Food Science of Animal Resources (Food Sci. Anim. Resour.) is an international, peer-reviewed bimonthly journal publishing original research and reviews on basic and applied aspects of the use of animal resources including the meat, egg, and dairy product. Food Sci. Anim. Resour. is published and distributed by the Korean Society for Food Science of Animal Resources.
Taro is an important crop in parts of the world, especially in the Pacific Islands. Like all plants, it is also susceptible to virus infections that could result in diseases, which negatively affects the source of food and trade revenue. Understanding the biology of taro viruses could improve current knowledge regarding the relationship between viruses and taro, thus allowing for a better approach towards the management of the diseases that are associated with them. By compiling and discussing the research on taro and its four major viruses (Dasheen mosaic virus, Taro bacilliform virus, Colocasia bobone disease virus, and Taro vein chlorosis virus) and a relatively new one (Taro bacilliform CH virus), this paper explores the details of each virus by examining their characteristics and highlighting information that could be used to mitigate taro infections and disease management.
In the tropics and subtropics, various ornamental plants have been cultivated for landscape decorations. The Bougainvillea species, a perennial flowering plant, is widely grown throughout Malaysia. Its beautiful floral colours made it a popular plant in the country, even dubbed the symbol flower for Ipoh, one of the major cities in Malaysia. In November 2018, disease symptoms including foliar chlorosis, vein-banding, and mottling were observed on bougainvillea plants growing in several residential colleges in the National University of Malaysia. Suspecting infection by a virus, samples from six different symptomatic plants were examined by transmission electron microscopy (TEM) after negative staining by uranyl acetate (Baranwal et al. 2010). Typical bacilliform virions of 120-150 nm x 25-35 nm in length were found randomly scattered in the cytoplasm of the phloem tissue of leaf veins of all the samples from the six plants. To confirm the identity of the virus, viral DNA was extracted from leaves of twelv...
In Malaysia, peppers have a significant role in agricultural trade as they are planted on over 3,000 ha of land, generating around US$ 46 million annually (D.O.A. 2017). In May 2019, disease sympto...
Hibiscus rosa-sinensis is the national flower of Malaysia and is widely cultivated as landscape planting across the nation. In 1995, Hibiscus chlorotic ringspot virus (HCRSV) was reported for the first time in Malaysia. Until today, there have been no follow-up studies on the viral infection in the plant, yet the virus symptom of chlorotic spots has been observed throughout the Hibiscus population. Therefore, this study aimed to report the complete genome sequence of the HCRSV, validate a molecular detection tool for its diagnosis, and measure the impact of the virus symptom and infection in H. rosa-sinensis. This study reported the complete genome of the HCRSV through RNA sequencing. The phylogenetic analysis of the HCRSV isolated from different geographical sources and several other related viruses was performed to confirm its identity and classification. Additionally, primers based on the genome sequence were designed and used for RT-PCR to detect the presence of the virus in symptomatic leaves, further confirming the HCRSV identity and presence. Meanwhile, the impact of the virus was measured by examining the anatomical and morphological changes in the leaf structure of symptomatic samples. Light microscopy and scanning electron microscopy were used to examine potential adaptations and comparisons between the leaf structures of healthy and infected samples, especially in the leaf lamina, petiole, and midrib cells. The results confirmed the complete genome sequence of the HCRSV, its molecular detection strategy, and the impact of the viral infection on Hibiscus leaves in Peninsular Malaysia. This study is beneficial for the management strategy of the virus and for protecting an important plant in the nation.