Cocoon Spinning Behavior in the Silkworm, Bombyx mori : Comparison of Three Strains Constructing Different Cocoons in Shape(Behavior Biology)
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概要
- 論文の詳細を見る
The spinning behavior of the silkworm, Bombyx mori, was recorded on videotapes from two angles and analysed by three dimentional computer graphics using the Japanese (J. 124), Chinese (C. 124) and their hybrid (J. 124 × C. 124) strains. These strains constructed typical peanut-shaped, spherical and ellipsoidal cocoons, respectively. Linear representation of the spinning posture revealed that larvae fixed the posterior half of the larval body (6th to 13th segment) and spun silk moving their anterior half (1st to 5th segment) for the most spinning period in all strains used. Little difference was observed in the average spinning speed among them. The Japanese strain spun primarily in a S-letter posture and changed its direction frequently. The larva of Chinese strain often assumed a C-letter posture and showed direction-changing behavior with comparatively lower frequency. The hybrid larva threw the head back largely in an U-letter shape during most of the spinning period and showed cocoon expansion behaviors most frequently. The cocoon expansion behavior occurred mainly at both ends of the peanut-shaped cocoon (J. 124), at the center part of the spherical cocoon (C. 124) and at both shoulders in the ellipsoidal cocoon of the hybrid strain. Thus, there exist strain-specific features in the spinning behavior, and it is suggested that the main behavioral factors affecting cocoon shape formation are the spinning posture and the cocoon expansion behavior during spinning.
- 社団法人日本動物学会の論文
- 1999-04-15
著者
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Satoh Katsuya
日本原子力研究所
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Shirai Koji
Department of Internal Medicine, Toho University Sakura Medical Center
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Shirai K
Division Of Applied Biology Faculty Of Textile Science And Technology Shinshu University
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KIGUCHI Kenji
Department of Applied Biology, Faculty of Textile Science and Technology, Shinshu University
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Ito Emi
Department of Bioengineering, Nagaoka University of Technology
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Shirai Katsuyuki
Department Of Radiation Oncology Gunma University Graduate School Of Medicine
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Ito Emi
Department Of Applied Biology Faculty Of Textile Science And Technology Shinshu University
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Kiguchi Kenji
Division Of Applied Biology Faculty Of Textile Science And Technology Shinshu University
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Kiguchi Kenji
Department Of Applied Biology Faculty Of Textile Science And Technology Shinshu University
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Miura Mikihiko
Department Of Applied Biology Faculty Of Textile Science And Technology Shinshu University
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Shirai Koji
Department Of Clinical Laboratory Medicine Sakura Hospital School Of Medicine Toho University
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Satoh K
Division Of Applied Biology Faculty Of Textile Science And Technology Shinshu University
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Kiguchi K
Faculty Of Textile Science And Technology Shinshu University
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Kiyosawa Makoto
Division Of Insect Sciences National Institute Of Agrobiological Sciences
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Kiuchi Makoto
Invertebrate Gene Function Research Unit National Institute Of Agrobiological Sciences
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Kiyosawa Makoto
Department of Applied Biology, Faculty of Textile Science and Technology, Shinshu University
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Kanekatsu Rensuke
Department of Applied Biology, Faculty of Textile Science and Technology, Shinshu University
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Suzuki Keiji
Atomic Bomb Disease Institute Graduate School Of Biomedical Sciences Nagasaki University
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Kanekatsu R
Division Of Applied Biology Faculty Of Textile Science And Technology Shinshu University
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Shibuya Kei
Dep. Of Radiation Oncology Gunma Univ. Graduate School Of Medicine
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Kanekatsu Rensuke
Department Of Applied Biology Interdisciplinary Graduate School Of Science And Technology Shinshu University
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