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Responses of Conocarpus lancifolius to environmental stress: a case study in the semi-arid land of Kuwait

Authors: Redha A; P Suleman; R Al-Hasan; M Afzal;

Responses of Conocarpus lancifolius to environmental stress: a case study in the semi-arid land of Kuwait

Abstract

Conocarpus lancifolius Engl. crece naturalmente en Djibouti, Somalia y Este de Africa, y Sur de Asia. La especie fue introducida en Kuwait, donde esta expuesta a varios estreses: contaminacion ambiental, salinidad, alta temperatura y condiciones climaticas adversas. Estas condiciones prevalecen en este ambiente semiarido. En este estudio, se investigaron los efectos de la salinidad (2, 6 y 10%), temperatura (20, 30 y 40 °C), polietilenglicol (10, 30 y 60%) y sequia en C. lancifolius . La acumulacion de proline (Pro) (5,5 ± 0,03 μ g/g de peso seco; p≤0,05-0,005), proteina (16,47 ± 0,052 mg/g; p≤0,001), aminoacidos libres (10,92 ± 0,082 mg/g; p≤0,006) y lipidos (116,05 ± 2,17 μ g/g; p≤0,05) se midieron en plantas regadas con 60% de polietilenglicol (PEG) por 6 dias. Incrementos similares en la acumulacion de osmolitos se observaron en plantas expuestas a estreses por deficiencia hidrica, NaCl, y temperatura. La acumula - cion de osmolitos se correlaciono con la actividad fotosintetica y la tasa de transporte de electrones. Se detectaron quince fosfolipidos diferentes en extractos vegetales por TLC, y se identificaron seis aci - dos grasos principales por analisis GC/MS. Al 4o dia, el acido graso omega-3, acido linoleico, fue el acido graso predominante (61,32%) en las plantas tratadas con PEG al 10%. La alta concentracion de este acido graso omega-3 podria ayudar a C. lancifolius a adaptarse a las condiciones semiaridas en el Estado de Kuwait. Las implicancias de este estudio podrian destacar la sustentabilidad de C. lancifolius

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Top 10%
Average
Average
gold