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New Lipid-Producing, Cold-Tolerant Yellow-Green Alga Isolated from the Rocky Mountains of Colorado

机译:从科罗拉多洛矶山脉分离出的新型脂质生产,耐寒的黄绿色藻类

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摘要

A new strain of yellow-green algae (Xanthophyceae, Heterokonta), tentatively named Hetero-coccus sp. DN1 (UTEX accession number UTEX ZZ885), was discovered among snow fields in the Rocky Mountains. Axenic cultures of H. sp. DN1 were isolated and their cellular morphology, growth, and composition of lipids were characterized. H. sp. DN1 was found to grow at temperatures approaching freezing to accumulate large intracellular stores of lipids. H. sp. DN1 produces the highest quantity of lipids when grown undisturbed with high light in low temperatures Of particular interest was the accumulation of eicosapenlaenoic acid, known to be important for human nutrition, and palmitoleic acid, known to improve biodiesel feedstock properties.
机译:一种新的黄绿藻菌株(Xanthophyceae,Heterokonta),暂定名为Hetero-coccus sp。在落基山脉的雪原中发现了DN1(UTEX登录号UTEX ZZ885)。幽门螺杆菌的无菌培养。分离DN1并表征其细胞形态,生长和脂质组成。 H.sp.发现DN1在接近冷冻的温度下生长,以积累大量的脂质在细胞内储存。 H.sp. DN1在低温下不受强光照射时会产生最高量的脂质。尤为重要的是二十碳二烯酸(对人体营养很重要)和棕榈油酸(可改善生物柴油原料的性能)的积累。

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