দৈনিক যশোর এক্সপ্রেস তাজা খবরের সন্ধানে
DNA microarray technology is along with making it possible for boffins to research the game in different phone types of thousands of genetics in one big date, a progress that will help boffins determine the latest advanced practical relationship available ranging from private genetics
In the last 50 years, although not, starting with the new finding of your own construction from DNA and you may accelerating somewhat to the development of recombinant DNA approaches to new mid-seventies, an ever growing power supply off unit procedure makes direct examination of individual DNA a real possibility. Secret of those process is actually maximum investigation and molecular recombination, that allow boffins to chop and you may rejoin DNA particles for the very certain and you can foreseeable indicates; amplification techniques, like the polymerase strings impulse (PCR), that make it you are able to making endless duplicates of any fragment out-of DNA; hybridization procedure, such as for example fluorescence when you look at the situ hybridization, which permit boffins examine DNA products out of other sources and to acquire certain base sequences in this samples; together with automatic sequencing processes one to now was making it possible for gurus so you’re able to succession the human being genome at the an unprecedented speed.
On the instant views was way more strong techniques, procedure one scientists anticipate gets a formidable effect on the way forward for one another lookup and you can scientific genes. One technique, DNA processor technical (also called DNA microarray technology), is a significant new unit made to identify mutations inside the genetics otherwise survey phrase out-of many genetics in one experiment.
The latest DNA microchip contains a tiny cup plate encased inside vinyl. It is are formulated playing with something similar to the process made use of making pc microchips. Into their epidermis, it includes synthetic solitary-stranded DNA sequences just like regarding the typical gene and you can all of the you’ll be able to mutations of the gene. To choose if one possesses a good mutation from the gene, a scientist earliest gets a sample out-of DNA from the individuals bloodstream, including a sample off DNA that does not consist of good mutation in this gene. Immediately following denaturing, otherwise ples towards single strands and you may cutting them with the faster, a lot more in balance fragments, the brand new scientist names new fragments that have neon dyes: the individual’s DNA that have red color therefore the typical DNA that have green color. Both sets of labeled DNA are allowed to hybridize, or join, towards the man-made DNA on processor chip. In case your individual doesn’t have a great mutation about gene, one another DNA trials usually hybridize equivalently for the processor therefore the processor chip will look uniformly red-colored. But not, in the event your individual really does provides a mutation, brand new mutant sequence on the chip tend to hybridize on the patient’s attempt, yet not for the regular DNA, ultimately causing it (the fresh chip) to appear yellow for the reason that urban area. The researcher can then see this place a whole lot more closely to verify one to a good mutation is available.
This technology or anybody else enjoy it will get eventually make it possible to explain one’s chance of development different kinds out of hereditary malignant tumors along with other common issues, for example cardiovascular illnesses and you will all forms of diabetes
This type of research pertains to placing quick snippets off DNA regarding many or a great deal of genes on one microscope fall, next enabling fluorescently branded mRNA particles away from a particular telephone type to hybridize on them. Because of the calculating the fresh new fluorescence of every spot-on new slip, scientists can also be determine how energetic various genetics come into one telephone sorts of. Strong fluorescence shows that of several mRNA particles hybridized on gene and, hence, the gene is extremely energetic where cell type. On the other hand, zero fluorescence reveals that not one of the cell’s mRNA particles hybridized for the gene and this the gene is actually dry in this cell variety of.
Regardless if these types of technology is still seemingly the brand new and are usually getting used mainly getting research, experts predict that one time they usually have tall clinical apps. Such as, DNA processor technology provides the possibility to rather reduce the date and you can expense employed in hereditary review. At exactly the same time, scientists get eventually manage to classify peoples disease established into the mejores aplicaciones de citas models regarding gene pastime on the tumor structure and following manage to framework medication methods that are directed yourself every single particular sort of cancer.
