December 2016 Current Affairs

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Scientists develop Zika replicon system to develop vaccines

Scientists develop Zika replicon system to develop vaccines
21 November 2016 Current Affairs: Scientists have developed Zika replicon system, a novel tool to replicate the Zika virus by stripping it of the genes that make the virus infectious. The Zika replicon system is considered as an advance novel tool that may pave the way for development vaccine to fight Zika virus.

The Zika replicon system deleted some of the genes that give the Zika virus its structure. The system was engineered by attaching genes that allow researchers to tag certain parts of the Zika virus for making it a powerful tool for vaccine development. The system has made Zika virus no longer infectious and also lowered the safety risk involved in working with it.

Replicons are basically segments of viral genome that can replicate on their own, independent of the cellular chromosome. They can be used to locate portions of the viral molecule that block or halt viral replication. They can also study potential antiviral agents by differentiating between when the virus is making copies of itself and when it’s altering its structure. Thus, they can be used for making a powerful tool for vaccine development.

Significance :  Recent Zika virus outbreak has highlighted the urgent need to establish genetic tools for studying how the virus multiplies and causes disease in order to develop countermeasures. It has also become important to deal with Zika virus which is spreading rapidly and behaves differently than other viruses as it can be transmitted sexually and is associated with microcephaly and Guillain-Barre syndrome (GBS).


December 2016 Current affairs

November 2016 Current affairs
30 NOV
NEWS
29 NOV
NEWS
28 NOV
NEWS
26 NOV
NEWS
25 NOV
NEWS
24 NOV
NEWS




October 2016 Current affairs
31 OCT
NEWS
27 OCT
NEWS
26 OCT
NEWS
25 OCT
NEWS
24 OCT
NEWS
22 OCT
NEWS

September 2016 Current affairs
30 SEP
NEWS
29 SEP
NEWS
28 SEP
NEWS
27 SEP
NEWS
26 SEP
NEWS
24 SEP
NEWS

August 2016 Current affairs
31 AUG
NEWS
30 AUG
NEWS
29 AUG
NEWS
27 AUG
NEWS
26 AUG
NEWS
25 AUG
NEWS



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