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Nutrient Sensing in Plant Meristems [PDF]
Plants need nutrient to grow and plant cells need nutrient to divide. The meristems are the factories and cells that are left behind will expand and differentiate. However, meristems are not simple homogenous entities; cells in different parts of the meristem do different things. Positional cues operate that can fate cells into different tissue domains.
Dennis Francis+3 more
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Modelling meristem development in plants [PDF]
Meristems continually supply new cells for post-embryonic plant development and coordinate the initiation of new organs, such as leaves and flowers. Meristem function is regulated by a large and interconnected dynamic system that includes transcription networks, intercellular protein signalling, polarized transport of hormones and a constantly changing
Heisler, Marcus G., Jönsson, Henrik
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Autoreproductive cells and plant meristem construction: The case of the tomato cap meristem [PDF]
Root apical meristems are composed of two zones in which either formative or proliferative cell divisions occur. Within the formative zone, autoreproductive initial cells (a-cells) occupy distinctive locations. By means of graph-L-systems, the behavior of one such type of a-cells has been investigated, with particular reference to root caps within the ...
Barlow, PW, Lück, HB, Lück, J
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Increasing N deposition caused by intensive anthropogenic activities is expected to affect forest growth. However, the effects of N deposition on trees are still controversial due to the wide variability in results and experimental methods used.
Shaokang Zhang+17 more
doaj +1 more source
leafkin—An R package for automated kinematic data analysis of monocot leaves
Growth is one of the most studied plant responses. At the cellular level, plant growth is driven by cell division and cell expansion. A means to quantify these two cellular processes is through kinematic analysis, a methodology that has been developed ...
Jonas Bertels, Gerrit T.S. Beemster
doaj +1 more source
Localised auxin peaks in concentration-based transport models of the shoot apical meristem [PDF]
We study the formation of auxin peaks in a generic class of concentration-based auxin transport models, posed on static plant tissues. Using standard asymptotic analysis we prove that, on bounded domains, auxin peaks are not formed via a Turing instability in the active transport parameter, but via simple corrections to the homogeneous steady state ...
arxiv +1 more source
The COP9 SIGNALOSOME is required for postembryonic meristem maintenance in Arabidopsis thaliana [PDF]
Cullin-RING E3 ligases (CRLs) regulate different aspects of plant development, and are activated by modification of their cullin subunit with the ubiquitin-like protein NEDD8 (NEural precursor cell expressed Developmentally Down-regulated 8) (neddylation)
Boccaccini, Alessandra+10 more
core +1 more source
Transformation of Inhibitor of Meristem Activity (IMA) Gene into Jatropha curcas L.
Jatropha is one of the many biodiesel plants developed in tropical countries. Efforts to increase its productivity can be done using various methods of breeding. One of the breeding methods is the introduction of genes into the Jatropha plant. The aim of
Asri Pirade Paserang+3 more
doaj +1 more source
Organogenesis at the Shoot Apical Meristem [PDF]
Lateral organ initiation at the shoot apical meristem involves complex changes in growth rates and directions, ultimately leading to the formation of leaves, stems and flowers. Extensive molecular analysis identifies auxin and downstream transcriptional regulation as major elements in this process.
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Grass Meristems II: Inflorescence Architecture, Flower Development and Meristem Fate [PDF]
Plant development depends on the activity of various types of meristems that generate organs such as leaves and floral organs throughout the life cycle. Grass species produce complex inflorescences and unique flowers. The grass inflorescence is composed of different types of branches, including a specialized branch called a spikelet.
Wakana Tanaka+4 more
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