DNA

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DNA:

see nucleic acidnucleic acid,
any of a group of organic substances found in the chromosomes of living cells and viruses that play a central role in the storage and replication of hereditary information and in the expression of this information through protein synthesis.
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DNA (deoxyribonucleic acid)

See GENETICS.

DNA

(biochemistry)

DNA

deoxyribonucleic acid; a nucleic acid that is the main constituent of the chromosomes of all organisms (except some viruses). The DNA molecule consists of two polynucleotide chains in the form of a double helix, containing phosphate and the sugar deoxyribose and linked by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine. DNA is self-replicating, plays a central role in protein synthesis, and is responsible for the transmission of hereditary characteristics from parents to offspring

DNA

(1) See Windows DNA.

(2) (Digital Network Architecture) Introduced in 1978, it was Digital's umbrella term for its enterprise network architecture based on DECnet.
References in periodicals archive ?
This study was carried out in order to establish technical protocols for SMGT for goats and evaluate the possibility of producing transgenic goats by the method of artificial insemination (AI) using sperm cells to integrate the exogenous DNA.
Both sperm donors had a high ability to pick up exogenous DNA and no significant difference was found (64.
The results showed that transgenic goats could be produced efficiently with the method of artificial insemination by the sperm cell integration of the exogenous DNA.
During ICSI process the effects of sperm membrane disruption to permeabilize to exogenous DNA and electrical activation of oocytes on in vitro development and transgenesis in preimplantation ICSI embryos were tested.
This study demonstrated that membrane-disrupted mouse spermatozoa support the genomic integration and subsequent expression of exogenous DNA in developing embryos after ICSI.
The interaction between sperm and exogenous DNA takes place in subacrosomal segment (Lavitrano et al.
The other type of control that is used in quantitative PCBs is an exogenous DNA sequence synthesized in vitro and used in a competitive PCR format (4).