Selection method for microorganisms with high sugar yield

JP2026032430A5Pending Publication Date: 2026-05-25NIPPON TELEGRAPH & TELEPHONE CORP +1
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
NIPPON TELEGRAPH & TELEPHONE CORP
Filing Date
2024-08-13
Publication Date
2026-05-25

AI Technical Summary

Technical Problem

Existing methods for obtaining microorganisms with high sugar yields are inefficient, requiring skilled techniques, special management, and lack a high-throughput method for measuring sugar yield, especially in the context of using waste sugar sources like molasses and cellulosic biomass.

Method used

A method involving culturing microorganisms in a medium with low available sugar concentration (0.2 to 1.0 g/L) and selecting those with higher microbial densities, which are then propagated to establish strains with high sugar yields, using techniques that do not require special management or skilled handling.

Benefits of technology

Enables the efficient selection of microorganisms with high sugar yields, particularly algae strains, suitable for biomass production with low environmental impact, without the need for complex techniques or containment measures.

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Abstract

A method for selecting microorganisms with high sugar yields is provided. [Solution] A method for selecting microorganisms with high sugar yields, comprising the step of preparing a plurality of microbial cultures, each cultured in a medium with an available sugar concentration of 0.2 to 1.0 g / L, wherein the microbial culture with a higher microbial density than other microbial cultures prepared in the step of preparing the plurality of microbial cultures contains a microorganism with high sugar yields.
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