ParaHox Genes Revisited: From Gut Patterning to Integrated Axial and Neural Organization in Rotifera
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
TCF/Lef regulates the Gsx ParaHox gene in central nervous system development in chordates [PDF]
This research was supported by a BBSRC-DTG studentship to M.G.G, and Clarendon, ORS and EPA Cephalosporin scholarships to P.W.O.Background The ParaHox genes play an integral role in the anterior-posterior (A-P) patterning of the nervous system and gut of
Ferrier, David Ellard Keith +2 more
core +1 more source
The Embryonic Development of the Cotylean Polyclad Phrikoceros jannetae
ABSTRACT Polyclads exhibit distinct developmental modes ranging from direct to indirect development, with several transitional stages also recognised. The existence of an indirect developmental mode in polyclads with a planktonic life history stage in the form of a free‐swimming larva is unique among all free‐living flatworms and makes polyclads a ...
Mehrez Gammoudi +6 more
wiley +1 more source
Variation in density of early stages, that is, larvae and juveniles, is a major determinant of the distribution and abundance of the adult population of most marine invertebrates.
Sarah Bouchemousse +2 more
doaj +1 more source
Prediction of conserved precursors of miRNAs and their mature forms by integrating position-specific structural features. [PDF]
MicroRNA (miRNA) precursor hairpins have a unique secondary structure, nucleotide length, and nucleotide content that are in most cases evolutionarily conserved. The aim of this study was to utilize position-specific features of miRNA hairpins to improve
Goro Terai +3 more
doaj +1 more source
The Greenland–Scotland Ridge in a Changing Ocean: Time to Act?
ABSTRACT The Greenland–Scotland Ridge is a submarine mountain that rises up to 500 m below the sea surface and extends from the east coast of Greenland to the continental shelf of Iceland and across the Faroe Islands to Scotland. The ridge not only separates deeper ocean basins on either side, that is, the North Atlantic and Arctic oceans, but also ...
Christophe Pampoulie +2 more
wiley +1 more source
Effect of colonial tunicate presence on Ciona intestinalis recruitment within a mussel farming environment [PDF]
Aquatic invasive species decrease yields and increase costs in aquaculture operations worldwide. Anecdotal evidence from Prince Edward Island (PEI, Canada) estuaries suggested that recruitment of the non-indigenous solitary tunicate Ciona intestinalis ...
Jeff Davidson +4 more
doaj
Matrix Adhesion Polarizes Heart Progenitor Induction In The Invertebrate Chordate Ciona Intestinalis [PDF]
Cell-matrix adhesion strongly influences developmental signaling. Resulting impacts on cell migration and tissue morphogenesis are well characterized. However, the in vivo impact of adhesion on fate induction remains ambiguous.
Cooley, J. +4 more
core +1 more source
Integration of epigenetics into ecotoxicology: insights and fundamental research needs
ABSTRACT Epigenetics refers to heritable changes in genome function that occur without direct alterations to the DNA sequence. A multitude of environmental contaminants can influence the epigenetic marks of a genome. Changes of epigenetic marks including DNA methylation, histone modifications, and non‐coding RNAs can induce alterations at the gene ...
Albano Pinto +3 more
wiley +1 more source
SNPs and Hox gene mapping in Ciona intestinalis [PDF]
The tunicate Ciona intestinalis (Enterogona, Ascidiacea), a major model system for evolutionary and developmental genetics of chordates, harbours two cryptic species. To assess the degree of intra- and inter-specific genetic variability, we report the identification and analysis of C. intestinalis SNP (Single Nucleotide Polymorphism) markers.
Biffali Elio +4 more
openaire +3 more sources

