RETRACTED: Emergence of Asian endemic begomoviruses as a pandemic threat

Abstract

Plant viruses are responsible for the most devastating and commercially significant plant diseases, especially in tropical and subtropical regions. The genus begomovirus is the largest one in the family Geminiviridae, with a single-stranded DNA genome, either monopartite or bipartite. Begomoviruses are transmitted by insect vectors, such as Bemisia tabaci. Begomoviruses are the major causative agents of diseases in agriculture globally. Because of their diversity and mode of evolution, they are thought to be geographic specific. The emerging begomoviruses are of serious concern due to their increasing host range and geographical expansion. Several begomoviruses of Asiatic origin have been reported in Europe, causing massive economic losses; insect-borne transmission of viruses is a critical factor in virus outbreaks in new geographical regions. This review highlights crucial information regarding Asia’s four emerging and highly destructive begomoviruses. We also provided information regarding several less common but still potentially important pathogens of different crops. This information will aid possible direction of future studies in adopting preventive measures to combat these emerging viruses.

Hairpin-RNA Spray Confers Resistance to Mungbean Yellow Mosaic India Virus in Mungbean

“…Despite its significance, the average productivity of mungbean in India remains low (3). Yellow mosaic disease (YMD) poses a major challenge to mungbean cultivation worldwide (4,5). Caused by yellow mosaic viruses (YMVs) transmitted by the whitefly (6,7), YMD leads to crop yield losses ranging from 10 to 100% (8).…”

“…The begomovirus genus, comprising 445 distinct species, is the largest in the virosphere (13). It induces economically significant diseases in crucial crops like mungbean (5). New World (NW) begomoviruses have bipartite genomes, while Old World (OW) begomoviruses exhibit both monopartite and bipartite configurations.…”

Investigation on disease incidence, distribution and diversity of Begomoviruses infecting cucurbitaceous crops in North Bengal, India

“…Begomoviruses have a vast host range and most of the hosts are economically important crop plants. Begomoviruses have emerged as a group of destructive viruses due to their high recombination capacity and ability to acquire extra DNA components (Qureshi et al, 2022). They are exclusively transmitted by whitefly, Bemisia tabaci which is considered as one of the most invasive pests and virus vectors (Fiallo-Olivé et al, 2020).…”

Global Scenario of Begomovirus Diseases in Vegetable Crops

“…Till date, begomovirus research were focused on diversity, distribution, and pathogen biology in the various cropping systems. Globally several outbreaks of begomoviruses such as tomato leaf curl New Delhi virus on cucurbits in Spain (Fortes et al, 2016), bean golden mosaic virus in French bean and other leguminous vegetables; tomato yellow leaf curl virus in tomato and French bean; watermelon chlorotic stunt virus in cucurbits as wells as tomato; pepper golden mosaic virus on chili and tomato, etc were reported from different parts of the globe during past two decades (Qureshi et al, 2022). Infection of these begomoviruses has caused severe loss up to 90% reduction in the quantity and produces unmarketable poor-quality fruits (Malathi et al, 2017;De Barro et al, 2008).…”