{"created":"2022-02-02T02:00:17.232881+00:00","id":2012155,"links":{},"metadata":{"_buckets":{"deposit":"1fc87eaf-743e-4772-9eac-52069502df40"},"_deposit":{"id":"2012155","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"2012155"},"status":"published"},"_oai":{"id":"oai:u-ryukyu.repo.nii.ac.jp:02012155","sets":["1642838163960:1642838338003","1642838403551:1642838412624"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_1551255647225":"Duplication and soldier-specific expression of geranylgeranyl diphosphate synthase genes in a nasute termite Nasutitermes takasagoensis","subitem_1551255648112":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Hojo, Masaru","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"Shigenobu, Shuji","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"Maekawa, Kiyoto","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"Miura, Toru","creatorNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_1522299639480":"open access","subitem_1600958577026":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_1522299896455":"en","subitem_1522300014469":"Other","subitem_1523261968819":"Chemical defence"},{"subitem_1522299896455":"en","subitem_1522300014469":"Other","subitem_1523261968819":"Exocrine gland"},{"subitem_1522299896455":"en","subitem_1522300014469":"Other","subitem_1523261968819":"Mevalonate pathway"},{"subitem_1522299896455":"en","subitem_1522300014469":"Other","subitem_1523261968819":"Nasus"},{"subitem_1522299896455":"en","subitem_1522300014469":"Other","subitem_1523261968819":"Termitidae"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"In the evolutionarily-derived termite subfamily Nasutitermitinae (family Termitidae), soldiers defend their nestmates by discharging polycyclic diterpenes from a head projection called the “nasus.” The diterpenes are synthesised in the frontal gland from the precursor geranylgeranyl diphosphate (GGPP), which is generally used for post-translational modification of proteins in animals. In this study, we constructed a comprehensive gene catalogue to search for genes involved in the diterpene biosynthesis by assembling RNA sequencing reads of Nasutitermes takasagoensis, identifying eight gene copies for GGPP synthase (GGPPS). The number of gene copies is much larger in contrast to other related insects. Gene cloning by reverse transcription-PCR and rapid amplification of cDNA ends confirmed that seven GGPPS genes (NtGGPPS1 to NtGGPPS7) have highly variable untranslated regions. Molecular phylogenetic analysis showed that theNtGGPPS7gene was grouped with homologs obtained from ancestral termites that have only a single copy of the gene, and theNtGGPPS6gene was grouped with homologs obtained from a basal lineage of termitids, in which soldiers do not synthesise diterpenes. As the sister group to this clade, furthermore, a monophyletic clade included all the other NtGGPPS genes (NtGGPPS1toNtGGPPS5). Expression analyses revealed thatNtGGPPS7gene was expressed in all the examined castes and tissues, whereas all the other genes were expressed only in the soldier head. These results suggest that gene duplication followed by subfunctionalisation of the GGPPS genes might have accompanied the evolution of chemical defence in the nasute termite lineage.","subitem_description_type":"Other"},{"subitem_description":"論文","subitem_description_type":"Other"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_1522300295150":"en","subitem_1522300316516":"Elsevier"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_1551255818386":"eng"}]},"item_1617186783814":{"attribute_name":"Identifier","attribute_value_mlt":[{"subitem_identifier_type":"HDL","subitem_identifier_uri":"http://hdl.handle.net/20.500.12000/47405"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_1522646500366":"ISSN","subitem_1522646572813":"0965-1748"},{"subitem_1522646500366":"ISSN","subitem_1522646572813":"1879-0240"}]},"item_1617186941041":{"attribute_name":"Source Title","attribute_value_mlt":[{"subitem_1522650068558":"en","subitem_1522650091861":"Insect Biochemistry and Molecular Biology"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2019-06-20","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"111"}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version 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