Planta (2017) 246:453–469 DOI 10.1007/s00425-017-2704-x ORIGINAL ARTICLE ABP9, a maize bZIP transcription factor, enhances tolerance to salt and drought in transgenic cotton 1,2 1 1 1 • • • • Chunling Wang Guoqing Lu Yuqiong Hao Huiming Guo 2 1 1 • • Yan Guo Jun Zhao Hongmei Cheng Received: 22 November 2016 / Accepted: 28 April 2017 / Published online: 4 May 2017 Springer-Verlag Berlin Heidelberg 2017 Abstract tolerance to salt and osmotic stress. Under stress, they Main conclusion ABP9, encoding a bZIP transcription developed better root systems in a greenhouse and higher factor from maize, enhances tolerance to multiple germination, reduced stomatal aperture, and stomatal stresses and may participate in the ABA signaling density in a growth chamber. Under drought conditions, pathway in transgenic cotton by altering physiological survival rate and relative water content (RWC) of trans- and biochemical processes and stress-related gene genic cotton were higher than those of R15 plants. Under expression. salt and osmotic stresses, chlorophyll, proline, and soluble sugar contents signiﬁcantly increased in transgenic cotton Abiotic stresses, such as soil salinity and drought, nega- leaves and the malondialdehyde (MDA) content was lower tively affect growth, development, and yield in cotton. than in R15.
Planta – Springer Journals
Published: May 4, 2017
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