Results 111 to 120 of about 3,289 (189)
Trichoplax adhaerens F. E. Schulze (Placozoa): The Formation of Swarmers
Abstract Flageilated swarmers representing an alternative mode of asexual reproduction are budded off as hollow spheres at the dorsal surface. They are covered by cells of the dorsal epithelium and the interior cavity is lined by ventral epithelium. Fiber cells are in the interspace.
Martin Thiemann, August Ruthmann
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A Tale of Two Drug Targets: The Evolutionary History of BACE1 and BACE2
The beta amyloid (APP) cleaving enzyme (BACE1) has been a drug target for Alzheimer's Disease (AD) since 1999 with lead inhibitors now entering clinical trials.
Christopher eSouthan, John eHancock
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Emergence, development and diversification of the TGF-
Background The question of how genomic processes, such as gene duplication, give rise to co-ordinated organismal properties, such as emergence of new body plans, organs and lifestyles, is of importance in developmental and evolutionary biology.
Moustakas Aristidis +5 more
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Abstract In the primitive metazoan, Trichoplax adhaerens, the fiber cells are responsible for the change of shape. Electron microscopy reveals connections between protoplasmic strands of neighbouring cells marked by an osmiophilic disc-like structure. Possible functions are discussed.
F Schulze +3 more
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Background The Sp-family of transcription factors are evolutionarily conserved zinc finger proteins present in many animal species. The orthology of the Sp genes in different animals is unclear and their evolutionary history is therefore controversially ...
Wimmer Ernst A +2 more
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The primitive metazoon, Trichoplax adhaerens (Placozoa), can easily be cultivated with Nauplius larvae of the brine shrimp, Artemia salina, killed by heating, as food ...
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Origin and diversification of steroids: Co-evolution of enzymes and nuclear receptors [PDF]
Recent sequencing of amphioxus and sea urchin genomes has provided important data for understanding the origins of enzymes that synthesize adrenal and sex steroids and the receptors that mediate physiological response to these vertebrate steroids ...
Michael E. Baker
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Abstract In contrast with the outmost uniform aspect of Trichoplax there is a clear cut differentiation between marginal and central cell territories. Dissection and transplantation as well as vital staining show that the marginal material is restricted to a seam approximately 20 μm in width, surrounding the much larger mass of central ...
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Thermotaxis in an apolar, non-neuronal animal. [PDF]
Zhong G, Kroo L, Prakash M.
europepmc +1 more source
Mionelminthes, Trichoplax und Trematodes.
H. Alexander Pagenstecher +1 more
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