Results 11 to 20 of about 2,434 (235)

Evolution, Expression Patterns, and Distribution of Novel Ribbon Worm Predatory and Defensive Toxins [PDF]

Molecular Biology and Evolution, 2022
Ribbon worms are active predators that use an eversible proboscis to inject venom into their prey and defend themselves with toxic epidermal secretions.
Aida Verdes, Sergi Taboada, Brett Hamilton   +2 more
exaly   +10 more sources

Investigating Non-Native Ribbon Worm Cephalothrix simula as a Potential Source of Tetrodotoxin in British Bivalve Shellfish [PDF]

Marine Drugs
Tetrodotoxin (TTX) is a potent marine neurotoxin found in several phylogenetically diverse organisms, some of which are sought as seafood. Since 2015, TTX has been reported in bivalve shellfish from several estuarine locations along the Mediterranean and
Monika Dhanji-Rapkova, Robert G. Hatfield, David I. Walker, Chantelle Hooper, Sarah Alewijnse, Craig Baker-Austin, Andrew D. Turner, Jennifer M. Ritchie   +7 more
doaj   +3 more sources

A shore-based preliminary survey of marine ribbon worms (Nemertea) from the Caribbean coast of Colombia [PDF]

ZooKeys, 2014
A checklist of benthic ribbon worm species from the Caribbean coast of Colombia is presented, including synonyms, distributions, a photographic record, and the main morphologic characters of each species for a rapid identification.
Jaime Gonzalez, Sigmer Quiroga, Jon Norenburg   +2 more
doaj   +6 more sources

A transcriptomic approach to ribbon worm systematics (Nemertea): resolving the Pilidiophora problem [PDF]

Molecular Biology and Evolution, 2014
Resolving the deep relationships of ancient animal lineages has proven difficult using standard Sanger-sequencing approaches with a handful of markers. We thus reassess the relatively well-studied phylogeny of the phylum Nemertea (ribbon worms)—for which
Kajihara, H, Strand, M, ANDRADE, S.C.S, Turbeville, J.M, Giribet, G, MONTENEGRO, H, NORENBURG, J.L, Sundberg, Per,, SCHWARTZ, M   +8 more
core   +5 more sources

Ribbon worm relationships: a phylogeny of the phylum Nemertea. [PDF]

Proc Biol Sci, 2003
We present the most extensive phylogenetic analysis to date, to our knowledge, of higher-level nemertean relationships, based on sequence data from four different genes (the nuclear genes for nuclear large subunit rRNA (28S rRNA) and histone H3 (H3), and the mitochondrial genes for mitochondrial large subunit rRNA (16S rRNA) and cytochrome c oxidase ...
Thollesson M, Norenburg JL.
europepmc   +5 more sources

Model Analysis Of Worm Gear Pair System Using Finite Element Analysis

International Journal of Applied Mechanics and Engineering
Spur gear, helical gear, worm gear, and bevel gear are all important components in industrial applications such as vehicles, pushes, conveyors, elevators, bowl mill, rolling mills, ribbon blender, machine tools, aeroplanes, and windmills.
Raghavendra Rajendra Barshikar, Prasad R. Baviskar, Milind M. Patil, Anil S Dube, Vishal J Dhore   +4 more
doaj   +2 more sources

The First Data on the Complete Genome of a Tetrodotoxin-Producing Bacterium

Toxins, 2021
Tetrodotoxin (TTX)-producing bacteria have attracted great interest as a model system for study of the TTX biosynthetic route. Here, we report the complete genome of the TTX-producing bacterium Bacillus sp. 1839.
Daria I. Melnikova, Reindert Nijland, Timur Yu. Magarlamov   +2 more
doaj   +2 more sources

The toxicity of ribbon worms: Alpha-nemertides or tetrodotoxin, or both?

Planta Medica, 2016
The marine ribbon worms (nemerteans) are predators which capture their prey by everting a proboscis carrying a mixture of toxins which brings on rapid paralysis [1].
Seth, Henrik,, Seth, H.,, Strand, M., Hedström, Martin,, Sundberg, P.,, Sundberg, Per,, Rosengren, K. Johan,, Jacobsson, E., Hedstrom, M., Jacobsson, Erik,, Goransson, U., Göransson, Ulf,, Hedstrom, M.,, Rosengren, K. J.,, Seth, H., Andersson, Håkan S.,, Strand, Malin,, Strand, M.,, Andersson, H. S.,, Sundberg, P., Rosengren, K. J., Eriksson, Camilla,, Eriksson, C., Andersson, H. S.   +23 more
core   +3 more sources

A new nemertean species: what are the useful characters for ribbon worm descriptions?

Journal of the Marine Biological Association of the United Kingdom, 2014
In recent years the Norwegian Taxonomy Initiative started thorough investigations of poorly known organism groups. In this context, several marine inventories have rendered a number of marine invertebrate species new to science.
Sveriges lantbruksuniversitet., Strand, Malin,   +1 more
core   +3 more sources

Disentangling Ribbon Worm Relationships: Multi-Locus Analysis Supports Traditional Classification of the Phylum Nemertea

Cladistics, 2011
The phylogenetic relationships of selected members of the phylum Nemertea are explored by means of six markers amplified from the genomic DNA of freshly collected specimens (the nuclear 18S rRNA and 28S rRNA genes, histones H3 and H4, and the ...
Kajihara, Hiroshi, Gonzalo Giribet, Schwartz, Megan, Sónia C. S. Andrade, Giribet, Gonzalo, James M. Turbeville, Norenburg, Jon L., Megan Schwartz, Strand, Malin, Turbeville, James M., Sun, Shichun, Junoy, Juan, Juan Junoy, Chen, Haixia, Jörn von Döhren, Per Sundberg, Hiroshi Kajihara, Jon L. Norenburg, Malin Strand, Thiel, Martin, Shichun Sun, Haixia Chen, Schwartz, Megan L., Sundberg, Per, Martin Thiel, Andrade, Sónia C. S., von Döhren, Jörn   +26 more
core   +6 more sources