Journal
VIRUS RESEARCH
Volume 160, Issue 1-2, Pages 389-394Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.virusres.2011.04.028
Keywords
Rice dwarf virus; Insect vector; Filter chamber; Nervous system; Visceral muscles cells of anterior midgut
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Funding
- programs for New Century Excellent Talent in University [NCET-09-0011]
- National Natural Science Foundation of China [31070130]
- Natural Science Foundation of Fujian Province [2010J01075]
- Bio-oriented Technology Research Advancement Institution (BRAIN)
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Confocal microscopy revealed that Rice dwarf virus (RDV) initially accumulated in epithelial cells of the filter chamber of leafhopper vector Nephotettix cincticeps 2 days after acquisition access feeding on diseased plants. Subsequently, RDV accumulation progressed to the anterior midgut, and then spread to the nervous system before infection of other organs. Furthermore, RDV accumulation progressed to the visceral muscles surrounding the anterior midgut. Later, RDV accumulation was detected in other parts of the alimentary canal, salivary glands and the follicular cells of the ovarioles in viruliferous insect vector. Our results suggest that RDV may use the muscle or neural tissues for viral dissemination from the infected vector's midgut into other tissues. (C) 2011 Elsevier B.V. All rights reserved.
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