Daily Current Affairs – 2020Topic: For Prelims and Mains
20 September 2019
The scientists at the National Institute of Plant Genome Research (NIPGR) in New Delhi have identified a gene that is involved in regulating the size of rice grain.
About the Transgenic plants:
Transgenic plants are the ones, whose DNA is modified using genetic engineering techniques. The aim is to introduce a new trait to the plant which does not occur naturally in the species. A transgenic plant contains a gene or genes that have been artificially inserted.
About the RNA interference (RNAi):
It is a biological process in which RNA molecules inhibit gene expression or translation, by neutralizing targeted mRNA molecules.
Historically, RNAi was known by other names, including co-suppression, post-transcriptional gene silencing (PTGS) and quelling.
Facts for Prelims:
The Israeli Prime Minister Netanyahu is called ‘King Bibi’ by his supporters.
Controlled Human Infection Model(CHIM):
In a Controlled Human Infection Model (CHIM) study, a well-characterized strain of an infectious agent is given to carefully selected adult volunteers in order to better understand human diseases, how they spread, and find new ways to prevent and treat them.