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Snake is the most probable wildlife animal reservoir for the novel coronavirus that had caused 17 deaths in central China's Hubei Province. (Representational Image). Pixabay

A study published on Wednesday in the Journal of Medical Virology showed that snake is the most probable wildlife animal reservoir for the novel coronavirus that had caused 17 deaths in central China’s Hubei Province.

Scientists from Peking University Health Science Center School of Basic Medical Sciences, the First affiliated Hospital of Guangxi University of Chinese Medicine, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, Ningbo University’s School of Medicine, and Wuhan University of Bioengineering carried out a comprehensive analysis on the existing sequences of the newly identified coronavirus, the Xinhua news agency reported.


They used a method called “relative synonymous codon usage” (RSCU) bias to compare RNA sequences of different animal species.

Snake was one of the animals being sold in Wuhan’s Huanan Seafood Wholesale Market before its closure. The market is believed to be related to most of the infected cases.


Snake was one of the animals being sold in Wuhan’s Huanan Seafood Wholesale Market before its closure. The market is believed to be related to most of the infected cases. Pixabay

Results obtained from the analyses suggested that the new virus 2019-nCoV appeared to be a recombinant virus between the bat coronavirus and an origin-unknown coronavirus.

The recombination occurred within the viral spike glycoprotein, which recognizes cell surface receptor. Additionally, their findings suggested that snake is the most probable wildlife animal reservoir for the 2019-nCoV based on its RSCU bias resembling snake compared to other animals.

Taken together, the research results suggested that homologous recombination within the spike glycoprotein may contribute to cross-species transmission from snake to humans.

Also Read- New Locust Swarms Threaten Agriculture in Ethiopia

Glycoprotein is a group of conjugated proteins containing small amounts of carbohydrates.

Chinese health authorities have posted the full genome of 2019-nCoV in the genetic sequence database of U.S. National Institutes of Health and the Global Initiative on Sharing All Influenza Data, according to U.S. Centers for Disease Control and Prevention (CDC). (IANS)


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Indian wrestler Ravi Kumar (57kg) and Deepak Punia (86kg) enjoyed fruitful outings at the Tokyo Olympic Games as they secured semifinal berths in their respective weight categories at the Makuhari Messe on Wednesday.

On the opening day of the wrestling competition, Ravi Kumar defeated Bulgaria's Georgi Vangelov 14-4 on technical superiority to reach the last-four in the men's 57kg category, while compatriot Deepak Punia overcame China's Zushen Lin 6-3 on points to advance to the semifinals.

Ravi Kumar will take on Nurislam Sanayev of Kazakhstan in the last-four, while Punia will be up against David Morris Taylor of the USA.

Earlier, Ravi Kumar had won his opening-round bout by technical superiority against Colombia's Oscar Tigreros to secure a quarterfinal spot. Competing in the Round-of-16 bout against the Colombian wrestler, the 23-year-old Ravi Kumar, who is making his Olympic debut, showed no nerves as he dominated the bout to win by technical superiority (13-2).

Ravi Kumar landed attack after attack and went 13-2 up, winning the bout by technical superiority with minutes to spare. In wrestling, building up a 10-point lead over the opponent results in a victory by technical superiority.

India's 86kg freestyle wrestler Deepak Punia showed no signs of the niggle that had forced him to pull out of the Poland Open Ranking Series in Warsaw in June, as he defeated Nigeria's Ekerekeme Agiomor on technical superiority to secure a quarterfinal berth.

He got his Olympic campaign to a fine start as he was in control from the start of the bout and hardly ever allowed his Nigerian opponent any room to maneuver his moves, finally winning with a 12-1 on technical superiority.

Punia, who had also suffered an elbow injury just before the Games, was slow at the start but came into his own as the bout progressed, inflicting takedowns at regular intervals to earn points.

The Indian wrestler eased into a 4-1 lead at the break and extended his lead comfortably in the second period.

Punia, the silver medallist from the 2019 world wrestling championships, then set up a clash with China's Lin Zushen in the quarterfinals and defeated him 6-3.

(IANS/HP)