Radiation resistance and its inheritance in the silkworm, Bombyx mori

Masateru Takahashi, Man Lee, Hiroaki Mon, Hiroko Yoshida, Yutaka Kawaguchi, Hideaki Maekawa, Katsumi Koga, Takahiro Kusakabe

Research output: Contribution to journalArticle

Abstract

Exposure to radiation causes various biological effects, which can be detected both in the exposed animals and their offspring. In the silkworm, Bombyx mori, many studies in somatic and genetic effects of radiation have been conducted using various doses and qualities of radiation sources, because of their usability for mutation induction. However, differences in sensitivity to radiation among silkworm strains remain unknown. In the present study, we have identified two resistant strains (p50 and m042) and two sensitive strains (Crossed D sign2 and m91) for γ-irradiation by screening genetic stocks of B. mori maintained in Kyushu University Graduate School. In reciprocal mating experiments, there is liability that F1 progeny became more sensitive to γ-irradiation when the susceptible strains were used as the female parent. Even though details remain to be determined, it appears from the current studies that radiation sensitivity in the silkworm is controlled, at least in part, by maternal cytoplasmic inheritance.

Original languageEnglish
Pages (from-to)261-264
Number of pages4
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume51
Issue number2
Publication statusPublished - Oct 2006

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radiation resistance
Bombyx
Bombyx mori
silkworms
inheritance (genetics)
Radiation
Radiation Tolerance
irradiation
cytoplasmic inheritance
Extrachromosomal Inheritance
Radiation Genetics
Radiation Effects
Genetic Testing
Japan
screening
mutation
dosage
Mutation
animals

All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences (miscellaneous)

Cite this

Radiation resistance and its inheritance in the silkworm, Bombyx mori. / Takahashi, Masateru; Lee, Man; Mon, Hiroaki; Yoshida, Hiroko; Kawaguchi, Yutaka; Maekawa, Hideaki; Koga, Katsumi; Kusakabe, Takahiro.

In: Journal of the Faculty of Agriculture, Kyushu University, Vol. 51, No. 2, 10.2006, p. 261-264.

Research output: Contribution to journalArticle

Takahashi, M, Lee, M, Mon, H, Yoshida, H, Kawaguchi, Y, Maekawa, H, Koga, K & Kusakabe, T 2006, 'Radiation resistance and its inheritance in the silkworm, Bombyx mori', Journal of the Faculty of Agriculture, Kyushu University, vol. 51, no. 2, pp. 261-264.
Takahashi M, Lee M, Mon H, Yoshida H, Kawaguchi Y, Maekawa H et al. Radiation resistance and its inheritance in the silkworm, Bombyx mori. Journal of the Faculty of Agriculture, Kyushu University. 2006 Oct;51(2):261-264.
Takahashi, Masateru ; Lee, Man ; Mon, Hiroaki ; Yoshida, Hiroko ; Kawaguchi, Yutaka ; Maekawa, Hideaki ; Koga, Katsumi ; Kusakabe, Takahiro. / Radiation resistance and its inheritance in the silkworm, Bombyx mori. In: Journal of the Faculty of Agriculture, Kyushu University. 2006 ; Vol. 51, No. 2. pp. 261-264.
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