Novel strain having good polyhydroxyalkanoate productivity under high salt conditions, and use thereof

The novel Halomonas litopenaei YBW-3-4-1 strain addresses the challenge of high polyhydroxyalkanoate productivity under high salt conditions, enabling efficient large-scale production of biodegradable plastics for industrial applications.

WO2026089428A1 Publication Date: 2026-04-30IND ACADEMIC COOP FOUND YONSEI UNIV
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Patent Information

Application Number
PCT/KR2025/016678
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-07-30
Filing Date
2025-10-21
Publication Date
2026-04-30

AI Technical Summary

Technical Problem

Existing biodegradable plastics production technologies face challenges in achieving high polyhydroxyalkanoate productivity under high salt conditions, limiting their applicability and scalability for industrial use.

Method used

A novel Halomonas litopenaei YBW-3-4-1 strain with enhanced polyhydroxyalkanoate productivity is developed, capable of producing polyhydroxyalkanoates at high concentrations and content under high salinity conditions, suitable for large-scale biodegradable plastic production.

Benefits of technology

The strain exhibits stable growth and high PHA accumulation even in high-salinity environments, making it suitable for commercial-scale production of biodegradable plastics, applicable in eco-friendly packaging materials and medical polymer materials.

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Abstract

The present invention relates to a novel Halomonas lithopenaei strain having good polyhydroxyalkanoate productivity under high salt conditions, and use thereof, a novel Halomonas lithopenaei YBW-3-4-1 strain having been selected, from among Halomonas sp. strains differing as to whether polyhydroxyalkanoate is produced, that produces polyhydroxyalkanoate at notably high volume and concentration under high salt conditions, the strain can be used to produce polyhydroxyalkanoate.
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