Results 161 to 170 of about 1,660 (182)

Xylogenesis Responses to a Mediterranean Climate in Holm Oak (Quercus ilex L.)

Forests
Quercus ilex L., an evergreen oak species typical of the western and central Mediterranean basin, is facing decline and dieback episodes due to the increase in the severity and frequency of heat waves and drought events.
Francesco Niccoli, Maks Merela, Angela Balzano   +2 more
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Xylogenesis, Genetic and Environmental Regulation-A Review-

IAWA Journal, 1996
A critique is provided of the physical and chemical control of primary and secondary xylem development in terms of mechanics, genetics, phylogenetics, and the larger field of plant physiology. Strengths and weaknesses of the phytohormone theory of vascular development are analyzed.
openaire   +1 more source

Collecting and Processing Wood Microcores for Monitoring Xylogenesis

2015
Detailed analyses of cambium activity and wood formation need repeated samplings of the developing xylem and specific procedures for sample preparation. In order to minimize the damage to the stem, wood samples are extracted as microcores. Because of the small size of the samples, inclusion in an embedding medium, such as paraffin, is suggested to ...
Annie Deslauriers, Sergio Rossi, Eryuan Liang   +2 more
openaire   +1 more source

Characterization of hemicelluloses from Neolamarckia cadamba (Rubiaceae) during xylogenesis

Carbohydrate Polymers, 2017
In this study, hemicelluloses were isolated from the apical, middle and basal segments of N. cadamba using a 2N KOH extraction procedure. Chemical composition and structural characterization of the three hemicellulosic fractions obtained were comparatively investigated by a combination of HPLC, GPC, FTIR, 1H,13C, HSQC NMR and TGA techniques.
Xianhai, Zhao, Tingting, Tong, HuiLing, Li, Haojun, Lu, Junli, Ren, Aiping, Zhang, Xiaomei, Deng, Xiaoyang, Chen, Ai-Min, Wu   +8 more
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Induction of cysteine and serine proteases during xylogenesis in Zinnia elegans

Plant Molecular Biology, 1996
The terminal process of xylogenesis, autolysis, is essential for the formulation of a tubular system for conduction of water and solutes throughout the whole plant. Several hydrolase types are implicated in autolysis responsible for the breakdown of cytoplasm.
Z H, Ye, J E, Varner
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Lengthening of the duration of xylogenesis engenders disproportionate increases in xylem production

Global Change Biology, 2014
AbstractIn cold climates, the expected global warming will lead to earlier cambial resumptions in spring, with a resultant lengthening of the growing season but unknown consequences on forest productivity. The phenological traits of cambium activity and xylem formation were analyzed at a short time scale along a thermal gradient represented by an alti ...
Rossi, Sergio, Girard, Marie-Josée, Morin, Hubert   +2 more
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NO way to die – nitric oxide, programmed cell death and xylogenesis

New Phytologist, 2004
○ Nitric oxide (NO) is currently regarded as a signal molecule involved in plant cell differentiation and programmed cell death. ○ Here, we investigated NO production in the differentiating xylem of Zinnia elegans by confocal laser scanning microscopy to answer the question of whether NO is produced during xylem differentiation.
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Targeted cell death in xylogenesis

2021
M C, McCann, N J, Stacey, K, Roberts
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Zinnia mesophyll culture system to study xylogenesis

1995
Xylem cells are formed from the procambium of the root and shoot in the primary xylem and from the vascular cambium in the secondary xylem. The main components of xylem cells are tracheary elements, which are characterized by the formation of secondary cell walls that thicken with annular, spiral, reticulate or pitted patterns.
Munetaka Sugiyama, Hiroo Fukuda
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FAIRWood: An open database for global xylogenesis research

Wood formation (xylogenesis) represents the mechanistic link between short-term physiological processes and long-term tree-ring patterns and thus provides a key entry point to connect processes, patterns, and predictions in tree growth research. Although numerous xylogenesis datasets already exist worldwide, their real strength emerges when they are ...
Patrick Fonti, Antoine Cabon, Omar Flores, Malcom Hughes, Cristina Nabais, Elena Larysch, Lorène Marchand, Kiyomi Morino, Mara Nägelin, Xiaoxia Li, Peter Prislan, Anne Sophie Sergent, Roberto Silvestro, Dominik Stangler, Wenjin Wang, Cyrille Rathgeber   +15 more
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