混合培养对破囊壶菌中Aurantiochytrium sp.生物量的影响

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中图分类号：Q939.97 文献标志码：A 文章编号：1004—6755（2025）08—0028-04

Abstract：This study investigated co- culture strategies for enhancing biomass production in the oleaginous marine protist Aurantiochytrium sp. S3D， comparing algal- protist （Chlorella sp.）and protist一protist （Talaromyces sp. and A . sp. S3E） systems under varying light conditions and nutrient sources. While light significantly stimulated S3D growth （ ΔP<0.01 ），algal co-culture showed no synergistic effects. Optimal biomass yields were achieved in glycerol/YE medium with S3D一 Tδ sp （11.41±0.25） 1 g/L ，and S3D-S3E coculture at 1：4 ratio in glucose/YE medium （12.62±0.67）g/L .These findings demonstrate that conspecific co一 culture with organic nitrogen maximizes S3D productivity.

Key words： Thraustochytrid;microalgae;mixed culture; heterotrophic protists

破囊壶菌（Thraustochytrid）是一类异养原生生物[1]，主要包含Thraustochytrium、Schizochytri-um、Aurantiochytrium、Botryochytrium、Japonochytrium、Monorhizochytrium、Parietichytrium、Sicyoi-dochytrium等[2]。（剩余6167字）