Intercellular junctions in nerve-free hydra
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Intercellular junctions in nerve-free hydra. / McDowall, A W; Grimmelikhuijzen, C J.
I: Cell and Tissue Research, Bind 209, Nr. 2, 01.01.1980, s. 217-24.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Intercellular junctions in nerve-free hydra
AU - McDowall, A W
AU - Grimmelikhuijzen, C J
PY - 1980/1/1
Y1 - 1980/1/1
N2 - Epithelial cells of nerve-free hydra contain septate and gap junctions. In thin sections the gap junctions are characterized by a gap of 3-4 nm. Freeze-fracture demonstrates the presence of septate junctions and two further types of structures: (i) the "E-type" or "inverted" gap junctions with particles in an "enplaque conformation appearing as a raised plateau on the E-face or as a depression on the P-face; (ii) structures morphologically similar to gap junctions in rat liver, containing particles on the P-face and corresponding pits on the E-face, both having hexagonal packing with a lattice constant of 8 nm. We propose that these structures are also gap junctions.
AB - Epithelial cells of nerve-free hydra contain septate and gap junctions. In thin sections the gap junctions are characterized by a gap of 3-4 nm. Freeze-fracture demonstrates the presence of septate junctions and two further types of structures: (i) the "E-type" or "inverted" gap junctions with particles in an "enplaque conformation appearing as a raised plateau on the E-face or as a depression on the P-face; (ii) structures morphologically similar to gap junctions in rat liver, containing particles on the P-face and corresponding pits on the E-face, both having hexagonal packing with a lattice constant of 8 nm. We propose that these structures are also gap junctions.
KW - Animals
KW - Epithelium
KW - Freeze Fracturing
KW - Hydra
KW - Intercellular Junctions
M3 - Journal article
C2 - 7397766
VL - 209
SP - 217
EP - 224
JO - Cell and Tissue Research
JF - Cell and Tissue Research
SN - 0302-766X
IS - 2
ER -
ID: 33514959