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A temperature sensitive dominant mutation which strongly reduces the egg laying period in drosophila melanogaster females



A temperature sensitive dominant mutation which strongly reduces the egg laying period in drosophila melanogaster females



Genetika 21(6): 978-986



Mutation 1(2)M90DTS (2-51, 3-52,5) causes dominant lethality at 29.degree. C and deformation of abdominal tergite at 25.degree. C both in males and females. In addition, heterozygote females have very low fertility, due to two reasons: (1) few eggs produced and (2) maternal effected embryonic lethality with 90% penetrance. When developed at 25.degree. C, such females lay eggs only during the first 5-6 days after fertilization. The time of egg-laying can be prolonged, if females are kept at lower temperature (21 or 17.degree. C) in the process of their development, while the temperature of keeping of the adult females (prior and after fertilization) has no influence on their fertility. It is suggested that functioning of the normal allele of 1(2)M90DTS gene is required for oogonial stem cell divisions.

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Accession: 004640117

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