Localized resistance against virus infection by leaf extract of Celosia cristata

Abstract

Preinoculation treatment with Celosia cristata leaf extract prevented lesion production by sunnhemp rosette virus, tobacco mosaic virus and potato virus X in several local lesion hosts, but not in Chenopodium amaranticolar. The extract inhibited lesion formation only in treated areas, and did not act on the virus directly, but only via the host. The persistence of inhibitory activity in test hosts for up to 6 days indicates that the site of virus attachment is blocked semipermanently.

Spinacia oleracea proteins with antiviral activity against tobacco mosaic virus

“…Therefore, there was probably more than one component responsible for the anti-TMV activity of the protein group. The antiviral components from plant could interact with virus directly (Chen et al, 2006), or they could occupy the virus infection sites (Baranwal et al, 1992). Otherwise, they might inhibit the replication of virus, either by interfering formation of the virus coat (Jiang et al, 1996;Shen et al, 2005) or by inhibiting the synthesis of virus protein and RNA (Hou et al, 2000).…”

Plant-derived ribosome-inactivating proteins involved in defense against plant viruses

“…The leaves of two species of Celosia, namely, C. cristata and C. plumosa, have been reported to contain proteins endowed with strong antiviral activity against PVX, SRV, and TMV (Baranwal & Verma, 1992;Cho et al, 2000a;Gholizadeh & Pourrahim, 2017). Two growth stage-dependent antiviral proteins (namely CCP-25 and CCP-27) were reported in C. cristata leaves.…”

A Comprehensive Review of Phytochemical and Pharmacological Overview on Celosia Cristata for Future Prospective Research

“…The Celosia species [6,[8][9][10][11][12][13][14][15][16][17][18][19][20] is a small genus of edible and ornamental plants belonging to Amaranthacea. It belongs to kingdom Plantae, order Caryophyllales, family Amaranthaceae, genus Celosia, and species Cristata.…”