A kinetic analysis of hyponastic growth and petiole elongation upon ethylene exposure in Rumex palustris | Zendy

Zohreh Heydarian | Zendy; Rashmi Sasidharan | Zendy; Marjolein C.H. Cox | Zendy; Ronald Pierik | Zendy; Laurentius A. C. J. Voesenek | Zendy; Anton J. M. Peeters | Zendy

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A kinetic analysis of hyponastic growth and petiole elongation upon ethylene exposure in Rumex palustris

Author(s) -

Zohreh Heydarian,

Rashmi Sasidharan,

Marjolein C.H. Cox,

Ronald Pierik,

Laurentius A. C. J. Voesenek,

Anton J. M. Peeters

Publication year - 2010

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcq138

Subject(s) - petiole (insect anatomy) , elongation , biology , ethylene , botany , horticulture , materials science , biochemistry , hymenoptera , metallurgy , ultimate tensile strength , catalysis

Complete submergence is an important stress factor for many terrestrial plants, and a limited number of species have evolved mechanisms to deal with these conditions. Rumex palustris is one such species and manages to outgrow the water, and thus restore contact with the atmosphere, through upward leaf growth (hyponasty) followed by strongly enhanced petiole elongation. These responses are initiated by the gaseous plant hormone ethylene, which accumulates inside plants due to physical entrapment. This study aimed to investigate the kinetics of ethylene-induced leaf hyponasty and petiole elongation.

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