DOSE RATE EFFECTS IN THE DEVELOPING GERM CELLS OF MALE DROSOPHILA

Journal Article · Wed Jan 01 04:00:00 EST 1964 · Genetic

OSTI ID:4113446

Alexander, M L; Bergendahl, J

The developing germ cells of Drosophila melanogaster were treated with fast and fractionated doses of x radiation in 4 atmospheres of argon or in 3 atmospheres of argon + 2 atmosphere of oxygen. An enhancement in biological damage was observed in all postmeiotic sperm and spermatid cells in tests when oxygen was present in combination with argon. There were no effects due to the rate at which the radiation was administered with mature sperm cells. Enhancements in translocations and sex-linked recessive lethals were obtained for spermatids in argon by giving the total radiation dose in two fractions 40 minutes apart. When oxygen was present with the argon, similar values were obtained with a fast, continuous dose and with fractionated doses. Another type of dose rate effect was observed when spermatogonia were treated. The dominant lethal percentages were higher when doses were fractionated in both the argon and in the argon + oxygen tests. (auth)

• Research Organization: Univ. of Texas M.D. Anderson Hospital, Houston and Univ. of Texas, Austin
• NSA Number: NSA-18-008157
• OSTI ID: 4113446
• Journal Information: Genetic, Journal Name: Genetic Vol. Vol: 49
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ARGON
BIOLOGY AND MEDICINE
CYTOLOGY
DROSOPHILA
INSECTS
MITOSIS
MUTATIONS
OXYGEN
PRESSURE
QUANTITY RATIO
RADIATION DOSES
RADIATION EFFECTS
REPRODUCTION
SPERMATOGONIA
VARIATIONS
X RADIATION