dc.creatorGriebenow, Stian
dc.creatorZuñiga-Feest, Alejandra
dc.creatorMuñoz, Gastón
dc.creatorCornejo, Pablo
dc.creatorKleinert, Aleysia
dc.creatorValentine, Alex
dc.date.accessioned2020-11-03T07:49:23Z
dc.date.accessioned2023-05-30T20:43:42Z
dc.date.available2020-11-03T07:49:23Z
dc.date.available2023-05-30T20:43:42Z
dc.date.created2020-11-03T07:49:23Z
dc.date.issued2019
dc.identifier0176-1617
dc.identifierhttp://dspace-uss.eastus.cloudapp.azure.com:8080/xmlui/handle/uss/337
dc.identifierhttp://dx.doi.org/10.1016/j.jplph.2019.153051
dc.identifier1618-1328
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/6445557
dc.description.abstractPhosphorus (P) is an essential mineral, required for crucial plant genetic, metabolic and signaling functions. Under P deficiency, normal physiological function can be disrupted, especially photosynthetic metabolism. The majority of photosynthetic studies of P stress has been on model organisms, and very little is known about plants that evolved on P deficient soils. Aspalathus linearis (Burm.f.) R.Dahlgren, a native to the Mediterranean ecosystem of South Africa was used to study the photosynthetic responses during short-term P limitation. A. linearis seedlings were cultured under glasshouse conditions and exposed to short-term P stress. Leaf photosynthetic gas exchange was coupled with metabolic analyses. In spite of the decline in leaf cellular Pi, the photosynthetic rates remained unchanged. These leaves also maintained their levels of light harvesting and reaction center pigments. The efficiency of the light reactions' utilization of ATP and NADPH increased during P-stress. Leaf glucose levels decreased during P-stress, while sucrose concentrations remained unaffected. These results show that during short-term P-stress, A. linearis can maintain its photosynthetic rates by altering the structural and functional components of the light reactions.
dc.languageen
dc.publisherFacultad de Medicina y Ciencia
dc.relationvol. 243
dc.relationIndexado en WOS
dc.rightshttps://creativecommons.org/licenses/by-nc-nd/3.0/cl/
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile
dc.sourceJournal of Plant Physiology
dc.subjectPHOSPHORUS
dc.subjectPHOTOSYNTHESIS
dc.subjectASPHALATHUS LINEARIS
dc.subjectNUTRIENT-POOR
dc.subjectSOILS
dc.subjectPHASEOLUS-VULGARIS
dc.subjectDEFICIENT SUNFLOWER
dc.subjectELECTRON-TRANSPORT
dc.subjectNITROGEN-FIXATION
dc.subjectPHOSPHORUS
dc.subjectPLANTS
dc.subjectCARBON
dc.subjectACQUISITION
dc.subjectNUTRITION
dc.subjectCO2
dc.titlePhotosynthetic metabolism during phosphate limitation in a legume from the Mediterranean-type Fynbos ecosystem
dc.typeArticle


Este ítem pertenece a la siguiente institución