TABLE 2.

Divergence of Nanoviridae from Geminiviridae and Circoviridae.

Type	Attributes	Nanoviridae		Geminiviridae	Circoviridae
		Nanovirus	Babuvirus	Begomovirus	Circovirus
DNA	Shape	Circular, ssDNA	Circular, ssDNA	Circular, ssDNA	Circular, ssDNA
	Partite	Multipartite (8–11 segments)	Multipartite (6 segments)	Monopartite or Bipartite	Monopartite
	ORFs	1 ORF in each component	1 or 2 ORFs in components	6–7 in DNA A 2 in DNA B	2 ORFs in opposite direction
	Stem loop (5’- 3)’	TANTATTAC	TATTATTAC	TATTATTAC	NANTATTAC
	Satellite molecules	∼3–4	1	2 (1 alpha and 1 Beta)	0
Size	Length	∼1 kb	∼1–1.1 kb	∼2.5–3 kb	∼1.7–2.1 kb
	Diameter	18–19 nm	17–20 nm	18–20 nm	∼20 nm
Transmission	Vector	Aphids	Aphids	Whitefly, Leafhopper, Tree- hopper, Aphid	Fecal, oral
	Tissue tropism	Phloem	Phloem	Phloem, Mesophyll	Thymocytes, erythroblastoid cells, embryonal tissues
Infection	Host Range	Plants families: Fabaceae, Caricaceae, Solanaceae	Plants family: Musaceae Zingiberaceae	Plants families: Fabaceae, Caricaceae, Solanaceae, Convolvulaceae	Animal families: Birds, pigs, freshwater fish Dogs and humans
	Symptoms	Yellows, stunting, mosaic, leaf rolling	Streak mosaic, bushy appearance	Chlorosis, stunting, curling, leaf curling, mottling, leaf distortion	Enlarged lymph nodes, difficulty in breathing, diarrhea, pale skin, jaundice