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| Status |
Public on Aug 21, 2023 |
| Title |
The fruit fly acetyltransferase chameau promotes starvation resilience at the expense of longevity |
| Organism |
Drosophila melanogaster |
| Experiment type |
Expression profiling by high throughput sequencing
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| Summary |
Proteins involved in cellular metabolism and molecular regulation can extend lifespan in various organisms in the laboratory. However, any improvement in aging would only provide an evolutionary benefit if the organisms were able to survive under non-ideal conditions. We have previously shown that Drosophila melanogaster carrying a loss of function allele of the acetyltransferase chameau (chm) has an increased healthy life span when fed ad libitum. Here, we show that loss of chm and a reduction of its activity result in a substantial reduction of weight and a decrease in starvation resistance. This phenotype is caused by a failure to properly regulate the genes and proteins required for energy storage and expenditure. The previously observed increase in survival time thus comes with the inability to prepare for and cope with nutrient stress. As the ability survive in environments with restricted food availability is likely a stronger evolutionary driver than the ability to live a long life, chm is still present in the organism’s genome despite its apparent negative effect on lifespan.
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| Overall design |
Anuroop V Venkatasubramani
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| |
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| Contributor(s) |
Imhof A |
| Citation(s) |
37724628 |
| |
| Submission date |
Aug 11, 2022 |
| Last update date |
Nov 20, 2023 |
| Contact name |
Anuroop Venkateswaran Venkatasubramani |
| E-mail(s) |
anuroop.venkatasubramani@bmc.med.lmu.de
|
| Phone |
01774100976
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| Organization name |
Ludwig-Maximilian University of Munich
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| Department |
Molecular Biology
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| Lab |
Axel Imhof
|
| Street address |
Großhadernerstr. 9
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| City |
Planegg-Martinsried |
| State/province |
Bavaria |
| ZIP/Postal code |
82152 |
| Country |
Germany |
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| Platforms (1) |
| GPL19951 |
Illumina HiSeq 1500 (Drosophila melanogaster) |
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| Samples (20)
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| Relations |
| BioProject |
PRJNA868729 |
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