Hydrogen-rich water regulates cucumber adventitious root development in a heme oxygenase-1/carbon monoxide-dependent manner

Journal of Plant Physiology
Yuting LinWen-Biao Shen

Abstract

Hydrogen gas (H2) is an endogenous gaseous molecule in plants. Although its reputation is as a "biologically inert gas", recent results suggested that H2 has therapeutic antioxidant properties in animals and plays fundamental roles in plant responses to environmental stresses. However, whether H2 regulates root morphological patterns is largely unknown. In this report, hydrogen-rich water (HRW) was used to characterize H2 physiological roles and possible signaling transduction pathways in the promotion of adventitious root (AR) formation in cucumber explants. Our results showed that a 50% concentration of HRW was able to mimic the effect of hemin, an inducer of a carbon monoxide (CO) synthetic enzyme, and heme oxygenase-1 (HO-1), in restoring AR formation in comparison with the inhibition effect conferred by auxin-depletion treatment alone. It was further shown that the inducible effect of HRW could be further blocked by the co-treatment with N-1-naphthylphtalamic acid (NPA; an auxin transport inhibitor). The HRW-induced response, at least partially, was HO-1-dependent. This conclusion was supported by the fact that the exposure of cucumber explants to HRW up-regulates cucumber HO-1 gene expression and its protein levels. HRW-m...Continue Reading

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Citations

May 6, 2014·Ecotoxicology and Environmental Safety·Weiti CuiWenbiao Shen
Mar 25, 2016·Journal of Plant Physiology·Yongchao ZhuXin Jin
May 21, 2016·Frontiers in Plant Science·Meng Wang, Weibiao Liao
May 14, 2016·Plant Signaling & Behavior·Yongchao Zhu, Weibiao Liao
Nov 24, 2016·International Journal of Molecular Sciences·Yali LiuLiwang Qi
Nov 25, 2016·Physiologia Plantarum·Fang QiWenbiao Shen
Oct 4, 2017·International Journal of Molecular Sciences·Zeyu CaoWenbiao Shen
Jul 1, 2018·Functional Plant Biology : FPB·Changxia LiWeibiao Liao
Aug 14, 2019·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Lovely Mahawar, Gyan Singh Shekhawat
Aug 31, 2019·Biomolecules·Yuzheng DengWeibiao Liao
Sep 26, 2015·Oncotarget·Min-Young KwonSu Wol Chung
Sep 6, 2020·Plants·Grace RussellJohn T Hancock
Nov 6, 2020·Journal of Zhejiang University. Science. B·Yue-Qiao WangWen-Biao Shen
Mar 7, 2021·Plants·John T Hancock, Grace Russell
Aug 23, 2021·Planta·Faisal ZulfiqarJohn T Hancock
Jul 3, 2021·Environmental Science and Pollution Research International·Jana ŠčevkováJozef Kováč

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