Results 41 to 50 of about 2,188 (159)
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
Evaluating 18S Phylogenetic Placement Accuracy to Uncover Hidden Diversity in Non‐Bilaterian Animals
Environmental DNA, Volume 8, Issue 4, July‐August 2026.We assembled the largest curated non‐bilaterian 18S reference dataset and demonstrate that barcode choice strongly influences phylogenetic placement accuracy. Full‐length 18S provides the most robust framework for biodiversity discovery, recovering previously unknown non‐bilaterian lineages, whereas V9 should be interpreted with caution. ABSTRACT Small
Javier Arañó‐Ansola +10 more
wiley +1 more source
Identification, distribution and molecular evolution of the pacifastin gene family in Metazoa
BMC Evolutionary Biology, 2009 Background Members of the pacifastin family are serine peptidase inhibitors, most of which are produced as multi domain precursor proteins. Structural and biochemical characteristics of insect pacifastin-like peptides have been studied intensively, but ...
Van Soest Sofie +4 more
doaj +1 more source
Communications Biology, 2023 ASIC channels are bilaterian proton-gated sodium channels belonging to the large and functionally-diverse Deg/ENaC family that also includes peptide- and mechanically-gated channels.
Wassim Elkhatib +7 more
doaj +1 more source
ParaHox Genes Revisited: From Gut Patterning to Integrated Axial and Neural Organization in Rotifera
Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, Volume 346, Issue 4, Page 357-369, June 2026.In rotifers, ParaHox genes show a dispersed genomic organization, with Xlox absent across gnathiferans. Exclusive neuronal expression of Gsx and Cdx reveals that ancestral ParaHox genes coordinated neural and epithelial development beyond gut patterning, suggesting an integrated role in early bilaterian body plan organization.
Andreas C. Fröbius +2 more
wiley +1 more source
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
Environmental DNA, Volume 8, Issue 3, May–June 2026.Direct eDNA metabarcoding is the most scalable method for large benthic monitoring programs, provided that sampling effort is increased to compensate for slightly lower per‐sample biodiversity recovery. ABSTRACT DNA metabarcoding offers prospects to assess benthic biodiversity in a more scalable and comprehensive way, but processing methods remain ...
Miriam I. Brandt +4 more
wiley +1 more source
Evolution of g-type lysozymes in metazoa: insights into immunity and digestive adaptations
Frontiers in Cell and Developmental BiologyExploring the evolutionary dynamics of lysozymes is critical for advancing our knowledge of adaptations in immune and digestive systems. Here, we characterize the distribution of a unique class of lysozymes known as g-type, which hydrolyze key components
Krishanu Mukherjee +2 more
doaj +1 more source
Support for a clade of Placozoa and Cnidaria in genes with minimal compositional bias
eLife, 2018 The phylogenetic placement of the morphologically simple placozoans is crucial to understanding the evolution of complex animal traits. Here, we examine the influence of adding new genomes from placozoans to a large dataset designed to study the deepest ...
Christopher E Laumer +6 more
doaj +1 more source
Evolutionary Applications, Volume 19, Issue 5, May 2026.ABSTRACT Crustaceans, such as shrimp and crabs, are pivotal to global aquaculture, yet their productivity is severely impacted by low‐temperature stress. This study employs comparative transcriptomic and genomic analyses to elucidate the molecular mechanisms underlying crustacean responses to cold stress across five economically significant species ...
Ying Chen +7 more
wiley +1 more source