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Hydrogen Sulfide: A Signal Molecule in Plant Cross-Adaptation

Li, Zhong-Guang ; Min, Xiong ; Zhou, Zhi-Hao

Frontiers in plant science, 2016-10, Vol.7, p.1621-1621 [Revista revisada por pares]

Switzerland: Frontiers Media S.A

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  • Título:
    Hydrogen Sulfide: A Signal Molecule in Plant Cross-Adaptation
  • Autor: Li, Zhong-Guang ; Min, Xiong ; Zhou, Zhi-Hao
  • Materias: Cross-adaptation ; Hydrogen Sulfide ; Plant Science ; signal crosstalk ; Signal molecule ; Stress Tolerance
  • Es parte de: Frontiers in plant science, 2016-10, Vol.7, p.1621-1621
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-3
    content type line 23
    ObjectType-Review-1
    This article was submitted to Plant Physiology, a section of the journal Frontiers in Plant Science
    Edited by: Hanjo A. Hellmann, Washington State University, USA
    Reviewed by: Karl-Josef Dietz, Bielefeld University, Germany; Sutton Mooney, Washington State University, USA
  • Descripción: For a long time, hydrogen sulfide (H S) has been considered as merely a toxic by product of cell metabolism, but nowadays is emerging as a novel gaseous signal molecule, which participates in seed germination, plant growth and development, as well as the acquisition of stress tolerance including cross-adaptation in plants. Cross-adaptation, widely existing in nature, is the phenomenon in which plants expose to a moderate stress can induce the resistance to other stresses. The mechanism of cross-adaptation is involved in a complex signal network consisting of many second messengers such as Ca , abscisic acid, hydrogen peroxide and nitric oxide, as well as their crosstalk. The cross-adaptation signaling is commonly triggered by moderate environmental stress or exogenous application of signal molecules or their donors, which in turn induces cross-adaptation by enhancing antioxidant system activity, accumulating osmolytes, synthesizing heat shock proteins, as well as maintaining ion and nutrient balance. In this review, based on the current knowledge on H S and cross-adaptation in plant biology, H S homeostasis in plant cells under normal growth conditions; H S signaling triggered by abiotic stress; and H S-induced cross-adaptation to heavy metal, salt, drought, cold, heat, and flooding stress were summarized, and concluded that H S might be a candidate signal molecule in plant cross-adaptation. In addition, future research direction also has been proposed.
  • Editor: Switzerland: Frontiers Media S.A
  • Idioma: Inglés
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