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Typical necrotic ringspot symptoms in ANRSV-infected areca palm leaf.
Arepavirus is a newly established genus in the family Potyviridae, the largest family of plant-infecting RNA viruses. To date, the genus include two virus species, Areca palm necrotic ringspot virus (ANRSV) and Areca palm necrotic spindle-spot virus (ANSSV). The picture shows the typical necrotic ringspot symptoms in ANRSV-infected areca palm leaf. The arepaviruses encode a distinct pattern of leader proteases, HCPro1 and HCPro2 in tandem. Our study provides evidence that HCPro2 and Rubisco small subunit (RbCS), one of the most abundant proteins in a plant cell, are engaged in viral intercellular trafficking. Qin et al 2024
Image Credit: Hongguang Cui