biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 53:784-788, 2009 | DOI: 10.1007/s10535-009-0144-6

Nitric oxide alleviates Fe deficiency-induced stress in Solanum nigrum

J. Xu1,*, H. X. Yin2, X. J. Liu1, T. Yuan1, Q. Mi2, L. L. Yang1, Z. X. Xie1, W. Y. Wang1,*
1 Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, P.R. China
2 Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, College of Life Science and Geography, Qinghai Normal University, Xining, P.R. China

The possible involvement of nitric oxide in response of Solanum nigrum seedlings to Fe deficiency was investigated. Iron deficiency resulted in decreased shoot height and chlorophyll content and increased proliferation of root hairs and H2O2, K+ and Ca2+ content. NO donor S-nitrosoglutathione (GSNO) was effective in preventing Fe deficiency-induced increase in content of H2O2 and the ion uptake. The protective effects of GSNO were reversed by cPTIO, an NO scavenger, and tungstate, a nitrate reductase (NR) inhibitor.

Keywords: ion uptake; reactive oxygen species; S-nitrosoglutathione
Subjects: calcium; chlorophyll a,b; hydrogen peroxide; in vitro culture, direct regeneration; in vitro culture, rooting; iron; nitric oxide; potassium; Solanum nigrum

Received: February 22, 2009; Accepted: September 15, 2009; Published: December 1, 2009  Show citation

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Xu, J., Yin, H.X., Liu, X.J., Yuan, T., Mi, Q., Yang, L.L., Xie, Z.X., & Wang, W.Y. (2009). Nitric oxide alleviates Fe deficiency-induced stress in Solanum nigrum. Biologia plantarum, 53(4), 784-788. doi: 10.1007/s10535-009-0144-6
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