Search Results - "Toga, Kouhei"

Bumble bee queens activate dopamine production and gene expression in nutritional signaling pathways in the brain by Sasaki, Ken, Yokoi, Kakeru, Toga, Kouhei

“…To explore the neuroendocrine mechanisms underlying caste-specific behavior and its evolution from primitive to advanced eusocial bees, the monoamine levels…”
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Meta-Analysis of Public RNA Sequencing Data Revealed Potential Key Genes Associated with Reproductive Division of Labor in Social Hymenoptera and Termites by Toga, Kouhei, Bono, Hidemasa

“…Eusociality in insects has evolved independently many times. One of the most notable characteristics of eusociality is the reproductive division of labor. In…”
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Control of the ecdysteroid level plays a crucial role in density-dependent metamorphosis in the giant mealworm beetle Zophobas atratus by Toga, Kouhei, Homma, Yuri, Togawa, Toru

“…Metamorphic transition in some tenebrionid beetles is dependent on population density. This phenomenon is useful for pupae that are vulnerable to cannibalism…”
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A mitochondrial phosphatase PTPMT1 is essential for the early development of silkworm, Bombyx mori by Homma, Yuri, Toga, Kouhei, Daimon, Takaaki, Shinoda, Tetsuro, Togawa, Toru

“…Juvenile hormone (JH) plays important roles in the control of many biological processes in insects, such as development, reproduction, and polyphenism. JH is…”
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Comparison of gene expression profiles among caste differentiations in the termite Reticulitermes speratus by Saiki, Ryota, Hayashi, Yoshinobu, Toga, Kouhei, Yaguchi, Hajime, Masuoka, Yudai, Suzuki, Ryutaro, Fujiwara, Kokuto, Shigenobu, Shuji, Maekawa, Kiyoto

“…Termite castes express specialized phenotypes for their own tasks and are a good example of insect polyphenism. To understand the comprehensive gene expression…”
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TGFβ signaling related genes are involved in hormonal mediation during termite soldier differentiation by Masuoka, Yudai, Yaguchi, Hajime, Toga, Kouhei, Shigenobu, Shuji, Maekawa, Kiyoto

“…A working knowledge of the proximate factors intrinsic to sterile caste differentiation is necessary to understand the evolution of eusocial insects. Genomic…”
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Genome-Wide Search for Gene Mutations Likely Conferring Insecticide Resistance in the Common Bed Bug, Cimex lectularius by Toga, Kouhei, Kimoto, Fumiko, Fujii, Hiroki, Bono, Hidemasa

“…Insecticide resistance in the bed bug is poorly understood due to the lack of genome sequences for resistant strains. In Japan, we identified a resistant…”
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A lipocalin protein, Neural Lazarillo, is key to social interactions that promote termite soldier differentiation by Yaguchi, Hajime, Shigenobu, Shuji, Hayashi, Yoshinobu, Miyazaki, Satoshi, Toga, Kouhei, Masuoka, Yudai, Maekawa, Kiyoto

“…Social communication among castes is a crucial component of insect societies. However, the genes involved in soldier determination through the regulation of…”
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Meta-Analysis of Transcriptomes in Insects Showing Density-Dependent Polyphenism by Toga, Kouhei, Yokoi, Kakeru, Bono, Hidemasa

“…With increasing public data, a statistical analysis approach called meta-analysis, which combines transcriptome results obtained from multiple studies, has…”
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A Crucial Caste Regulation Gene Detected by Comparing Termites and Sister Group Cockroaches by Masuoka, Yudai, Toga, Kouhei, Nalepa, Christine A, Maekawa, Kiyoto

“…Sterile castes are a defining criterion of eusociality; investigating their evolutionary origins can critically advance theory. In termites, the soldier caste…”
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Rhinoceros beetle horn development reveals deep parallels with dung beetles by Ohde, Takahiro, Morita, Shinichi, Shigenobu, Shuji, Morita, Junko, Mizutani, Takeshi, Gotoh, Hiroki, Zinna, Robert A, Nakata, Moe, Ito, Yuta, Wada, Kenshi, Kitano, Yasuhiro, Yuzaki, Karen, Toga, Kouhei, Mase, Mutsuki, Kadota, Koji, Rushe, Jema, Lavine, Laura Corley, Emlen, Douglas J, Niimi, Teruyuki

“…Beetle horns are attractive models for studying the evolution of novel traits, as they display diverse shapes, sizes, and numbers among closely related species…”
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The draft genome sequence of the Japanese rhinoceros beetle Trypoxylus dichotomus septentrionalis towards an understanding of horn formation by Morita, Shinichi, Shibata, Tomoko F., Nishiyama, Tomoaki, Kobayashi, Yuuki, Yamaguchi, Katsushi, Toga, Kouhei, Ohde, Takahiro, Gotoh, Hiroki, Kojima, Takaaki, Weber, Jesse N., Salvemini, Marco, Bino, Takahiro, Mase, Mutsuki, Nakata, Moe, Mori, Tomoko, Mori, Shogo, Cornette, Richard, Sakura, Kazuki, Lavine, Laura C., Emlen, Douglas J., Niimi, Teruyuki, Shigenobu, Shuji

“…The Japanese rhinoceros beetle Trypoxylus dichotomus is a giant beetle with distinctive exaggerated horns present on the head and prothoracic regions of the…”
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Expression and function of a limb-patterning gene Distal-less in the soldier-specific morphogenesis in the nasute termite Nasutitermes takasagoensis by Toga, Kouhei, Hojo, Masaru, Miura, Toru, Maekawa, Kiyoto

“…SUMMARY One of the major foci in evolutionary developmental biology is to understand developmental mechanisms that underlie the acquisition of morphological…”
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Ecdysteroid-induced programmed cell death is essential for sex-specific wing degeneration of the wingless-female winter moth by Niitsu, Shuhei, Toga, Kouhei, Tomizuka, Shigekazu, Maekawa, Kiyoto, Machida, Ryuichiro, Kamito, Takehiko

“…The winter moth, Nyssiodes lefuarius, has a unique life history in that adults appear during early spring after a long pupal diapause from summer to winter…”
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Hox Gene Deformed is likely involved in mandibular regression during presoldier differentiation in the nasute termite Nasutitermes takasagoensis by Toga, Kouhei, Saiki, Ryota, Maekawa, Kiyoto

“…ABSTRACT Division of labor is a distinguishing characteristic of eusocial insects. To understand the proximate factors underlying caste determination, it is…”
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Construction and characterization of normalized cDNA libraries by 454 pyrosequencing and estimation of DNA methylation levels in three distantly related termite species by Hayashi, Yoshinobu, Shigenobu, Shuji, Watanabe, Dai, Toga, Kouhei, Saiki, Ryota, Shimada, Keisuke, Bourguignon, Thomas, Lo, Nathan, Hojo, Masaru, Maekawa, Kiyoto, Miura, Toru

“…In termites, division of labor among castes, categories of individuals that perform specialized tasks, increases colony-level productivity and is the key to…”
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High-level expression of the Geranylgeranyl diphosphate synthase gene in the frontal gland of soldiers in Reticulitermes speratus (Isoptera: Rhinotermitidae) by Hojo, Masaru, Toga, Kouhei, Watanabe, Dai, Yamamoto, Tomoyo, Maekawa, Kiyoto

“…Defensive strategies of termite soldiers are roughly classified as either mechanical, using mandibles and/or the whole head, or chemical, using frontal gland…”
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Correction: Construction and Characterization of Normalized cDNA Libraries by 454 Pyrosequencing and Estimation of DNA Methylation Levels in Three Distantly Related Termite Species by Hayashi, Yoshinobu, Shigenobu, Shuji, Watanabe, Dai, Toga, Kouhei, Saiki, Ryota, Shimada, Keisuke, Bourguignon, Thomas, Lo, Nathan, Hojo, Masaru, Maekawa, Kiyoto, Miura, Toru

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Soldiers are differentiated from male larval stages in incipient colonies of Nasutitermes takasagoensis (Isoptera: Termitidae) by Toga, Kouhei, Minakuchi, Chieka, Maekawa, Kiyoto

“…In phylogenetically ancestral taxa of termites (the so-called lower termites), at least one soldier emerges and is maintained longitudinally in each incipient…”
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Presoldier induction by a juvenile hormone analog in the nasute termite Nasutitermes takasagoensis (Isoptera: Termitidae) by Toga, Kouhei, Hojo, Masaru, Miura, Toru, Maekawa, Kiyoto

“…The ability of JHIII and three JHAs (hydroprene, pyriproxyfen and methoprene) to induce presoldier differentiation was tested in a highly derived termite,…”
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