Summary
Despite significant progress in chloroplast biotechnology the de novo synthesis of a chloroplast genome has
remained elusive. The development of strategies to design, assemble and transform artificial chloroplast genomes
would signify a step-change in the field of plant synthetic biology. Only recently, genome scale DNA synthesis
and sequencing has become routine, providing an ideal foundation to revisit the challenge of chloroplast genome
synthesis. I will join Ralph Bock, a world leader in chloroplast biotechnology, and combine the expertise of his
laboratory with my background in synthetic biology to generate the first Nicotiana tabacum plant with an artificial
chloroplast genome. I will base my strategy on creating and testing multiple different genome designs with varied
degrees of structural and genetic code alterations in respect to the parental genome to identify viable designs. I
will develop methods to assess those designs in parallel, permitting the rapid identification and fixing of
problematic regions in the synthetic genome. I will proceed to assemble the verified chloroplast genomes in a
hierarchical, parallelized manner from large pieces of synthetic DNA. Finally, I will characterize the phenotype of
the resulting plants, focusing on understanding the changes in transcription, translation and metabolism. The
methods developed in this work will provide insights into the design principles of organellar genomes, and provide
a platform to reinvent and remodel the genetic code of chloroplasts. This work will thereby establish strategies to
re-engineering complex cellular processes such as photosynthesis, or to design entirely new functions such as the
genetic isolation of synthetic DNA in plants.
remained elusive. The development of strategies to design, assemble and transform artificial chloroplast genomes
would signify a step-change in the field of plant synthetic biology. Only recently, genome scale DNA synthesis
and sequencing has become routine, providing an ideal foundation to revisit the challenge of chloroplast genome
synthesis. I will join Ralph Bock, a world leader in chloroplast biotechnology, and combine the expertise of his
laboratory with my background in synthetic biology to generate the first Nicotiana tabacum plant with an artificial
chloroplast genome. I will base my strategy on creating and testing multiple different genome designs with varied
degrees of structural and genetic code alterations in respect to the parental genome to identify viable designs. I
will develop methods to assess those designs in parallel, permitting the rapid identification and fixing of
problematic regions in the synthetic genome. I will proceed to assemble the verified chloroplast genomes in a
hierarchical, parallelized manner from large pieces of synthetic DNA. Finally, I will characterize the phenotype of
the resulting plants, focusing on understanding the changes in transcription, translation and metabolism. The
methods developed in this work will provide insights into the design principles of organellar genomes, and provide
a platform to reinvent and remodel the genetic code of chloroplasts. This work will thereby establish strategies to
re-engineering complex cellular processes such as photosynthesis, or to design entirely new functions such as the
genetic isolation of synthetic DNA in plants.
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More information & hyperlinks
| Web resources: | https://cordis.europa.eu/project/id/101149854 |
| Start date: | 01-05-2024 |
| End date: | 30-04-2026 |
| Total budget - Public funding: | - 173 847,00 Euro |
Cordis data
Original description
Despite significant progress in chloroplast biotechnology the de novo synthesis of a chloroplast genome hasremained elusive. The development of strategies to design, assemble and transform artificial chloroplast genomes
would signify a step-change in the field of plant synthetic biology. Only recently, genome scale DNA synthesis
and sequencing has become routine, providing an ideal foundation to revisit the challenge of chloroplast genome
synthesis. I will join Ralph Bock, a world leader in chloroplast biotechnology, and combine the expertise of his
laboratory with my background in synthetic biology to generate the first Nicotiana tabacum plant with an artificial
chloroplast genome. I will base my strategy on creating and testing multiple different genome designs with varied
degrees of structural and genetic code alterations in respect to the parental genome to identify viable designs. I
will develop methods to assess those designs in parallel, permitting the rapid identification and fixing of
problematic regions in the synthetic genome. I will proceed to assemble the verified chloroplast genomes in a
hierarchical, parallelized manner from large pieces of synthetic DNA. Finally, I will characterize the phenotype of
the resulting plants, focusing on understanding the changes in transcription, translation and metabolism. The
methods developed in this work will provide insights into the design principles of organellar genomes, and provide
a platform to reinvent and remodel the genetic code of chloroplasts. This work will thereby establish strategies to
re-engineering complex cellular processes such as photosynthesis, or to design entirely new functions such as the
genetic isolation of synthetic DNA in plants.
Status
SIGNEDCall topic
HORIZON-MSCA-2023-PF-01-01Update Date
17-11-2024
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