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Temperature-Sensitive Mutations in Drosophila melanogaster , VII. A Mutation ( para ts ) Causing Reversible Adult Paralysis

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Suzuki, David T., Grigliatti, Thomas, Williamson, Rodney·1971·Proceedings of the National Academy of Sciences

Abstract

A temperature-sensitive mutation, para ts , in Drosophila melanogaster causes an immediate, but reversible, paralysis of adult flies when they are shifted from 22°C to 29°C. The mutation is a sex-linked recessive that maps 2.8 units to the left of f . Wild-type flies observed for 2-hr periods exhibited normal mobility at all temperatures between 22°C and 35°C. From 22°C to 25°C, para ts flies were wild type in walking, climbing, and flying ability. At 1-degree intervals above 25°C, para ts flies became increasingly debilitated; at 29°C, complete paralysis occurred. After flies were maintained for prolonged intervals at 29°C, some activity could be recovered at that temperature. Studies of the behavior of mosaics at 29°C revealed a requirement of the (+) allele in the head for mobility, and a thoracic component for proper leg movement. Normal electroretinograms were obtained at both 22°C and 30°C. The results suggest a temperature-sensitive defect in the nervous system.

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Metadata

Authors
Suzuki, D. T., Grigliatti, T., & Williamson, R.
Venue
Proceedings of the National Academy of Sciences
Published
1971-05
Volume
68
Issue
5
Pages
890-893
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2018582505
Cited by
234
References
0
FWCI
3.27
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Temperature-Sensitive Mutations in Drosophila melanogaster , VII. A Mutation ( para ts ) Causing Reversible Adult Paralysis. https://app.cochat.ai/papers/10.1073/pnas.68.5.890
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Suzuki, D. T., Grigliatti, T., & Williamson, R. (1971). Temperature-Sensitive Mutations in Drosophila melanogaster , VII. A Mutation ( para ts ) Causing Reversible Adult Paralysis. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.68.5.890

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