scholarly journals Role of Virus-Encoded microRNAs in Avian Viral Diseases

2020 ◽  
Author(s):  
Venugopal Nair ◽  
Yongxiu Yao
Keyword(s):  
Life ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 232
Author(s):  
Srikanth Elesela ◽  
Nicholas W. Lukacs

Viral diseases account for an increasing proportion of deaths worldwide. Viruses maneuver host cell machinery in an attempt to subvert the intracellular environment favorable for their replication. The mitochondrial network is highly susceptible to physiological and environmental insults, including viral infections. Viruses affect mitochondrial functions and impact mitochondrial metabolism, and innate immune signaling. Resurgence of host-virus interactions in recent literature emphasizes the key role of mitochondria and host metabolism on viral life processes. Mitochondrial dysfunction leads to damage of mitochondria that generate toxic compounds, importantly mitochondrial DNA, inducing systemic toxicity, leading to damage of multiple organs in the body. Mitochondrial dynamics and mitophagy are essential for the maintenance of mitochondrial quality control and homeostasis. Therefore, metabolic antagonists may be essential to gain a better understanding of viral diseases and develop effective antiviral therapeutics. This review briefly discusses how viruses exploit mitochondrial dynamics for virus proliferation and induce associated diseases.


Author(s):  
Akshay Vaidya

Viral infections remain major “worldwide” cause of morbidity and mortality.  Herbal extracts or wholesome drugs have been in use for medicinal purposes since ancient time and are known for their antiviral properties and more tolerable side effects. Thus, naturally based pharmacotherapy is a proper alternative for treating viral diseases. Hence this article describes potential antiviral properties of medicinal plants against diverse group of viruses and suggests screening the potential of plants possessing broad spectrum anti-viral effects against viral diseases. Guduchyadi Kwath is a polyherb ayurvedic preparation useful in various diseases. It is useful in pitta vikar, shleshma vikar, Jwara, Chardi, Daha, Trushna, and Agnimandya1. According to modern science it showed anti-inflammatory, antioxidant, antibacterial, antiviral, antimalarial, hepatoprotective, wound healing and immune-modulatory action. The study is aim to the effect of “Guduchyadi kashaya” on viral diseases.


1993 ◽  
Vol 132 (1-2) ◽  
pp. 1-28 ◽  
Author(s):  
E. Sprecher ◽  
Y. Becker

Author(s):  
Wei Luo ◽  
Maimuna S. Majumder ◽  
Diambo Liu ◽  
Canelle Poirier ◽  
Kenneth D Mandl ◽  
...  

A novel coronavirus (COVID-19) was identified in Wuhan, Hubei Province, China, in December 2019 and has caused over 40,000 cases worldwide to date. Previous studies have supported an epidemiological hypothesis that cold and dry (low absolute humidity) environments facilitate the survival and spread of droplet-mediated viral diseases, and warm and humid (high absolute humidity) environments see attenuated viral transmission (i.e., influenza). How-ever, the role of absolute humidity in transmission of COVID-19 has not yet been established. Here, we examine province-level variability of the basic reproductive numbers of COVID-19 across China and find that changes in weather alone (i.e., increase of temperature and humidity as spring and summer months arrive in the North Hemisphere) will not necessarily lead to declines in COVID-19 case counts without the implementation of extensive public health interventions.


2021 ◽  
Vol 759 ◽  
pp. 143539
Author(s):  
R. Sagaya Jansi ◽  
Ameer Khusro ◽  
Paul Agastian ◽  
Ahmed Alfarhan ◽  
Naif Abdullah Al-Dhabi ◽  
...  

Author(s):  
Ian Parsonson

This definitive work on the introduction of domestic animals to Australia begins with the first white settlement at Botany Bay. It explores the foundations of our wool and beef industries, examining the role of early leaders like Phillip, King, Macarthur and Bligh.The book considers the successful introduction of the horse, Australia's first live animal export, and goes on to explore the role of the acclimatisation societies, the development of the veterinary profession and the control and eradication of some of the major exotic and introduced diseases of sheep and cattle. The author, Dr Ian Parsonson, retired as Assistant Chief of the Australian Animal Health Laboratory at Geelong, Victoria, after a long career in veterinary practice and research. His areas of expertise include bacterial and viral diseases, pathology and microbiological laboratory safety. He is a committee member of the International Embryo Transfer Society and the Animal Gene Storage and Resource Centre of Australia.


Author(s):  
E. J. Glass ◽  
R. Baxter ◽  
R. Leach ◽  
G. Taylor
Keyword(s):  

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