Full TGIF Record # 287841
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DOI:10.2134/itsrj2016.06.0508
Web URL(s):https://dl.sciencesocieties.org/publications/its/articles/13/1/527
    Last checked: 10/15/2019
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Xu, Lixin; Li, Feifei; Han, Liebao; Song, Guilong; Zhang, Xunzhong
Author Affiliation:Xu, Han, and Song: Institute of Turfgrass Science, Beijing Forestry Univ., Beijing, China; Li: Ecological Research Institute of Beijing TopGreen Group Company, Beijing Post-Doctoral Scientific Research Work Station, Beijing, China; Zhang: Dep. of Crop and Soil Environmental Science, Virginia Polytechnic Institute and State Univ., Blacksburg, VA
Title:Overexpression of Arabidopsis DREB1A gene in transgenic Poa pratensis: Impacts on osmotic adjustment and hormone metabolism under drought
Section:Physiology and stress physiology
Other records with the "Physiology and stress physiology" Section
Meeting Info.:New Brunswick, New Jersey: July 16-21, 2017
Source:International Turfgrass Society Research Journal. Vol. 13, 2017, p. 1-10.
Publishing Information:s.l.: International Turfgrass Society
# of Pages:10
Abstract/Contents:"Drought stress is a major limiting factor in turfgrass management in many regions. The objective of this study was to examine responses of transgenic Kentucky bluegrass (Poa pratensis L.) overexpressing an Arabidopsis DREB1A gene to drought stress. Five transgenic Kentucky bluegrass (cv. Baron) lines overexpressing AtDREB1A and wild-type (WT, nontransgenic plant) were subjected to water deficit for 12 d and then rewatering treatment for 3 d. Leaf relative water content (RWC), turf quality, electrolyte leakage (EL), osmoregulating compounds, abscisic acid (ABA), and indol-3-acetic acid (IAA) content were measured. Transgenic plants had higher RWC and turf quality and lower EL relative to WT plants during drought stress and recovery periods. In addition, the transgenic plants had greater osmotic adjustment associated with higher water-soluble carbohydrates (WSC), proline, and soluble protein in leaf tissues. The transgenic plants had higher IAA and lower ABA content relative to WT plants. The results suggest that the improvement of drought tolerance in transgenic Kentucky bluegrass overexpressing the DREB1A gene may have resulted from increased accumulation of organic solutes (WSC, proline, and protein) and alteration in hormone metabolism."
Language:English
References:55
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Xu, L., F. Li, L. Han, G. Song, and X. Zhang. 2017. Overexpression of Arabidopsis DREB1A gene in transgenic Poa pratensis: Impacts on osmotic adjustment and hormone metabolism under drought. Int. Turfgrass Soc. Res. J. 13:p. 1-10.
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DOI: 10.2134/itsrj2016.06.0508
Web URL(s):
https://dl.sciencesocieties.org/publications/its/articles/13/1/527
    Last checked: 10/15/2019
    Access conditions: Item is within a limited-access website
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