there are many versions of genes present throughout members of a species.

T. gondii has high genetic diversity, with hundreds of genotypes existing globally.

Plant from multiple species, seed sources, and climate zones, particularly from locally - adapted sources Manage to maintain genetic diversity and phenotypic plasticity Create opportunities for rapid natural selection for species with high predicted potential for adverse impacts from climate change (Sturrock et al. 2011; Erickson et al. 2012; Alfaro et al. 2014; FAO 2014) Plant drought tolerant and native species Retain diversity of species and promote legacy trees Manage or restore mosaic (variable pattern of species and ages) and maintain or improve landscape connectivity Plant in asynchronous rotations and manage for diverse age classes Thin, plant, and use prescribed fire to favor species adapted to disturbance (Millar et al. 2007; Vose et al. 2016; Keane et al. forthcoming)

We at the University of Sydney have discovered new genetic diversity that helps wheat tolerate high temperature and we are working with industry to introduce these valuable genes into new cultivars.

The finding, published Nov. 9, 2015, in the Proceedings of the National Academy of Sciences, suggests that even microscopic tumors are likely to contain extremely high genetic diversity.

However, it is unclear whether species with even high levels of genetic and physical diversity can adapt fast enough to the rapid and extreme shifts in climate that are projected over the next century (Vose et al. 2012).

But the team found the opposite: the passenger pigeon's strong social structure favored beneficial mutations for living at high densities, driving selection throughout the species and decreasing genetic diversity in large sections of the genome where recombination seldom occurs.

Such a high level of gene flow has likely contributed to maintenance of a high level of genetic diversity in domesticated apples.

Under a grant from the Global Diversity Trust, we are using genomic tools to develop inter-specific introgression lines, novel genetic resources that are derived from crosses between diverse wild relatives and elite, high yielding varieties of both indica and japonica rice.

Parasitic nematode species have extremely high levels of genetic diversity, presenting a number of experimental challenges for genomic and genetic work.

Here, we report the genome sequence of this pathogen and 7,863 identified protein - coding genes, and we show that the majority of clinical isolates possess high levels of allelic diversity, genetic admixture, heterozygosity, and extensive aneuploidy.

«The high - resolution portrait of human genetic diversity afforded by these studies allows new inferences to be made about our migration out of Africa,» write Serena Tucci and Joshua Akey in an accompanying News & Views article.

Breeders should pay attention to protecting the genetic diversity of breeds that have very high frequencies of an inherited disease.

In a recent UK study, several breeds were shown to maintain a high degree of genetic diversity, in particular the Jack Russell Terrier, which showed extensive admixture and very low levels of inbreeding [19].

Purebred dogs are the only system for undertaking this study for a large number of reasons, including low within - breed genetic diversity, high between - breed morphological diversity, and similarity to humans.

Indeed studies have empirically determined a large depletion in genetic diversity in some pedigree dogs breeds [1 — 3], and many breeds do suffer a high burden of genetic disease [4].

One study reported that higher levels of inbreeding and reduced genetic diversity were associated with a reduction in the prevalence of hip dysplasia [32].

Management actions, such as maintenance of genetic diversity, assisted species migration and dispersal, manipulation of disturbance regimes (e.g., fires, floods), and reduction of other stressors, can reduce, but not eliminate, risks of impacts to terrestrial and freshwater ecosystems due to climate change, as well as increase the inherent capacity of ecosystems and their species to adapt to a changing climate (high confidence).

High quality agaves are very good feedstock material for biofuel... for the following characteristics: high total sugar density and content; high weight of the fruit and stems; cultivation and harvest cycles of six years; high density of plants per hectare; genetic diversity and high adaptability, low water requirements; CO2 and capture; methane metabolism; soil retention; plant nutrition; products from inulin; and low maintenance during cultivatHigh quality agaves are very good feedstock material for biofuel... for the following characteristics: high total sugar density and content; high weight of the fruit and stems; cultivation and harvest cycles of six years; high density of plants per hectare; genetic diversity and high adaptability, low water requirements; CO2 and capture; methane metabolism; soil retention; plant nutrition; products from inulin; and low maintenance during cultivathigh total sugar density and content; high weight of the fruit and stems; cultivation and harvest cycles of six years; high density of plants per hectare; genetic diversity and high adaptability, low water requirements; CO2 and capture; methane metabolism; soil retention; plant nutrition; products from inulin; and low maintenance during cultivathigh weight of the fruit and stems; cultivation and harvest cycles of six years; high density of plants per hectare; genetic diversity and high adaptability, low water requirements; CO2 and capture; methane metabolism; soil retention; plant nutrition; products from inulin; and low maintenance during cultivathigh density of plants per hectare; genetic diversity and high adaptability, low water requirements; CO2 and capture; methane metabolism; soil retention; plant nutrition; products from inulin; and low maintenance during cultivathigh adaptability, low water requirements; CO2 and capture; methane metabolism; soil retention; plant nutrition; products from inulin; and low maintenance during cultivation.