نتایج جستجو برای: viral spread roots

تعداد نتایج: 314222  

Journal: :hepatitis monthly 0
muhammad sohail afzal department of chemistry, school of science, university of management and technology (umt), lahore, pakistan; department of chemistry, school of science, university of management and technology (umt), lahore, pakistan. tel: +92-3215244808, fax: +92-5190856102 tahir ahmad atta ur rahman school of applied biosciences, national university of science and technology, islamabad, pakistan haroon ahmed department of biosciences, comsats institute of information technology, islamabad, pakistan

Journal: :Annual Review of Virology 2016

Journal: :Clinical Microbiology Reviews 2001

2010
Sofya Chepushtanova

In this paper we study a three-component mathematical model for the spread of a viral disease in a population of spatially distributed hosts. The model is developed from the two-component model proposed by Tuckwell and Toubiana in 2007. The positions of the hosts are randomly generated in a rectangular map. Within-host viralimmune system parameters are generated randomly to provide variability ...

Journal: :Clinical microbiology reviews 2001
C Aitken D J Jeffries

Viruses are important causes of nosocomial infection, but the fact that hospital outbreaks often result from introduction(s) from community-based epidemics, together with the need to initiate specific laboratory testing, means that there are usually insufficient data to allow the monitoring of trends in incidences. The most important defenses against nosocomial transmission of viruses are detai...

2017
Linying Li Ida Bagus Andika Yu Xu Yan Zhang Xiangqi Xin Lifeng Hu Zongtao Sun Gaojie Hong Yang Chen Fei Yan Jian Yang Junmin Li Jianping Chen

RNA silencing is an important innate antiviral defense in plants. Soil-borne plant viruses naturally infect roots via soil-inhabiting vectors, but it is unclear how antiviral RNA silencing responds to virus infection in this particular tissue. In this study, viral small interfering RNA (siRNA) profiles from leaves and roots of wheat plants naturally infected with a soil-borne virus, wheat yello...

Journal: :Applied and environmental microbiology 2012
Malak A Esseili Qiuhong Wang Zhenwen Zhang Linda J Saif

Noroviruses are the leading cause of food-borne outbreaks, including those that involve lettuce. The culturable porcine sapovirus (SaV) was used as a norovirus surrogate to study the persistence and the potential transfer of the virus from roots to leaves and from outer to inner leaves of lettuce plants. Treatment of lettuce with SaV was done through the roots of young plants, the soil, or the ...

2014
Dacheng Liang Rosemary G. White Peter M. Waterhouse

In plants and nematodes, RNAi can spread from cells from which it is initiated to other cells in the organism. The underlying mechanism controlling the mobility of RNAi signals is not known, especially in the case of plants. A genetic screen designed to recover plants impaired in the movement but not the production or effectiveness of the RNAi signal identified RCI3, which encodes a hydrogen pe...

Journal: :Proceedings of the National Academy of Sciences 2014

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