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Photosynthesis under drought and salt stress: regulation mechanisms from whole plant to cell.
It is becoming apparent that plants perceive and respond to drought and salt stresses by quickly altering gene expression in parallel with physiological and biochemical alterations; this occurs even under mild to moderate stress conditions.
How plants cope with water stress in the field. Photosynthesis and growth.
Differences among species that can be traced to different capacities for water acquisition, rather than to differences in metabolism at a given water status, are described.
Photosynthesis and drought: can we make metabolic connections from available data?
This analysis shows the interplay of sugars, reactive oxygen species (ROS), and hormones with photosynthetic responses to drought, involving many metabolic events, and highlights how fragmented and often non-comparable the results are.
Sugar metabolism in developing lupin seeds is affected by a short-term water deficit.
- C. Pinheiro, A. Rodrigues, Isabel Saraiva de Carvalho, M. M. Chaves, C. Ricardo
- Medicine, BiologyJournal of experimental botany
- 1 October 2005
Despite the several metabolic changes the final seed composition was largely unaltered by WD except for approximately 60% increase in stachyose and raffinose (raffinose family oligosaccharides).
Diversity of seed mineral composition of Phaseolus vulgaris L. germplasm
The high mineral variability observed in the seeds of this common bean collection could be useful for the selection of cultivars with higher nutrition value and for the improvement of seed nutrition quality traits.
The Lupinus albus class-III chitinase gene, IF3, is constitutively expressed in vegetative organs and developing seeds
- A. Regalado, C. Pinheiro, S. Vidal, I. Chaves, C. Ricardo, C. Rodrigues-Pousada
- Medicine, BiologyPlanta
It is suggested that one role of the IF3 chitinase could be in the defense of the plant against fungal infection, though the results do not exclude other functions for this protein.
Impact of irrigation regime on berry development and flavonoids composition in Aragonez (Syn. Tempranillo) grapevine
The present study shows that climatic conditions, namely temperature, play an important role in the ripening process of grape berries, and supports the crucial role of irrigation in maintaining the cluster microclimate in an optimum range, thus enabling a balanced synthesis of the compounds relevant to wine quality.
The analysis of Lupinus albus root proteome revealed cytoskeleton altered features due to long-term boron deficiency.
- M. Alves, S. Moes, P. Jenö, C. Pinheiro, J. Passarinho, C. Ricardo
- Biology, MedicineJournal of proteomics
- 12 August 2011
The adaptive responses of Lupinus albus roots to long-term B deficiency are analyzed, and detected changes in cytoskeletal associated proteins indicate altered cytOSkeletal biosynthesis and suggest that B may have an important contribution in this process.
Analysis of carbohydrates in Lupinus albus stems on imposition of water deficit, using porous graphitic carbon liquid chromatography-electrospray ionization mass spectrometry.
- C. António, C. Pinheiro, M. M. Chaves, C. Ricardo, M. F. Ortuño, J. Thomas-Oates
- Chemistry, MedicineJournal of chromatography. A
- 11 April 2008
A negative ion mode online LC-ESI-MS method is sensitive and allowed us to detect even small alterations in carbohydrate levels in L. albus stem tissues that have been subjected to early and severe water deficit conditions, followed by a rewatering period.
Effect of drought and rewatering on the metabolism of Lupinus albus organs.
Alterations in the metabolism of Lupinus albus organs that result from and following a period of severe water deficit (WD) are described, since proline (a stress related metabolite) disappeared rapidly while sugars and asparagine reached the initial pattern more slowly, particularly in the stem.