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Plant shoots exhibit synchronized oscillatory motions. [PDF]
In animals, the ability to move has evolved as an important means of protection from predators and for enhancing nutrient uptake. In the animal kingdom, an individual's movements may become coordinated with those of other individuals that belong to the same group, which leads, for example, to the beautiful collective patterns that are observed in ...
Ciszak M, Masi E, Baluška F, Mancuso S.
europepmc +9 more sources
Specification of epidermal cell fate in plant shoots [PDF]
Land plants have evolved a single layer of epidermal cells, which are characterized by mostly anticlinal cell division patterns, formation of a waterproof coat called cuticle, and unique cell types such as stomatal guard cells and trichomes. The shoot epidermis plays important roles not only to protect plants from dehydration and pathogens but also to ...
Hiroyuki Iida, Shinobu Takada
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Nitrate assimilation in plant shoots depends on photorespiration [PDF]
Photorespiration, a process that diminishes net photosynthesis by ≈25% in most plants, has been viewed as the unfavorable consequence of plants having evolved when the atmosphere contained much higher levels of carbon dioxide than it does today. Here we used two independent methods to show that exposure ofArabidopsisand wheat shoots to conditions that ...
Rachmilevitch, Shimon+2 more
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Shoot–Root Communication in Flowering Plants [PDF]
As sessile organisms, terrestrial plants have evolved sophisticated mechanisms to coordinate the growth and development of two distinct systems, the shoot and the root, in response to environmental fluctuations. Adaptive systemic responses are accomplished by shoot-root communication, which involves diverse long-distance signalling molecules.
Ykä Helariutta+2 more
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Strategy for shoot meristem proliferation in plants [PDF]
Shoot apical meristem (SAM) of plants harbors stem cells capable of generating the aerial tissues including reproductive organs. Therefore, it is very important for plants to control SAM proliferation and its density as a survival strategy. The SAM is regulated by the dynamics of a specific gene network, such as the WUS-CLV interaction of A.
Hironori Fujita, Masayoshi Kawaguchi
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A Statistical Description of Plant Shoot Architecture [PDF]
Plant architectures can be characterized statistically by their spatial density function, which specifies the probability of finding a branch at each location in the territory occupied by a plant. Using high-precision 3D scanning, we analyzed 557 plant shoot architectures, representing three species, grown across three to five environmental conditions,
Adam Conn+4 more
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Shoot development in plants: time for a change
The shoot system in plants progresses through several discrete phases during its development. Changes in the timing of these phases have important consequences for the morphogenesis of the shoot and are likely to be important in plant evolution. Genetic analysis of phase change in herbaceous plants, such as maize and Arabidopsis, has defined some of ...
E. J. R. Lawson, R. S. Poethig
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Inclination not force is sensed by plants during shoot gravitropism [PDF]
AbstractGravity perception plays a key role in how plants develop and adapt to environmental changes. However, more than a century after the pioneering work of Darwin, little is known on the sensing mechanism. Using a centrifugal device combined with growth kinematics imaging, we show that shoot gravitropic responses to steady levels of gravity in four
Chauvet, Hugo+4 more
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Monocotyledonous plants graft at the embryonic root–shoot interface
Grafting is possible in both animals and plants. Although in animals the process requires surgery and is often associated with rejection of non-self, in plants grafting is widespread, and has been used since antiquity for crop improvement1. However, in the monocotyledons, which represent the second largest group of terrestrial plants and include many ...
Reeves, Gregory+11 more
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A Role for Shoot Protein in Shoot–Root Dry Matter Allocation in Higher Plants [PDF]
It is stated in many recent publications that nitrate (NO3-) acts as a signal to regulate dry matter partitioning between the shoot and root of higher plants. Here we challenge this hypothesis and present evidence for the viewpoint that NO3- and other environmental effects on the shoot:root dry weight ratio (S:R) of higher plants are often related ...
Andrews, M.+3 more
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