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Novel Cell Types, Neurosecretory Cells, and Body Plan of the Early-Diverging Metazoan Trichoplax adhaerens [PDF]
Current Biology, 2014 Trichoplax adhaerens is the best-known member of the phylum Placozoa, one of the earliest-diverging metazoan phyla. It is a small disk-shaped animal that glides on surfaces in warm oceans to feed on algae. Prior anatomical studies of Trichoplax revealed that it has a simple three-layered organization with four somatic cell types.We reinvestigate the ...
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Functional Studies of Trichoplax adhaerens Voltage-Gated Calcium Channel Activity
2020Trichoplax adhaerens is a member of the phylum Placozoa, an enigmatic group of benthic animals with remarkably simple morphology. While initial work on these organisms has primarily focused on their morphology and the development of genomic resources, Trichoplax has received increased attention as a model for studying the evolution of nervous and ...
Julia, Gauberg +2 more
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Microfilaments and microtubules in isolated fiber cells of Trichoplax adhaerens (Placozoa)
Zoomorphology, 1989Fiber cells isolated by mechanical disruption of the tissue in Ca2+-free sea water attach firmly to the substrate by discrete adhesion plaques. They are capable of forming a lamellipodium and long, slender extensions while the cell bodies remain stationary. The extensions are slowly elongated but can suddenly be withdrawn by contraction.
Martin Thiemann, August Ruthmann
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Transepithelial Cytophagy by Trichoplax adhaerens F. E. Schulze (Placozoa) Feeding on Yeast
Zeitschrift Fur Naturforschung - Section C Journal of Biosciences, 1986 After accidental observations of unicellular algae trapped in the intermediate layer of Trichoplax, dead yeast cells were offered systematically as a food. Some of them could be found several hours later engulfed by the big tetraploid fibre cells closely beneath the dorsal epithelium of the animal.
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Trichoplax adhaerens F.E. Schulze (placozoa) in the scanning electron microscope
Zoomorphologie, 19791. The dorsal epithelium consists of flattened polygonal cells with various surface modifications including ruffles, microvilli-like projections, and small protruding vesicles. A double ridge arises where adjacent cells meet. The refractile lipid globules reach almost to the surface not by a pore, but by a slit between adjoining cells. There is some
Jürgen Rassat, August Ruthmann
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Adherens Junctions Modulate Diffusion between Epithelial Cells inTrichoplax adhaerens
The Biological Bulletin, 2016Trichoplax adhaerens is the sole named member of Placozoa, an ancient metazoan phylum. This coin-shaped animal glides on ventral cilia to find and digest algae on the substrate. It has only six cell types, all but two of which are incorporated into the epithelium that encloses it. The upper epithelium is thin, composed of a pavement of relatively large
Carolyn L, Smith, Thomas S, Reese
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On development and evolution of Trichoplax adhaerens (Placozoa)
2011[no abstract]
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2023
Submitted in total fulfillment of the requirements for the degree of Doctor of Philosophy to the School of Agriculture, Biomedicine and Environment, La Trobe University, Victoria, Australia.
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Submitted in total fulfillment of the requirements for the degree of Doctor of Philosophy to the School of Agriculture, Biomedicine and Environment, La Trobe University, Victoria, Australia.
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Zoomorphology, 1986
All cilia emerge from ciliary pits supported along their circumference by 22–24 dense rodlets that are connected by filaments to a surrounding sheath of endoplasmic reticulum. The proximal part of the basal body is provided with two short lateral rootlets and one long terminal rootlet, all associated with microtubules.
August Ruthmann +2 more
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All cilia emerge from ciliary pits supported along their circumference by 22–24 dense rodlets that are connected by filaments to a surrounding sheath of endoplasmic reticulum. The proximal part of the basal body is provided with two short lateral rootlets and one long terminal rootlet, all associated with microtubules.
August Ruthmann +2 more
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Ergänzende Untersuchungen zur Ultrastruktur von Trichoplax adhaerens F.E. Schulze (Placozoa)
Zoomorphology, 19811. Die Zellen des Ventralepithels bilden keine Mikrovilli, sondern ein schwammartiges Maschenwerk gefensterter Leisten und Falten, welches bei der Haftung des Tieres an der Unterlage und/oder bei der extrasomatischen Vorverdauung der Nahrung eine Rolle spielen durfte. 2. Wahrend der Zellteilungen treten typische Centriole an den Spindelpolen auf.
Karl G. Grell, Gertrud Benwitz
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