Coordinated Feeding Behavior in Trichoplax, an Animal without Synapses [PDF]
PLoS ONE, 2015 Trichoplax is a small disk-shaped marine metazoan that adheres to substrates and locomotes by ciliary gliding. Despite having only six cell types and lacking synapses Trichoplax coordinates a complex sequence of behaviors culminating in external ...
Carolyn L Smith, Thomas J Reese
exaly +2 more sources
Cells containing aragonite crystals mediate responses to gravity in Trichoplax adhaerens (Placozoa), an animal lacking neurons and synapses [PDF]
PLoS ONE, 2018 Trichoplax adhaerens has only six cell types. The function as well as the structure of crystal cells, the least numerous cell type, presented an enigma. Crystal cells are arrayed around the perimeter of the animal and each contains a birefringent crystal.
Tatiana D Mayorova +2 more
exaly +2 more sources
Metabolic and Chaperone Gene Loss Marks the Origin of Animals: Evidence for Hsp104 and Hsp78 Sharing Mitochondrial Clients [PDF]
, 2015 The evolution of animals involved acquisition of an emergent gene repertoire for gastrulation. Whether loss of genes also co-evolved with this developmental reprogramming has not yet been addressed.
Erives, Albert, Fassler, Jan
core +13 more sources
Differentiation of Crystal Cells, Gravity-Sensing Cells in the Placozoan Trichoplax adhaerens
Journal of Marine Science and Engineering, 2021 Trichoplax adhaerens are simple animals with no nervous system, muscles or body axis. Nevertheless, Trichoplax demonstrate complex behaviors, including responses to the direction of the gravity vector.
Tatiana D. Mayorova
doaj +1 more source
Amino acids integrate behaviors in nerveless placozoans
Frontiers in Neuroscience, 2023 Placozoans are the simplest known free-living animals without recognized neurons and muscles but a complex behavioral repertoire. However, mechanisms and cellular bases of behavioral coordination are unknown.
Mikhail A. Nikitin +4 more
doaj +1 more source
The early ANTP gene repertoire: insights from the placozoan genome. [PDF]
PLoS ONE, 2008 The evolution of ANTP genes in the Metazoa has been the subject of conflicting hypotheses derived from full or partial gene sequences and genomic organization in higher animals.
Bernd Schierwater +5 more
doaj +1 more source
Bioeffects of Prunus spinosa L. fruit ethanol extract on reproduction and phenotypic plasticity of Trichoplax adhaerens Schulze, 1883 (Placozoa) [PDF]
PeerJ, 2019 The aim of this work was to test and analyse the bioeffects of Prunus spinosa L. (Rosacaee) fruit ethanol extract on Trichoplax adhaerens Schulze, 1883 (Placozoa) laboratory cultures which—for the first time—were employed as in vivo biological model to ...
Maria Cristina Albertini +12 more
doaj +2 more sources
The evolution of the four subunits of voltage-gated calcium channels : ancient roots, increasing complexity, and multiple losses [PDF]
, 1992 © The Author(s), 2014. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Genome Biology and Evolution 6 (2014): 2210-2217, doi:10.1093/gbe/evu177.The alpha subunits of voltage-
Moran, Yehu, Zakon, Harold H.
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Placozoan fiber cells: mediators of innate immunity and participants in wound healing
Scientific Reports, 2021 Placozoa is a phylum of non-bilaterian marine animals. These small, flat organisms adhere to the substrate via their densely ciliated ventral epithelium, which mediates mucociliary locomotion and nutrient uptake.
Tatiana D. Mayorova +7 more
doaj +1 more source
PLoS Biology, 2021 Trichoplax adhaerens is the simplest multicellular animal with tissue differentiation and somatic cell turnover. Like all other multicellular organisms, it should be vulnerable to cancer, yet there have been no reports of cancer in T.
Angelo Fortunato +3 more
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