Supplementary Fig. 1 Electron Microscopy of the Leaf dip preparations showing the presence of Bacilliform virus particles of Citrus yellow mosaic virus in the infected leaves of Rough lemon (A) isolate and Sweet Orange (SO) isolate 100 nm scale bar

A B

Supplementary Fig. 2 Alignment of CMBVSOJNTU, CMBVROL ORF II protein with CSSV ORF II Product at secondary structural level

Cylinder region – Helix region; Solid Arrow – Sheet; Solid line – Loop region

Supplementary Fig. 3 Alignment of CMBV ORF III encoded protein sequences with RTBV Coat Protein showing presence of conserved pockets and also the presence of a Cysteine rich motif (Zinc finger like domain represented in a box) at the C-terminus of the putative coat protein domain

Supplementary Fig. 4 Alignment of CMBVSOJNTU, CMBVROL ORF III protein with RTBV Coat Protein (ORF III Product) at secondary structural level

Cylinder region – Helix region; Solid Arrow – Sheet; Solid line – Loop region