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The Role of Node Restriction on Cadmium Accumulation in the Brown Rice of 12 Chinese Rice (Oryza sativa L.) Cultivars.
J Agric Food Chem. 2017 Nov 29; 65(47):10157-10164.JA

Abstract

For selection or breeding of rice (Oryza sativa L.) cultivars with low Cd affinity, the role of node Cd restriction on Cd accumulation in brown rice was studied. A pot experiment was conducted to investigate the concentration of Cd in different sections of 12 Chinese rice cultivars. The results indicated that the Cd accumulation in the brown rice was mainly dependent on the root or shoot Cd concentration. Among the cultivars with nearly equal shoot Cd concentrations, Cd accumulation in brown rice was mainly dependent on the transport of Cd in the shoot. However, the Cd transport in the shoot was significantly restricted by the nodes, especially by the first node. Furthermore, the area of the diffuse vascular bundle in the junctional region of the flag leaf and the first node was a key contributor to the variations in Cd restriction by the nodes.

Authors+Show Affiliations

Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China. University of Chinese Academy of Sciences , Beijing 100049, China.Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China.Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China. University of Chinese Academy of Sciences , Beijing 100049, China.Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China.Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China.Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China.Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China. Ecological Experimental Station of Red Soil, Chinese Academy of Sciences , Yingtan 335211, China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

29091443

Citation

Huang, Gaoxiang, et al. "The Role of Node Restriction On Cadmium Accumulation in the Brown Rice of 12 Chinese Rice (Oryza Sativa L.) Cultivars." Journal of Agricultural and Food Chemistry, vol. 65, no. 47, 2017, pp. 10157-10164.
Huang G, Ding C, Guo F, et al. The Role of Node Restriction on Cadmium Accumulation in the Brown Rice of 12 Chinese Rice (Oryza sativa L.) Cultivars. J Agric Food Chem. 2017;65(47):10157-10164.
Huang, G., Ding, C., Guo, F., Li, X., Zhou, Z., Zhang, T., & Wang, X. (2017). The Role of Node Restriction on Cadmium Accumulation in the Brown Rice of 12 Chinese Rice (Oryza sativa L.) Cultivars. Journal of Agricultural and Food Chemistry, 65(47), 10157-10164. https://doi.org/10.1021/acs.jafc.7b03333
Huang G, et al. The Role of Node Restriction On Cadmium Accumulation in the Brown Rice of 12 Chinese Rice (Oryza Sativa L.) Cultivars. J Agric Food Chem. 2017 Nov 29;65(47):10157-10164. PubMed PMID: 29091443.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The Role of Node Restriction on Cadmium Accumulation in the Brown Rice of 12 Chinese Rice (Oryza sativa L.) Cultivars. AU - Huang,Gaoxiang, AU - Ding,Changfeng, AU - Guo,Fuyu, AU - Li,Xiaogang, AU - Zhou,Zhigao, AU - Zhang,Taolin, AU - Wang,Xingxiang, Y1 - 2017/11/13/ PY - 2017/11/2/pubmed PY - 2018/1/4/medline PY - 2017/11/2/entrez KW - cadmium KW - node restriction KW - rice KW - translocation KW - vascular bundles SP - 10157 EP - 10164 JF - Journal of agricultural and food chemistry JO - J Agric Food Chem VL - 65 IS - 47 N2 - For selection or breeding of rice (Oryza sativa L.) cultivars with low Cd affinity, the role of node Cd restriction on Cd accumulation in brown rice was studied. A pot experiment was conducted to investigate the concentration of Cd in different sections of 12 Chinese rice cultivars. The results indicated that the Cd accumulation in the brown rice was mainly dependent on the root or shoot Cd concentration. Among the cultivars with nearly equal shoot Cd concentrations, Cd accumulation in brown rice was mainly dependent on the transport of Cd in the shoot. However, the Cd transport in the shoot was significantly restricted by the nodes, especially by the first node. Furthermore, the area of the diffuse vascular bundle in the junctional region of the flag leaf and the first node was a key contributor to the variations in Cd restriction by the nodes. SN - 1520-5118 UR - https://www.unboundmedicine.com/medline/citation/29091443/The_Role_of_Node_Restriction_on_Cadmium_Accumulation_in_the_Brown_Rice_of_12_Chinese_Rice__Oryza_sativa_L___Cultivars_ L2 - https://doi.org/10.1021/acs.jafc.7b03333 DB - PRIME DP - Unbound Medicine ER -