The Citrus yellow mosaic badnavirus ORFI functions as a RNA-silencing suppressor

Tharanath, Vadlamudi; Kaldis, Athanasios; Divi, Venkataramana Sai Gopal; Patil, Basavaprabhu L.; Voloudakis, Andreas E.

doi:10.1007/s11262-021-01863-8

Cited by 3 publications

(2 citation statements)

References 23 publications

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“…An infectious clone of CYMV was shown to infect sweet oranges through agro-infection [ 64 ]. Vadlamudi et al [ 65 ] reported that ORFI of CYMV possesses RNA-silencing suppression activity. The complete genome sequence of CYMV from sweet orange, rangpur lime, acid lime, and pummelo shared >90% identity [ 66 , 67 ].…”

Section: Emerging Disease Problems In Plantsmentioning

confidence: 99%

Emerging and Re-Emerging Diseases Caused by Badnaviruses

2023

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New and emerging plant diseases are caused by different pathogens including viruses that often cause significant crop losses. Badnaviruses are pararetroviruses that contain a single molecule of ds DNA genome of 7 to 9 kb in size and infect a large number of economically important crops such as banana and plantains, black pepper, cacao, citrus, grapevine, pineapple, sugarcane, sweet potato, taro, and yam, causing significant yield losses. Many of the species in the genus have a restricted host range and several of them are known to infect a single crop. Combined infections of different virus species and strains offer conditions that favor the development of new strains via recombination, especially in vegetatively propagated crops. The primary spread of badnaviruses is through vegetative propagating materials while for the secondary spread, they depend on insects such as mealybugs and aphids. Disease emerges as a consequence of the interactions between host and pathogens under favorable environmental conditions. The viral genome of the pararetroviruses is known to be integrated into the chromosome of the host and a few plants with integrants when subjected to different kinds of abiotic stress will give rise to episomal forms of the virus and cause disease. Attempts have been made to develop management strategies for badnaviruses both conventionally and using precision breeding techniques such as genome editing. Until 2016 only 32 badnavirus species infecting different crops were known, but in a span of six years, this number has gone up to 68. The current review highlights the emerging disease problems and management options for badnaviruses infecting economically important crops.

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Section: Emerging Disease Problems In Plantsmentioning

confidence: 99%

Emerging and Re-Emerging Diseases Caused by Badnaviruses

2023

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“…Other major citrus viruses include the following: citrus leprosis viruses, which occur mainly in Florida, USA, and some parts of Central and South America (Roy et al 2015); citrus yellow mosaic virus, which occurs in India (Vadlamudi et al 2021); Indian citrus ringspot virus, which seriously affects "Kinnow" mandarin production in India (Kokane et al 2021); citrus yellow vein clearing virus, which was first detected in Pakistan, but it is now present in India, Turkey, and China (Loconsole et al 2012a); citrus chlorotic dwarf-associated virus, which was initially identified in Turkey (Loconsole et al 2012b) and then in other countries, including China and Thailand (Zhou et al 2017; citrus concave gum-associated virus and citrus virus A, both of which mainly occur in the Mediterranean region (Minutolo et al 2020); and citrus sudden death-associated virus, which was first reported in Brazil (Maccheroni et al 2020). There are no confirmed reports of the presence of these viruses in the citrus-growing regions in Japan.…”

Section: Other Virusesmentioning

confidence: 99%

Citrus Viroids and Minor Citrus Viruses in Japan

Iwanami

2023

JARQ

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Citrus species grown in Japan are affected by several viruses and viroids, including satsuma dwarf virus, citrus vein enation virus, citrus exocortis viroid, and other citrus viroids. Recently, a comprehensive review was made on the occurrence, history, and research of the following three major citrus viruses in Japan: satsuma dwarf virus, citrus tatter leaf virus (apple stem grooving virus), and citrus tristeza virus (Iwanami 2022). As a sequel, this study reviews the occurrence, history, and research development of citrus viroids as well as minor citrus viruses in and around Japan.

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