Sentences with phrase «in all species examined»

These phenotypes differ from the sex - biased infertility of Boule mutations in all species examined, and the gametogenesis defects in Boule mutants are much less variable than those from either Vasa or Piwi mutants across species [21]--[23], [61], [78], [79].
We found that BOULE homologs are present in the genomes of representative species of each of the major lineages of metazoans and exhibit reproductive - specific expression in all species examined, with a preponderance of male - biased expression.

Not exact matches

Since 1960 over two hundred books and countless reports have examined either single congregations or their species, and any new work such as mine gratefully follows the tracks that many sorts of explorers — consultants, management specialists, sociologists, psychologists, ethnographers, historians, and others — have already laid down.1 Prior to 1960 the investigation of the local church was more occasional, and except for a few books written to enliven parish programs2 and the pioneering sociology of H. Paul Douglass, 3 the analysis occurred primarily in Europe.4
Two agencies are now involved in updating oil - spill response plans for the Hudson River — and examining potential effects on endangered species.
Dr. Issa's team made their discovery after first examining methylation patterns on DNA in blood collected from individuals of different ages for each of three species — mouse, monkey, and human.
Similarly, if you wanted to study environmental factors that influence sleep, you could examine sleeping patterns of different species in the wild and attempt to relate them to differences in temperature, photoperiod, or other factors.
First, you could examine humans and various species of animals in various social contexts.
The scientists compared the genetic sequence of five related strains of the species, looking for orphan genes and examining the life cycles of the various genes in the fly genome.
His research group at Purdue examines how ecosystems and plant communities, in particular invasive species, interact with changes in the climate and atmosphere.
«The potential for the organisms to evolve in response to a rapidly changing environment is often downplayed, even though very few studies have examined the extent to which species might adapt,» said Michael Logan, who recently received a Ph.D. from Dartmouth College and is now a postdoctoral fellow at the National Science Foundation.
«In the Cretaceous amber we examine, the ants and termites represent the earliest branches of each evolutionary tree, and the species are wildly different from what their modern relatives look like today,» said co-author Phillip Barden, a recent graduate of the comparative biology doctoral program at the Museum's Richard Gilder Graduate School and a National Science Foundation Postdoctoral Fellow at Rutgers University.
As the researchers highlight in their paper, the species examined in the study are considered as weeds or pests in many regions of the world.
Here the degree of aggregation in the distribution of 1768 tree species is examined based on the average density of conspecific trees in circular neighborhoods around each tree.
The authors examined the effects of climate change on more than a thousand species, including those that live on reefs and those that live in open - water habitats.
«Previous studies of the impacts of drought on flowers and bees have looked at individual species, often in the laboratory, but we used an experiment with rain shelters to examine the effects on real communities of plant species living in chalk grassland,» said Dr Ellen Fry from the University of Manchester, who set up the experiment.
A study by Isabel Schmidt, for instance, an ecologist at the University of Brasília, examined what time of year different species release their nearly microscopic seeds in order to identify which species are most impacted by harvesting.
Her current work examines which bee species are most vulnerable to human disturbance, and explores in more detail whether both rare native bees and efficient pollination services can be restored by increasing the diversity of flowering plants.
In the lab, the team examined the effect that high CO2 had on the behavior of two species of water fleas, or pinhead - sized lake dwellers also known as Daphnia.
Leendertz and his team examined samples from bones and carcasses from at least 20 different species, collected in the forest over almost 26 years.
Numerous fossilized species were examined in the study — from the earliest amphibians to the largest herbivorous dinosaurs and mammoths.
Because the future composition of shrub lands and the distribution of shrub species in the Sierra Nevada is unknown, the researchers examined stream flows under multiple possible scenarios of vegetation - type conversion in two Sierra Nevada watersheds.
Doak and other scientists examining how various species age have discovered that in some cases, they simply don't.
The researchers looked at past associations between the threat of extinction and the ecological traits like species habitat zone, and examined the same associations in modern marine animals.
In the 8 January issue of Nature, a team of researchers concludes that if climate warming proceeds unchecked, 15 % to 37 % of the 1103 plant and animal species they examined will disappear by 2050.
In order to examine parasite infections also in the wolf's large prey species, the team collected internal organs of shot prey animals from hunting partieIn order to examine parasite infections also in the wolf's large prey species, the team collected internal organs of shot prey animals from hunting partiein the wolf's large prey species, the team collected internal organs of shot prey animals from hunting parties.
Almost 80 percent of the communities the team examined showed substantial changes in species composition, averaging about 10 percent change per decade — significantly higher than the rate of change predicted by models.
In 2008 and 2009, four species of coral guard - crabs known to protect coral from predator sea stars were studied in a series of experiments to examine the effectiveness of different species and various sizes of crabs at repelling multiple corallivoreIn 2008 and 2009, four species of coral guard - crabs known to protect coral from predator sea stars were studied in a series of experiments to examine the effectiveness of different species and various sizes of crabs at repelling multiple corallivorein a series of experiments to examine the effectiveness of different species and various sizes of crabs at repelling multiple corallivores.
Doctors currently gauge the antibiotic susceptibility of an infecting bacterial species by examining it in isolation from other species.
UChicago scientists examined how species (including these colorful marine bivalves) are lost in mass extinctions compared to environmental changes between the tropics and the poles.
Study authors began re-thinking the alligator's evolutionary history after Whiting examined an ancient alligator skull, originally thought to be an extinct species, unearthed in Marion County, Florida, and found it to be virtually identical to the iconic modern species.
A team of evolutionary biologists, led by Keith Barker of the University of Minnesota, examined two slowly evolving genes in 144 bird species among 44 families.
«In natural hybrid zones, we find natural species complexes and can examine their genetic constitution,» says Stöck.
According to James Hanken, a biologist at Harvard University who heads a task force on declining amphibian populations, «at least one - third to one - half of all living species of amphibian that have been examined in this regard are on their way down, and out.»
Future spaceflight experiments that examine a variety of other bacterial species under differing growth conditions could help explain changes in bacterial growth and virulence that could significantly affect people living in space.
But for two species of tardigrade whose genomes were examined in the new study — Hypsibius dujardini and Ramazzottius varieornatus — a lack of water isn't fatal.
In this lucid road map for the nascent discipline of «de-extinction,» Shapiro, an evolutionary biologist, examines not only how we can resurrect long - vanished species but also when we can not or should not.
But to track snowfall in higher elevations, the scientists examined rings from subalpine larch, mountain hemlock and subalpine fir trees — species whose growth is retarded by snowfall.
In 2004, Şekercioğlu published a study examining the respective extinction risks of all bird species throughout the world.
«Prior to the last Ice Age, there was a clear distinction in the isotope values for all three species; after this period, there is a clear overlap — and this suggests that the habitat of deer species had shrunk or there was and overlap in the diets of the different deer species,» says Dorothée Drucker from the Biogeology department, who examined the collagen.
In future studies, Datta and his team will examine whether MS4A proteins act as a primordial odor receptor across species.
He, along with fellow biomechanist Theodore Uyeno from Valdosta State University in Georgia and their students, have independently examined and described the loose skin of several of the 80 species of hagfish.
So if we reach our target, but you are interested in supporting our research, PLEASE do not hesitate - the more funding we receive, the better job we can do to examine as many candidate species as possible.
In the 1920s, Beadle examined chromosomes in teosinte - corn hybrids and concluded that the two plants belonged to the same species, and even shared the same chromosomal order of geneIn the 1920s, Beadle examined chromosomes in teosinte - corn hybrids and concluded that the two plants belonged to the same species, and even shared the same chromosomal order of genein teosinte - corn hybrids and concluded that the two plants belonged to the same species, and even shared the same chromosomal order of genes.
Many of the bat species that occupy the examined tree hollows during the day forage outside of the forest, for example in pastures.
New research examines how vertebrate species in the eastern United States ranging from snakes to mammals to birds responded to climate change over the last 500,000 years.
In greenhouse experiments, the characteristics of the different plant species are closely examined.
The researchers now plan to examine skeletal construction in other species of sponges.
Bishop and colleagues examined locomotion in 12 species of ground - dwelling birds, ranging in body mass from 45g to 80 kg, as the birds moved at various speeds along enclosed racetracks while cameras recorded their movements and forceplates measured the forces their feet exerted upon the ground.
In this method, the sequence of a particular DNA section is used to clearly identify the species to be examined.
In future work, the researchers hope to examine individual species to determine which ones are most likely to struggle with the changing climate, and which areas of the country are likely to be most impacted by conflicts between humans and relocating animals.
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