Open main menu
Home
Random
Recent changes
Special pages
Community portal
Preferences
About Wikipedia
Disclaimers
Incubator escapee wiki
Search
User menu
Talk
Dark mode
Contributions
Create account
Log in
Editing
DNA
(section)
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
=== DNA nanotechnology === {{further|DNA nanotechnology}} [[File:DNA nanostructures.png|thumb|upright=1.8|The DNA structure at left (schematic shown) will self-assemble into the structure visualized by [[Atomic force microscope|atomic force microscopy]] at right. [[DNA nanotechnology]] is the field that seeks to design nanoscale structures using the [[molecular recognition]] properties of DNA molecules.<ref>{{cite journal | vauthors = Strong M | title = Protein nanomachines | journal = PLOS Biology | volume = 2 | issue = 3 | pages = E73 | date = March 2004 | pmid = 15024422 | pmc = 368168 | doi = 10.1371/journal.pbio.0020073 | s2cid = 13222080 | doi-access = free }}</ref>]] DNA nanotechnology uses the unique [[molecular recognition]] properties of DNA and other nucleic acids to create self-assembling branched DNA complexes with useful properties.<ref>{{cite journal | vauthors = Rothemund PW | s2cid = 4316391 | title = Folding DNA to create nanoscale shapes and patterns | journal = Nature | volume = 440 | issue = 7082 | pages = 297β302 | date = March 2006 | pmid = 16541064 | doi = 10.1038/nature04586 | bibcode = 2006Natur.440..297R | url = https://authors.library.caltech.edu/22244/3/nature04586-s2.pdf }}</ref> DNA is thus used as a structural material rather than as a carrier of biological information. This has led to the creation of two-dimensional periodic lattices (both tile-based and using the ''[[DNA origami]]'' method) and three-dimensional structures in the shapes of [[Polyhedron|polyhedra]].<ref>{{cite journal | vauthors = Andersen ES, Dong M, Nielsen MM, Jahn K, Subramani R, Mamdouh W, Golas MM, Sander B, Stark H, Oliveira CL, Pedersen JS, Birkedal V, Besenbacher F, Gothelf KV, Kjems J | s2cid = 4430815 | title = Self-assembly of a nanoscale DNA box with a controllable lid | journal = Nature | volume = 459 | issue = 7243 | pages = 73β76 | date = May 2009 | pmid = 19424153 | doi = 10.1038/nature07971 | bibcode = 2009Natur.459...73A | hdl = 11858/00-001M-0000-0010-9362-B | hdl-access = free }}</ref> [[DNA machine|Nanomechanical devices]] and [[DNA computing|algorithmic self-assembly]] have also been demonstrated,<ref>{{cite journal | vauthors = Ishitsuka Y, Ha T | title = DNA nanotechnology: a nanomachine goes live | journal = Nature Nanotechnology | volume = 4 | issue = 5 | pages = 281β82 | date = May 2009 | pmid = 19421208 | doi = 10.1038/nnano.2009.101 | bibcode = 2009NatNa...4..281I }}</ref> and these DNA structures have been used to template the arrangement of other molecules such as [[Colloidal gold|gold nanoparticles]] and [[streptavidin]] proteins.<ref>{{cite journal | vauthors = Aldaye FA, Palmer AL, Sleiman HF | title = Assembling materials with DNA as the guide | journal = Science | volume = 321 | issue = 5897 | pages = 1795β99 | date = September 2008 | pmid = 18818351 | doi = 10.1126/science.1154533 | bibcode = 2008Sci...321.1795A | s2cid = 2755388 }}</ref> DNA and other nucleic acids are the basis of [[aptamers]], synthetic oligonucleotide ligands for specific target molecules used in a range of biotechnology and biomedical applications.<ref>{{cite journal | vauthors = Dunn MR, Jimenez RM, Chaput JC |title=Analysis of aptamer discovery and technology |journal=Nature Reviews Chemistry |date=2017 |volume=1 |issue=10 |doi=10.1038/s41570-017-0076 |url=https://www.nature.com/articles/s41570-017-0076 |access-date=30 June 2022}}</ref>
Edit summary
(Briefly describe your changes)
By publishing changes, you agree to the
Terms of Use
, and you irrevocably agree to release your contribution under the
CC BY-SA 4.0 License
and the
GFDL
. You agree that a hyperlink or URL is sufficient attribution under the Creative Commons license.
Cancel
Editing help
(opens in new window)