| Oct 22, 2022 |
|
(Nanowerk Information) Current research have proven that liquid-liquid part separation – akin to how oil droplets kind in water – results in formation of various kinds of membraneless organelles, resembling stress granules and nucleoli, in residing cells. These organelles, additionally referred to as biomolecular condensates, are liquid droplets performing particular mobile features together with gene regulation and stress response.
|
|
Now, a joint analysis group led by Professor Yongdae Shin and Do-Nyun Kim at Seoul Nationwide College introduced that they harnessed the distinctive properties of the self-assembling DNA molecules to construct artificial condensates with programmable compositions and functionalities (Science Advances, “Engineering DNA-based artificial condensates with programmable materials properties, compositions, and functionalities”).
|
|
The researchers designed DNA scaffolds with motifs for self-association in addition to particular recruitment of DNA targets. In a correct vary of salt focus and temperature, the engineered DNA scaffolds underwent liquid-liquid part separation to kind dense condensates, organized in a extremely comparable method to these in residing cells. The artificial DNA condensates can recruit particular goal DNA molecules, and the researchers demonstrated that the diploma of recruitment will be exactly outlined on the DNA sequence stage.
|
|
They then endowed the artificial condensates with functionalities through the use of DNA computation elements as targets. DNA computing has been extensively carried out for varied bioengineering and medical purposes, because of its intrinsic capability of parallel computation.
|
|
Nonetheless, the sluggish velocity of particular person computation course of has been a serious disadvantage. With the artificial DNA condensates, Shin and his group confirmed that DNA computation together with logic gate operations had been drastically sped up, by greater than tenfold, when coupled to the condensates.
|
|
The structure of DNA scaffolds additionally allowed selective recruitment of particular computing operations amongst many others working in parallel, which enabled a novel kinetics-based gating mechanism. The researchers anticipated that their system could possibly be extensively utilized to various DNA circuits for illness diagnostics, biosensing, and different superior molecular computations.
|
function myScripts() {
// Paste here your scripts that use cookies requiring consent. See examples below
// Google Analytics, you need to change 'UA-00000000-1' to your ID
(function(i,s,o,g,r,a,m))(window,document,'script','//www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-00000000-1', 'auto');
ga('send', 'pageview');
// Facebook Pixel Code, you need to change '000000000000000' to your PixelID
!function(f,b,e,v,n,t,s)
{if(f.fbq)return;n=f.fbq=function(){n.callMethod?
n.callMethod.apply(n,arguments):n.queue.push(arguments)};
if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
n.queue=[];t=b.createElement(e);t.async=!0;
t.src=v;s=b.getElementsByTagName(e)[0];
s.parentNode.insertBefore(t,s)}(window, document,'script',
'https://connect.facebook.net/en_US/fbevents.js');
fbq('init', '000000000000000');
fbq('track', 'PageView');
}
