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Unlocking the potential of Euglena gracilis cultivated in piggery wastewater: biomass production, nutrient removal, and biostimulant potential in lettuce and tomato plants

2024-06Journal article Open access
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dc.contributor.authorButzke, Valéria Louzada Leal
dc.contributor.authorFerreira, Alice
dc.contributor.authorCorrêa, D. O.
dc.contributor.authorFurlan, Júnior Mendes
dc.contributor.authorGouveia, Luisa
dc.contributor.authorSchneider, Rosana C. S.
dc.contributor.authorCorbellini, Valeriano Antonio
dc.date.accessioned2024-08-28T10:48:17Z
dc.date.available2024-08-28T10:48:17Z
dc.date.issued2024-06
dc.description.abstractABSTRACT: Microalgae are increasingly recognized as a valuable resource for bolstering sustainability in agriculture. However, current research and patents primarily focus on Chlorella spp., Scenedesmus spp., and Spirulina spp., thus leaving the vast diversity of microalgae relatively unexplored for agricultural applications. Euglena gracilis (Euglenophyta) is a microalga renowned for its resilience to diverse environmental stressors and capability to produce a variety of bioactive metabolites. This study investigated the potential of cultivating E. gracilis in piggery wastewater for nutrient recycling and as a source of beneficial biomolecules, particularly for biostimulant use. Utilizing raw wastewater diluted to 25% (P25) and pre-treated wastewater with photo-Fenton (PF), the research found that E. gracilis exhibited elevated cell density, biomass concentration, and overall cell health in both wastewaters compared to a synthetic medium (BG11-NPK). This was due to its efficient removal of nutrients, especially ammoniacal-nitrogen and phosphate, resulting in a biomass rich in polyunsaturated fatty acids, amino acids, and paramylon content. The whole-cell biomass significantly enhanced the germination index of lettuce and tomato seeds compared to the water control. Additionally, it promoted cell expansion and root formation in cucumber cotyledons, exhibiting similarities to phytohormones such as gibberellin, cytokinin, and auxin. Furthermore, it is suggested that E. gracilis biomass contains molecules related to resistance to environmental stresses, particularly in tomatoes, given the enhancement in the seedling vigor index. E. gracilis exhibited remarkable adaptability to piggery wastewater, recycling nutrients and yielding biomass rich in bioactive molecules with potential as plant biostimulants. These findings significantly contribute to understanding E. gracilis's potential applications in agriculture and developing a circular bioeconomy.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationButzke, V.L.L., Ferreira, A., Corrêa, D., Furlan, J.M., Gouveia, L., Schneider, R. & Corbellini, V. (2024) Unlocking the potential of Euglena gracilis cultivated in piggery wastewater: biomass production, nutrient removal, and biostimulant potential in lettuce and tomato plants. In: Journal of Applied Phycology, 2024 [Early Access]. https://doi.org/10.1007/s10811-024-03286-ypt_PT
dc.identifier.doi10.1007/s10811-024-03286-ypt_PT
dc.identifier.eissn1573-5176
dc.identifier.issn0921-8971
dc.identifier.urihttp://hdl.handle.net/10400.9/4324
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationBiomass and Bioenergy Research Infrastructure
dc.relation.publisherversionhttps://doi.org/10.1007/s10811-024-03286-ypt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMicroalgaept_PT
dc.subjectPiggery effluentpt_PT
dc.subjectBiostimulantpt_PT
dc.subjectSustainable agriculturept_PT
dc.subjectCircular economypt_PT
dc.titleUnlocking the potential of Euglena gracilis cultivated in piggery wastewater: biomass production, nutrient removal, and biostimulant potential in lettuce and tomato plantspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleBiomass and Bioenergy Research Infrastructure
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9444 - RNIIIE/PINFRA%2F22059%2F2016/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBD%2F144122%2F2019/PT
oaire.citation.titleJournal of Applied Phycologypt_PT
oaire.fundingStream9444 - RNIIIE
oaire.fundingStreamOE
person.familyNameL. L. Butzke
person.familyNameFerreira
person.familyNamede Oliveira Corrêa
person.familyNameMendes Furlan
person.familyNameGouveia
person.familyNameSchneider
person.familyNameCorbellini
person.givenNameValéria
person.givenNameAlice
person.givenNameDiego
person.givenNameJúnior
person.givenNameLuisa
person.givenNameRosana
person.givenNameValeriano Antonio
person.identifierH-4046-2011
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person.identifier.ciencia-id581B-924A-84DD
person.identifier.orcid0000-0002-4392-9165
person.identifier.orcid0000-0002-2397-3943
person.identifier.orcid0000-0003-1682-5501
person.identifier.orcid0000-0003-0457-0687
person.identifier.orcid0000-0003-0196-6360
person.identifier.orcid0000-0003-1400-8401
person.identifier.orcid0000-0002-8052-5354
person.identifier.ridE-6373-2015
person.identifier.ridA-1085-2013
person.identifier.ridF-6641-2019
person.identifier.scopus-author-id55919400200
person.identifier.scopus-author-id7004135834
person.identifier.scopus-author-id9939496700
person.identifier.scopus-author-id6507028077
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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