Results 131 to 140 of about 148,293 (161)
Stem cell regulation: conserved pluripotency, transcriptional, and metabolic networks in animals and plants. [PDF]
Huang Q +6 more
europepmc +1 more source
Ethylene as the Molecular Coordinator of the Plant Growth-Defense Trade-Off Under Biotic and Abiotic Stresses. [PDF]
Mia MR +7 more
europepmc +1 more source
Research Advances in MicroRNA-Mediated Regulation of Bamboo Organ Development. [PDF]
Yao W +5 more
europepmc +1 more source
Molecular and Genetic Regulation of Crop Root System Architecture in Drought Resilience. [PDF]
Wang Y +7 more
europepmc +1 more source
The Role of Brassinosteroids in Shoot Gravitropism [PDF]
In the current model of gravitropism, negative gravitropic (upward) growth of the shoot of a dicotyledonous plant involves sedimentation of starch-containing plastids (statoliths) in the endodermis (starch sheath). Here we show that high levels of brassinosteroids (BRs) counteract gravitropic growth, while BR deficiency enhances gravitropism ...
Olivier Leroux +2 more
exaly +6 more sources
Brassinosteroid Control of Shoot Gravitropism Interacts With Ethylene and Depends on Auxin Signaling Components [PDF]
• Premise of the study: To reach favorable conditions for photosynthesis, seedlings grow upward when deprived of light upon underground germination. To direct their growth, they use their negative gravitropic capacity. Negative gravitropism is under tight control of multiple hormones.• Methods: By counting the number of standing plants in a population ...
Petra Zadnikova +2 more
exaly +6 more sources
In higher plants, gravitropism proceeds through three sequential steps in the responding organs: perception of gravity signals, signal transduction and asymmetric cell elongation.
Chung-Mo Park, Jae Yong Ryu, Kon Baek
exaly +2 more sources
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The Endodermis and Shoot Gravitropism
Trends in Plant Science, 1999Shoots and roots of higher plants exhibit negative and positive gravitropism, respectively. A variety of gravitropic mutants have recently been isolated from Arabidopsis, the characterization of which demonstrates that the molecular mechanisms of the gravitropic responses in roots, hypocotyls and inflorescence stems are different.
Hidehiro Fukaki
exaly +3 more sources
Role of Endodermal Cell Vacuoles in Shoot Gravitropism
Journal of Plant Growth Regulation, 2002In higher plants, shoots and roots show negative and positive gravitropism, respectively. Data from surgical ablation experiments and analysis of starch deficient mutants have led to the suggestion that columella cells in the root cap function as gravity perception cells.
Takehide, Kato +2 more
openaire +2 more sources

