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Disentangling ribbon worm relationships: multi‐locus analysis supports traditional classification of the phylum Nemertea
TLDR
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, acting as a scaffold to which one could pinpoint any previously published study.
Mutation and Selection Cause Codon Usage and Bias in Mitochondrial Genomes of Ribbon Worms (Nemertea)
TLDR
It is proposed that codons containing A or U at third position are used preferentially in nemertean species, regardless of whether corresponding tRNAs are encoded in the mitochondrial DNA.
Statistical Parsimony Networks and Species Assemblages in Cephalotrichid Nemerteans (Nemertea)
TLDR
Statistical parsimony network analysis provides a rapid and useful tool for detecting possible undescribed/cryptic species among cephalotrichid nemerteans based on COI gene and should be combined with phylogenetic analysis to get indications of false positive results.
Taxonomic Identity of a Tetrodotoxin-Accumulating Ribbon-worm Cephalothrix simula (Nemertea: Palaeonemertea): A Species Artificially Introduced from the Pacific to Europe
TLDR
Analysis of COI sequence showed that the Hiroshima population can be identified as C. simula, which has been found in previous studies from Trieste, Italy, and also from both the Mediterranean and Atlantic coasts of the Iberian Peninsula, indicating an artificial introduction via ballast water, ship-fouling communities, or the commercially cultured oyster Crassostrea gigas brought from Japan to France in 1970s.
The mitochondrial genomes of two nemerteans, Cephalothrix sp. (Nemertea: Palaeonemertea) and Paranemertes cf. peregrina (Nemertea: Hoplonemertea)
The mitochondrial genome sequences were determined for two species of nemerteans, Cephalothrix sp. (15,800 bp sequenced, near-complete) and Paranemertes cf. peregrina (14,558 bp, complete). As seen
Complete genome sequence of acute viral necrosis virus associated with massive mortality outbreaks in the Chinese scallop, Chlamys farreri
TLDR
The results indicate that AVNV is a variant of ostreid herpesvirus 1 (OsHV-1), and the AVNV genome sequence provides information useful for understanding the evolution and divergence of OsHv-1 in marine molluscs.
A comparative study of nemertean complete mitochondrial genomes, including two new ones for Nectonemertes cf. mirabilis and Zygeupolia rubens, may elucidate the fundamental pattern for the phylum
TLDR
Comparison of the gene arrangements and phylogenomic analysis based on concatenated nucleotide sequences of the 12 mitochondrial protein-coding genes revealed that species with closer relationships share more identical gene blocks, which supports one of two recent alternative hypotheses of nemertean phylogeny.
Pause-melting misalignment: a novel model for the birth and motif indel of tandem repeats in the mitochondrial genome
TLDR
A novel model of Pause Melting Misalignment (PMM) is proposed to describe the birth and motif indel of tandem repeats in mitochondrial genome control region and can explain the characteristics of TRs in available vertebrate mt genomes.
Systematics and phylogeny of the hoplonemertean genus Diplomma (Nemertea) based on molecular and morphological evidence
TLDR
A redescription of the poorly known distromatonemertean Diplomma serpentina (Stimpson, 1855), a species that has not been reported since its original description, and comparison of cytochrome c oxidase subunit I gene (COI) sequences indicates that D. serpentina is distributed in Indonesia, the Philippines, and Japan.
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