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The reduction in maize leaf growth under mild drought affects the transition between cell division and cell expansion and cannot be restored by elevated gibberellic acid levels

(2018) PLANT BIOTECHNOLOGY JOURNAL. 16(2). p.615-627
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Biotechnology for a sustainable economy (Bio-Economy)
Abstract
Growth is characterized by the interplay between cell division and cell expansion, two processes that occur separated along the growth zone at the maize leaf. To gain further insight into the transition between cell division and cell expansion, conditions were investigated in which the position of this transition zone was positively or negatively affected. High levels of gibberellic acid (GA) in plants overexpressing the GA biosynthesis gene GA20-OXIDASE (GA20OX-1(OE)) shifted the transition zone more distally, whereas mild drought, which is associated with lowered GA biosynthesis, resulted in a more basal positioning. However, the increased levels of GA in the GA20OX-1(OE) line were insufficient to convey tolerance to the mild drought treatment, indicating that another mechanism in addition to lowered GA levels is restricting growth during drought. Transcriptome analysis with high spatial resolution indicated that mild drought specifically induces a reprogramming of transcriptional regulation in the division zone. 'Leaf Growth Viewer' was developed as an online searchable tool containing the high-resolution data.
Keywords
SHOOT MERISTEM SIZE, PLANT WATER STATUS, TRANSCRIPTION FACTOR, ARABIDOPSIS-THALIANA, ORGAN SIZE, DEVELOPING LEAVES, DEVELOPMENTAL, DYNAMICS, OSMOTIC-STRESS, CYCLE ARREST, INBRED LINES, maize, mild drought, gibberellic acid, cell division

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Citation

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Chicago
Nelissen, Hilde, Xiaohuan Sun, Bart Rymen, Yusuke Jikumaru, Mikko Kojima, Yumiko Takebayashi, Rafael Abbeloos, et al. 2018. “The Reduction in Maize Leaf Growth Under Mild Drought Affects the Transition Between Cell Division and Cell Expansion and Cannot Be Restored by Elevated Gibberellic Acid Levels.” Plant Biotechnology Journal 16 (2): 615–627.
APA
Nelissen, H., Sun, X., Rymen, B., Jikumaru, Y., Kojima, M., Takebayashi, Y., Abbeloos, R., et al. (2018). The reduction in maize leaf growth under mild drought affects the transition between cell division and cell expansion and cannot be restored by elevated gibberellic acid levels. PLANT BIOTECHNOLOGY JOURNAL, 16(2), 615–627.
Vancouver
1.
Nelissen H, Sun X, Rymen B, Jikumaru Y, Kojima M, Takebayashi Y, et al. The reduction in maize leaf growth under mild drought affects the transition between cell division and cell expansion and cannot be restored by elevated gibberellic acid levels. PLANT BIOTECHNOLOGY JOURNAL. 2018;16(2):615–27.
MLA
Nelissen, Hilde, Xiaohuan Sun, Bart Rymen, et al. “The Reduction in Maize Leaf Growth Under Mild Drought Affects the Transition Between Cell Division and Cell Expansion and Cannot Be Restored by Elevated Gibberellic Acid Levels.” PLANT BIOTECHNOLOGY JOURNAL 16.2 (2018): 615–627. Print.
@article{8558127,
  abstract     = {Growth is characterized by the interplay between cell division and cell expansion, two processes that occur separated along the growth zone at the maize leaf. To gain further insight into the transition between cell division and cell expansion, conditions were investigated in which the position of this transition zone was positively or negatively affected. High levels of gibberellic acid (GA) in plants overexpressing the GA biosynthesis gene GA20-OXIDASE (GA20OX-1(OE)) shifted the transition zone more distally, whereas mild drought, which is associated with lowered GA biosynthesis, resulted in a more basal positioning. However, the increased levels of GA in the GA20OX-1(OE) line were insufficient to convey tolerance to the mild drought treatment, indicating that another mechanism in addition to lowered GA levels is restricting growth during drought. Transcriptome analysis with high spatial resolution indicated that mild drought specifically induces a reprogramming of transcriptional regulation in the division zone. 'Leaf Growth Viewer' was developed as an online searchable tool containing the high-resolution data.},
  author       = {Nelissen, Hilde and Sun, Xiaohuan and Rymen, Bart and Jikumaru, Yusuke and Kojima, Mikko and Takebayashi, Yumiko and Abbeloos, Rafael and Demuynck, Kirin and Storme, Veronique and Vuylsteke, Marnik and De Block, Jolien and Herman, Dorota and Coppens, Frederik and Maere, Steven and Kamiya, Yuji and Sakakibara, Hitoshi and Beemster, Gerrit and Inz{\'e}, Dirk},
  issn         = {1467-7644},
  journal      = {PLANT BIOTECHNOLOGY JOURNAL},
  keyword      = {SHOOT MERISTEM SIZE,PLANT WATER STATUS,TRANSCRIPTION FACTOR,ARABIDOPSIS-THALIANA,ORGAN SIZE,DEVELOPING LEAVES,DEVELOPMENTAL,DYNAMICS,OSMOTIC-STRESS,CYCLE ARREST,INBRED LINES,maize,mild drought,gibberellic acid,cell division},
  language     = {eng},
  number       = {2},
  pages        = {615--627},
  title        = {The reduction in maize leaf growth under mild drought affects the transition between cell division and cell expansion and cannot be restored by elevated gibberellic acid levels},
  url          = {http://dx.doi.org/10.1111/pbi.12801},
  volume       = {16},
  year         = {2018},
}

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