Nucleic Acid Synthesis in Various Tissues during the Larval Molting Cycle of Bombyx mori L.(Lapidoptera : Bombycidae)

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概要

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• The synthesis of nuclear DNA and RNA in various tissues of Bombyx larvae during the 1st to the 2nd molting stage was examined by means of autoradiography.In the epidermis and the traches, DNA synthesis occurred at the later half of feeding stage and the molting stage. In the cells of muscle and the Malpighian tube, DNA synthesis was also detected in the middle of feeding stage and in the molting stage. In the silk gland and the columnar cells of the midgut, the synthesis continued throughout the molt cycle. In the fat body and the nervous tissue, the synthesis occured at several times during the cycle.RNA synthesis continued throughout the larval molt cycle in all tissues examined. The rate of nuclear RNA synthesis seems to be positively correlated with the secretory activity of each tissue.

• 日本応用動物昆虫学会の論文
• 1971-06-25

著者

• Akai Hiromu

  The Sericultural Experiment Station

• PARK Kwang

  (Present addrress)College of Agriculture, Seoul National University

• Park Kwang

  (present Address)the Sericultural Experiment Station Office Of Rural Development

関連論文

• Increased Accumulation of Silk Protein Accompanying JH-Induced Prolongation of Larval Life in Bombyx mori L.(Lepidoptera : Bombycidae)
• Effect of Incubation Temperature on Nucleic Acid and Protein Syntheses during Embryonic Development of the Silkworm, Bombyx mori L. : Lepidoptera : Bombycidae
• An Ultrastructural Study of Changes during Molting in the Silk Gland of Larvae of the Eri-silkworm, Philosamia cynthia ricini BOISDUVAL (Lepidoptera : Saturniidae)
• Nucleic Acid Synthesis in Various Tissues during the Larval Molting Cycle of Bombyx mori L.(Lapidoptera : Bombycidae)
• Characteristic Ultrastructural Changes in the Midgut Cells of Bombyx Larvae Following Administration of Cadmium Chloride

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