Abstract:This study aimed to investigate the physiological responses of Euglena gracilis (E. gracilis) when subjected to semicontinuous N-starvation (N−) for an extended period in open ponds. The results indicated that the growth rates of E. gracilis under the N− condition (11 ± 3.3 g m−2 d−1) were higher by 23% compared to the N-sufficient (N+, 8.9 ± 2.8 g m−2 d−1) condition. Furthermore, the paramylon content of E.gracilis was above 40% (w/w) of dry biomass in N− condition compared to N+ (7%) condition. Interestingly… Show more
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