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Genes 2018, 9(12), 635; https://doi.org/10.3390/genes9120635

The Yellow Stripe-Like (YSL) Gene Functions in Internal Copper Transport in Peanut

1
Key Lab of Plant-Soil Interaction, MOE, Center for Resources, Environment and Food Security, College Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
2
Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
3
Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China
4
Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, 1-308 Suematsu, Nonoichi, Ishikawa 921-8836, Japan
*
Author to whom correspondence should be addressed.
These authors contribute equally to this work.
Received: 29 October 2018 / Revised: 20 November 2018 / Accepted: 3 December 2018 / Published: 14 December 2018
(This article belongs to the Special Issue Improving Plant Nutrient Use efficiency)
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Abstract

Copper (Cu) is involved in fundamental biological processes for plant growth and development. However, Cu excess is harmful to plants. Thus, Cu in plant tissues must be tightly regulated. In this study, we found that the peanut Yellow Stripe-Like family gene AhYSL3.1 is involved in Cu transport. Among five AhYSL genes, AhYSL3.1 and AhYSL3.2 were upregulated by Cu deficiency in peanut roots and expressed mainly in young leaves. A yeast complementation assay suggested that the plasma membrane-localized AhYSL3.1 was a Cu-nicotianamine complex transporter. High expression of AhYSL3.1 in tobacco and rice plants with excess Cu resulted in a low concentration of Cu in young leaves. These transgenic plants were resistant to excess Cu. The above results suggest that AhYSL3.1 is responsible for the internal transport of Cu in peanut. View Full-Text
Keywords: copper excess; AhYSL3.1; transporter; peanut; transgenic plant; iron copper excess; AhYSL3.1; transporter; peanut; transgenic plant; iron
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Dai, J.; Wang, N.; Xiong, H.; Qiu, W.; Nakanishi, H.; Kobayashi, T.; Nishizawa, N.K.; Zuo, Y. The Yellow Stripe-Like (YSL) Gene Functions in Internal Copper Transport in Peanut. Genes 2018, 9, 635.

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