The killing effects of Ultraviolet light and X-rays on free-living nematode, Rhabditidae tokai. | Zendy

Nobuyoshi Ishii | Zendy; Kenshi Suzuki | Zendy

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The killing effects of Ultraviolet light and X-rays on free-living nematode, Rhabditidae tokai.

Author(s) -

Nobuyoshi Ishii,

Kenshi Suzuki

Publication year - 1980

Publication title -

journal of radiation research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.643

H-Index - 60

eISSN - 1349-9157

pISSN - 0449-3060

DOI - 10.1269/jrr.21.137

Subject(s) - biology , hatching , nematode , ultraviolet , larva , strain (injury) , reproduction , near ultraviolet , zoology , ecology , anatomy , optics , physics

The life-shortening effects of ultraviolet light (UV) and X-rays were investigated with a strain of free-living nematode, Rhabditidae tokai. UV exhibited a significant life-shortening effect on adult worms, and it also inhibited growth of larvae, hatching of eggs and reproduction. Sensitivity to UV was decreased with increasing ages. In contrast, nematodes showed a marked resistance to X-rays. Data were obtained suggesting that X-ray-induced singlestrand breaks in DNA can be rapidly and efficiently rejoined by a repair mechanism. Malformations were observed when immature larvae were irradiated with X-rays.

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