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Definition about Euglena sp. For algae? 


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Euglena sp. is a green microalgae that thrives in acidic environments, such as pH 2.5-3.5 . It is a potential source of biodiesel due to its lipid production capabilities . The growth of Euglena sp. is influenced by pH levels, with optimal growth, biomass, and metabolite production observed at pH 3.5 . This microalga has been extensively studied for its gravity-dependent responses and is considered a promising candidate for biological life support systems in space missions due to its oxygen production, carbon dioxide uptake, and nutritional value . Additionally, optimizing Euglena sp. cultivation with oxidative stress treatments like salinity can enhance lipid production for biodiesel, as well as increase the content of beneficial pigments like carotenoids and chlorophyll .

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Euglena sp. is a freshwater microalga known for producing lipids, chlorophyll, and carotenoids. It thrives under salinity stress and can be harvested efficiently using bioflocculation with Skeletonema sp.
Euglena gracilis is a versatile flagellate algae used in space research due to its gravity-dependent responses, photosynthesis for oxygen, and nutritional value, serving as a potential candidate for various applications.
Euglena sp. is a freshwater microalgae that shows increased growth and metabolite production, such as lipids, chlorophyll, and carotenoids, under optimal salinity levels, beneficial for biodiesel and health applications.
Euglena sp. is a microalga studied for growth under acidic pH conditions, impacting biomass and primary metabolites like carbohydrates, proteins, and lipids, with optimal growth at pH 3.5.
Euglena sp. is a green microalgae thriving in acidic conditions, known for producing lipids suitable for biofuel synthesis. It enhances metabolite production when combined with Glagah strain consortia.

Related Questions

What factors influence the yield of euglena gracilis during fed batch cultivation?4 answersThe yield of Euglena gracilis during fed-batch cultivation is influenced by various factors. Factors such as feeding a mixed nitrogen source and a high-concentration carbon source can greatly improve fermentation levels and biomass accumulation. Additionally, altering the concentration of technical glycerol in mixotrophic conditions can enhance lipid yield significantly, with more than three times higher lipid production compared to photoautotrophic cultivation. Furthermore, carbon amendment stimulates phenolic compound production by E. gracilis, with different carbon sources affecting the production of phenolic compounds during different growth phases. Moreover, the fatty acid composition of E. gracilis lipids is influenced by cultivation conditions, media compositions, and nitrogen concentrations, impacting lipid mixtures and the n3/n6-PUFA ratio. Lastly, the reuse of purified cultivation water affects the growth of E. gracilis, with inhibitors like humic acid being secreted and removed efficiently through treatments like activated carbon or UV/H2O2/O3, impacting biomass production significantly.
How does salt stress affect the growth and survival of Euglena gracilis?5 answersSalt stress negatively impacts the growth and morphology of Euglena gracilis. The stress leads to a decrease in cell growth and chlorophyll content, affecting the photosynthetic performance of the microorganism. However, despite these challenges, salt stress does not significantly alter the photosynthetic activity of Euglena gracilis, as indicated by stable chlorophyll fluorescence yield and electron transport rates. Interestingly, under salt stress conditions, there is an increase in the carotenoid-to-chlorophyll ratio and the accumulation of paramylon, a storage polysaccharide, in Euglena gracilis cells. These adaptations help the microorganism cope with salt stress and maintain essential cellular processes, showcasing its resilience and ability to thrive even under challenging environmental conditions.
What’s Oscilltoria sp. of algae?5 answers**Oscillatoria sp.** is a type of algae commonly found in both freshwater and marine environments. It is known for its pink pigment, which exhibits physicochemical properties similar to phycoerythrin found in red algae. The genus Oscillatoria includes various taxa with distinct morphologies, such as trichomes that are straight, not attenuated, and have rounded or obtuse apical cells. The genetic diversity within Oscillatoria complicates reliable identification due to its simple morphology overlaying high genetic heterogeneity. Recent studies have led to the description of new genera, like Koinonema, to better reflect the genetic diversity and phylogenetic relationships within the Oscillatoriales order. Therefore, Oscillatoria sp. represents a diverse group of algae with unique characteristics and genetic variations.
What is mean if Cyanophyta and Chlorophyta and Euglenophyta present in a water ?4 answersCyanophyta, Chlorophyta, and Euglenophyta are all types of algae that can be found in water. The presence of these algae in water can indicate different environmental conditions and water quality. Cyanophyta, also known as blue-green algae or cyanobacteria, are ancient photosynthetic prokaryotes that can thrive in various habitats, including freshwater reservoirs. They are often used as bioindicators to assess water quality and can form algal blooms, which may be toxic or non-toxic. Chlorophyta, also known as green algae, are a diverse group of algae that can occur in different water bodies, including polluted water. They are commonly used as indicators of organic pollution in water. Euglenophyta, another group of algae, are also indicators of organic pollution and can be found in water polluted by organic matter. The presence of these algae in water suggests specific environmental conditions and can be used to guide water quality monitoring and management.
How euglena reacting to stress factors?5 answersEuglena gracilis, a green microalga, exhibits various metabolic responses to stress factors such as heavy metals, antibiotics, and nutrient deprivation. These responses include changes in cell biomass, pigments, lipids, and carbohydrate paramylon. The presence of exogenous abscisic acid (ABA) or cytokinins (CKs) enhances metal uptake efficiency and alleviates metal toxicity in E. gracilis by regulating endogenous CKs and gibberellins (GAs) levels. Euglena flagellates, including E. gracilis, have been used as model species to monitor the adverse impacts of chemical pollution in aquatic ecosystems due to their rapid responses to external stimuli. Mercury stress leads to physiochemical changes in E. gracilis, resulting in a refinement of metabolites produced and the upregulation of transcripts and metabolites involved in stress responses and oxidative stress mitigation. Gravitactic sign change in E. gracilis, a response to abiotic stress factors, is triggered by reactive oxygen species (ROS), particularly hydrogen peroxide, which are likely produced by cytochrome-c-oxidase in the mitochondria.
What are CYANOBACTERIA?4 answersCyanobacteria are photosynthetic prokaryotes that can be found in various habitats, including water bodies, soil, and extreme environments. They are also known as blue-green algae. Cyanobacteria have the ability to fix atmospheric nitrogen and improve soil properties, making them useful as biofertilizers in agriculture. They can promote plant growth by providing nutrients and producing beneficial compounds in the plant rhizosphere. Cyanobacteria are also important in water quality management as they act as bioindicators, helping to assess the impact of anthropogenic pressure on ecosystems. Additionally, cyanobacteria have the capacity to produce cyanotoxins, which are toxic secondary metabolites that can be harmful to organisms when released into surface waters. Overall, cyanobacteria play diverse roles in nature, from their contribution to the nitrogen cycle and soil improvement to their potential as bioindicators and producers of cyanotoxins.

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