Sentences with phrase «less diverse population»

According to research, obese folks have a less diverse population of gut bacteria relative to normal weight folks.
Often, these animals are deliberately inbred; a less diverse population of animals means that data obtained from experiments with these animals will be less noisy and easier to interpret, so fewer animals are needed for meaningful results.
«The findings indicate women with PCOS tend to have less diverse populations of gut bacteria, a trend which appears to be linked to elevated testosterone levels,» said Varykina Thackray, PhD, senior author of the study and associate professor in the Department of Reproductive Medicine at UC San Diego School of Medicine.
Previous studies focused on less diverse populations.

Not exact matches

They compared fecal samples, loaded with gut microbiome members, from three groups: Amazonian hunter - gatherers and Andean farmers, both living in Peru, and an industrialized population in the U.S.. Each group possessed distinct microbiomes with varying types of bacteria, but the American population stood out for having both different and less diverse critters.
Less genetically diverse populations are less able to adapt to changes, such as disease or the changes to their habitat brought about by global warmLess genetically diverse populations are less able to adapt to changes, such as disease or the changes to their habitat brought about by global warmless able to adapt to changes, such as disease or the changes to their habitat brought about by global warming.
John Beddington, professor of population biology at Imperial College, London, says that if fishing continues at today's levels, marine ecosystems will be radically altered, becoming less biologically diverse.
The authors, from 13 institutes on four continents, reasoned that if humans were suffering from malaria when they left the African continent, it should be evident in the genetic makeup of parasite populations in different parts of the world; the theory predicts that parasites farther away from Africa should be less diverse, just as is the case in humans.
Many scientists believe that disease - causing mutations are easier to find in genetically homogenous populations, such as Iceland's, whose genomes have less «noise» than those of more diverse societies.
While isolated colonies of laboratory animals are susceptible to becoming less genetically diverse, Brekke et al.'s findings suggest that diversity is maintained across many different populations.
According to expert at one point in time, our endemic birds had lost much of their population then rose back in numbers, meaning that in the actual the gene pool is less diverse that it used to be, creating a genetic bottle neck.
If they interbreed with the wild fish it can result in a less genetically diverse, and therefore less robust, population.
«More diversity is probably better than less, because a diverse ecosystem is generally more resilient — and diversity in the Western gut is significantly lower than in other, less - industrialized populations,» writes Pollan.
Just as some traits (even metabolic traits) run in families so too will they run in populations, especially within rather small isolated tribal ones (they are less diverse).
As the grades advance, the student population becomes less diverse.
Thirty - two percent of the student population qualifies for free or reduced - price lunch.45 The median family with children earns $ 102,000, around $ 14,000 less than in Montgomery County.46 However, Anne Arundel County is much less racially diverse.
It found that the teacher work force has gotten less ethnically and racially diverse, and more female, compared with student populations.
Not only are American teachers less diverse than the student population they serve, but the teaching profession is also less diverse than the working - age population in the United States.
In other cases where overall performance is at least average, several states with narrower - than - average achievement gaps serve student populations that are less diverse compared to the make - up of the student population nationally.
With a population of less than 1,500 residents, it is known for being small, but also as a diverse community.
In addition, membership in credit unions has become much less restrictive, making them available to a larger and more diverse population.
Researchers are finding that when delicate bacterial populations in microbiomes are reduced or less diverse, the risk of disease rises.
«Strategies to maintain adequate diets need to focus on the most vulnerable countries and populations, and thought must be given to reducing vulnerability to nutrient deficiencies through supporting more diverse and nutritious diets, enriching the nutritional content of staple crops, and breeding crops less sensitive to these CO2 effects,» Dr Myers said.
It is a world with continuously increasing global population, at a rate lower than A2, intermediate levels of economic development, and less rapid and more diverse technological change than in the B1 and A1 storylines.
With a population of less than 1,500 residents, it is known for being small, but also as a diverse community.
Research on meditation in diverse populations of adults has accumulated sufficiently to provide convincing high - level evidence for reproducible benefits of meditation in mental health and pain management.69 — 71 In addition, data suggest that greater levels of mindfulness in adulthood may mitigate some of the negative health effects of adverse childhood experiences.72 The literature in children and youth, however, is less developed and, although suggestive of benefit, is just beginning to emerge.73 — 76 To provide the highest level of available evidence regarding the specific effect (s) attributable to meditation instruction for children and youth, conclusions in this report are based on findings from RCTs with active control conditions.
The study population is mixed and is trending to less diverse as the economy continues to falter among working families.
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