神戸大学附属図書館デジタルアーカイブ
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https://hdl.handle.net/20.500.14094/90005242
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2024-04-26
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90005242 (fulltext)
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90005242
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open access
出版タイプ
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タイトル
Putative Neural Network Within an Olfactory Sensory Unit for Nestmate and Non-nestmate Discrimination in the Japanese Carpenter Ant: The Ultra-structures and Mathematical Simulation
著者
Takeichi, Yusuke ; Uebi, Tatsuya ; Miyazaki, Naoyuki ; Murata, Kazuyoshi ; Yasuyama, Kouji ; Inoue, Kanako ; Suzaki, Toshinobu ; Kubo, Hideo ; Kajimura, Naoko ; Takano, Jo ; Omori, Toshiaki ; Yoshimura, Ryoichi ; Endo, Yasuhisa ; Hojo, Masaru K. ; Takaya, Eichi ; Kurihara, Satoshi ; Tatsuta, Kenta ; Ozaki, Koichi ; Ozaki, Mamiko
著者名
Takeichi, Yusuke
著者ID
A2198
研究者ID
1000080513803
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=2f7ca53cdcfb1218520e17560c007669
著者名
Uebi, Tatsuya
上尾, 達也
ウエビ, タツヤ
所属機関名
理学研究科
著者名
Miyazaki, Naoyuki
著者名
Murata, Kazuyoshi
著者名
Yasuyama, Kouji
著者名
Inoue, Kanako
著者ID
A0004
研究者ID
1000000187692
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=092cc814fa1a4846520e17560c007669
著者名
Suzaki, Toshinobu
洲﨑, 敏伸
スザキ, トシノブ
所属機関名
理学研究科
著者名
Kubo, Hideo
著者名
Kajimura, Naoko
著者名
Takano, Jo
著者ID
A0310
研究者ID
1000010391898
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=8ccde8ac5b4f0a11520e17560c007669
著者名
Omori, Toshiaki
大森, 敏明
オオモリ, トシアキ
所属機関名
工学研究科
著者名
Yoshimura, Ryoichi
著者名
Endo, Yasuhisa
著者名
Hojo, Masaru K.
著者名
Takaya, Eichi
著者名
Kurihara, Satoshi
著者名
Tatsuta, Kenta
著者名
Ozaki, Koichi
著者ID
A0451
研究者ID
1000000314302
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=7a0bcc18c0f2052f520e17560c007669
著者名
Ozaki, Mamiko
尾崎, まみこ
オザキ, マミコ
所属機関名
理学研究科
収録物名
Frontiers in Cellular Neuroscience
巻(号)
12
ページ
310-310
出版者
Frontiers Media
刊行日
2018-09-19
公開日
2018-10-03
抄録
Ants are known to use a colony-specific blend of cuticular hydrocarbons (CHCs) as a pheromone to discriminate between nestmates and non-nestmates and the CHCs were sensed in the basiconic type of antennal sensilla (S. basiconica). To investigate the functional design of this type of antennal sensilla, we observed the ultra-structures at 2D and 3D in the Japanese carpenter ant, Camponotus japonicus, using a serial block-face scanning electron microscope (SBF-SEM), and conventional and high-voltage transmission electron microscopes. Based on the serial images of 352 cross sections of SBF-SEM, we reconstructed a 3D model of the sensillum revealing that each S. basiconica houses >100 unbranched dendritic processes, which extend from the same number of olfactory receptor neurons (ORNs). The dendritic processes had characteristic beaded-structures and formed a twisted bundle within the sensillum. At the "beads," the cell membranes of the processes were closely adjacent in the interdigitated profiles, suggesting functional interactions via gap junctions (GJs). Immunohistochemistry with anti-innexin (invertebrate GJ protein) antisera revealed positive labeling in the antennae of C. japonicus. Innexin 3, one of the five antennal innexin subtypes, was detected as a dotted signal within the S. basiconica as a sensory organ for nestmate recognition. These morphological results suggest that ORNs form an electrical network via GJs between dendritic processes. We were unable to functionally certify the electric connections in an olfactory sensory unit comprising such multiple ORNs; however, with the aid of simulation of a mathematical model, we examined the putative function of this novel chemosensory information network, which possibly contributes to the distinct discrimination of colony-specific blends of CHCs or other odor detection.
キーワード
olfactory receptor
chemosensillum
chemical communication
innexin
ant
ultra-structures
mathematical simulation
カテゴリ
工学研究科
理学研究科
学術雑誌論文
権利
© 2018 Takeichi, Uebi, Miyazaki, Murata, Yasuyama, Inoue, Suzaki, Kubo, Kajimura, Takano, Omori, Yoshimura, Endo, Hojo, Takaya, Kurihara, Tatsuta, Ozaki and Ozaki.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
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資源タイプ
journal article
言語
English (英語)
eISSN
1662-5102
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関連情報
DOI
https://doi.org/10.3389/fncel.2018.00310
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