Neuronal Cav3 channelopathies: recent progress and perspectives

P Lory, S Nicole, A Monteil - Pflügers Archiv-European Journal of …, 2020 - Springer
T-type, low-voltage activated, calcium channels, now designated Cav3 channels, are
involved in a wide variety of physiological functions, especially in nervous systems. Their …

Evolutionary origin of synapses and neurons–Bridging the gap

P Burkhardt, SG Sprecher - Bioessays, 2017 - Wiley Online Library
The evolutionary origin of synapses and neurons is an enigmatic subject that inspires much
debate. Non‐bilaterian metazoans, both with and without neurons and their closest relatives …

High cell diversity and complex peptidergic signaling underlie placozoan behavior

F Varoqueaux, EA Williams, S Grandemange… - Current Biology, 2018 - cell.com
Placozoans, together with sponges, are the only animals devoid of a nervous system and
muscles, yet both respond to sensory stimulation in a coordinated manner. How behavioral …

Neuropeptidergic integration of behavior in Trichoplax adhaerens, an animal without synapses

A Senatore, TS Reese… - Journal of Experimental …, 2017 - journals.biologists.com
Trichoplax adhaerens is a flat, millimeter-sized marine animal that adheres to surfaces and
grazes on algae. Trichoplax displays a repertoire of different feeding behaviors despite the …

Sodium action potentials in placozoa: Insights into behavioral integration and evolution of nerveless animals

DY Romanova, IV Smirnov, MA Nikitin, AB Kohn… - Biochemical and …, 2020 - Elsevier
Placozoa are small disc-shaped animals, representing the simplest known, possibly
ancestral, organization of free-living animals. With only six morphological distinct cell types …

The enigmatic Placozoa part 1: Exploring evolutionary controversies and poor ecological knowledge

B Schierwater, HJ Osigus, T Bergmann… - …, 2021 - Wiley Online Library
The placozoan Trichoplax adhaerens is a tiny hairy plate and more simply organized than
any other living metazoan. After its original description by FE Schulze in 1883, it attracted …

Evolution of animal neural systems

BJ Liebeskind, HA Hofmann, DM Hillis… - Annual review of …, 2017 - annualreviews.org
Nervous systems are among the most spectacular products of evolution. Their provenance
and evolution have been of interest and often the subjects of intense debate since the late …

Divergent Ca2+/calmodulin feedback regulation of CaV1 and CaV2 voltage-gated calcium channels evolved in the common ancestor of Placozoa and Bilateria

J Gauberg, W Elkhatib, CL Smith, A Singh… - Journal of Biological …, 2022 - ASBMB
Ca V 1 and Ca V 2 voltage-gated calcium channels evolved from an ancestral Ca V 1/2
channel via gene duplication somewhere near the stem animal lineage. The divergence of …

Calmodulin regulates Cav3 T-type channels at their gating brake

J Chemin, V Taiakina, A Monteil, M Piazza… - Journal of Biological …, 2017 - ASBMB
Calcium (Ca v 1 and Ca v 2) and sodium channels possess homologous CaM-binding
motifs, known as IQ motifs in their C termini, which associate with calmodulin (CaM), a …

A Na+ leak channel cloned from Trichoplax adhaerens extends extracellular pH and Ca2+ sensing for the DEG/ENaC family close to the base of Metazoa

W Elkhatib, CL Smith, A Senatore - Journal of Biological Chemistry, 2019 - ASBMB
Acid-sensitive ion channels belonging to the degenerin/epithelial sodium channel
(DEG/ENaC) family activate in response to extracellular protons and are considered unique …