Sentences with phrase «gene fragments»

"Gene fragments" refer to small sections or pieces of genes. They are segments of genetic material that have been broken apart or cut from a larger gene. Full definition
Similar to a key that fits a lock, the scissors only fit a specific pattern of gene fragments that may serve as a genetic fingerprint for the species searched.
At the time, George had begun collaborating with molecular biologist Allan Wilson, a colleague at Berkeley who had just cloned gene fragments from the 140 - year - old pelt of a quagga, an extinct brown - and - white - striped zebra relative.
The bacterial expression vector pGEX - 5 × -1 / Sp1 was constructed by introducing an EcoRI / XhoI — treated Sp1 gene fragment into EcoRI / XhoI — treated pGEX - 5 × -1 vector.
1984: Allan Wilson and Russ Higuchi clone gene fragments from 140 - year - old quagga pelt, proving DNA in nonliving tissue can be reproduced.
Next, they put the samples into an instrument called a DNA sequencer — which automatically analyzes genetic material — to read short viral gene fragments millions or even billions of times.
The Human Genome Organisation, which aims to coordinate research on gene mapping worldwide, has condemned the patenting of gene fragments as a hindrance to research (This Week, 18 January).
Hendrik recovered several short gene fragments, which represented just one - ten - thousandth of 1 percent of the bee's total genetic information.With George as a co-author, it was Hendrik's first scientific paper, published in Medical Science Research in 1992.
As a first step in addressing this issue, we prepared and analyzed a mock DNA community composed of ten bacterial plasmids encoding near full length 16S rRNA gene fragments.
Our findings attest to the value of a time ‐ series approach, as the shifts in population dynamics of clones harboring different gene fragments would not have been discovered if we had only obtained endpoint data.
While ESTs themselves are only gene fragments, the patent application claimed not only the identified ESTs, but also the genes that they «tag.»
They checked that the viral gene fragments in the child and mother were a close match, and double - checked that the samples of blood cells from the child were his and no one else's, by matching them genetically with the mother.
To find the right one, research director Edwina Cornish and her colleagues painstakingly extracted one P450 - producing gene fragment after another and transferred the most promising ones to petunias lacking the gene.
The test can detect «as few as 10 tiger cytochrome b gene fragments, considerably fewer than are present in a single cell,» says Wetton.
During the 1990s, a team led by Jeffery Taubenberger at the Armed Forces Institute of Pathology in Washington, D.C., sequenced key gene fragments of the 1918 flu strain, recovered from frozen victims found in the Alaskan permafrost and in archived autopsy material.
They are encoded by hundreds of scattered gene fragments, which can be combined in mlllions or blllions of ways
In an e-mail to ScienceInsider, Yang Bicheng, director of BGI's marketing department, wrote that one gene fragment appears to have come from another food - borne pathogen, Salmonella enterica, while other genes are highly homologous to those found in other, phylogenetically distinct E. coli strains, including a strain called O25: H4 - ST131.
It is noteworthy that, in our initial virus gene amplification screening, a hypothesis for PCR primer design, based on an early report that EEEV causes egg - drop in turkey [12], helped us have obtained BYDV gene fragments.
Initially we attempted to randomly amplify viral gene fragments by the random priming method [30] but failed to recover anything.
To test for Plasmodium falciparum DNA, PCR primers were designed that specifically amplify small subtelomeric variable open reading frame (STEVOR), apical membrane antigen 1 (AMA1), and merozoite surface protein 1 (MSP1) gene fragments with sizes of 100 to 250 base pairs (bp).
Brand new items in the Battle of Honor shop including a Bell Gene Fragment to get a new hero Bell, and an exclusive Bell costume;
In the 1980s, molecular biologist Allan Wilson of Berkeley managed to clone gene fragments from the 140 - year - old pelt of a quagga, an extinct brown - and - white - striped relative of the zebra.
Sequencing of the 16S rRNA gene fragments was performed on an ABI Prism 377 automated sequencer (Genomics Research Laboratory at North Carolina State University) with the BigDye Terminator v3.1 Cycle Sequencing Reaction kit (Applied Biosystems).
Yet to virologists like Prangishvili and Villarreal, the concept of viruses as the primordial soup's first built - in stirrers seems to align perfectly with their nature: high creative replication, genetic reproduction, and sorting of gene fragments, not to mention their eerie biochemical straddle between life and non life.
DNA barcoding uses a short gene fragment that differs in almost all species worldwide.
Cutting - and - pasting the rat version of this gene fragment into the squirrel gene led to a protein that was once again cold - sensitive.
But when they tested the boy again at 12 months, all traces of both the protein and the gene fragments had gone, and the child had no antibodies to HIV.
That team did find remnants of chloroplast genes, but those gene fragments belonged to the vine that this parasitic plant lives off.
But it was still quite different from the gene fragments of Asian, African, and European humans, which were all very similar to one another.
Although incomplete, the working draft pinpoints some 50,000 genes and about 25,000 gene fragments, says molecular biologist Gregory Mahairas of the University of Washington, Seattle, who with Leroy Hood, president of the Institute for Systems Biology in Seattle, sequenced the rice genome for Monsanto.
Its Italian counterpart has condemned the patenting of gene fragments «of unknown function», and the Italian senate is believed to have instructed publicly funded laboratories not to send data to the database.
After growing the bacteria in their labs, the researchers sequenced seven gene fragments from the DNA of the bacteria.
This mix - up makes it difficult to classify some gene fragments as belonging to a particular species.
PhoR, Trg, and EnvZ genes or gene fragments were amplified by PCR from E. coli.
They started with the AAV9 virus and modified a gene fragment that codes for a small loop on the surface of the capsid — the protein shell of the virus that envelops all of the virus» genetic material.
L - gene fragments of all 28 paramyxovirus strains tested in this experiment were amplified, including members of the Avula -, Morbilli -, Respiro -, Rubula -, Pneumo - and Metapneumovirus genera.
o Players will have double boost available, including EXP, Gold and Genes (gene fragment) in various maps each day;
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