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The Ionomic Study of Vegetable Crops

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Title: The Ionomic Study of Vegetable Crops
Authors: Watanabe, Toshihiro Browse this author →KAKEN DB
Maejima, Eriko Browse this author
Yoshimura, Tomoko Browse this author
Urayama, Masaru Browse this author
Yamauchi, Aiko Browse this author
Owadano, Masako Browse this author
Okada, Ryosuke Browse this author
Osaki, Mitsuru Browse this author →KAKEN DB
Kanayama, Yoshinori Browse this author
Shinano, Takuro Browse this author
Issue Date: 1-Aug-2016
Publisher: PLOS
Journal Title: PLoS ONE
Volume: 11
Issue: 8
Start Page: e0160273
Publisher DOI: 10.1371/journal.pone.0160273
Abstract: Soil contains various essential and nonessential elements, all of which can be absorbed by plants. Plant ionomics is the study of the accumulation of these elements (the ionome) in plants. The ionomic profile of a plant is affected by various factors, including species, variety, organ, and environment. In this study, we cultivated various vegetable crop species and cultivars under the same field conditions and analyzed the level of accumulation of each element in the edible and nonedible parts using ionomic techniques. The concentration of each element in the edible parts differed between species, which could be partly explained by differences in the types of edible organs (root, leaf, seed, and fruit). For example, the calcium concentration was lower in seeds and fruit than in other organs because of the higher dependency of calcium accumulation on xylem transfer. The concentration of several essential microelements and nonessential elements in the edible parts also varied greatly between cultivars of the same species, knowledge of which will help in the breeding of vegetables that are biofortified or contain lower concentrations of toxic elements. Comparison of the ionomes of the fruit and leaves of tomato (Solanum lycopersicum) and eggplant (S. melongena) indicated that cadmium and boron had higher levels of accumulation in eggplant fruit, likely because of their effective transport in the phloem. We also found that homologous elements that have been reported to share the same uptake/transport system often showed significant correlation only in a few families and that the slopes of these relationships differed between families. Therefore, these differences in the characteristics of mineral accumulation are likely to affect the ionomic profiles of different families.
Type: article
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 渡部 敏裕

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