Results 271 to 280 of about 226,925 (292)

Noncanonical Nucleotides in the Genome Around the Maternal‐Zygotic Transition

Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, EarlyView.
In this paper, Kazzazi et al. provide a comprehensive review of the dynamics of nonconventional nucleotides in the genome during early developmental stages, hypothesizing a potential role for these nucleotides in the activation of the zygotic genome. ABSTRACT From the very moment of fertilization and throughout development, the cells of animal embryos ...
Latifa Kazzazy, Dávid Mező, Kinga K. Nagy, Viktória Perey‐Simon, Judit Tóth, Angéla Békési, Beáta Vértessy, Máté Varga   +7 more
wiley   +1 more source

Molluscan Shells, Spicules, and Gladii Are Evolutionarily Deeply Conserved

Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, EarlyView.
Evolutionarily conserved transcription factor encoding genes and other genes are expressed in the epithelia that give rise to spicules (green) and/or shells (blue) in developmental stages of diverse mollusks, including polyplacophorans, aplacophorans, scaphopods, and cephalopods.
Cristian Camillo Barrera Grijalba, Sonia Victoria Rodríguez Monje, Gabriela Ariza Aranguren, Kathrin Lunzer, Maik Scherholz, Emanuel Redl, Tim Wollesen   +6 more
wiley   +1 more source

Temporal evolution of plankton and particles distribution across a mesoscale front during the spring bloom

Limnology and Oceanography, EarlyView.
Abstract The effect of mesoscale features on the distribution of planktonic organisms are well documented. Yet, the interaction between these spatial features and the temporal scale, which can result in sudden increases of the planktonic biomass, is less known and not described at high resolution.
Thelma Panaïotis, Antoine Poteau, Émilie Diamond Riquier, Camille Catalano, Lucas Courchet, Solène Motreuil, Laurent Coppola, Marc Picheral, Jean‐Olivier Irisson   +8 more
wiley   +1 more source

Climate change–induced terrestrial matter runoff may decrease food web production in coastal ecosystems

Limnology and Oceanography, EarlyView.
Abstract Climate change is projected to cause elevated precipitation in northern Europe, leading to increased runoff of terrestrial matter to coastal areas. The consequences for food web production and ecosystem function remain unclear. A mesocosm experiment was performed to investigate the impacts of elevated terrestrial matter input, using a natural ...
Owen F. Rowe, Joanna Paczkowska, Andreas Brutemark, Sonia Brugel, Sachia J. Traving, Robert Lefébure, Fernanda Miranda, Liudmyla Guleikova, Evelina Griniene, Iveta Jurgensone, Pär Byström, Lasse Riemann, Agneta Andersson   +12 more
wiley   +1 more source

A new dynamic distribution model for Antarctic krill reveals interactions with their environment, predators, and the commercial fishery in the south Scotia Sea region

Limnology and Oceanography, EarlyView.
Abstract The management strategy for the Antarctic krill (Euphausia superba) fishery is being revised. A key aim is to spatially and temporally allocate catches in a manner that minimizes impacts to both the krill stock and dependent predators. This process requires spatial information on the distribution and abundance of krill, yet gaps exist for an ...
Jennifer J. Freer, Victoria Warwick‐Evans, Georg Skaret, Bjørn A. Krafft, Sophie Fielding, Philip N. Trathan   +5 more
wiley   +1 more source

Algal food identity affects morphological anti‐predatory defense in Daphnia pulex

Limnology and Oceanography, EarlyView.
Abstract Microcrustaceans of the genus Daphnia have evolved various inducible anti‐predator defenses; however, it is largely underexplored how the bottom‐up factor food quality may affect the extent of these defenses. A well‐studied example of an inducible defense is the deployment of neckteeth in Daphnia pulex in response to infochemicals from ...
Carlos Sánchez Arcos, Yannick Hill, Sandra Klintworth, Eric von Elert   +3 more
wiley   +1 more source

Picophytoplankton act as the primary consumers of excess phosphorus after the spring bloom in the eutrophic Baltic Sea

Limnology and Oceanography, EarlyView.
Abstract Eutrophication in the Baltic Sea has caused an imbalance in the inorganic nitrogen (N) to phosphorus (P) ratio, leaving excess phosphate (PO4) after the phytoplankton spring bloom that terminates after N depletion. Using monitoring data, we demonstrated that the PO4 concentration has continued to increase in the outermost Gulf of Finland ...
Kristian Spilling, Mari Vanharanta, Mariano Santoro, Cristian Villena‐Alemany, Matthias Labrenz, Hans‐Peter Grossart, Kasia Piwosz   +6 more
wiley   +1 more source

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The peripheral nervous system of the ascidian tadpole larva: Types of neurons and their synaptic networks

The Journal of comparative neurology, 2018
Physical and chemical cues from the environment are used to direct animal behavior through a complex network of connections originating in exteroceptors.
Kerrianne Ryan, Zhiyuan Lu, I. Meinertzhagen   +2 more
semanticscholar   +1 more source

In Vitro Antibacterial Activity of Black Soldier Fly (Hermetia Illucens) Larva Extracts Against Gram-Negative Bacteria

Buletin Peternakan, 2019
The aim of this study was to evaluate the in vitro antibacterial activity of Black soldier fly (BSF) larva extract. The BSF larva was extracted using methanol and then tested for antibacterial activity using agar diffusion method (zone growth inhibition).
Harlystiarini Harlystiarini, R. Mutia, I. Wibawan, D. Astuti   +3 more
semanticscholar   +1 more source

Visual Servoed Three-Dimensional Rotation Control in Zebrafish Larva Heart Microinjection System

IEEE Transactions on Biomedical Engineering, 2018
Objective: Zebrafish larva heart microinjection is a widely used technique in cardiac disease study. Compared with intensively researched rotation control of spherical or nearly spherical targets with clear structures, such as cells and embryos, 3-D ...
S. Zhuang, Weiyang Lin, Jie Zhong, Gefei Zhang, Li Li, Jianbin Qiu, Huijun Gao   +6 more
semanticscholar   +1 more source