Browsing Sars International Centre for Marine Molecular Biology by Issue Date
Now showing items 1-20 of 50
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Developmental expression of “germline”- and “sex determination”-related genes in the ctenophore Mnemiopsis leidyi
(BioMed Central, 2016-08-02)Background: An essential developmental pathway in sexually reproducing animals is the specification of germ cells and the differentiation of mature gametes, sperm and oocytes. The “germline” genes vasa, nanos ...Journal article -
Owenia fusiformis – a basally branching annelid suitable for studying ancestral features of annelid neural development
(BioMed Central, 2016-06-16)Background Comparative investigations on bilaterian neurogenesis shed light on conserved developmental mechanisms across taxa. With respect to annelids, most studies focus on taxa deeply nested within the annelid tree, ...Journal article -
Regulatory RNA at the root of animals: dynamic expression of developmental lincRNAs in the calcisponge Sycon ciliatum
(The Royal Society Publishing, 2015-12-23)Long non-coding RNAs (lncRNAs) play important regulatory roles during animal development, and it has been hypothesized that an RNA-based gene regulation was important for the evolution of developmental complexity in ...Journal article -
Posterior eyespots in larval chitons have a molecular identity similar to anterior cerebral eyes in other bilaterians
(BioMed Central, 2015-12-22)Background: Development of cerebral eyes is generally based on fine-tuned networks and closely intertwined with the formation of brain and head. Consistently and best studied in insects and vertebrates, many signaling ...Journal article -
Embracing the comparative approach: How robust phylogenies and broader developmental sampling impacts the understanding of nervous system evolution
(The Royal Society Publishing, 2015-11-09)Molecular biology has provided a rich dataset to develop hypotheses of nervous system evolution. The startling patterning similarities between distantly related animals during the development of their central nervous system ...Journal article -
Ultrastructural correlates of enhanced norepinephrine and neuropeptide y cotransmission in the spontaneously hypertensive rat brain
(Sage, 2015-10-29)The spontaneously hypertensive rat (SHR) replicates many clinically relevant features of human essential hypertension and also exhibits behavioral symptoms of attention-deficit/hyperactivity disorder and dementia. The SHR ...Journal article -
Assembly and positioning of actomyosin rings by contractility and planar cell polarity
(eLife, 2015-10-21)The actomyosin cytoskeleton is a primary force-generating mechanism in morphogenesis, thus a robust spatial control of cytoskeletal positioning is essential. In this report, we demonstrate that actomyosin contractility and ...Journal article -
Regulation of Nematostella neural progenitors by SoxB, Notch and bHLH genes
(The Company of Biologists Ltd, 2015-10-06)Notch signalling, SoxB and Group A bHLH ‘proneural’ genes are conserved regulators of the neurogenic program in many bilaterians. However, the ancestry of their functions and interactions is not well understood. We address ...Journal article -
Evolution and development of the adelphophagic, intracapsular Schmidt's larva of the nemertean Lineus ruber
(BioMed Central, 2015-09-28)Background: The life cycle of many animals includes a larval stage, which has diversified into an astonishing variety of ecological strategies. The Nemertea is a group of spiralians that exhibits a broad diversity of larval ...Journal article -
Transdifferentiation is a driving force of regeneration in Halisarca dujardini (Demospongiae, Porifera)
(PeerJ, 2015-08-25)The ability to regenerate is widespread in the animal kingdom, but the regenerative capacities and mechanisms vary widely. To understand the evolutionary history of the diverse regeneration mechanisms, the regeneration ...Journal article -
Morphological investigations of posttraumatic regeneration in Timarete cf. punctata (Annelida: Cirratulidae)
(BioMed Central, 2015-08-06)Introduction: Annelids exhibit great regenerative abilities, which are mainly used after injury or during reproduction. These lophotrochozoans thus represent excellent models for regeneration research. However, detailed ...Journal article -
The study of Priapulus caudatus reveals conserved molecular patterning underlying different gut morphogenesis in the Ecdysozoa
(BioMed Central, 2015-04-21)Background The digestive systems of animals can become highly specialized in response to their exploration and occupation of new ecological niches. Although studies on different animals have revealed commonalities in gut ...Journal article -
Mesodermal gene expression during the embryonic and larval development of the articulate brachiopod Terebratalia transversa
(BioMed Central, 2015-04-11)Background: Brachiopods undergo radial cleavage, which is distinct from the stereotyped development of closely related spiralian taxa. The mesoderm has been inferred to derive from the archenteron walls following gastrulation, ...Journal article -
Nuclear genomic signals of the “microturbellarian” roots of platyhelminth evolutionary innovation
(eLife Sciences Publications, 2015-03-12)Flatworms number among the most diverse invertebrate phyla and represent the most biomedically significant branch of the major bilaterian clade Spiralia, but to date, deep evolutionary relationships within this group have ...Journal article -
Getting to the bottom of anal evolution
(Elsevier, 2015-02-27)The digestive tract is an essential organ system that allows animals to efficiently digest food and take up nutrients to maintain growth and sustain the body. While some animal groups possess a sack-like gut, others possess ...Journal article -
Embryonic expression of endogenous retroviral RNAs in somatic tissues adjacent to the Oikopleura germline
(Oxford University Press, 2015)Selective pressure to maintain small genome size implies control of transposable elements, and most old classes of retrotransposons are indeed absent from the very compact genome of the tunicate Oikopleura dioica. Nonetheless, ...Journal article -
Molecular characterization of the apical organ of the anthozoan Nematostella vectensis
(Elsevier, 2014-12-03)Apical organs are sensory structures present in many marine invertebrate larvae where they are considered to be involved in their settlement, metamorphosis and locomotion. In bilaterians they are characterised by a tuft ...Journal article -
Calcareous sponge genomes reveal complex evolution of α-carbonic anhydrases and two key biomineralization enzymes
(BioMed Central, 2014-11-25)Background: Calcium carbonate biominerals form often complex and beautiful skeletal elements, including coral exoskeletons and mollusc shells. Although the ability to generate these carbonate structures was apparently ...Journal article -
Detailed reconstruction of the musculature in Limnognathia maerski (Micrognathozoa) and comparison with other Gnathifera
(BioMed Central, 2014-10-01)Introduction: Limnognathia maerski is the single species of the recently described taxon, Micrognathozoa. The most conspicuous character of this animal is the complex set of jaws, which resembles an even more intricate ...Journal article -
Development and juvenile anatomy of the nemertodermatid Meara stichopi (Bock) Westblad 1949 (Acoelomorpha)
(BioMed Central, 2014-07-07)Introduction: Nemertodermatida is the sister group of the Acoela, which together form the Acoelomorpha, a taxon that comprises bilaterally symmetric, small aquatic worms. While there are several descriptions of the embryology ...Journal article
