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A new cyanobacterial species with a protective effect on lettuce grown under salinity stress: envisaging sustainable agriculture practices

2022Journal article Open access
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dc.contributor.authorBrito, Ângela
dc.contributor.authorRocha, Mariana
dc.contributor.authorKaštovský, Jan
dc.contributor.authorVieira, Jorge
dc.contributor.authorVieira, Cristina P.
dc.contributor.authorRamos, Vitor
dc.contributor.authorCorreia, Manuel
dc.contributor.authorSantos, Marina
dc.contributor.authorMota, Rita
dc.contributor.authorRoque, Jéssica
dc.contributor.authorPissarra, João
dc.contributor.authorMelo, Paula
dc.contributor.authorTamagnini, Paula
dc.date.accessioned2022-02-21T15:52:13Z
dc.date.available2022-02-21T15:52:13Z
dc.date.issued2022
dc.description.abstractIn this work, a new terrestrial cyanobacterial species, Oculatella lusitanica LEGE 161147, was isolated and characterized using a polyphasic approach. Morphologically, O. lusitanica shares characteristics with different Oculatella species (mainly with O. crustae-formantes), lacking distinctive features. However, the phylogeny based on the 16S rRNA gene sequence and the 16S-23S ITS secondary structures support the establishment of this isolate as a new species. O. lusitanica is placed within a clade mainly composed by other Oculatella terrestrial strains; however, it forms a separate lineage. In addition, our species differs from the other Oculatella described so far by lacking the V2 helix within the ITS region. Since cyanobacteria are known to release compounds that promote plant growth and/or increase their tolerance to stresses, the effect of this newly described cyanobacterial species on Lactuca sativa (lettuce) plants development and salinity stress resistance was evaluated. Our results showed that, although the cyanobacterium had no impact on plant growth under the conditions tested, it was able to mitigate the deleterious salinity stress effects on plant size, root and aerial part fresh weight, by eliciting the non-enzymatic antioxidant response system (proline, H2O2 and reduced glutathione). In addition, the microorganism was able to induce a priming effect on lettuce plants by stimulating defensive mechanisms under non-stress conditions, and enhances the activity of nitrogen metabolism-related enzymes glutamate dehydrogenase, glutamine synthetase and nitrate reductase. These results indicate that this native terrestrial cyanobacterial species could be employed as a tool in sustainable agricultural practices.pt_PT
dc.description.sponsorshipThis work was funded by National Funds through FCT—Fundação para a Ciência e a Tecnologia, I.P., under the projects PCIF/RPG/0077/2017, UIDB/04293/2020, UIDP/04293/2020, UIDB/05748/2020 and UIDP/05748/2020. This work was also funded by the FCT grant SFRH/BPD/115571/2016 (to AB) and LTAUSA 18008 (to JK)pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBrito, Ângela; Rocha, Mariana; Kaštovský, Jan; Vieira, Jorge; Vieira, Cristina P.; Ramos, Vitor; Correia, Manuel; Santos, Marina; Mota, Rita; Roque, Jéssica; Pissarra, João; Melo, Paula; Tamagnini, Paula (2022). A new cyanobacterial species with a protective effect on lettuce grown under salinity stress: envisaging sustainable agriculture practices. Journal of Applied Phycology. ISSN 0921-8971. p. 1-14pt_PT
dc.identifier.doi10.1007/s10811-022-02692-4pt_PT
dc.identifier.issn0921-8971
dc.identifier.urihttp://hdl.handle.net/10198/25087
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationInstitute for Research and Innovation in Health
dc.relationInstitute for Research and Innovation in Health
dc.relationGreenUPorto - Research Center in Sustainable Agri-food Production
dc.relationGreenUPorto - Research Center in Sustainable Agri-food Production
dc.relationBioactive compounds from native marine cyanobacteria: A genomic and metabolomic approach
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBiostimulantspt_PT
dc.subjectCyanobacteriapt_PT
dc.subjectLettucept_PT
dc.subjectOculatella lusitanicapt_PT
dc.subjectPhylogenypt_PT
dc.subjectSalinity stresspt_PT
dc.titleA new cyanobacterial species with a protective effect on lettuce grown under salinity stress: envisaging sustainable agriculture practicespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleInstitute for Research and Innovation in Health
oaire.awardTitleInstitute for Research and Innovation in Health
oaire.awardTitleGreenUPorto - Research Center in Sustainable Agri-food Production
oaire.awardTitleGreenUPorto - Research Center in Sustainable Agri-food Production
oaire.awardTitleBioactive compounds from native marine cyanobacteria: A genomic and metabolomic approach
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PCIF%2FRPG%2F0077%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04293%2F2020/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05748%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F05748%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F115571%2F2016/PT
oaire.citation.titleJournal of Applied Phycologypt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStream6817 - DCRRNI ID
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person.familyNameRamos
person.givenNameVitor
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rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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