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¹Department of Biology, Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong SAR, People's Republic of China.

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Summary

Researchers developed a method to deliver molecules into Crypthecodinium cohnii cells. Harvesting cells from specific plates reduced cell wall cellulose, improving macromolecule transfer for potential genetic engineering.

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Area of Science:

Cell biology
Microbiology
Biotechnology

Background:

Protoplast and spheroplast preparations are key techniques for introducing macromolecules into cells.
These methods are foundational for generating genetically engineered organisms.
Efficient macromolecule delivery is crucial for advancing synthetic biology and genetic manipulation.

Purpose of the Study:

To investigate a method for enhancing macromolecule delivery into Crypthecodinium cohnii cells.
To identify conditions that facilitate the transfer of molecules, such as oligonucleotides, into these cells.
To lay the groundwork for genetic engineering of Crypthecodinium cohnii.

Main Methods:

Harvesting Crypthecodinium cohnii cells from agar plates containing polyethylene glycol.
Assessing the cellulose content in the cortical layers of the prepared cells.
Delivering fluorescence-labeled oligonucleotides into the modified cells to evaluate transfer efficiency.

Main Results:

Cells harvested from polyethylene glycol-containing agar plates exhibited significantly reduced cellulose levels in their cortical layers.
This reduction in cortical cellulose facilitated the efficient delivery of fluorescence-labeled oligonucleotides into the Crypthecodinium cohnii cells.
The findings demonstrate a novel approach to improve cellular uptake in this species.

Conclusions:

Harvesting Crypthecodinium cohnii from specific polyethylene glycol-treated agar plates effectively reduces cortical cellulose.
This reduction in cellulose is a key factor in enhancing the successful delivery of macromolecules, like oligonucleotides, into the cells.
The described method offers a promising strategy for the genetic engineering of Crypthecodinium cohnii.