Studies on molecular mechanisms of viral attenuation and cross protection

Natsuaki, Tomohide

doi:10.1007/s10327-011-0344-8

Cited by 4 publications

(1 citation statement)

References 23 publications

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“…Japan has a long history of the development of attenuated viruses, and many studies on viral cross-protection have been reported [19][20][21][22]. In particular, Japanese researchers have developed attenuated viruses belonging to the genera Closterovirus [23,24], Cucumovirus [25][26][27][28], Potyvirus [29][30][31][32][33][34], Tobamovirus [35][36][37][38][39][40][41][42][43][44], and Tospovirus [45] and assessed their cross-protective effects (Table 1).…”

Section: History Of the Development Of Attenuated Viruses In Japanmentioning

confidence: 99%

Development and Application of Attenuated Plant Viruses as Biological Control Agents in Japan

Tomitaka,

Shimomoto,

Ryang

et al. 2024

Viruses

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In 1929, it was reported that yellowing symptoms caused by a tobacco mosaic virus (TMV) yellow mosaic isolate were suppressed in tobacco plants that were systemically infected with a TMV light green isolate. Similar to vaccination, the phenomenon of cross-protection involves a whole plant being infected with an attenuated virus and involves the same or a closely related virus species. Therefore, attenuated viruses function as biological control agents. In Japan, many studies have been performed on cross-protection. For example, the tomato mosaic virus (ToMV)-L11A strain is an attenuated isolate developed by researchers and shows high control efficiency against wild-type ToMV in commercial tomato crops. Recently, an attenuated isolate of zucchini yellow mosaic virus (ZYMV)-2002 was developed and registered as a biological pesticide to control cucumber mosaic disease. In addition, attenuated isolates of pepper mild mottle virus (PMMoV), cucumber mosaic virus (CMV), tobacco mild green mosaic virus (TMGMV), melon yellow spot virus (MYSV), and watermelon mosaic virus (WMV) have been developed in Japan. These attenuated viruses, sometimes called plant vaccines, can be used not only as single vaccines but also as multiple vaccines. In this review, we provide an overview of studies on attenuated plant viruses developed in Japan. We also discuss the application of the attenuated strains, including the production of vaccinated seedlings.

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Section: History Of the Development Of Attenuated Viruses In Japanmentioning

confidence: 99%

Development and Application of Attenuated Plant Viruses as Biological Control Agents in Japan

Tomitaka,

Shimomoto,

Ryang

et al. 2024

Viruses

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Isolation and characterization of an attenuated strain of an Orthotospovirus, melon yellow spot virus

et al. 2021

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Plant viruses and viroids in Japan

et al. 2022

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An increasing number of plant viruses and viroids have been reported from all over the world due largely to metavirogenomics approaches with technological innovation. Herein, the official changes of virus taxonomy, including the establishment of megataxonomy and amendments of the codes of virus classification and nomenclature, recently made by the International Committee on Taxonomy of Viruses were summarized. The continued efforts of the plant virology community of Japan to index all plant viruses and viroids occurring in Japan, which represent 407 viruses, including 303 virus species and 104 unclassified viruses, and 25 viroids, including 20 species and 5 unclassified viroids, as of October 2021, were also introduced. These viruses and viroids are collectively classified into 81 genera within 26 families of 3 kingdoms (Shotokuvirae, Orthornavirae, Pararnavirae) across 2 realms (Monodnaviria and Riboviria). This review also overviewed how Japan’s plant virus/viroid studies have contributed to advance virus/viroid taxonomy.

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Studies on molecular mechanisms of viral attenuation and cross protection

Cited by 4 publications

References 23 publications

Development and Application of Attenuated Plant Viruses as Biological Control Agents in Japan

Development and Application of Attenuated Plant Viruses as Biological Control Agents in Japan

Isolation and characterization of an attenuated strain of an Orthotospovirus, melon yellow spot virus

Plant viruses and viroids in Japan

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