Results 61 to 70 of about 2,170 (180)

Potato Spindle Tuber Viroid RNA-Templated Transcription: Factors and Regulation

Viruses, 2018
Viroids are circular noncoding RNAs that infect plants. Without encoding any protein, these noncoding RNAs contain the necessary genetic information for propagation in hosts. Nuclear-replicating viroids employ DNA-dependent RNA polymerase II (Pol II) for
Shachinthaka D. Dissanayaka Mudiyanselage, Jie Qu, Nancy Tian, Jian Jiang, Ying Wang   +4 more
doaj   +1 more source

Outstanding : the dispensable chromosomes of Mycosphaerella graminicola [PDF]

, 2009
Bijdrage aan de KNPV ...
Kema, G.H.J., Lee, T.A.J., van der, Schouten, H.J., Wittenberg, A.H.J.   +3 more
core   +1 more source

Application of RNA silencing to plant disease resistance [PDF]

, 2012
To reduce the losses caused by plant pathogens, plant biologists have adopted numerous methods to engineer resistant plants. Among them, RNA silencing-based resistance has been a powerful tool that has been used to engineer resistant crops during the ...
Cheng-Guo Duan, Chun-Han Wang, Hui-Shan Guo   +2 more
core   +1 more source

Effects of Biochar on the Growth and Development of Tomato Seedlings and on the Response of Tomato Plants to the Infection of Systemic Viral Agents

Frontiers in Microbiology, 2022
Biochar is a rich carbon product obtained by pyrolysis of biomass under a limited supply of oxygen. It is composed mainly of aromatic molecules, but its agronomic value is hard to evaluate and difficult to predict due to its great variable ...
Marta Luigi, Ariana Manglli, Immacolata Dragone, Maria Grazia Antonelli, Mario Contarini, Stefano Speranza, Sabrina Bertin, Antonio Tiberini, Andrea Gentili, Leonardo Varvaro, Laura Tomassoli, Francesco Faggioli   +11 more
doaj   +1 more source

Chain Risk Model for quantifying cost effectiveness of phytosanitary measures [PDF]

, 2010
A Chain Risk Model (CRM) was developed for a cost effective assessment of phytosanitary measures. The CRM model can be applied to phytosanitary assessments of all agricultural product chains.
Benninga, J., Hennen, W.H.G.J., Schans, J., van de   +2 more
core   +1 more source

RNA conformational changes in the life cycles of RNA viruses, viroids, and virus-associated RNAs [PDF]

, 2009
The rugged nature of the RNA structural free energy landscape allows cellular RNAs to respond to environmental conditions or fluctuating levels of effector molecules by undergoing dynamic conformational changes that switch on or off activities such as ...
Gehrke, Lee, Simon, Anne E.
core   +1 more source

Different rates of spontaneous mutation of chloroplastic and nuclear viroids as determined by high-fidelity ultra-deep sequencing.

PLoS Pathogens, 2017
Mutation rates vary by orders of magnitude across biological systems, being higher for simpler genomes. The simplest known genomes correspond to viroids, subviral plant replicons constituted by circular non-coding RNAs of few hundred bases. Previous work
Amparo López-Carrasco, Cristina Ballesteros, Vicente Sentandreu, Sonia Delgado, Selma Gago-Zachert, Ricardo Flores, Rafael Sanjuán   +6 more
doaj   +1 more source

Precisely Monomeric Linear RNAs of Viroids Belonging to Pospiviroid and Hostuviroid Genera Are Infectious Regardless of Transcription Initiation Site and 5′-Terminal Structure

Cells, 2021
Infectious dimeric RNA transcripts are a powerful tool for reverse genetic analyses in viroid studies. However, the construction of dimeric cDNA clones is laborious and time consuming, especially in mutational analyses by in vitro mutagenesis.
Tatsuji Hataya, Takashi Naoi
doaj   +1 more source

Current overview on viroid–host interactions [PDF]

, 2020
: Viroids are one of the most enigmatic highly structured, circular, single-stranded RNA phytopathogens. Although they are not known to code for any peptide, viroids induce visible symptoms in susceptible host plants that resemble those associated ...
Adkar Purushothama, Charith Raj, Perreault, Jean-Pierre   +1 more
core   +2 more sources

Phytosanitary risk perception and management : development of a conceptual framework [PDF]

This report presents a conceptual framework for assessing and understanding phytosanitary risk perception and risk-management in plant production chains. The framework is based on the Theory of Planned Behaviour.
Bremmer, J., Breukers, M.L.H., Dijkxhoorn, Y., Janssens, S.R.M.   +3 more
core   +8 more sources