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Wolbachia and nuclear–nuclear interactions contribute to reproductive incompatibility in the spider mite Panonychus mori (Acari: Tetranychidae)
The results reveal a genetic divergence among P. mori populations and Wolbachia-mediated incompatibility was observed in crosses between uninfected females and infected males or between females and males harboring different Wolbachian strains. Expand
Complete mitochondrial genomes of two Japanese precious corals, Paracorallium japonicum and Corallium konojoi (Cnidaria, Octocorallia, Coralliidae): notable differences in gene arrangement.
The results support the validity of the morphological classification that separated the family Coralliidae into two genera, Corallium and Paracorallium. Expand
Comparison of fish assemblages among an artificial reef, a natural reef and a sandy-mud bottom site on the shelf off Iwate, northern Japan
SynopsisFish assemblages at an artificial reef site, a natural reef site and a sandy-mud bottom site, on the shelf (depth 130 m) off Iwate Prefecture, northern Japan, were surveyed by using a bottomExpand
Isolation of polymorphic microsatellite markers from Hymeniacidon sinapium (Porifera: Demospongiae: Halichondrida)
Eight dinucleotide microsatellite markers were developed on Hymeniacidon sinapium (Porifera: Demospongiae), common littoral sponge around Japan, to investigate population genetic structure, and significant linkage disequilibrium between Sinp126 and Sinp142 was found. Expand
Molecular phylogeny of the order Euryalida (Echinodermata: Ophiuroidea), based on mitochondrial and nuclear ribosomal genes.
The existing taxonomy of Euryalida, one of the two orders of the Ophiuroidea (Echinodermata), is uncertain and characterized by controversial delimitation of taxonomic ranks from genus toExpand
Molecular phylogeny based on increased number of species and genes revealed more robust family-level systematics of the order Euryalida (Echinodermata: Ophiuroidea).
A family-level revision of the Euryalida based on sequences from mitochondrial genes (16S rRNA and COI) and a nuclear gene (18S r RNA) from 83 euryalid ophiuroids is presented. Expand
Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida)
The first morphological observation of a euryalid brittle star, Asteronyx loveni, using non-destructive X-ray micro-computed tomography (µCT) was performed and shape and positional arrangement of taxonomically important ossicles were clearly observed without any damage to the body. Expand
Contrasting genetic structure of two Pacific Hymeniacidon species
The geographic genetic structure of H. flavia suggests low dispersal ability of pelagic larvae, whereas higher larval disperseal ability and a far broader distribution range are suggested in H. sinapium. Expand
Photographic observations of the life style of a deep-sea ophiuroid Asteronyx loveni (Echinodermata)
Stereoscopic analysis of photographs revealed that most of the ophiuroids perched 20–35 cm above the sea floor, which may be the most effective height for feeding on particulate material resuspended from the sea Floor by bottom currents. Expand