单词 | transposon |
释义 | transposon[ trans-poh-zon ] / trænsˈpoʊ zɒn / Genetics.a segment of DNA that is capable of inserting copies of itself into other DNA sites within the same cell. Origin of transposonFirst recorded in 1974; transpos(ition) + -on1 Words nearby transposontranspose, transposing instrument, transposition, transposition cipher, transposition of great vessels, transposon, transputer, transpyloric plane, transracial, transrectification, transrectifier Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for transposontransposon / (trænsˈpəʊzɒn) / noungenetics a genetic element that can move from one site in a chromosome to another site in the same or a different chromosome and thus alter the genetic constitution of the organism Word Origin for transposonC20: from transpos (e) + -on Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for transposontransposon [ (trans-poh-zon) ] Segments of DNA that shift from one area of a genome to another. Previously called jumping genes. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for transposontransposon [ trăns-pō′zŏn ] n.A segment of DNA having a repeat of an insertion sequence element at each end as well as genes specific to some other activity such as resistance to antibiotics; it is capable of migrating to a new position within the same or another chromosome, plasmid, or cell and thereby transferring genetic properties. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for transposontransposon [ trăns-pō′zŏn ] A segment of DNA that is capable of independently replicating itself and inserting the copy into a new position within the same or another chromosome or plasmid. Transposons act somewhat similarly to viruses and in humans are an underlying cause of hemophilia, certain cancers, and other diseases. In other organisms, they can become a permanent and even beneficial part of the genome, as in maize corn, where transposons account for half the genome, and certain bacteria, where genes for antibiotic resistance can spread by means of transposons. Also called jumping gene The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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