Definition of Cistron

1. Noun. (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity. "Genes were formerly called factors"

Definition of Cistron

1. Noun. Sometimes used interchangeably with the word gene, a cistron is the unit of hereditary material (e.g. DNA) that encodes one protein. ¹

¹ Source:

Definition of Cistron

1. a segment of DNA [n -S]

Medical Definition of Cistron

1. A genetic element defined by means of the cis trans complementation test for functional allelism, broadly equivalent to the sequence of DNA that codes for one polypeptide chain, including adjacent control regions. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Cistron Pictures

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Lexicographical Neighbors of Cistron

cisterna magna
cisterna perilymphatica
cisterna pontis
cisterna superioris
cisterna venae magnae cerebri
cisternae subarachnoideales
cisternal maturation model
cisternal puncture
cistron (current term)

Literary usage of Cistron

Below you will find example usage of this term as found in modern and/or classical literature:

1. Dwarf Mistletoes: Biology, Pathology, and Systematics by Frank G. Hawksworth, Delbert Wiens (1998)
"This cistron is tandemly repeated several hundred to several thousand times in ... Within the cistron, ribosomal genes and spacers show markedly different ..."

2. Science by American Association for the Advancement of Science (1883)
"... in another cistron (63). The parent virus and the first of the ts mutants (ts-1) were compared for in vivo growth properties in 3-week-old hamsters. ..."

3. Viral Resistance in Plants/Viral Coat Proteins: Bibliography-January 91-July 96 by Raymond Dobert (1996)
"P62 Evidence for sense RNA-mediated protection to PVY(N) in tobacco plants transformed with the viral coat protein cistron. Vlugt, RAA vd; Ruiter, RK; ..."

4. Biotechnology: Ti-Plasmids and Other Plan Vectors: Bibliography January 1993 by Raymond Dobert (1996)
"... cDNAs corresponding to the plum pox virus (PPV) cistron 2 encoding helper component (НС-Pro) and with the first two and half cistrons of the PPV genome. ..."

5. Catalyzing Inquiry at the Interface of Computing And Biology by John C. Wooley, Herbert Lin (2005)
"... others use the classical definitions of cistron and genetic complementation." • Evolving scientific understandings may drive changes in terminology. ..."

6. Biotechnology in a Global Economy by DIANE Publishing Company (1992)
"... agreements with several small firms, including American Bionetics, Applied Bio- Technology, BioTechnology General Corp., Cellular Products, cistron, ..."

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