Developmental Ultrastructure in Gymnosperms
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Cells of conifers contain a variety of intriguing ultrastructural features which are expressed either in specific cell types or at specific stages of cell development. This chapter will describe several such structural features that are found in the primary tissues of roots. Root cells are not yet a common source of explants for cell and tissue culture studies and their potential for clonal propagation remains largely unexplored. However, the data in this chapter are being presented so that, in the future, development in vitro might be compared with cell type-specific structural development which occurs in vivo. In addition, it is hoped that these data will suggest ways in which conifer cells could be used to investigate questions that are of general interest to many cell biologists.
KeywordsQuiescent Center Cytoplasmic Streaming Barley Yellow Dwarf Virus Tissue Culture Study Intracellular Motility
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