Iron and copper micronutrients influences cadmium accumulation in rice grains by altering its transport and allocation

Author(s):  
Ying Han ◽  
Qin Ling ◽  
Faqin Dong ◽  
Víctor Resco de Dios ◽  
Zhi Li ◽  
...  
2014 ◽  
Vol 2014 ◽  
pp. 1-2
Author(s):  
Liming Sun ◽  
Manman Zheng ◽  
Hongyan Liu ◽  
Shaobing Peng ◽  
Jianliang Huang ◽  
...  

2015 ◽  
Vol 9 (5) ◽  
pp. 383-388
Author(s):  
Ding Li ◽  
Bailin Dai ◽  
Xiaoxi Zeng ◽  
Lijian Xu ◽  
Jianxin Tang

Rice ◽  
2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Li Tang ◽  
Jiayu Dong ◽  
Longtao Tan ◽  
Zhongying Ji ◽  
Yaokui Li ◽  
...  

AbstractCadmium (Cd)-contaminated rice is a serious issue affecting food safety. Understanding the molecular regulatory mechanisms of Cd accumulation in rice grains is crucial to minimizing Cd concentrations in grains. We identified a member of the low-affinity cation transporter family, OsLCT2 in rice. It was a membrane protein. OsLCT2 was expressed in all tissues of the elongation and maturation zones in roots, with the strongest expression in pericycle and stele cells adjacent to the xylem. When grown in Cd-contaminated paddy soils, rice plants overexpressing OsLCT2 significantly reduced Cd concentrations in the straw and grains. Hydroponic experiment demonstrated its overexpression decreased the rate of Cd translocation from roots to shoots, and reduced Cd concentrations in xylem sap and in shoots of rice. Moreover, its overexpression increased Zn concentrations in roots by up-regulating the expression of OsZIP9, a gene responsible for Zn uptake. Overexpression of OsLCT2 reduces Cd accumulation in rice shoots and grains by limiting the amounts of Cd loaded into the xylem and restricting Cd translocation from roots to shoots of rice. Thus, OsLCT2 is a promising genetic resource to be engineered to reduce Cd accumulation in rice grains.


2009 ◽  
Vol 161 (2-3) ◽  
pp. 1466-1472 ◽  
Author(s):  
Chuanping Liu ◽  
Fangbai Li ◽  
Chunling Luo ◽  
Xinming Liu ◽  
Shihua Wang ◽  
...  

Chemosphere ◽  
2018 ◽  
Vol 199 ◽  
pp. 468-476 ◽  
Author(s):  
Muhammad Zia ur Rehman ◽  
Muhammad Rizwan ◽  
Hinnan Khalid ◽  
Shafaqat Ali ◽  
Asif Naeem ◽  
...  

2009 ◽  
Vol 89 (10) ◽  
pp. 1728-1736 ◽  
Author(s):  
Jianchang Yang ◽  
Dongfen Huang ◽  
Hua Duan ◽  
Guilu Tan ◽  
Jianhua Zhang

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Liming Sun ◽  
Manman Zheng ◽  
Hongyan Liu ◽  
Shaobing Peng ◽  
Jianliang Huang ◽  
...  

Cadmium (Cd) and arsenic (As) accumulation in rice grains is a great threat to its productivity, grain quality, and thus human health. Pot and field studies were carried out to unravel the effect of different water management practices (aerobic, aerobic-flooded, and flooded) on Cd and As accumulation in rice grains of two different varieties. In pot experiment, Cd or As was also added into the soil as treatment. Pots without Cd or As addition were maintained as control. Results indicated that water management practices significantly influenced the Cd and As concentration in rice grains and aerobic cultivation of rice furnished less As concentration in its grains. Nonetheless, Cd concentration in this treatment was higher than the grains of flooded rice. Likewise, in field study, aerobic and flooded rice cultivation recorded higher Cd and As concentration, respectively. However, growing of rice in aerobic-flooded conditions decreased the Cd concentration by 9.38 times on average basis as compared to aerobic rice. Furthermore, this treatment showed 28% less As concentration than that recorded in flooded rice cultivation. The results suggested that aerobic-flooded cultivation may be a promising strategy to reduce the Cd and As accumulations in rice grains simultaneously.


2015 ◽  
Vol 23 (2) ◽  
pp. 962-973 ◽  
Author(s):  
Parinda Suksabye ◽  
Apinya Pimthong ◽  
Prapai Dhurakit ◽  
Phenjun Mekvichitsaeng ◽  
Paitip Thiravetyan

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