Scientists discover enzymes needed to synthesize plant cutin

December 17, 2023

Scientists wrote in the Nature Chemical Biology published a few days ago that they discovered the enzymes needed to synthesize cutin, which is a polymer found in the epidermis of plants. This discovery will have an impact on plant research and help agriculture.

The cuticle of the plant, or the epidermis, has the effect of maintaining the plant's own moisture, while also protecting the plant from outside attack. The main component of the stratum corneum is keratin, but people have never understood how keratin is produced. It was previously speculated that the GDSLs enzyme family may be involved in keratin synthesis, but the GDSLs enzyme family has many functions and functions, and it is also challenging to identify specific enzymes from them.

Jocelyn Rose et al. Used a mutant species of keratin synthesis defects in tomatoes to find this mysterious enzyme, and finally found that the enzyme actually belongs to a GDSLs enzyme family. The lack of this enzyme will lead to the accumulation of substrates, and the experimental results also show that this enzyme can synthesize short-chain ester molecules with the expected functions.

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