Sentences with phrase «dna of organisms»

They also sequenced the DNA of the organisms to estimate the populations» total genetic diversity.
Such wholesale reprogramming would be prohibitively expensive with what he calls the «laborious and outdated» techniques of conventional genetic engineering, which make one alteration at a time to the DNA of organisms.
Now, analyzing the DNA of these organisms, researchers have catalogued more than two dozen strains of bacteria, including a new one they've dubbed Halomonas titanicae.
In genetic modification (or engineering) of food plants, scientists remove one or more genes from the DNA of another organism, such as a bacterium, virus, or other plant or animal, and «recombine» them into the DNA of the plant they want to alter.
Other specialized blood tests that detect DNA of the organism, such as Polymerase Chain Reaction (PCR) a technique used in molecular biology to amplify a single copy or a few copies of a piece of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence and serologythe scientific study or diagnostic examination of blood serum, especially with regard to the response of the immune system to pathogens or introduced substances, are helpful.

Not exact matches

Ultimately, it wants to use the DNA of spiders and other organisms to synthesize high - performance materials.
They're hoping to find out what controls the size of the nucleus, the central compartment of a cell that contains the DNA, and other components of the cell as it develops into a many - celled organism.
For less than $ 100, the new process allows scientists to make some of the key materials needed to modify an organism's entire genome, or it's complete set of DNA, the researchers said.
The commercialization of DNA sequencing (the reading of an organism's code) and synthesis (the writing of that code) has accelerated since the mapping of the human genome was completed in 2003.
The organism's unnatural DNA allows it to make improved forms of natural cancer - fighting proteins, Synthorx says.
The DNA programming required to create life capable of replicating in even the most simple single celled organism is far far more complex than anything mankind has ever built.
No there is a mountain of evidence for evolution: geographic distribution, tree of life, simpler organisms are older, inheritance, DNA, etc. and no evidence for creationism — unless you've seen a woman created from the rib of a man.
chance, Evolution is universally accepted — there is a mountain of proof for it: DNA, geographical distribution, tree of life, more complex organisms are more recent, etc..
According to one of his analogies: just as the sequence of letters on a page is extraneous to the chemistry of ink and paper, so the sequence of nucleic acids in the DNA molecule (which, when translated, determines the shape of an organism and its specific characteristics) is extraneous to the chemical forces operative in the genetic process.
It is far from certain that if scientists succeeded in synthesising all the chemical constituents of an organism or of a piece of DNA they would thereby produce a living thing.
In fact, a computer can construct a tree of life based solely upon the similarities of the DNA sequences of multiple organisms.
What makes DNA do its work is not its chemistry but the order of the bases along the DNA chain: It is this order which is a code to be read out by the developing organism.
Recombinant DNA research has been done primarily on bacteria, one - celled organisms smaller than animal or plant cells and simpler in structure, yet capable of very complex chemical activity.
This technology thus makes it possible to produce not only the recombinant DNA, but also unlimited quantities of new organisms created in the laboratory.
Look at the age of fossilized bones, look at DNA evidence and all the other mountains of evidence about the LONG - TERM DYNAMICS of LIVING ORGANISMS on this planet over the span of BILLIONS of years.
DNA / RNA and proteins are by far the most important components of a living organism, carrying out virtually every function in a cell.
I'll even offer observations - humans have manipulated existing organisms dna, created new virus and bacteria, clone animals, and attempt to create new animals - yet simple minded folks still reject the idea that another more intelligent creature might have done the same thing and created life on earth in the same fashion while at the same time acknowledging that there is a strong likelihood of other life existing in this universe - talk about being dumbed down and arrogant.
In the dominant mechanistic view, the information stored in a DNA molecule was seen as totally determinative of the future development of the organism.
The best known researchers in the field of proto - biology have focused on the currently prevalent apparatus of biological organization and reproduction — the complex networks of DNA, RNAs, and proteins that constitute present - day biological organisms.
Birch and Cobb maintain that the ecological model is more adequate than the mechanical model for explaining DNA, the cell, other biological subject matter (as well as subatomic physics), because it holds that living things behave as they do only in interaction with other things which constitute their environment (LL 83) and because «the constituent elements of the structure at each level (of an organism) operate in patterns of interconnectedness which are not mechanical» (LL 83).
It is less trivial for the DNA molecule and of profound importance for the living organism.
If you claim that as a single cell it has value of a person, then the trillions of single cell organisms you kill every day... they have less value simply because they don't have human DNA?
Evolutionary processes give rise to diversity at every level of biological organisation, including species, individual organisms and molecules such as DNA and proteins.
Every single particle in the universe — and hence every cosmic ray which may initiate a genetic mutation in an organism's DNA — falls under God's control and direction: every mutation, that is, will follow the laws of science and therefore at the very same time fulfil the sustaining intention of the Creator.
The amount of conceptual novelty it can introduce is tiny indeed, and the «cleverest» DNA - molecular - occasion in the world is oblivious of the fact that its aims may have an effect on the welfare of the human «living person» who happens to inhabit the same organism!
I have followed Polanyi's contention that there are organizational principles operative in the universe which formatively influence the specific sequences of nucleic acids in DNA, and with Sheldrake I have postulated the existence of morphogenetic fields which canalize the processes of growth and development in organisms.
A word familiar to all fans of science fiction, mutation refers to any sudden change in DNA — deoxyribonucleic acid, the genetic blueprint for an organism — that creates a change in an organism's appearance, behavior, or health.
Pairing state - of - the - art technology like DNA sequencers and robotic fluid handlers in the lab with Shedd's world - class animal expertise, the lab enables Aquarium researchers to study the countless invisible organisms that co-exist with the 32,000 animals in Shedd's care.
Blasting GM DNA into a plant arbitrarily and out of a sequence of genes that has evolved over hundreds of millions of years, in a manner aimed to optimise the functioning of an organism, is risky and unpredictable, and bound to destabilise the biochemistry of the plant.
«Recombinant DNA technology», «DNA cloning», «molecular cloning» or «gene cloning» all describe the process of transferring a DNA fragment from one organism to a self - replicating genetic element (a cloning vector) such as a bacterial plasmid, enabling the fragment to be propagated in an alien host.
DNA is the molecule that encodes the genetic instructions used in the development and functioning of all known living organisms.
It has already transformed medicine, allowing biologists to sequence the DNA of thousands of organisms and look for genetic clues to health and disease.
These germline, inherited mitochondrial DNA insertions are seen over a wide range of organisms, including humans, plants, yeast, malaria parasites and nematodes.
While all cells in a specific organism share the identical DNA sequence, only a fraction of those genes are activated in a given cell type.
We did a full analysis of Candidatus Desulforudis audaxviator, an organism we found again and again in different mines in South Africa at the greatest depths — never above 2 kilometers (1.2 miles)-- that made up 99.9 percent of the DNA in some of our samples.
A year earlier James Watson and Francis Crick had proposed their double - helix model of DNA, the nucleic acid that conveys genetic information from generation to generation in all organisms except certain viruses.
DISCS of souped - up filter paper embedded with DNA from jellyfish and other organisms could change how we diagnose infections.
Later, the organisms would have «learned» to make DNA, gaining the advantage of possessing a more robust carrier of genetic information.
Such stretches of DNA point to genetic regions that are critical to a species» survival and development, as these regions are the product of «selective sweeps» in which all or most organisms in a geographic location come to depend on a certain genetic trait.
However, in some spots, an organism may have long strips of identical DNA in both copies of a gene.
For decades much of the bacterial DNA found in complex organisms during genome mapping was thought to be due to contamination, and many results were tossed out on that basis.
Their work has made it increasingly clear that for all the popular attention devoted to genome - sequencing projects, the epigenome is just as critical as DNA to the healthy development of organisms, humans included.
Despite sifting aggressively through Neanderthal fossils, scientists had managed to unearth only bits of mitochondrial DNA, secondary genetic blueprints that describe the energy - producing units of cells but not the entire organism.
But something did change about 800 million years ago, and cyanobacteria and other minute organisms in continental margin ecosystems got more phosphorus, the backbone of DNA and RNA, and a main actor in cell metabolism.
That means that of all the possible sequences of the four DNA letters — A, T, C, and G — only a very small subset is represented by the genomes of real organisms.
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