Abstract
As aviation technology has developed, there has been more emphasis on exploitation and utilization of the space frontier. The lepidopteran insect Bombyx mori has advantages, including small body size, light weight, short life cycle, and well-characterized genetics, when used as a model for biological investigations in space compared with other animals. In preparation for experiments in space, we carried out a simulation experiment, and the number of embryos and the culture temperature and humidity were optimized. The silkworm incubator was launched with China’s SJ-10 recoverable microgravity experimental satellite and was in orbit for 12 days and 15 h in 2016. The embryos were cultured in space. Images of the silkworm embryos were obtained during flight. The embryos cultured in space hatched properly after returning to the ground, but silkworm larva obtained from cultures grown on the SJ-10 satellite grew more rapidly than the ground control group. Analyses of subsequent generations and genome, transcriptome, and proteome analyses are ongoing.
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Abbreviations
- BmNPV:
-
B. mori nuclear polyhedrosis virus
- cDNA:
-
Coding DNA
- CRISPR:
-
Clustered regularly interspaced short palindromic repeats
- ISS:
-
International Space Station
- mRNA:
-
Messenger RNA
- RNAi:
-
RNA interference
- TALENs:
-
Transcription activator-like effector nucleases
- ZFNs:
-
Zinc finger nucleases
- ZFP:
-
Zinc finger proteins
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Acknowledgements
This work was supported by grants from the Strategic Priority Research Program of Chinese Academy of Sciences (XDA04020414) and National Science Foundation of China (U1738110).
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Liu, Z., Li, Z., Shang, P., Huang, Y., Tan, A. (2019). Effects of the Space Environment on Silkworm Development Time. In: Duan, E., Long, M. (eds) Life Science in Space: Experiments on Board the SJ-10 Recoverable Satellite. Research for Development. Springer, Singapore. https://doi.org/10.1007/978-981-13-6325-2_5
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