Results 151 to 160 of about 2,485 (179)

Placozoa

, 2015
Bernd Schierwater, Michael Eitel
openaire   +2 more sources

Ultrastructural analyses support different morphological lineages in the phylum placozoa Grell, 1971

Journal of Morphology, 2011
The morphology and ultrastructure of 10 clonal placozoan lineages were studied. We scored several morphological characters at a cellular and intracellular level and identified a number of morphological differences among clones.
Loretta Guidi, Michael Eitel, Erica Cesarini   +2 more
exaly   +2 more sources

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Life Strategies in Placozoa

2021
Abstract Placozoans 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 of Trichoplax and
Daria Y. Romanova, Mikhail A. Nikitin, Sergey V. Shchenkov, Leonid L. Moroz   +3 more
openaire   +1 more source

Placozoa

, 2001
Otávio H Thiemann
exaly   +2 more sources

Placozoa: at least two

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, Christian Selig, Tobias Müller, Nicole Philippi, Thomas Dandekar, Jörg Schultz   +5 more
openaire   +1 more source

On the genetic uniformity of the genus Trichoplax (Placozoa)

Russian Journal of Genetics, 2004
Fragments of the nuclear and mitochondrial genes for the large-subunit rRNA were compared for Trichoplax sp. and T. adhaerens. High similarity was observed for their sequences, suggesting that different Trichoplax isolates belong to one species.
V V, Aleshin, A V, Konstantinova, M A, Nikitin, I L, Okshteĭn   +3 more
openaire   +2 more sources

Spherical forms ofTrichoplax adhaerens (Placozoa)

Zoomorphology, 1990
Two types of spherical forms of this normally flattened organism appear sporadically in our cultures. Hollow spheres have an outer wall of flagellated ventral epithelium. The large fiber cells protrude into the central cavity which can include a closed compartment of flagellated dorsal epithelium.
Martin Thiemann, August Ruthmann
openaire   +1 more source

Brief History of Placozoa

Placozoans are morphologically the simplest free-living animals. They represent a unique window of opportunities to understand both the origin of the animal organization and the rules of life for the system and synthetic biology of the future. However, despite more than 100 years of their investigations, we know little about their organization, natural
Daria Y, Romanova, Leonid L, Moroz
openaire   +2 more sources

The cytoskeleton of the fiber cells of Trichoplax adhaerens (Placozoa)

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.
Gabriele Behrendt, August Ruthmann
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Microfilaments and microtubules in isolated fiber cells of Trichoplax adhaerens (Placozoa)

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
openaire   +1 more source