The rapid naturalization of Bombus terrestris across the Nemuro Peninsula has led to a decline in two closely related native Japanese species, namely Bombus hypocrita sapporensis and Bombus cryptarum florilegus, both belonging to the common subgenus Bombus. Although it is widely believed that cross-mating of native and non-native species is influenced by the common male sex pheromone in this region, no study has been conducted to substantiate this claim. Thus, we investigated the cross-activities of male sex pheromones between native and non-native bumblebees, as well as the frequencies of cross-mating, using chemical and DNA assays.
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February 2022
The east Asian catfish is a common species living in fresh water in Japan. The complete mitochondrial genome of the from Lake Biwa in Japan was analyzed using next-generation sequencing. The mitochondrial genome of was identified as a 16,515 bp circular molecule containing 13 protein-coding genes (PCGs), 22 tRNA genes, and two rRNA genes, along with one A + T-rich control region.
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August 2021
The Japanese endemic catfish is distributed only in Lake Biwa and Yodo river drainages. There are four species of the genus in Japan, of which has a most limited distribution. This catfish needs to be collected for DNA data owing to the lack of information related to its phylogenetic relationship.
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August 2021
The Japanese endemic catfish is distributed only in Lake Biwa, Lake Yogo, and their river drainages. There are four species of the genus in Japan, of which has a limited distribution. This catfish needs to be collected for DNA data owing to the lack of information related to its conservation.
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August 2020
The paper wasp is distributed in cold regions of northern East Asia to Russia. are characterized by having longer cells than those of the closely related , which has a similar life history, as an adaptation to cold regions. The phylogenetic relationships of paper wasps have recently been studied; however, the genetic diversity and population structure of has not been determined.
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August 2020
Some populations of the East Asian minnow Herzenstein, 1892, which are naturally distributed in western Japan, have declined and are considered endangered. However, has become a domestic invasive species in eastern Japan. Thus, knowledge of genetic features and phylogenetic relationships of is important for conservation of this species and understanding its impact on ecosystems.
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November 2020
Giant water bugs (genus and ) are well known species from aquatic habitats throughout the world's subtropical and tropical areas. Only one species of the is distributed in Japan. has been designated as second category rare species according Law for Conservation of Endangered Species of Wild Fauna and Flora in Japan, in 2019.
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January 2020
is a parasite mite of the eastern honey bee , which is native to Asia. The European honey bee was imported to Asia from Europe and the USA for apiculture in the 19th century. In a short period of time, parasitized the artificially introduced honey bees.
View Article and Find Full Text PDFIn Japan, two closely-related damselflies, Selys, 1869 (Odonata: Calopterygidae) and Selys-Longchamps (Odonata: Calopterygidae), 1853, coexist, and they exhibit geographic variations in wing color, body size, and habitat preference. In this study, we analyzed the complete mitochondrial genome of from Saga Prefecture, Japan (sympatric populations that exhibit wing color polymorphism), and compared the genome with that exhibit monomorphic orange wing color. The mitochondrial genome of from Saga Prefecture was identified as a circular molecule of 15,488 bp, similar to that found in other populations.
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September 2019
In this study, we analyzed the complete mitochondrial genome of the Selys, 1853 from Saga Prefecture, Japan. The mitochondrial genome of was identified as a circular molecule of 15,494 bp, and was found to be similar to that of other damselfly species. It was predicted to contain 13 protein-coding (PCG), 22 tRNA, and two rRNA genes, as well as one A + T-rich control region.
View Article and Find Full Text PDFWe analyzed the complete mitochondrial genome of the dusky brown-gray-colored honeybee , collected from North Island, New Zealand. We determined that the mitochondrial genome was a 16,336 bp and predicted 13 protein-coding genes (PCGs), 22 tRNA genes, and two rRNA genes. The start codon ATA was found in two genes, ATG in four genes, ATT in six genes, and ATC in one gene, whereas the termination codon TAA was observed in all PCGs.
View Article and Find Full Text PDFThe complete is mitochondrial genome of the Japanese bumblebee from Hokkaido Island, Japan is analysed using next generation sequencing. The mitochondrial genome of was observed to be a circular molecule of 15,835 bp. The average AT content in the mitochondrial genome was 85.
View Article and Find Full Text PDFThe dwarf honeybees and inhabit the bush and forests of continental Asia and north Africa and some islands of Sundaland and the Philippines. We analysed, for the first time, the complete mitochondrial genomes of two dwarf honeybee species from Thailand using next-generation sequencing. Each mitochondrial genome was a circular and approximately 17 kbp molecule that included 13 protein-coding genes (PCGs), 22 tRNA genes, and two ribosomal RNA genes, along with one A + T-rich control region, besides three tRNA- () repeats.
View Article and Find Full Text PDFWe analyzed the complete mitochondrial genome of the 'Buckfast bee', collected from North Ireland, UK. It consisted of a circular molecule of 16,353 bp. The genome contained 13 protein-coding, 22 tRNA, and 2 rRNA genes, along with one A + T-rich control region.
View Article and Find Full Text PDFWe analyzed the complete mitochondrial genome of the invasive Asian hornet from Kyushu Island, Japan. The mitochondrial genome of was identified as a circular molecule of 16,388 bp. We predicted that the genome contains 13 protein-coding genes (PCGs), 22 tRNA genes, and 2 rRNA genes, along with one A + T-rich control region.
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January 2018
The complete mitochondrial genome of the yellow coloured honeybee from North Island, New Zealand was analyzed using next-generation sequencing. The mitochondrial genome was a 16,349bp circular molecule and was predicted to contain 13 protein-coding genes (PCGs), 22 tRNA genes and two rRNA genes. The initiation codon ATA was found in two genes, ATG in four genes, ATT in six genes, and ATC in one gene, while the termination codon TAA was observed in all the PCGs.
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November 2017
We analyzed the complete mitochondrial genome of the Asian tropical hornet from Ishigaki Island, Japan. It consisted of a circular molecule with 19,109 bp, which is larger to other hornet species e.g.
View Article and Find Full Text PDFThe cavity-nesting honeybee inhabits only the highlands of Mount Kinabalu of Sabah, Borneo Island. The mitochondrial genome is a circular molecule of approximately 1.6 kb that includes 13 protein-coding genes, 22 tRNA genes, two rRNA genes, and one AT-rich control region.
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July 2017
The complete mitochondrial genome of the cavity-nesting honeybee from Sabah on Borneo Island was analyzed using next-generation sequencing. The mitochondrial genome of was a circular molecule of 15,884 bp and was similar to that of the other cavity-nesting honeybee species. The average AT content in the mitochondrial genome was 84.
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March 2017
In this study, we analyzed the complete mitochondrial genome of the invasive Asian hornet from Japan. The mitochondrial genome of was identified as a circular molecule of 16,765 bp, similar to that in other hornet species. It was predicted to contain 13 protein-coding, 20 tRNA, and two rRNA genes, along with one A + T-rich control region.
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January 2017
In this study, we analyzed the complete mitochondrial genome of the cavity-nesting honeybee, . The mitochondrial genome of was observed to be a circular molecule of 15,278 bp and was similar to that of the other cavity-nesting honeybee species. The average AT content in the mitochondrial genome was 84%.
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January 2017
In the present report, we describe the complete mitochondrial genome of the common bumblebee, , from the Otome Plateau, in Yamanashi Prefecture, Japan. The mitochondrial genome of is a circular molecule of 15,795 bp. It contains 13 protein-coding, 22 tRNA and two rDNA genes.
View Article and Find Full Text PDFIn short QT syndrome, inherited gain-of-function mutations in the human ether a-gogo-related gene (hERG) K(+) channel have been associated with development of fatal arrhythmias. This implies that drugs that activate hERG as a side effect may likewise pose significant arrhythmia risk. hERG activators have been found to have diverse mechanisms of activation, which may reflect their distinct binding sites.
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