Results 181 to 190 of about 2,600 (209)
Conserved Genes in Highly Regenerative Metazoans Are Associated with Planarian Regeneration. [PDF]
Genome Biol EvolChereddy SCRR, Makino T.
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2021
AbstractPlacozoans are essential reference species for understanding the origins and evolution of the animal organization. However, little is known about their life strategies in natural habitats. Here, by establishing long-term culturing for four species ofTrichoplaxandHoilungia, we extend our knowledge about feeding and reproductive adaptations ...
S. V. Shchenkov +5 more
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AbstractPlacozoans are essential reference species for understanding the origins and evolution of the animal organization. However, little is known about their life strategies in natural habitats. Here, by establishing long-term culturing for four species ofTrichoplaxandHoilungia, we extend our knowledge about feeding and reproductive adaptations ...
S. V. Shchenkov +5 more
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The cytoskeleton of the fiber cells of Trichoplax adhaerens (Placozoa) [PDF]
Zoomorphology, 1986 The cytoskeleton of Trichoplax adhaerens fiber cells was studied after chemical fixation, freeze-substitution, lysis of attached cells with nonionic detergents and by immunofluorescence. Cytoskeletal elements present in the cell bodies and reaching into the extensions include microtubules, intermediate filaments, 6–7 nm and 2–3 nm microfilaments.
August Ruthmann, Gabriele Behrendt
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Biologia, 2007
It was shown that compensatory base changes (CBCs) in internal transcribed spacer 2 (ITS2) sequence-structure alignments can be used for distinguishing species. Using the ITS2 Database in combination with 4SALE — a tool for synchronous RNA sequence and secondary structure alignment and editing — in this study we present an in-depth CBC analysis for ...
Matthias Wolf +5 more
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It was shown that compensatory base changes (CBCs) in internal transcribed spacer 2 (ITS2) sequence-structure alignments can be used for distinguishing species. Using the ITS2 Database in combination with 4SALE — a tool for synchronous RNA sequence and secondary structure alignment and editing — in this study we present an in-depth CBC analysis for ...
Matthias Wolf +5 more
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Microfilaments and microtubules in isolated fiber cells of Trichoplax adhaerens (Placozoa) [PDF]
Zoomorphology, 1989 Fiber 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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The evolution of the placozoa: A new morphological model
Senckenbergiana lethaea, 2002The evolutionary history of the placozoanTrichoplax adhaerens is reconstructed from a hypothetical ‘gallertoid’ ancestor. According to this approach the Placozoa derived from an early benthic gallertoid stage, the ‘placuloid’. The sequence of morphological transformations leading to the placozoan bauplan can be deduced from biomechanical and functional
Syed, T., Schierwater, B.
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Placozoa and the evolution of Metazoa and intrasomatic cell differentiation
The International Journal of Biochemistry & Cell Biology, 2009The multicellular Metazoa evolved from single-celled organisms (Protozoa) and usually - but not necessarily - consist of more cells than Protozoa. In all cases, and thus by definition, Metazoa possess more than one somatic cell type, i.e. they show-in sharp contrast to protists-intrasomatic differentiation.
Rob DeSalle +2 more
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2021.
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