Skip to main content

and
  1. No Access

    Article

    Ultrasound Prototype for Improving Germination and Seedling Growth in Tomato and Maize Seeds

    The optimization of germination rates and seedling performance is of utmost importance in the agricultural practices. Ultrasound treatment have emerged as a promising technique for seed treatment due to their ...

    António Nogueira, António Teixeira, Hernâni Gerós in Journal of Plant Growth Regulation (2024)

  2. Article

    Open Access

    Grapevine woody tissues accumulate stilbenoids following bud burst

    After bud burst, a transcriptional reprogramming of the shikimate and phenylpropanoid pathways occurs in grapevine canes resulting in the accumulation of stilbenoids like resveratrol and viniferin.

    Henrique Noronha, Angélica Silva, Virginie Garcia, Kévin Billet in Planta (2023)

  3. Article

    Open Access

    Role in Phenylpropanoid Biosynthesis of the Grapevine Plastidic Phosphoenolpyruvate Translocator VviPPT1

    Phosphoenolpyruvate (PEP), the main precursor of the shikimate pathway in the plastids, is imported from the cytosol through a PEP translocator (PPT). The final product of the shikimate pathway, chorismate, is...

    Angélica Silva, Henrique Noronha, Dorotea Ricci in Journal of Plant Growth Regulation (2023)

  4. No Access

    Article

    Early Activation of Antioxidant Responses in Ni-Stressed Tomato Cultivars Determines Their Resilience Under Co-exposure to Drought

    Throughout their life cycle, plants are subjected to a variety of environmental constraints, including abiotic stresses. The present study aimed at characterizing the responses of the two tomato cultivars Gold...

    Sofia Spormann, Cristiano Soares, Viviana Martins in Journal of Plant Growth Regulation (2023)

  5. No Access

    Article

    The grapevine CAX-interacting protein VvCXIP4 is exported from the nucleus to activate the tonoplast Ca2+/H+ exchanger VvCAX3

    The nuclear-localized CAX-interacting protein VvCXIP4 is exported to the cytosol after a Ca2+ pulse, to activate the tonoplast-localized Ca2+/H+ exchanger VvCAX3.

    Viviana Martins, Hernâni Gerós in Planta (2020)

  6. Article

    Open Access

    Correction to: A molecular perspective on starch metabolism in woody tissues

    The original article was corrected.

    Henrique Noronha, Angélica Silva, Zhanwu Dai, Philippe Gallusci, Adamo D. Rombolà in Planta (2018)

  7. Article

    Open Access

    A molecular perspective on starch metabolism in woody tissues

    The elucidation of the molecular mechanisms of starch synthesis and mobilization in perennial woody tissues is of the utmost scientific and agricultural importance.

    Henrique Noronha, Angélica Silva, Zhanwu Dai, Philippe Gallusci, Adamo D. Rombolà in Planta (2018)

  8. No Access

    Protocol

    Flow Cytometry and Fluorescence Microscopy as Tools for Structural and Functional Analysis of Vacuoles Isolated from Yeast and Plant Cells

    A series of optimized protocols to isolate vacuoles from both yeast and plant cells, and to characterize the purified organelles at a functional and structural level, are described. For this purpose, we took a...

    Jorge M. P. Rodrigues, Cátia S. Pereira, Natacha Fontes in Plant Vacuolar Trafficking (2018)

  9. No Access

    Protocol

    Isolation of Vacuoles from the Leaves of the Medicinal Plant Catharanthus roseus

    The isolation of vacuoles is an essential step to unravel the important and complex functions of this organelle in plant physiology. Here, we describe a method for the isolation of vacuoles from Catharanthus rose...

    Inês Carqueijeiro, Henrique Noronha, Sara Bettencourt in Plant Vacuolar Trafficking (2018)

  10. No Access

    Article

    The grapevine VvCAX3 is a cation/H+ exchanger involved in vacuolar Ca2+ homeostasis

    The grapevine VvCAX3 mediates calcium transport in the vacuole and is mostly expressed in green grape berries and upregulated by Ca 2+ ...

    Viviana Martins, Filipa Carneiro, Carlos Conde, Mariana Sottomayor, Hernâni Gerós in Planta (2017)

  11. No Access

    Article

    Low source–sink ratio reduces reserve starch in grapevine woody canes and modulates sugar transport and metabolism at transcriptional and enzyme activity levels

    Severe leaf removal decreases storage starch and sucrose in grapevine cv. Cabernet Sauvignon fruiting cuttings and modulates the activity of key enzymes and the expression of sugar transporter ...

    Angélica Silva, Henrique Noronha, Zhanwu Dai, Serge Delrot, Hernâni Gerós in Planta (2017)

  12. No Access

    Protocol

    Analytical and Fluorimetric Methods for the Characterization of the Transmembrane Transport of Specialized Metabolites in Plants

    The characterization of membrane transport of specialized metabolites is essential to understand their metabolic fluxes and to implement metabolic engineering strategies towards the production of increased lev...

    Inês Carqueijeiro, Viviana Martins in Biotechnology of Plant Secondary Metabolism (2016)

  13. No Access

    Article

    Identification and functional characterization of grapevine transporters that mediate glucose-6-phosphate uptake into plastids

    Two grapevine glucose-6-Pi plastidial transporters differently expressed in plant organs and in response to environmental and hormonal signals are characterized. They are involved in starch acc...

    Henrique Noronha, Carlos Conde, Serge Delrot, Hernâni Gerós in Planta (2015)

  14. No Access

    Article

    Copper homeostasis in grapevine: functional characterization of the Vitis vinifera copper transporter 1

    The Vitis vinifera copper transporter 1 is capable of self-interaction and mediates intracellular copper transport.

    Viviana Martins, Elias Bassil, Mohsen Hanana, Eduardo Blumwald, Hernâni Gerós in Planta (2014)

  15. No Access

    Article

    Role of Tonoplast Proton Pumps and Na+/H+ Antiport System in Salt Tolerance of Populus euphratica Oliv.

    Populus euphratica has been used as a plant model to study resistance against salt and osmotic stresses, with recent studies having characterized the tonoplast and the plasma membrane ATPases, and two Na+/H+ anti...

    Paulo Silva, Arnoldo R. Façanha, Rui M. Tavares in Journal of Plant Growth Regulation (2010)

  16. Article

    Open Access

    Purification and functional characterization of protoplasts and intact vacuoles from grape cells

    During grape berry ripening, the vacuoles accumulate water, sugars and secondary metabolites, causing great impact in plant productivity and wine quality. However, the molecular basis of these compartmentation...

    Natacha Fontes, Rui Silva, Céline Vignault, Fatma Lecourieux in BMC Research Notes (2010)

  17. No Access

    Chapter

    Isolation and Use of Protoplasts from Grapevine Tissues

    Highly pure, intact and functional protoplasts can be obtained from plant tissues, which are readily amenable for challenging with exogenous sugars, acids, analogues, transport inhibitors and drugs. Thus, they...

    Natacha Fontes, Hernâni Gerós in Methodologies and Results in Grapevine Res… (2010)