Full TGIF Record # 269582
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DOI:10.1007/s13580-016-0113-x
Web URL(s):https://link.springer.com/content/pdf/10.1007%2Fs13580-016-0113-x.pdf
    Last checked: 10/06/2017
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Puyang, Xuehua; An, Mengying; Xu, Lixin; Han, Liebao; Zhang, Xunzhong
Author Affiliation:Puyang, An, Xu, and Han: Turfgrass Research Institute, Beijing Forestry University; An: Beijing No. 18 High School, Beijing, P.R. China; Zhang: Department of Crop and Soil Environmental Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA
Title:Protective effect of exogenous spermidine on ion and polyamine metabolism in Kentucky bluegrass under salinity stress
Source:Horticulture, Environment and Biotechnology. Vol. 57, No. 1, February 2016, p. 11-19.
# of Pages:9
Publishing Information:Suwon, Korea: Korean Society for Horticultural Science
Related Web URL:https://link.springer.com/article/10.1007/s13580-016-0113-x
    Last checked: 10/06/2017
    Notes: Abstract only
Keywords:TIC Keywords: Electrolyte leakage; Poa pratensis; Polyamines; Proline; Salinity stress; Salt tolerance; Spermidine
Abstract/Contents:"Spermidine (Spd) acts as a plant protectant under salinity stress. The objective of this study was to determine whether exogenous Spd pre-treatment could improve the salinity tolerance of Kentucky bluegrass (Poa pratensis L.). Exogenous Spd was applied before the grass was exposed to 200 mM sodium chloride (NaCl) for 28 d in the growth chamber. Salinity stress decreased chlorophyll (Chl) content, K+/Na+ ratio and K+, Ca2+, and Mg2+ contents, and increased electrolyte leakage (EL), proline, Na+, putrescine (Put), Spd and Spermine (Spm) levels and the activities of arginine decarboxylase (ADC), ornithine decarboxylase (ODC), S-adenosylmethionine decarboxylase (SAMDC) and polyamine oxidase (PAO). Pre-treatment with 1 mM Spd effectively alleviated the decline of Chl content, K+/Na+ ratio and K+, Ca2+, and Mg2+ contents under salinity stress conditions. Spd pre-treatment also reduced EL, Na+ content, Put levels and the activities of ADC and PAO, but increased proline content, endogenous Spd and Spm levels and the activities of ODC and SAMDC upon salinity stress. These results indicate that exogenous Spd pre-treatment could enhance salinity tolerance by increasing proline levels and regulating ion and polyamine metabolism."
Language:English
References:53
Note:Figures
Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Puyang, X., M. An, L. Xu, L. Han, and X. Zhang. 2016. Protective effect of exogenous spermidine on ion and polyamine metabolism in Kentucky bluegrass under salinity stress. J. Korean Soc. Hortic. Sci. 57(1):p. 11-19.
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DOI: 10.1007/s13580-016-0113-x
Web URL(s):
https://link.springer.com/content/pdf/10.1007%2Fs13580-016-0113-x.pdf
    Last checked: 10/06/2017
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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