Conjugation, in biology, sexual process in which two lower organisms of the same species, such as bacteria, protozoans, and some algae and fungi, exchange nuclear material during a temporary union (e.g., ciliated protozoans), completely transfer one organism’s contents to the other organism (bacteria and some algae), or fuse together to form one organism (most bacteria and fungi and some algae). Conjugation of single-stranded DNA drives horizontal gene transfer between bacteria and was widely studied in conjugative plasmids. The organization and function of integrative and conjugative ... Conjugation definition: Conjugation is the changing of a verb’s form to express a different person, number, tense, aspect, or gender. What is Conjugation? In order to communicate in more than one tone, verbs must be conjugated. To conjugate something is to change a verb’s form to express a different meaning. Conjugation occurs in and between many species of bacteria, including Gram-negative as well as Gram-positive bacteria, and even occurs between bacteria and plants. Broad-host-range conjugative plasmids have been used in molecular biology to introduce recombinant genes into bacterial species that are refractory to routine transformation or ... Transduction, transformation, conjugation, transposable elements. Google Classroom Facebook Twitter. Email. Mutations. An introduction to genetic mutations. Mutagens and carcinogens. The effects of mutations. Impact of mutations on translation into amino acids. Mutation as a source of variation. Conjugation is a form of horizontal gene transfer (HGT) given that it involves the transfer of genetic material between bacteria (and even between bacteria and other organisms). As compared to asexual reproduction through binary fission etc, conjugation allows for genetic material to not only be transferred between members of the same species ... The process of conjugation can transfer DNA regions of hundreds to thousands of kilobases and has the broadest host range for DNA transfer among the methods for bacterial exchange. Conjugation occurs in and between many species of bacteria, including Gram-negative as well as Gram-positive bacteria , and even occurs between bacteria and plants. Bacterial conjugation is one of the three major known modes of genetic exchange between bacteria, the other two being transduction and bacterial transformation. Of these three modes, conjugation is the only one that involves cell-to-cell contact. J. Lederberg and E. L. Tatum first reported such transfer in 1946 in Escherichia coli. The ... E.A. Raleigh, K.B. Low, in Brenner's Encyclopedia of Genetics (Second Edition), 2013 Bacterial Conjugation. Bacterial conjugation is one of the three major known modes of genetic exchange between bacteria, the other two being transduction and bacterial transformation. Of these three modes, conjugation is the only one that involves cell-to-cell contact. J. Key Terms. lytic cycle: The normal process of viral reproduction involving penetration of the cell membrane, nucleic acid synthesis, and lysis of the host cell.; lysogenic cycle: A form of viral reproduction involving the fusion of the nucleic acid of a bacteriophage with that of a host, followed by proliferation of the resulting prophage.; transduction: Transduction is the process by which ...
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