Cell-Cell Channels

Front Cover
František Baluška, Dieter Volkmann, Peter W. Barlow
Springer Science & Business Media, Aug 28, 2006 - Science - 321 pages
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he biological sciences are dominated by the idea that cells are the functionally autonomous, physically separated, discrete units of life. TThis concept was propounded in the 19th century by discoveries of the cellular structuring of both plants and animals. Moreover, the ap parent autonomy of unicellular eukaryotes, as well as the cellular basis of the mammalian brain (an organ whose anatomy for a long while defied attempts to validate the idea of the cellular nature of its neurons), seemed to provide the final conclusive evidence for the completeness of *cell theory', a theory which has persisted in an almost dogmatic form up to the present day. However, it is very obvious that there are numerous observations which indicate that it is not the cells which serve as the basic units of biological life but that this property falls to some other, subcellular assemblage. To deal with this intricate problem concerning the fundamental unit of living matter, we proposed the so-called Cell Body concept which, in fact, devel ops an exceedingly original idea proposed by Julius Sachs at the end of the 19th century. In the case of eukaryotic cells, DNA-enriched nuclei are intimately associated with a microtubular cytoskeleton. In this configuration—as a Cell Body—these two items comprise the fundamental functional and struc tural unit of eukaryotic living matter. The Cell Body seems to be inherent to all cells in all organisms.
 

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Contents

CellCell Channels in Filamentous Fungi Plants and Animals
9
Mating CellCell Channels in Conjugating Bacteria
21
The Tetrabymena Conjugation Junction
39
Cytoplasmic Bridges in Volvox and Its Relatives 65
64
An Inversion Motor in the Cytoplasmic Bridges
72
The Evolutionary Origins of Cytoplasmic Bridges that Persist
74
What Is the Relationship between Embryonic and Adult
81
CellCell Channels in Plants 101
100
TMV Movement Protein Targets CellCell Channels
148
Viral Movement Proteins Induce Tubule Formation
160
CellCell Movements of Transcription Factors in Plants
176
CellCell Channels in Animals
185
Membranous Channels
200
Cytoplasmic Bridges as CellCell Channels of Germ Cells
208
Fusome as a CellCell Communication Channel
217
Cytonemes as CellCell Channels in Human Blood Cells
236

SievePore Plugging Mechanisms 1
113
Actin and Myosin VIII in Plant CellCell Channels 1
119
Actin and Myosin VIII in PD of Algae and Herbaceous Plants
121
Cytoskeleton Endocytosis and PD
127
CellCell Communication in Wood
135
Paracellular Pores in Endothelial Barriers
245
Channels across Endothelial Cells
251
Molecular Transfers through Transient Lymphoid
267
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