Results 211 to 220 of about 25,693 (252)

Structure of lignins in developing xylem of Norway spruce

Plant Physiology and Biochemistry, 2006
The developing xylem in a Norway spruce (Picea abies) clone was investigated during a growth season and compared to lignin from sapwood of the same tree clone. Klason and acid-soluble lignin contents were determined as well as the carbohydrate monomer distribution and protein content.
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Plasmodesmata and pit development in secondary xylem elements

Planta, 1982
Developing pit membranes of secondary xylem elements in Drimys winteri, Fagus sylvatica, Quercus robur, Sorbus aucuparia, Tilia vulgaris and Trochodendron aralioides have been examined by transmission electron microscopy. Absence of plasmodesmata from the membranes of vessel elements and tracheids indicates that their pits develop independently of ...
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Trafficking of the cellulose synthase complex in developing xylem vessels

Biochemical Society Transactions, 2010
The potential for using cellulosic biomass as a source of fuel has renewed interest into how the large cellulose synthase complex deposits cellulose within the woody secondary walls of plants. This complex sits within the plasma membrane where it synthesizes numerous glucan chains which bond together to form the strong cellulose microfibril.
Wightman, Raymond, Turner, Simon; id_orcid 0000-0003-4859-1068   +1 more
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Regulation of Cellulose Biosynthesis in Developing Xylem

2001
ABSTRACT The advantages of using isolated mesophyll cells of Zinnia elegans as a model to study the regulation of cellulose synthesis will be discussed. These cells can be induced by different mechanisms to expand greatly via primary wall synthesis or to differentiate into tracheary elements with patterned secondary walls.
Candace H. Haigler, V. Michelle Babb, Sangjoon Hwang, Vadim V. Salnikov   +3 more
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THE DISTRIBUTION OF ACIDIC AND ESTERIFIED PECTIN IN CAMBIUM, DEVELOPING XYLEM AND MATURE XYLEM OF PINUS SYLVESTRIS

IAWA Journal, 2000
Homogalacturonans with low and high degree of methyl esterification have been immuno-localised in the cambium, differentiating xylem and mature xylem of Pinus sylvestris, by monoclonal antibodies JIM5 and JIM7. In the unlignified cambial tissue the antibodies revealed a similar distribution for acidic and esterified pectin in the compound middle ...
Jonas Hafrén, Geoffrey Daniel, Ulla Westermark   +2 more
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Live Imaging of Developing Xylem In Planta

2017
The xylem vessel develops from a long cylindrical cell that deposits a patterned secondary wall and ending with programmed cell death. The dynamic arrangement of cell wall enzymes, membranes and the cytoskeleton can be recorded using live fluorescence imaging.
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The Developing Architecture of Secondary Xylem in Conifers

Forest Science, 1964
Abstract It is suggested, that in the formation of coniferous tracheids, the amount of cell-wall material that can be developed in the maturation of a specific cell is a function of the parentage of the cell and is fixed for that cell at the time of cell division.
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Grapevine Xylem Development, Architecture, and Function

2015
Secondary xylem vessel elements within the stems of grapevine (Vitis vinifera L.) mature over several weeks and stems maintain a large proportion of living vessel elements throughout most of the growing season. Only approximately one-third of secondary vessels within current-year growth are active at any single time.
Anna L. Jacobsen, F. Daniela Rodriguez-Zaccaro, Tamani F. Lee, Jessica Valdovinos, Hayden S. Toschi, Justin A. Martinez, R. Brandon Pratt   +6 more
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CAMBIUM, a process-based model of daily xylem development in Eucalyptus

Journal of Theoretical Biology, 2010
In hardwoods such as Eucalyptus spp., xylem (wood) is a heterogeneous tissue consisting of multiple cell types. As such, xylem development involves multiple complex interactions. To describe and understand xylem development, and ultimately predict the resultant wood properties, a process-based approach to modelling wood property variation is ...
Drew, David M., Downes, Geoffrey M., Battaglia, Michael   +2 more
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Physical rupture of the xylem in developing sweet cherry fruit causes progressive decline in xylem sap inflow rate

Planta, 2017
Xylem flow is progressively shut down during maturation beginning with minor veins at the stylar end and progressing to major veins and finally to bundles at the stem end. This study investigates the functionality of the xylem vascular system in developing sweet cherry fruit (Prunus avium L.). The tracers acid fuchsin and gadoteric acid were fed to the
Eckhard, Grimm, Daniel, Pflugfelder, Dagmar, van Dusschoten, Andreas, Winkler, Moritz, Knoche   +4 more
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