conjugation

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conjugation

 [kon″joo͡-ga´shun]
a joining. In unicellular organisms, a form of sexual reproduction in which two individuals join in temporary union to transfer genetic material. In biochemistry, the joining of a toxic substance with some natural substance of the body to form a detoxified product for elimination from the body.

con·ju·ga·tion

(kon'jŭ-gā'shŭn),
1. The union of two unicellular organisms or of the male and female gametes of multicellular forms followed by partition of the chromatin and the production of two new cells.
2. Bacterial conjugation, effected by simple contact, usually by means of specialized pili through which transfer genes and other genes of the plasmid are transferred to recipient bacteria.
3. Sexual reproduction among protozoan ciliates, during which two individuals of appropriate mating types fuse along part of their lengths; their macronuclei degenerate and the micronuclei in each macronucleus divide several times (including a meiotic division); one of the resulting haploid pronuclei passes from each conjugant into the other and fuses with the remaining haploid nucleus in each conjugant; the organisms then separate (becoming exconjugants), undergo nuclear reorganization, and subsequently divide by asexual mitosis.
4. The combination, especially in the liver, of certain toxic substances formed in the intestine, drugs, or steroid hormones with glucuronic or sulfuric acid; a means by which the biologic activity of certain chemical substances is terminated and the substances made ready for excretion.
5. The formation of glycyl or tauryl derivatives of the bile acids.
6. An alternating sequence of multiple and single chemical bonds in a chemical compound in which there is some delocalization of π-electrons.
7. The joining together of two compounds.
[L. con-jugo, pp. -jugatus, to join together]

conjugation

/con·ju·ga·tion/ (kon″jdbobr-ga´shun)
1. the act of joining together.
2. in unicellular organisms, a form of sexual reproduction in which two cells join in temporary union to transfer genetic material.
3. in chemistry, the joining together of two compounds to produce another compound.

conjugation

(kŏn′jə-gā′shən)
n.
1.
a. The act of conjugating.
b. The state of being conjugated.
2. Biology
a. The temporary union of two bacterial cells during which one cell transfers part or all of its genome to the other.
b. A process of sexual reproduction in which ciliate protozoans of the same species temporarily couple and exchange genetic material.
c. A process of sexual reproduction in certain algae and fungi in which temporary or permanent fusion occurs, resulting in the union of the male and female gametes.

con′ju·ga′tion·al adj.
con′ju·ga′tion·al·ly adv.

conjugation

[kon′jəgā′shən]
1 (in biology) an exchange or transfer of genetic information between two individuals in certain types of unicellular organisms, including bacteria and some protozoa. In Paramecium, for example, both partners swap micronuclear material. The exchanged material is incorporated and passed on to progeny after replication.
2 (in chemistry) a network of atoms connected together by alternating single and double bonds.

conjugation

The act of being joined together or conjugated

con·ju·ga·tion

(kon'jŭ-gā'shŭn)
1. Union of two unicellular organisms or of the male and female gametes of multicellular forms followed by partition of the chromatin and the production of two new cells.
2. Bacterial conjugation, effected by simple contact, through which transfer genes and other genes of the plasmid are transferred to recipient bacteria through pili.
3. Sexual reproduction among protozoan ciliates, during which two individuals of appropriate mating types fuse along part of their lengths; their macronuclei degenerate and the micronuclei in each macronucleus divide several times (including a meiotic division); one of the resulting haploid pronuclei passes from each conjugant into the other and fuses with the remaining haploid nucleus in each conjugant; the organisms then separate (becoming exconjugants), undergo nuclear reorganization, and subsequently divide by asexual mitosis.
4. The combination, especially in the liver, of certain toxic substances formed in the intestine, drugs, or steroid hormones with glucuronic or sulfuric acid; a means by which the biologic activity of certain chemical substances is terminated and the substances made ready for excretion.
5. The formation of glycyl or tauryl derivatives of the bile acids.
[L.con-jugo, pp. -jugatus, to join together]

conjugation

1. Chemical combination or linkage of chemical groups to organic molecules, often to produce a water-soluble form and allow more ready excretion.
2. The exchange of genetic material between paired single-cell organisms, such as bacteria.

conjugation

a method of sexual reproduction involving the fusion of similar GAMETES which are not freed from the parent forms, as in ciliates where two individuals fuse together, exchange micronuclear material, and then separate. Conjugation also occurs in some algae, e.g. Spirogyra and fungi, e.g. Mucor. The transfer of genetic material between bacterial cells in which the DONORS and recipients come into physical contact is also regarded as conjugation. see CONJUGATIVE PLASMID, SEX PILUS.

conjugation

union of two unicellular organisms, or male and female gametes with exchange of genetic material

conjugation

hepatic detoxification of drugs, to form a harmless or inactive product

con·ju·ga·tion

(kon'jŭ-gā'shŭn)
1. An alternating sequence of multiple and single chemical bonds in a chemical compound.
2. Joiningtogether of two compounds.
[L. con-jugo, pp. -jugatus, to join together]

conjugation (kon´jəgā´shən),

n in biochemistry, the union of a drug or toxic substance with a normal constituent of the body, such as glucuronic acid, to form an inactive product that is then eliminated.

conjugation

a joining. In unicellular organisms, a form of sexual reproduction in which two individuals join in temporary union to transfer genetic material. In biochemistry, the joining of a toxic substance with some natural substance of the body to form a detoxified product for elimination from the body.
References in periodicals archive ?
In particular, she chooses three areas in which the code had a direct effect on conjugal life: the choice of domicile, the control of family finances, and the administration of the patrimony.
She does so with chapters on sutlers and other contractors, wives and children of combatants (the conjugal family), servants, slaves, and volunteers (the extended family), and civilian and military personnel who performed staff functions ranging from the supply of food, clothing, and transportation to the provision of medical and hospital care.
Rehman said that he would move the court to assert his conjugal rights.
All love is a giving of oneself to some degree or another, but conjugal love is unique in that it is a love that is necessarily exclusive.
Prisoner rights groups say conjugal visits foster good prison behavior.
Since her conjugal bliss had been a conjugal miss, Charlotte joined her pals in LA and soon they were all partying with Playboy magnate Hugh Hefner.
Despite their exclusion from its military role, women were allowed varied forms of association, either in communities of freilas of the order or living with their husbands under a vow of conjugal chastity.
Melbourne, June 8 (ANI): The Australian Capital Territory (ACT) has allowed well-behaved prisoners to receive conjugal visits, becoming the second jurisdiction in the country to allow such visits from partners.
3) Inmates who participate in conjugal visits will be less likely to participate in homosexual activities while incarcerated.
The low moral and religious ethics and the non-existence of special places for private conjugal visits thus depriving married inmates from intimate moments with their wives often result in prisoners engaging in ominous sexual deviations," Lamees Dhaif yesterday told Gulf News.
Homologous IVF is forbidden because "the moral relevance of the link between the meanings of the conjugal act and between the goods of marriage, as well as the unity of the human being and the dignity of his origin, demand that procreation of a human person be brought about as the fruit of the conjugal act specific to love between the spouses.
PRISONERS serving life sentences should be allowed conjugal rights, it was claimed yesterday.