Kenta Tomihara

Cis-regulatory evolution of Wnt family genes contributes to a morphological difference between silkworm species

Kenta Tomihara, Ana Pinharanda, Young Mi Kwon, Andrew M. Taverner et autres

Closely related species often exhibit distinct morphologies that can contribute to species-specific adaptations and reproductive isolation. One example is Lepidopteran caterpillar appendages, such as the "caudal horn" of Bombycoidea moths, which have evolved substantial morphological diversity among species in this group. Using …

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Conservation and diversification of mating behavior patterns among three sibling species in the Drosophila subobscura species subgroup

Kenta Tomihara, Ryoya Tanaka, Francisco Rodrı́guez-Trelles, Daisuke Yamamoto

Behavioral traits are known to evolve rapidly, often even preceding morphological or physiological changes. However, the genomic and neural bases for such rapid behavioral changes remain to be clarified. Drosophila subobscura is a rare example of a species that performs nuptial gift …

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Cis -regulatory evolution of Wnt family genes contributes to a morphological difference between silkworm species

Kenta Tomihara, Ana Pinharanda, Young Mi Kwon, Andrew M. Taverner et autres

Abstract Closely related species often exhibit distinct morphologies that can contribute to species-specific adaptations and reproductive isolation. One example are Lepidopteran caterpillar appendages, such as the “caudal horn” of Bombycoidea moths, which have evolved substantial morphological diversity among species in this group. …

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Conservation and diversification of mating behavior patterns among three sibling species in the Drosophila subobscura species subgroup

Kenta Tomihara, Ryoya Tanaka, Francisco Rodrı́guez-Trelles, Daisuke Yamamoto

ABSTRACT Behavioral traits are known to evolve rapidly, often even preceding morphological or physiological changes. However, the genomic and neural bases for such rapid behavioral changes remain to be clarified. Drosophila subobscura is a rare example of a species that performs nuptial …

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A chromosome-level genome assembly of Drosophila madeirensis , a fruit fly species endemic to the island of Madeira

Kenta Tomihara, Ana Llopart, Daisuke Yamamoto

Drosophila subobscura is distributed across Europe, the Near East, and the Americas, while its sister species, Drosophila madeirensis, is endemic to the island of Madeira in the Atlantic Ocean. D. subobscura is known for its strict light-dependence in mating and its unique …

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A chromosome-level genome assembly of Drosophila madeirensis , a fruit fly species endemic to the island of Madeira

Kenta Tomihara, Ana Llopart, Daisuke Yamamoto

Abstract Drosophila subobscura is distributed across Europe, the Near East, and the Americas, while its sister species, D. madeirensis , is endemic to the island of Madeira in the Atlantic Ocean. D. subobscura is known for its strict light-dependence in mating and …

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Expression of the Wolbachia male‐killing factor Oscar impairs dosage compensation in lepidopteran embryos

Takahiro Fukui, Takashi Kiuchi, Kenta Tomihara, Tomohiro Muro et autres

Wolbachia are intracellular bacteria in insects that can manipulate the sexual development and reproduction by male killing or other methods. We have recently identified a Wolbachia protein named Oscar that acts as a male-killing factor for lepidopteran insects. Oscar interacts with the …

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Author response for "Expression of the Wolbachia male‐killing factor Oscar impairs dosage compensation in lepidopteran embryos"

Takahiro Fukui, Takashi Kiuchi, Kenta Tomihara, Tomohiro Muro et autres

Disruption of a BTB-ZF transcription factor causes female sterility and melanization in the larval body of the silkworm, Bombyx mori

Kenta Tomihara, Takashi Kiuchi

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Disruption of a BTB-ZF transcription factor causes female sterility and melanization in the larval body of the silkworm, Bombyx mori

Kenta Tomihara, Takashi Kiuchi

Abstract The dilute black ( bd ) of the silkworm Bombyx mori is a recessive mutant that produces a grayish-black color in the larval integument, instead of the characteristic white color found in wild-type larvae. In addition, eggs produced by bd females …

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Recessive embryonic lethal mutations uncovered in heterozygous condition in silkworm semiconsomic strains

Kenta Tomihara, Saori Tanaka, Susumu Katsuma, Toru Shimada et autres

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Deleterious mutations in a heterozygous chromosome result in recessive lethality in silkworm semiconsomic strains

Kenta Tomihara, Saori Tanaka, Susumu Katsuma, Toru Shimada et autres

Abstract In this study, we found two embryonic lethal mutations, t04 lethal ( l-t04 ) and m04 lethal ( l-m04 ), in semiconsomic strains T04 and M04, respectively. In these semiconsomic strains, the entire diploid genome, except for one chromosome 4 of …

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