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http://hdl.handle.net/10773/23794
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DC Field | Value | Language |
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dc.contributor.author | Dias, Maria Celeste | pt |
dc.contributor.author | Monteiro, Cristina | pt |
dc.contributor.author | Moutinho-Pereira, José | pt |
dc.contributor.author | Correia, Carlos | pt |
dc.contributor.author | Gonçalves, Berta | pt |
dc.contributor.author | Santos, Conceição | pt |
dc.date.accessioned | 2018-07-10T13:54:46Z | - |
dc.date.issued | 2013 | - |
dc.identifier.issn | 0137-5881 | pt |
dc.identifier.uri | http://hdl.handle.net/10773/23794 | - |
dc.description.abstract | In this article we discuss and update some of the effects of Cd toxicity on the photosynthetic apparatus in a model crop Lactuca sativa. Seeds of L. sativa were germinated in solutions with 0, 1, 10 and 50 μM of Cd(NO3)2 and then transferred to a hydroponic culture medium. After 28 days, the effects of Cd on the photosynthetic apparatus of lettuce were analysed. Exposure of lettuce to 1 μM Cd(NO3)2 affected already plant growth (dry biomass), but, did not induce serious damages in the photosynthetic apparatus. However, increasing concentrations of this metal to 10 and 50 μM promoted a strong reduction of the maximum photochemical efficiency of PSII and an impairment of net CO2 assimilation rate, putatively due to Rubisco activity decrease. This ultimately results in a strong inhibition of plant growth. Nutrient uptake and carbohydrate assimilation were also severely affected by Cd. | pt |
dc.language.iso | eng | pt |
dc.publisher | Springer | pt |
dc.relation | info:eu-repo/grantAgreement/FCT/5876-PPCDTI/112804/PT | pt |
dc.relation | info:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F41700%2F2007/PT | pt |
dc.relation | info:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F48204%2F2008/PT | pt |
dc.rights | restrictedAccess | por |
dc.subject | Cadmium | pt |
dc.subject | Nutrients | pt |
dc.subject | Photosynthesis | pt |
dc.subject | Pigments | pt |
dc.subject | Rubisco | pt |
dc.title | Cadmium toxicity affects photosynthesis and plant growth at different levels | pt |
dc.type | article | pt |
dc.peerreviewed | yes | pt |
ua.distribution | international | pt |
degois.publication.firstPage | 1281 | pt |
degois.publication.issue | 4 | |
degois.publication.lastPage | 1289 | pt |
degois.publication.title | Acta Physiologiae Plantarum | pt |
degois.publication.volume | 35 | pt |
dc.date.embargo | 10000-01-01 | - |
dc.identifier.doi | 10.1007/s11738-012-1167-8 | pt |
Appears in Collections: | CESAM - Artigos DBio - Artigos |
Files in This Item:
File | Description | Size | Format | |
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Dias et al. - 2013 - Cadmium toxicity affects photosynthesis and plant .pdf | 385.83 kB | Adobe PDF |
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