The Road to Practical Application of Cadmium Phytoremediation Using Rice

Cadmium (Cd) is a toxic heavy metal that causes severe health issues in humans. Cd accumulates in the human body when foods produced in Cd-contaminated fields are eaten. Therefore, soil remediation of contaminated fields is necessary to provide safe foods. Rice is one of the primary candidates for p...

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Main Authors: Ryuichi Takahashi, Masashi Ito, Tomohiko Kawamoto
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Plants
Subjects:
Online Access:https://www.mdpi.com/2223-7747/10/9/1926
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author Ryuichi Takahashi
Masashi Ito
Tomohiko Kawamoto
author_facet Ryuichi Takahashi
Masashi Ito
Tomohiko Kawamoto
author_sort Ryuichi Takahashi
collection DOAJ
description Cadmium (Cd) is a toxic heavy metal that causes severe health issues in humans. Cd accumulates in the human body when foods produced in Cd-contaminated fields are eaten. Therefore, soil remediation of contaminated fields is necessary to provide safe foods. Rice is one of the primary candidates for phytoremediation. There is a genotypic variation of Cd concentration in the shoots and grains of rice. Using the world rice core collection, ‘Jarjan’, ‘Anjana Dhan’, and ‘Cho-ko-koku’ were observed with a significantly higher level of Cd accumulation in the shoots and grains. Moreover, <i>OsHMA3</i>, a heavy metal transporter, was identified as a responsive gene of quantitative trait locus (QTL) for high Cd concentration in the shoots of these three varieties likewise. However, it is difficult to apply practical phytoremediation to these varieties because of their unfavorable agricultural traits, such as shatter and easily lodged. New rice varieties and lines were bred for Cd phytoremediation using <i>OsHMA3</i> as a DNA marker selection. All of them accumulated Cd in the shoots equal to or higher than ‘Cho-ko-koku’ with improved cultivation traits. Therefore, they can be used for practical Cd phytoremediation.
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spelling doaj.art-3c948bac45824204a25ac5d521b0a7db2023-11-22T14:53:53ZengMDPI AGPlants2223-77472021-09-01109192610.3390/plants10091926The Road to Practical Application of Cadmium Phytoremediation Using RiceRyuichi Takahashi0Masashi Ito1Tomohiko Kawamoto2Akita Prefectural Agricultural Experiment Station, 34-1, Genpachizawa, Yuwa-Aikawa, Akita 010-1231, JapanAkita Prefectural Agricultural Experiment Station, 34-1, Genpachizawa, Yuwa-Aikawa, Akita 010-1231, JapanAkita Prefectural Agricultural Experiment Station, 34-1, Genpachizawa, Yuwa-Aikawa, Akita 010-1231, JapanCadmium (Cd) is a toxic heavy metal that causes severe health issues in humans. Cd accumulates in the human body when foods produced in Cd-contaminated fields are eaten. Therefore, soil remediation of contaminated fields is necessary to provide safe foods. Rice is one of the primary candidates for phytoremediation. There is a genotypic variation of Cd concentration in the shoots and grains of rice. Using the world rice core collection, ‘Jarjan’, ‘Anjana Dhan’, and ‘Cho-ko-koku’ were observed with a significantly higher level of Cd accumulation in the shoots and grains. Moreover, <i>OsHMA3</i>, a heavy metal transporter, was identified as a responsive gene of quantitative trait locus (QTL) for high Cd concentration in the shoots of these three varieties likewise. However, it is difficult to apply practical phytoremediation to these varieties because of their unfavorable agricultural traits, such as shatter and easily lodged. New rice varieties and lines were bred for Cd phytoremediation using <i>OsHMA3</i> as a DNA marker selection. All of them accumulated Cd in the shoots equal to or higher than ‘Cho-ko-koku’ with improved cultivation traits. Therefore, they can be used for practical Cd phytoremediation.https://www.mdpi.com/2223-7747/10/9/1926cadmiumpaddy fieldphytoremediationquantitative trait locus (QTL)ricetransporter
spellingShingle Ryuichi Takahashi
Masashi Ito
Tomohiko Kawamoto
The Road to Practical Application of Cadmium Phytoremediation Using Rice
Plants
cadmium
paddy field
phytoremediation
quantitative trait locus (QTL)
rice
transporter
title The Road to Practical Application of Cadmium Phytoremediation Using Rice
title_full The Road to Practical Application of Cadmium Phytoremediation Using Rice
title_fullStr The Road to Practical Application of Cadmium Phytoremediation Using Rice
title_full_unstemmed The Road to Practical Application of Cadmium Phytoremediation Using Rice
title_short The Road to Practical Application of Cadmium Phytoremediation Using Rice
title_sort road to practical application of cadmium phytoremediation using rice
topic cadmium
paddy field
phytoremediation
quantitative trait locus (QTL)
rice
transporter
url https://www.mdpi.com/2223-7747/10/9/1926
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