Geminiviruses are plant viruses characterized by having small circular single-stranded DNA (ssDNA) genomes, encapsidated in twinned icosahedral particles.
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- 双生病毒是植物病毒中唯一一类具有孪生颗粒形态的单链环状DNA病毒,已在多种重要经济作物上引起危害。