Sentences with phrase «of microsatellite»

Information on island - mainland comparisons of microsatellite diversity and differentiation was unavailable for island foxes and deer mice.

The use of microsatellite variation to infer population structure and demographic history in a natural model system

For the remaining 14 samples, a match was nearly perfect, with only one or two of the microsatellite markers varying, typically by only one repeat unit, as might be expected through microsatellite instability within a pedigree.

Development of Microsatellite Markers in Autopolyploid Sugarcane and Comparative Analysis of Conserved Microsatellites in Sorghum and Sugarcane, Brandon James, Cuixia Chen, Arthur Rudolph, Kankshita Swaminathan, Jan Murray, Jong - Kuk Na, Ashley Spence, Brandon Smith, Matthew Hudson, Stephen Moose, Ray Ming, Molecular Breeding, doi: 10.1007 / s11032 -011-9651-1, October 14, 2011.

Risk of Microsatellite - Unstable Colorectal Cancer Is Associated Jointly with Smoking and Nonsteroidal Anti-inflammatory Drug Use

Both cancer types demonstrate a high frequency of microsatellite instability, where the repair mechanism for DNA is broken, and mutations in POLE, a gene responsible for producing a protein involved in DNA replication and repair.

The unit provides genetic testing services using a combination of both microsatellite and single nucleotide polymorphism (SNP) panels for characterizing and selecting breeders in a wide variety of inbred mouse strains subsequently used for the generation of congenic animals.

High intake of marine ϖ - 3 polyunsaturated fatty acids (PUFAs) is associated with lower risk of microsatellite instable (MSI) colorectal cancers (CRCs) but not microsatellite stable (MSS) CRCs, according to a new study published March 25 in the JNCI: Journal of the National Cancer Institute.

In order to detect microsatellites commonly present in the two Acropora species used in the study, the researchers used a process called polymerase chain reaction (PCR), using a pair of flanking DNA sequences that extend to either side of the microsatellite region.

However, the development of microsatellite DNA markers remains time consuming, expensive, and labor intensive since the markers are often species specific.

In order to detect microsatellites commonly present in the two Acroporaspecies used in the study, the researchers used a process called polymerase chain reaction (PCR), using a pair of flanking DNA sequences that extend to either side of the microsatellite region.

Both studies highlight the importance of microsatellite length in oncogenic function.

So the Kyoto researchers developed a set of microsatellite markers, short bits of repeated sequences of DNA that tend to evolve very quickly.

Aborted launch of microsatellite this morning is latest failure for nation's space scientists

That's why a particular pattern of microsatellites can profile a particular individual — to show, for instance, as Tyler - Smith and Zerjal had done shortly before embarking on their Central Asian work, that Thomas Jefferson had fathered a son by his slave Sally Hemings and that his Y chromosome had been passed down to a man living in Pennsylvania today.

The Microsatellite Center is a high - throughput genotyping laboratory dedicated to mapping monogenic and especially polygenic factors with linkage analysis by using fluorescent detection of microsatellites.

The beauty of microsatellites is that they mutate frequently and at a steady pace, enabling scientists to infer from them when human populations first diverged from each other.

The researchers identified a clear set of microsatellites specific to each breed.

Interestingly, cats from Flinders and Tasman Islands have close affinity, in terms of microsatellites, with the Cocos Islands.

Not exact matches

Although a variety of molecular methods are still in use, microsatellite DNA markers have become the marker of choice for population studies.

Others, such as a new microsatellite system aiming to improve measurements of hurricane intensity and a highly anticipated new computer simulation that forecasts hurricane paths and intensities, are still in the calibration phase.

By examining bits of DNA called microsatellites, which mutate rapidly, Goossens was able to trace individual genetic differences back to a common ancestor and estimate the size of the orangutan population at different times in the past.

In much the same way that forensic scientists compare DNA samples to catch criminals, the New Mexico researchers compared 619 «microsatellite» positions on genomes, creating a digital evolutionary tree of the groups.

The population - based study of 503 people with colon cancer found that 14 percent of Caucasians and 7 percent of African - Americans had a genetic marker called microsatellite instability, or MSI.

They used sequences of maternally inherited mitochondrial DNA and «microsatellite genotypes,» or DNA profiles, to both describe the genetic differences and outline migratory connections between both breeding and feeding grounds.

For the new study, which is published today in the Proceedings of the Royal Society B, Bowman and his colleagues collected samples from 38 L. mariae palms in Palm Valley and 100 L. rigida palms in the Roper, Nicholson, and Gregory rivers and compared the microsatellite markers.

Extra bases are easily added or lost when the DNA is copied, so the number of repeats in each of these stretches, known as microsatellites, varies widely from one individual to another.

By matching microsatellite lengths found in acorns against those of all the adult trees in the stand, Dow was able to identify the father of each acorn with a high degree of certainty — if the father was present in the stand.

A team of scientists led by Aarhus University mapped the migration patterns, centre of diversity and population structure of this aggressive fungus using microsatellite genotyping of worldwide representative samples.

Funded by the National Zoological Gardens of South Africa, Rufford's Small Grants for Nature, and the National Geographic Society, Parusnath is developing and testing microsatellite markers similar to those used in human parentage tests to establish the genetic relatedness of Sungazers in different populations across the species» distribution.

In the largest study of its kind to date, researchers used mitochondrial DNA microsatellites from skin samples gathered from more than 3,000 individual humpback whales across the Southern Hemisphere and the Arabian Sea to examine how whale populations are related to one another, a question that is difficult to answer with direct observations of whales in their oceanic environment.

A microsatellite is a short, repetitious sequence of DNA — CACACACA, for instance — in which the number of repetitions can change from one generation to the next and often does.

His team sampled 22 bedbug populations from nine states along the U.S. East Coast and examined nine so - called microsatellites, highly variable pieces of DNA that are particularly helpful in understanding genetic differences between populations.

The goal was to see if a mother ship microsatellite could launch smaller daughter ships, with all the satellites capable of sending magnetic field measurements to Earth.

But the chance that a given microsatellite will change from, say, 11 CA (cytosine and adenine) repeats to 12 is on the order of one in a few hundred.

«Our results have revealed and characterized two classes of GGAA - microsatellites that suggest unique interactions and distinct regulatory mechanisms for distance - dependent activation and repressions.

«Two classes of GGAA - microsatellites in a Ewing sarcoma context: Characterization of GGAA - microsatellites provides insight in the role of noncoding DNA in cancer susceptibility and therapeutic development.»

That data revealed two distinct types of GGAA - microsatellites: «promoter - like» (close - range) and «enhancer - like» (long - range).

Further investigation into how EWS / FLI associates with GGAA - microsatellites to drive transcription was the subject of a recent study published in Proceedings of the National Academy of Sciences.

This characterization contributes insight into EWS / FLI transcription factor biology and clarifies the role of GGAA - microsatellites on a global genomic scale.»

According to the study, EWS / FLI binding and gene activation at promoter - like microsatellites is highly dependent on the length of GGAA motifs.

The distance between these neighboring sequences, called primers, differs between each individual coral due to the number of times the microsatellites are repeated, providing valuable information on the relatedness of different individuals.

Another breakthrough came a few years later with the discovery of «microsatellites», short sequences of two to four nucleotides.

Microsatellites are a gene mapper's dream: not only are they repeated different numbers of times in different people, but they are scattered throughout the genome.

After extracting tiny amounts of ancient DNA from the mummies» bones, the researchers amplified 16 short tandem repeats (short sequences in the DNA that create a genetic fingerprint) and eight polymorphic microsatellites (hereditary molecular markers) to testable quantities using techniques commonly employed in criminal or paternity investigations.

In 2017, the U.S. Food and Drug Administration (FDA) approved the cancer drug Keytruda (pembrolizumab) for a range of solid tumors that are either microsatellite instability - high (MSI - H) or mismatch repair deficient (dMMR).

For the study, an international team of researchers based at institutions in Spain, the United States, Canada and Australia used mitochondrial DNA and microsatellite genotypic data to investigate the levels of genetic variation and to reconstruct the history of the invasions.

So the scientists caught blackcaps when the birds returned to Germany in the spring and sequenced short stretches of their genomes called microsatellites.

It's one of the most promising techniques in weather forecasting in a generation, and is already used on government - owned constellations, including the six microsatellites that were launched in the Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC), a joint project between NOAA and Taiwan.

The National Institute of Information and Communications Technology (NICT, President: Hideyuki Tokuda, Ph.D.) developed the world's smallest and lightest quantum - communication transmitter (SOTA) onboard the microsatellite SOCRATES.