Lect. 6 composition & Architecture of plant viruses
Lect. 6 composition & Architecture of plant viruses
Lect. 6 composition & Architecture of plant viruses
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
BROME MOSAIC VIRUS<br />
• Type member <strong>of</strong> the<br />
Bromovirus genus, family<br />
Bromoviridae<br />
• Virions are nonenveloped<br />
icosohedrals (T=3), 26 nm in<br />
diameter, contain 22% nucleic<br />
acid and 78% protein<br />
RNA1 RNA2 RNA3<br />
RNA4<br />
• BMV genome is composed<br />
<strong>of</strong> three positive sense RNAs<br />
separately encapsidated<br />
RNA1 (3.2 kb), RNA2 (2.9<br />
kb), RNA3 (2.1 kb), RNA4<br />
(0.9 kb)