Fukui T, Kiuchi T, Tomihara K, Muro T, Matsuda-Imai N, Katsuma S. Expression of the Wolbachia male-killing factor Oscar impairs dosage compensation in lepidopteran embryos. FEBS Lett. 2023. DOI: 10.1002/1873-3468.14777.

Kiuchi T, Shoji K, Izumi N, Tomari Y, Katsuma S. Non-gonadal somatic piRNA pathways ensure sexual differentiation, larval growth, and wing development in silkworms.  PLoS Genet. 2023: 19(9), e1010912. DOI: 10.1371/journal.pgen.1010912.

Sugiyama H, Katsuma S. A method for screening the suppressor genes of siRNA and piRNA pathways using cultured silkworm cells. MicroPubl Biol. 2023. DOI: 10.17912/micropub.biology.000953.

Katsuma S, Matsuda-Imai N. A seamless connection from the burst sequence to the start codon is essential for polyhedrin hyperexpression in alphabaculoviruses.  Biochem Biophys Res Commun. 2023: 679, 1-5. DOI: 10.1016/j.bbrc.2023.08.046.

Tomihara K, Kiuchi T. Disruption of a BTB-ZF transcription factor causes female sterility and melanization in the larval body of the silkworm, Bombyx mori.  Insect Biochem Mol Biol. 2023: 159, 103982. DOI: 10.1016/j.ibmb.2023.103982.

Fukui T, Shoji K, Kiuchi T, Suzuki Y, Katsuma S. Masculinizer is not post-transcriptionally regulated by female-specific piRNAs during sex determination in the Asian corn borer, Ostrinia furnacalis. Insect Biochem Mol Biol. 2023: 156, 103946. DOI: 10.1016/j.ibmb.2023.103946.

Tomihara K, Tanaka S, Katsuma S, Shimada T, Kobayashi J, Kiuchi T. Recessive embryonic lethal mutations uncovered in heterozygous condition in silkworm semiconsomic strains. Insect Biochem Mol Biol. 2023: 155, 103933. DOI: 10.1016/j.ibmb.2023.103933.

Fujimoto S, Fujimaki K, Suzuki T, Katsuma S, Iwanaga M. Expression and localization of Bombyx mori nucleopolyhedrovirus GP37.  Virus Genes. 2023: 59(3), 457-463. DOI: 10.1007/s11262-023-01983-3.

Shoji K, Umemura Y, Katsuma S, Tomari Y. The piRNA cluster torimochi is an expanding transposon in cultured silkworm cells.  PLoS Genet. 2023: 19(2), e1010632. DOI: 10.1371/journal.pgen.1010632.

Muro T, Hikida H, Fujii T, Kiuchi T, Katsuma S. Two Complete Genomes of Male-Killing Wolbachia Infecting Ostrinia Moth Species Illuminate Their Evolutionary Dynamics and Association with Hosts.  Microb Ecol. 2023. DOI: 10.1007/s00248-023-02198-7.

■2022

Izumi N, Shoji K, Kiuchi T, Katsuma S, Tomari Y. The two Gtsf paralogs in silkworms orthogonally activate their partner PIWI proteins for target cleavage. RNA. 2022: 29(1), 18-29. DOI: 10.1261/rna.079380.122.

Katsuma S, Hirota K, Matsuda-Imai N, Fukui T, Muro T, Nishino K, Kosako H, Shoji K, Takanashi H, Fujii T, Arimura S, Kiuchi T. A Wolbachia factor for male killing in lepidopteran insects.  Nat Commun. 2022: 13(1), 6764. DOI: 10.1038/s41467-022-34488-y.

Hikida H, Katsuma S. KaicoTracker: a robust and automated locomotory analysis for baculovirus-infected silkworm larvae. J Insect Biotechnol Sericology. 2022: 91(2), 2-26. DOI: 10.11416/jibs.91.2_021.

Tobita H, Kiuchi T. Knockouts of positive and negative elements of the circadian clock disrupt photoperiodic diapause induction in the silkworm, Bombyx mori. Insect Biochem Mol Biol. 2022: 149, 103842. DOI: 10.1016/j.ibmb.2022.103842.

Tomihara K, Kawamoto M, Suzuki Y, Katsuma S, Kiuchi T. Masculinizer-induced dosage compensation is achieved by transcriptional downregulation of both copies of Z-linked genes in the silkworm, Bombyx mori.  Biol Lett. 2022: 18(9), 20220116. DOI: 10.1098/rsbl.2022.0116.

Katsuma S. Mutations in the polyhedrin NLS affect the assembly and polyhedral shape of alphabaculovirus occlusion bodies. Biochem Biophys Res Commun. 2022: 622, 15-21. DOI: 10.1016/j.bbrc.2022.07.023.

Tomihara K, P Andolfatto, Kiuchi T. Allele-specific knockouts reveal a role for apontic-like in the evolutionary loss of larval melanin pigmentation in the domesticated silkworm, Bombyx mori.  Insect Mol Biol. 2022. DOI: 10.1111/imb.12797.

Ito K, Vankadara Sivaprasad, Katsuma S, Yokoyama T, Kadono-Okuda K. Resistance mechanism of Nid-1, a dominant non-susceptibility gene, against Bombyx mori densovirus 1 infection. Virus Res. 2022: 198849. DOI: 10.1016/j.virusres.2022.198849.

Kawamoto M, Kiuchi T, Katsuma S. SilkBase: an integrated transcriptomic and genomic database for Bombyx mori and related species. Database. 2022: Vol.2022, baac040. DOI: 10.1093/database/baac040.

Tomihara K, Katsuma S, Kiuchi T. Transcriptome analysis in the silkworm Bombyx mori overexpressing piRNA-resistant Masculinizer gene. Biochem Biophys Res Commun. 2022: 616, 104-109. DOI: 10.1016/j.bbrc.2022.05.073.

■2021

Kiuchi T, Katsuma S. Functional Characterization of Silkworm PIWI Proteins by Embryonic RNAi. Methods Mol Biol. 2022: 2360, 19-31. DOI: 10.1007/978-1-0716-1633-8_3.

Tomihara K, Satta K, Matsuzaki S, Yoshitake K, Yamamoto K, Uchiyama H, Yajima S, Futahashi R, Katsuma S, Osanai-Futahashi M, Kiuchi T. Mutations in a β-group of solute carrier gene are responsible for egg and eye coloration of the brown egg 4 (b-4) mutant in the silkworm, Bombyx mori.  Insect Biochem Mol Biol. 2021: 137, 103624. DOI: 10.1016/j.ibmb.2021.103624.

Shigematsu M, Kawamura T, Morichika K, Izumi N, Kiuchi T, Honda S, V Pliatsika, Matsubara R, I Rigoutsos, Katsuma S, Tomari Y, Kirino Y. RNase κ promotes robust piRNA production by generating 2′,3′-cyclic phosphate-containing precursors. Nat Commun. 2021: 12(1), 4498. DOI: 10.1038/s41467-021-24681-w.

Shoji K, Kokusho R, Kawamoto M, Suzuki Y, Katsuma S. H3K4me3 histone modification in baculovirus-infected silkworm cells. Virus Genes. 2021. DOI: 10.1007/s11262-021-01858-5.

Fujii T, Kiuchi T, Daimon T, Ito K, Katsuma S, Shimada T, Yamamoto K, Banno Y. Development of interspecific semiconsomic strains between the domesticated silkworm, Bombyx mori and the wild silkworm, B. mandarina. J Insect Biotechnol Sericology. 2021: 90(2), 33-40. DOI: 10.11416/jibs.90.2_033.

Kokusho R, Katsuma S. Bombyx mori nucleopolyhedrovirus ptp and egt genes are dispensable for triggering enhanced locomotory activity and climbing behavior in Bombyx mandarina larvae. J Invertebr Pathol. 2021: 107604. DOI: 10.1016/j.jip.2021.107604.

Kokusho R, Katsuma S. Loss of p24 from the Bombyx mori nucleopolyhedrovirus genome results in the formation of cuboidal occlusion bodies. Virology. 2021. DOI: 10.1016/j.virol.2021.03.017.

Dai X, Kiuchi T, Zhou Y, Jia S, Xu Y, Katsuma S, Shimada T, Wang H. Horizontal gene transfer and gene duplication of β-fructofuranosidase confer lepidopteran insects metabolic benefits.  Mol Biol Evol. 2021: msab080. DOI: 10.1093/molbev/msab080.

Hirota K, Matsuda-Imai N, Kiuchi T, Katsuma S. Characterization of nuclear localization signal in Ostrinia furnacalis Masculinizer protein. Arch Insect Biochem Physiol. 2021: 106(3), e21768. DOI: 10.1002/arch.21768.

■2020

Katsuma S. Hsp90 function is required for stable transcription of the baculovirus transactivator ie-1 gene.  Virus Res. 2021: 291, 198200. DOI: 10.1016/j.virusres.2020.198200.

Katsuma S, Shoji K, Suzuki Y, Iwanaga M. Potential for small RNA production against Bombyx mori latent virus in Bombyx mori ovaries. Arch Insect Biochem Physiol. 2020: e21761. DOI: 10.1002/arch.21761.

Katsuma S, Shoji K, Suzuki Y, Kiuchi T. CRISPR/Cas9-mediated mutagenesis of Ago2 and Siwi in silkworm cultured cells. Gene. 2020: 145314. DOI: 10.1016/j.gene.2020.145314.

Senaratne AP, Muller H, Fryer KA, Kawamoto M, Katsuma S, Drinnenberg IA. Formation of the CenH3-deficient holocentromere in Lepidoptera avoids active chromatin. Curr Biol. 2020: S0960-9822(20)31448-2. DOI: 10.1016/j.cub.2020.09.078.

Hikida H, Katsuma S. High-resolution analysis of baculovirus-induced host manipulation in the domestic silkworm, Bombyx mori. Parasitology. 2020: 1-5. DOI: 10.1017/S0031182020001924.

Matsuda-Imai N, Katsuma S. Characterization of Bombyx mori nucleopolyhedrovirus infection in fat body-derived Bombyx mori cultured cells. J Invertebr Pathol. 2020: 177, 107476. DOI: 10.1016/j.jip.2020.107476.

Lee J, Nishiyama T, Shigenobu S, Yamaguchi K, Suzuki Y, Shimada T, Katsuma S, Kiuchi T. The genome sequence of Samia ricini, a new model species of lepidopteran insect. Mol Ecol Resour. 2020. DOI: 10.1111/1755-0998.13259.

Hikida H, Kokusho R, Matsuda-Imai N, Katsuma S. Bombyx mori nucleopolyhedrovirus Bm96 suppresses viral virulence in Bombyx mori larvae. J Invertebr Pathol. 2020: 173, 107374. DOI: 10.1016/j.jip.2020.107374. 

Cortes-Silva N, Ulmer J, Kiuchi T, Hsieh E, Cornilleau G, Ladid I, Dingli F, Loew D, Katsuma S, Drinnenberg IA. CenH3-Independent Kinetochore Assembly in Lepidoptera Requires CCAN, Including CENP-T. Curr Biol. 2020: 30(4), 561-572.e10.DOI: 10.1016/j.cub.2019.12.014.

Izumi N, Shoji K, Suzuki Y, Katsuma S, Tomari Y. Zucchini consensus motifs determine the mechanism of pre-piRNA production. Nature. 2020: 578(7794), 311-316. DOI: 10.1038/s41586-020-1966-9.

Fujii T, Sakurai T, Mitsuno H, Matsuyama S, Shiota Y, Ito K, Yokoyama T, Nishioka T, Katsuma S, Kanzaki R, Ishikawa Y. Pheromonal activities of the bombykol isomer, (10E,12E)-10,12-hexadecadien-1-ol, in the pheromone gland of the silkmoth Bombyx mori. J Insect Physiol. 2020: 121, 104018. DOI: 10.1016/j.jinsphys.2020.104018.

Fujimoto S, Kawamoto M, Shoji K, Suzuki Y, Katsuma S, Iwanaga M. Whole-genome sequencing and comparative transcriptome analysis of Bombyx mori nucleopolyhedrovirus La strain. Virus Genes. 2020 (Epub ahead of print). DOI: 10.1007/s11262-019-01727-2.

■2019

Zhou Y, Li X, Katsuma S, Xu Y, Shi L, Shimada T, Wang H. Duplication and Diversification of Trehalase Confers Evolutionary Advantages on Lepidopteran Insects. Mol Ecol. 2019: 24, 5282-5298. DOI: 10.1111/mec.15291. 

Katsuma S, Shoji K, Sugano Y, Suzuki Y, Kiuchi T. Masc-induced dosage compensation in silkworm cultured cells. FEBS Open Bio. 2019: 9(9), 1573–1579. DOI: 10.1002/2211-5463.12698. 

Tomihara K, Satta K, Shimada T, Kiuchi T. CRISPR/Cas9-mediated somatic mutation of the sex-linked translucent (os) gene in the silkworm, Bombyx mori. Journal of Insect Biotechnology and Sericology. 2019: 88(2), 31-38. DOI: 10.11416/jibs.88.2_031. 

Kawamoto M, Jouraku A, Toyoda A, Yokoi K, Minakuchi Y, Katsuma S, Fujiyama A, Kiuchi T, Yamamoto K, Shimada T. High-quality genome assembly of the silkworm, Bombyx mori. Insect Biochemistry and Molecular Biology. 2019: 107, 53-62. DOI: 10.1016/j.ibmb.2019.02.002. 

Tsukui K, Yagisawa C, Fujimoto S, Ogawa M, Kokusho R, Nozawa M, Kawasaki H, Katsuma S, Iwanaga M. Infectious Virions of Bombyx mori Latent Virus Are Incorporated into Bombyx Mori Nucleopolyhedrovirus Occlusion Bodies. Viruses. 2019: 11(4). DOI: 10.3390/v11040316.

Kiuchi T, Sugano Y, Shimada T, Katsuma S. Two CCCH-type zinc finger domains in the Masc protein are dispensable for masculinization and dosage compensation in Bombyx mori. Insect Biochemistry and Molecular Biology. 2019: 104, 30-38. DOI: 10.1016/j.ibmb.2018.12.003. 

■2018

Fukui T, Kiuchi T, Shoji K, Kawamoto M, Shimada T, Katsuma S. In vivo masculinizing function of the Ostrinia furnacalis Masculinizer gene. Biochemical and biophysical research communications. 2018: 503(3), 1768-1772. DOI: 10.1016/j.bbrc.2018.07.111.

Takai H, Ozawa R, Takabayashi J, Fujii S, Arai K, Ichiki RT, Koeduka T, Dohra H, Ohnishi T, Taketazu S, Kobayashi J, Kainoh Y, Nakamura S, Fujii T, Ishikawa Y, Kiuchi T, Katsuma S, Uefune M, Shimada T, Matsui K. Silkworms suppress the release of green leaf volatiles by mulberry leaves with an enzyme from their spinnerets. Scientific Reports. 2018: 8 (1), 11942. DOI: 10.1038/s41598-018-30328-6. 

Wang L, Dong Z, Wang J, Yin Y, Liu H, Hu W, Peng Z, Liu C, Li M, Banno Y, Shimada T, Xia Q, Zhao P. Proteomic Analysis of Larval Integument in a Dominant Obese Translucent (Obs) Silkworm Mutant. Journal of Insect Science. 2018: 18(6), 4. DOI: 10.1093/jisesa/iey098.

Zhang H, Kiuchi T, Hirayama C, Banno Y, Katsuma S, Shimada T. A reexamination on the deficiency of riboflavin accumulation in Malpighian tubules in larval translucent mutants of the silkworm, Bombyx mori. Genetica. 2018: 146(4-5), 425-431. DOI: 10.1007/s10709-018-0034-y. 

Ito K, Kidokoro K, Katsuma S, Sezutsu H, Uchino K, Kobayashi I, Tamura T, Yamamoto K, Mita K, Shimada T, Kadono-Okuda K. A single amino acid substitution in the Bombyx-specific mucin-like membrane protein causes resistance to Bombyx mori densovirus. Scientific reports. 2018: 8(1), 7430. DOI: 10.1038/s41598-018-25388-7.

Takai H, Asaoka K, Ishizuna F, Kiuchi T, Katsuma S, Shimada T. Morphological and electrophysiological differences in tarsal chemosensilla between the wild silkmoth Bombyx mandarina and the domesticated species Bombyx mori. Arthropod Structure & Development. 2018: 47 (3), 238-247. DOI: 10.1016/j.asd.2018.03.001. 

Hikida H, Kokusho R, Kobayashi J, Shimada T, Katsuma S. Inhibitory role of the Bm8 protein in the propagation of Bombyx mori nucleopolyhedrovirus. Virus research. 2018. DOI: 10.1016/j.virusres.2018.03.011.

Katsuma S, Kiuchi T, Kawamoto M, Fujimoto T, Sahara K. Unique sex determination system in the silkworm, Bombyx mori: current status and beyond. Proceedings of the Japan Academy. Series B, Physical and biological sciences. 2018: 94(5), 205-216. DOI: 10.2183/pjab.94.014.

Zhang H, Kiuchi T, Hirayama C, Katsuma S, Shimada T. Bombyx ortholog of the Drosophila eye color gene brown controls riboflavin transport in Malpighian tubules. Insect biochemistry and molecular biology. 2018: 92, 65-72. DOI: 10.1016/j.ibmb.2017.11.012

Katsuma S*, Kawamoto M*, Shoji K*, Aizawa T*, Kiuchi T, Izumi N, Ogawa M, Mashiko T, Kawasaki H, Sugano S, Tomari Y, Suzuki Y, Iwanaga M. Transcriptome profiling reveals infection strategy of an insect maculavirus. DNA Research. 25 (3), 277–286. DOI: 10.1093/dnares/dsx056. (*These authors contributed equally to this work.) 

Lee J, Kiuchi T, Kawamoto M, Shimada T, Katsuma S. Accumulation of uric acid in the epidermis forms the white integument of Samia ricini larvae. PLoS One. 2018: 13(10), e0205758. DOI: 10.1371/journal.pone.0205758. 

■2017

Namiki S, Fujii T, Shimada T, Kanzaki R. The morphology of antennal lobe projection neurons is controlled by a POU-domain transcription factor Bmacj6 in the silkmoth Bombyx mori. Scientific Reports. 2017: 7(1), 14050. DOI: 10.1038/s41598-017-14578-4.

Zhang H, Kiuchi T, Wang L, Kawamoto M, Suzuki Y, Sugano S, Banno Y, Katsuma S, Shimada T. Bm-muted, orthologous to mouse muted and encoding a subunit of the BLOC-1 complex, is responsible for the otm translucent mutation of the silkworm Bombyx mori. Gene. 2017: 629, 92-100. DOI:10.1016/j.gene.2017.07.071. 

Katsuma S, Kokusho R. A conserved glycine residue is required for proper functioning of a baculovirus VP39 protein. Journal of Virology. 2017: 91(6), e02253-16. DOI: 10.1128/JVI.02253-16.

Shoji K, Suzuki Y, Sugano S, Shimada T, Katsuma S*. Artificial ping-pong cascade of PIWI-interacting RNA in silkworm cells. RNA. 2017: Vol.23, No.1, 86-97. DOI: 10.1261/rna.058875.116.

■2016

Kokusho R*, Koh Y, Fujimoto M, Shimada T, Katsuma S*. Bombyx mori nucleopolyhedrovirus BM5 protein regulates progeny virus production and viral gene expression. Virology. 2016: 498, 240–249. DOI:10.1016/j.virol.2016.08.032 

Katsuma S*. Transcription of dbp from the coding region of the Bm17 gene is required for the efficient propagation of Bombyx mori nucleopolyhedrovirus. Virus Research. 2016: 223, 57–63. DOI:10.1016/j.virusres.2016.06.018.

Sakai H, Sumitani M, Chikami Y, Yahata K, Uchino K, Kiuchi T, Katsuma S, Aoki F, Sezutsu H, Suzuki MG. Transgenic Expression of the piRNA-Resistant Masculinizer Gene Induces Female-Specific Lethality and Partial Female-to-Male Sex Reversal in the Silkworm, Bombyx mori. PLoS Genetics. 2016: 12 (8), e1006203. DOI: 10.1371/journal.pgen.1006203.

Sugano Y, Kokusho R, Ueda M, Fujimoto M, Tsutsumi N, Shimada T, Kiuchi T, Katsuma S. Identification of a bipartite nuclear localization signal in the silkworm Masc protein. FEBS Letters. 2016: 590(14), 2256–2261. DOI: 10.1002/1873-3468.12246. 

Innami K, Aizawa T, Tsukui T, Katsuma S, Imanishi S, Kawasaki H, and Iwanaga M. Infection studies of nontarget mammalian cell lines with Bombyx mori macula-like virus. Journal of Virological Methods. 2016: 229, 24–26. DOI:10.1016/j.jviromet.2015.12.002.

Ito K, Shimura S, Katsuma S, Tsuda Y, Kobayashi J, Tabunoki H, Yokoyama T, Shimada T, Kadono-Okuda K. Gene expression and localization analysis of Bombyx mori bidensovirus and its putative receptor in B. mori midgut. J Invertebr Pathol. 2016: 136, 50-6. DOI:10.1016/j.jip.2016.03.005.

Sakai H, Kirino Y, Katsuma S, Aoki F, Suzuki MG*. Morphological and histomorphological structures of testes and ovaries in early developmental stages of the silkworm, Bombyx mori. Journal of Insect Biotechnology and Sericology. 2016: 85, 15–20. DOI:10.11416/jibs.85.1_015.

Izumi N, Shoji K, Sakaguchi Y, Honda S, Kirino Y, Suzuki T, Katsuma S, Tomari Y. Identification and Functional Analysis of the Pre-piRNA 3' Trimmer in Silkworms. Cell. 2016: 164(5), 962-73. DOI: 10.1016/j.cell.2016.01.008.  

Ito K, Katsuma S, Kuwazaki S, Jouraku A, Fujimoto T, Sahara K, Yasukochi Y, Yamamoto K, Tabunoki H, Yokoyama T, Kadono-Okuda K, and Shimada T. Mapping and recombination analysis of two moth colour mutations, Black moth and Wild wing spot, in the silkworm Bombyx mori. Heredity. 2016: 116, 52–59. DOI:10.1038/hdy.2015.69.

Yuasa M, Kiuchi T, Banno Y, Katsuma S, Shimada T. Identification of the silkworm quail gene reveals a crucial role of a receptor guanylyl cyclase in larval pigmentation. Insect Biochemistry and Molecular Biology. 2016: 68, 33-40. DOI: 10.1016/j.ibmb.2015.10.016. 

■2015

Uchiyama K, Fujimoto H, Katsuma S, Imanishi S, Kato A, Kawasaki H, and Iwanaga M. Inactivation of Bombyx mori macula-like virus under physical conditions. In Vitro Cell Dev Biol Anim. 2016: 52(3), 265-70. Epub 2015 Nov 5. DOI:10.1007/s11626-015-9972-1.

Katsuma S. Phosphatase activity of Bombyx mori nucleopolyhedrovirus PTP is dispensable for enhanced locomotory activity in B. mori larvae. Journal of Invertebrate Pathology. 2015: 132, 228–232. DOI:10.1016/j.jip.2015.11.002.

Katsuma S, Sugano Y, Kiuchi T, and Shimada T. Two Conserved Cysteine Residues Are Required for the Masculinizing Activity of the Silkworm Masc Protein. Journal of biological chemistry. 2015: 290(43), 26114–26124. DOI:10.1074/jbc.M115.685362.

Shoji K, Katsuma S. Is the expression of sense and antisense transgenes really sufficient for artificial piRNA production? Current biology. 2015: 25(16), R708-10. DOI: 10.1016/j.cub.2015.07.001.

Lee J, Kiuchi T, Kawamoto M, Shimada T, and Katsuma S. Identification and functional analysis of a Masculinizer orthologue in Trilocha varians (Lepidoptera: Bombycidae). Insect Molecular Biology. 2015: 24(5), 561-9. DOI:10.1111/imb.12181.

Fukui T*, Kawamoto M*, Shoji K*, Kiuchi T*, Sugano S, Shimada T, Suzuki Y, and Katsuma S. The Endosymbiotic Bacterium Wolbachia Selectively Kills Male Hosts by Targeting the Masculinizing Gene. PLoS Pathogens. 2015: 11(7), e1005048. DOI:10.1371/journal.ppat.1005048. (*These authors contributed equally to this work.) 

Li JJ, Cao C, Fixsen SM, Young JM, Ono C, Bando H, Elde NC, Katsuma S, Dever TE, and Sicheri F. Baculovirus protein PK2 subverts eIF2α kinase function by mimicry of its kinase domain C-lobe. Proceedings of the National Academy of Sciences. 2015: 112(32), E4364-73. DOI:10.1073/pnas.1505481112.

Wang H, Kiuchi T, Katsuma S, and Shimada T. A novel sucrose hydrolase from the bombycoid silkworms Bombyx mori, Trilocha varians, and Samia cynthia ricini with a substrate specificity for sucrose. Insect Biochemistry and Molecular Biology. 2015: 61, 46-52. DOI:10.1016/j.ibmb.2015.04.005.

Kokusho R, Kawamoto M, Koyano Y, Sugano S, Suzuki Y, Shimada T, and Katsuma S. Bombyx mori nucleopolyhedrovirus ARIF-1 enhances systemic infection in B. mori larvae. Journal of General Virology. 2015: 96(Pt 7), 1938-1946. DOI:10.1099/vir.0.000130.

Kawamoto M, Koga H, Kiuchi T, Shoji K, Sugano S, Shimada T, Suzuki Y, and Katsuma S. Sexually biased transcripts at early embryonic stages of the silkworm depend on the sex chromosome constitution. Gene. 2015: 560, 50–56. DOI: 10.1016/j.gene.2015.01.036.

Ishihara G, Kokusho R, Shimada T, and Katsuma S. Functional analysis of antisense long non-coding RNAs transcribed from the Bombyx mori (Lepidoptera: Bombycidae) nucleopolyhedrovirus genome. Applied Entomology and Zoology. 2015: 50, 155–167. DOI:10.1007/s13355-014-0317-4.

Katsuma S, and Shimada T. The killing speed of egt-inactivated Bombyx mori nucleopolyhedrovirus depends on the developmental stage of B. mori larvae. Journal of Invertebrate Pathology. 2015: 126, 64-70. DOI:10.1016/j.jip.2015.01.012.

Katsuma S, Bando H, and Shimada T. Deletion analysis of a superoxide dismutase gene of Bombyx mori nucleopolyhedrovirus. Applied Entomology and Zoology. 2015: 50, 57-62. DOI:10.1007/s13355-014-0304-9.

■2014

Ito H, Bando H, Shimada T, and Katsuma S. The BIR and BIR-like domains of Bombyx mori nucleopolyhedrovirus IAP2 protein are required for efficient viral propagation. Biochem Biophys Res Commun. 2014: 454(4), 581-587. DOI:10.1016/j.bbrc.2014.10.132.

Rong Y, Fujii T, Katsuma S, Yamamoto M, Ando T, and Ishikawa Y. CYP341B14: A cytochrome P450 involved in the specific epoxidation of pheromone precursors in the fall webworm Hyphantria cunea. Insect Biochemistry and Molecular Biology. 2014: 54, 122-128. DOI:10.1016/j.ibmb.2014.09.009.

Iwanaga M, Tsukui K, Uchiyama K, Katsuma S, Imanishi S, and Kawasaki H. Expression of recombinant proteins by BEVS in a macula-like virus-free silkworm cell line. Journal of Invertebrate Pathology. 2014: 123, 34-37. DOI:10.1016/j.jip.2014.09.004.

Shoji K, Hara K, Kawamoto M, Kiuchi T, Kawaoka S, Sugano S, Shimada T, Suzuki Y, and Katsuma S. Silkworm HP1a transcriptionally enhances highly expressed euchromatic genes via association with their transcription start sites. Nucleic Acids Research. 2014: 42(18):11462-11471. DOI:10.1093/nar/gku862.

Iwanaga M, Adachi Y, Uchiyama K, Tsukui K, Katsuma S, Kawasaki H. Long-term adaptation of the Bombyx mori BmN4 cell line to grow in serum-free culture. In Vitro Cell Dev Biol Anim. 2014 Jun 17. [Epub ahead of print] 

Kiuchi T, Koga H*, Kawamoto M*, Shoji K*, Sakai H, Arai Y, Ishihara G, Kawaoka S, Sugano S, Shimada T, Suzuki Y, Suzuki MG and Katsuma S. A single female-specific piRNA is the primary determiner of sex in the silkworm. Nature. 2014: 509, 633-636. DOI:10.1038/nature13315. (*These authors contributed equally to this work.) 

Iwanaga M, Shibano Y, Ohsawa T, Fujita T, Katsuma S, and Kawasaki H. Involvement of HSC70-4 and other inducible HSPs in Bombyx mori nucleopolyhedrovirus infection. Virus Research. 2014: 179, 113-118. DOI:10.1016/j.virusres.2013.10.028.

Uemura N, Tabunoki H, Suzuki T, Ishikawa K, Nojima Y, Katsuma S, Sato R, and Satoh JI. Production of wild-type and mutant-type human DAP12 proteins by Bombyx mori nucleopolyhedrovirus vector. Bioscience, Biotechnology, and Biochemistry. 2014: 78(1), 71-74. DOI:10.1080/09168451.2014.877824.

■2013

Bisch-Knaden S, Daimon T, Shimada T, Hansson BS, Sachse S. Anatomical and functional analysis of domestication effects on the olfactory system of the silkmoth Bombyx mori. Proc Biol Sci. 2013: 281(1774), 20132582. DOI: 10.1098/rspb.2013.2582.

Fujii T, Suzuki MG, Katsuma S, Ito K, Rong Y, Matsumoto S, Ando T, and Ishikawa Y., Discovery of a disused desaturase gene from the pheromone gland of the moth Ascotis selenaria, which secretes an epoxyalkenyl sex pheromone. Biochemical and Biophysical Research Communications. 2013: 441(4), 849-55. DOI:10.1016/j.bbrc.2013.10.143.

Suetsugu Y, Futahashi R, Kanamori H, Kadono-Okuda K, Sasanuma SI, Narukawa J, Ajimura M, Jouraku A, Namiki N, Shimomura M, Sezutsu H, Osanai-Futahashi M, Suzuki MG, Daimon T, Shinoda T, Taniai K, Asaoka K, Niwa R, Kawaoka S, Katsuma S, Tamura T, Noda H, Kasahara M, Sugano S, Suzuki Y, Fujiwara H, Kataoka H, Arunkumar KP, Tomar A, Nagaraju J, Goldsmith MR, Feng Q, Xia Q, Yamamoto K, Shimada T, and Mita K. Large scale full-length cDNA sequencing reveals a unique genomic landscape in a lepidopteran model insect, Bombyx mori. G3 (Bethesda). 2013: 3, 1481-1492. DOI: 10.1534/g3.113.006239.

Shoji K, Kiuchi T, Hara K, Kawamoto M, Kawaoka S, Arimura S, Tsutsumi N, Sugano S, Suzuki Y, Shimada T, Katsuma S. Characterization of a novel chromodomain-containing gene from the silkworm, Bombyx mori. Gene. 2013: 527 (2), 649-654. DOI: 10.1016/j.gene.2013.06.071. 

Izumi N, Kawaoka S, Yasuhara S, Suzuki Y, Sugano S, Katsuma S, and Tomari Y. Hsp90 facilitates accurate loading of precursor piRNAs into PIWI proteins. RNA. 2013: 19, 896-901. DOI: 10.1261/rna.037200.112.

Bono F, De Smet F, Herbert C, De Bock K, Georgiadou M, Fons P, Tjwa M, Alcouffe C, Ny A, Bianciotto M, Jonckx B, Murakami M, Lanahan A, Michielsen C, Sibrac D, Dol-Gleizes F, Mazzone M, Zacchigna S, Herault JP, Fischer C, Rigon P, Ruiz de Almodovar C, Claes F, Blanc I, Poesen K, Zhang J, Segura I, Gueguen G, Bordes MF, Lambrechts D, Broussy R, van de Wouwer M, Michaux C, Shimada T, Jean I, Blacher S, Noel A, Motte P, Rom E, Rakic JM, Katsuma S, Schaeffer P, Yayon A, Schepdael VA, Schwalbe H, Gervasio F, Carmeliet G, Rozensky J, Dewerchin M, Simons M, Christopoulos A, Herbert JM, and Carmeliet P. Inhibition of tumor angiogenesis and growth by a small-molecule multi-FGF receptor blocker with allosteric properties. Cancer Cell. 2013: 23, 477-488. DOI: 10.1016/j.ccr.2013.02.019.

Wang L, Kiuchi T, Fujii T, Daimon T, Li M, Banno Y, Kikuta S, Kikawada T, Katsuma S, Shimada T. Mutation of a novel ABC transporter gene is responsible for the failure to incorporate uric acid in the epidermis of ok mutants of the silkworm, Bombyx mori. Insect Biochemistry and Molecular Biology. 2013: 43 (7) 562-571. DOI: 10.1016/j.ibmb.2013.03.011. 

Lin Y, Meng Y, Wang YX, Luo J, Katsuma S, Yang CW, Banno Y, Kusakabe T, Shimada T, Xia QY. Vitellogenin receptor mutation leads to the oogenesis mutant phenotype 'scanty vitellin' of the silkworm, Bombyx mori. Journal of Biological Chemistry. 2013: 288, 13345-13355. DOI: 10.1074/jbc.M113.462556.

Fujii T, Abe H, Kawamoto M, Katsuma S, Banno Y, and Shimada T. Albino (al) is a tetrahydrobiopterin (BH4)-deficient mutant of the silkworm Bombyx mori. Insect Biochemistry and Molecular Biology. 2013: 43(7), 594-600. DOI: 10.1016/j.ibmb.2013.03.009.

Ishihara G, Shimada T, and Katsuma S. Functional characterization of Bombyx mori nucleopolyhedrovirus CG30 protein. Virus Research. 2013: 174, 52–59. DOI: 10.1016/j.ccr.2013.02.019.

Tsuchida A, Ishihara G, Shimada T, and Katsuma S. Dimerization and proper degradation of Bombyx mori nucleopolyhedorivirus IE2 are required for efficient virus growth in B. mori larvae. Applied Entomology and Zoology. 2013: 48, 125–130. 

Ito K, Kidokoro K, Shimura S, Katsuma S, and Kadono-Okuda K. Detailed investigation of the sequential pathological changes in silkworm larvae infected with Bombyx densovirus type 1. Journal of Invertebrate Pathology. 2013: 112, 213-218. DOI: 10.1016/j.jip.2012.12.005.

Wang L, Kiuchi T, Fujii T, Daimon T, Li M, Banno Y, Katsuma S, and Shimada T. Reduced expression of the dysbindin-like gene in the Bombyx mori ov mutant exhibiting mottled translucency of the larval skin. Genome. 2013: 56, 101-108. DOI: 10.1139/gen-2012-0127.

Kawaoka S*, Hara K*, Shoji K, Kobayashi M, Shimada T, Sugano S, Tomari Y, Suzuki Y, and Katsuma S. The comprehensive epigenome map of piRNA clusters. Nucleic Acids Research. 2013: 41, 1581-1590. (* These authors contributed equally to this work.) DOI: 10.1093/nar/gks1275.

Hori T, Kiuchi T, Shimada T, Nagata M, and Katsuma S. Silkworm plasmatocytes are more resistant than other hemocyte morphotypes to Bombyx mori nucleopolyhedrovirus infection. Journal of Invertebrate Pathology. 2013: 112, 102-104. DOI: 10.1016/j.jip.2012.09.004.

■2012

Katsuma S and Shimada T. Comparative studies of Bombyx mori nucleopolyhedrovirus infection in BmN4 cell lines maintained in different laboratories. Journal of Insect Biotechnology and Sericology. 2012: 81, 7-12 (available online: https://www.jstage.jst.go.jp/article/jibs/81/1/81_1_007/_pdf). 

Fujii T, Y.Banno Y, Abe H, Katsuma S, and Shimada T. A homolog of the human Hermansky-Pudluck Syndrome-5 (HPS5) gene is responsible for the oa larval translucent mutants in the silkworm, Bombyx mori. Genetica. 2012: 140, 463-468. DOI: 10.1007/s10709-012-9694-1.

Daimon T, Fujii T, Fujii T, Yokoyama T, Katsuma S, Shinoda T, Shimada T, and Ishikawa Y. Reinvestigation of the sex pheromone of the wild silkmoth, Bombyx mandarina: The effects of bombykal and bombykyl acetate. Journal of Chemical Ecology. 2012: 38, 1031-1035. DOI: 10.1007/s10886-012-0164-0.

Ito K, Kidokoro K, Katsuma S, Shimada T, Yamamoto K, Mita K, and Kadono-Okuda K. Positional cloning of a gene responsible for the cts mutation of the silkworm, Bombyx mori. Genome. 2012: 55, 493-504. DOI: 10.1139/g2012-033.

Katsuma S, Koyano Y, Kang W-K, Kokusho R, Kamita SG, and Shimada T. The baculovirus uses a captured host phosphatase to induce enhanced locomotory activity in host caterpillars. PLoS Pathogens. 2012: 8, e1002644 (available online: http://dx.doi.org/10.1371/journal.ppat.1002644). DOI: 10.1371/journal.ppat.1002644.

Daimon T, Kozaki T, Niwa R, Kobayashi I, Furuta K, Namiki T, Uchino K, Banno Y, Katsuma S, Tamura T, Mita K, Sezutsu H, Nakayama M, Itoyama K, Shimada T, and Shinoda T. Precocious metamorphosis in the juvenile hormone-deficient mutant of the silkworm, Bombyx mori. PLoS Genetics. 2012: 8, e1002486 (available online: http://dx.doi.org/10.1371/journal.pgen.1002486). DOI: 10.1371/journal.pgen.1002486

Hara K, Fujii T, Suzuki Y, Sugano S, Shimada T, Katsuma S, and Kawaoka S. Altered expression of testis-specific genes, piRNAs, and transposons in the silkworm ovary masculinized by a W chromosome mutation. BMC Genomics. 2012: 13, 119 (available online: http://www.biomedcentral.com/1471-2164/13/119/). DOI: 10.1186/1471-2164-13-119.

Kang W-K, Katsuma S, Matsuda-Imai N, Kurihara M, Yoshiga T, Shimada T, and Matsumoto S. Identification and characterization of host factors interacting with Bombyx mori nucleopolyhedrovirus ORF8. Journal of Microbiology. 2012: 50, 469-477. DOI: 10.1007/s12275-012-2010-z.

Daimon T*, Fujii T*, Yago M, Hsu Y-F, Nakajima Y, Fujii T, Katsuma S, Ishikawa Y, and Shimada T. Female sex pheromone and male behavioral responses of the bombycid moth Trilocha varians: comparison with those of the domesticated silkmoth Bombyx mori. Naturwissenschaften. 2012: 99, 207-215. DOI: 10.1007/s00114-012-0887-3. (* These authors contributed equally to this work.) 

Katsuma S, Kobayashi J, Koyano Y, Matsuda-Imai N, Kang W-K, and Shimada T. Baculovirus-encoded protein BV/ODV-E26 determines tissue tropism and virulence in lepidopteran insects. Journal of Virology. 2012: 86, 2545-2555. DOI: 10.1128/JVI.06308-11.

Iwanaga M, Hitotsuyama T, Katsuma S, Ishihara G, Daimon T, Shimada T, Imanishi S, and Kawasaki H. Infection study of Bombyx mori macula-like virus (BmMLV) using a BmMLV-negative cell line and an infectious cDNA clone. Journal of Virological Methods. 2012: 179, 316-324. DOI: 10.1016/j.jviromet.2011.11.016.

Kawaoka S*, Mitsutake H*, Kiuchi T, Kobayashi M, Yoshikawa M, Suzuki Y, Sugano S, Shimada T, Kobayashi J, Tomari Y, and Katsuma S. A role for transcription from a piRNA cluster in de novo piRNA production. RNA. 2012: 18, 265-273. DOI: 10.1261/rna.029777.111. (* These authors contributed equally to this work)

Daimon T, Yago M, Hsu YF, Fujii T, Nakajima Y, Kokusho R, Abe H, Katsuma S, Shimada T. Molecular Phylogeny, Laboratory Rearing, and Karyotype of the Bombycid Moth, Trilocha varians. J Insect Sci. 2012: 12, 49. DOI: 10.1673/031.012.4901.

■2011