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Ke-Xin Sun

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Open access Sep 2026

Engineering yeast surface display of cutinase from Paraphoma chrysanthemicola for polyester plastic biodegradation.

A yeast surface display system in Pichia pastoris GS115 was developed for cutinase PcCUT7 obtained from Paraphoma chrysanthemicola. GCW61, a glycosylphosphatidylinositol-modified cell wall protein, was used as the anchoring module. PcCUT7 was genetically fused to GCW61 and successfully displayed on the yeast cell surfa...

Li Ma, Ke-Xin Sun, Run Cheng et al. · 0 citations
Open access Sep 2026

Structure-guided engineering of a gatekeeper residue enhances polylactic acid depolymerization by a cutinase from Papiliotrema nemorosa

Enzymatic recycling of polylactic acid (PLA) is constrained by limited enzyme–polymer interactions, particularly insufficient adsorption onto highly hydrophobic solid surfaces. In this study, a cutinase-like enzyme from Papiliotrema nemorosa was heterologously expressed and characterized. Structural analysis suggested...

Cheng Lin, Chun-Wang Li, Han-Zhong Liang et al. · 0 citations

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