Sentences with phrase «as extracting dna»

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Males were more likely to die in natural traps such as tar pits, ice lakes, mudflows, and bogs, according to a new study in Current Biology of DNA extracted from 98 fossilized woolly mammoths found across the Siberian landscape.

They drilled into a hominin thigh bone from the cave and extracted 1.95 grams of material, processed it for DNA, and filtered out a large amount of modern human DNA — the bones had been heavily contaminated as they were removed and handled.

That casts serious doubts on the original reports, as well as a 1993 claim by scientists at California State Polytechnic University who said they had extracted DNA from a 125 million year old Jurassic Park - age weevil.

Using genetic material extracted from lemur bones and teeth dating back 550 to 5,600 years, an international team of researchers analyzed DNA from as many as 23 individuals from each of five extinct lemur species that died out after human arrival.

Genetic studies such as this one may help anthropologists understand those migrations — and their timing — even better by giving them a genetic «clock» to use when studying today's humans, or potentially DNA extracted from ancient bones.

In addition to collecting DNA from hundreds of modern wolves as well as mutts and purebred dogs, the dual - origin researchers extracted DNA from dozens of ancient dogs, including a particularly high - value sample from a 4,800 - year - old animal unearthed in Newgrange, Ireland.

«We collected a liter of water, which meant we could extract DNA from a staggering number of species, from aquatic insects, such as mayflies, to the beaver who lives further upstream,» explains study coordinator Altermatt.

The team from Trinity College Dublin were responsible for extracting DNA from the remains, which were found in a cave known as Devil's Gate.

Haskell is one of hundreds of thousands who have had their DNA extracted as part of an enormous expansion of what were once categorized as criminal data banks.

Today, as soon as Anderson sends Baker a bone, she begins the arduous process of extracting DNA.

The technique is central to the human genome project — the drive to map and decode human DNA — as well as for forensics, where unique patterns of DNA fragments extracted from blood or semen are used to link suspects with the crime scene.

«Our technique could potentially be applied to any genome of any cell type from any organism as long as genomic DNA can be extracted from it,» he added.

There will be areas within the building where visitors will be able to conduct their own experiments, such as extracting their own DNA, and a discovery area aimed at children aged 5 to 12.

Techniques to extract and analyse ancient DNA have undergone a tremendous improvement in recent years and as these technologies continue to improve we can expect further breakthroughs.

Their findings, which are published on today's issue of the Proceedings of the National Academy of Sciences (PNAS), come from an analysis of DNA extracted from goat mitochondriasmall organelles that work as cellular power plants.

As a result some of the products yielded two difference sequences, each from DNA extracts taken from the same sample product.

But, as Jennifer Hoyal - Cuthill, who studies rangeomorphs at the University of Cambridge, points out, getting hold of Dendrogramma DNA is at least possible: extracting DNA from 500 - million - year - old Ediacaran fossils is not.

They use the extracted DNA as a template in 2 separate PCR reactions run under the same conditions.

Total RNA from Cellartis enhanced hiPS - HEP cells from C12, C18, and C22 (n = 2 batches per cell line) was extracted on Day 13 post-thawing as well as from hphep cells (n = 3 donors) Day 1 post-thawing using the GenElute RNA / DNA / Protein Plus Purification Kit (Sigma Aldrich).

Nature Reviews Microbiology defines metagenomics as â $ œgenomic analysis of microbial DNA that is extracted directly from communities in environmental samples.â $

The team developed a new technique to extract the parasite DNA directly from blood removing as much human DNA from the sample as possible.

The primary component is polyacrylamide, known for its use in soft contact lenses and as the electrophoresis gel that separates DNA fragments in biology labs; the second component is alginate, a seaweed extract that is frequently used to thicken food.

DNA was also extracted from tissue samples of heart, skin, and those indicated as possessing inflammation in the histopathology report.

Mitochondrial DNA was extracted from one of the Cheddar Man's teeth, as well as from another 12,000 year old tooth found in the cave.

Genomic DNA of various tissues and organs were extracted and analyzed by genomic PCR with virus primers as shown in supporting information Table S1.

Ranging from giving children the chance to extract their own DNA to characterising the proteins of an enzyme, trying their hand as a formulation scientist and even working through crime scene forensics, the experiments have been designed to help give students insight into how science is used in everyday life.

But in general, instruction is both lively and practical, such as in one classroom where a biology teacher, donning a lab coat, leads a lab on extracting DNA from strawberries, or a ninth - grade math class in which a teacher integrates a Texas Instruments navigator system into every part of her lesson; she has her class turn assignments in via a graphing calculator and checks for comprehension with every student in real time.

DNA was extracted and analyzed by qPCR for selected bacterial groups and data expressed as Dysbiosis Index (as previously reported).

The organism was identified as Nocardia abscessus (formerly Nocardia asteroides type 1) based on 16S ribosomal DNA sequencing of samples extracted from cultures and unstained cytologic smears.

The quality of extracted DNA, as indicated by the value of A260 / A280 ratio, will be determined by using the NanoDrop 2000c spectrophotometer (Thermo Scientific).