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  1. No Access

    Article

    Phytosterol metabolism in plant positive-strand RNA virus replication

    The genome of most plant viruses consists of a single positive-strand of RNA (+ ssRNA). Successful replication of these viruses is fully dependent on the endomembrane system of the infected cells, which experi...

    Teresa Altabella, Karla Ramirez-Estrada, Albert Ferrer in Plant Cell Reports (2022)

  2. Article

    Open Access

    Structural and functional analysis of tomato sterol C22 desaturase

    Sterols are structural and functional components of eukaryotic cell membranes. Plants produce a complex mixture of sterols, among which β-sitosterol, stigmasterol, campesterol, and cholesterol in some Solanace...

    Laura Gutiérrez-García, Montserrat Arró, Teresa Altabella… in BMC Plant Biology (2021)

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  3. No Access

    Chapter

    Strategies and Methodologies for the Co-expression of Multiple Proteins in Plants

    The first transgenes were introduced in a plant genome more than 30 years ago. Since then, the capabilities of the plant scientific community to engineer the genome of plants have progressed at an unparalleled...

    Albert Ferrer, Monserrat Arró, David Manzano… in Advanced Technologies for Protein Complex … (2016)

  4. No Access

    Article

    The roles of polyamines during the lifespan of plants: from development to stress

    Compelling evidence indicates that free polyamines (PAs) (mainly putrescine, spermidine, spermine, and its isomer thermospermine), some PA conjugates to hydroxycinnamic acids, and the products of PA oxidation ...

    Antonio F. Tiburcio, Teresa Altabella, Marta Bitrián, Rubén Alcázar in Planta (2014)

  5. Article

    Open Access

    Copper-containing amine oxidases contribute to terminal polyamine oxidation in peroxisomes and apoplast of Arabidopsis thaliana

    Polyamines (PAs) are oxidatively deaminated at their primary or secondary amino-groups by copper-containing amine oxidases (CuAOs) or FAD-dependent amine oxidases (PAOs), respectively. Both enzymes have long b...

    Joan Planas-Portell, Marta Gallart, Antonio F Tiburcio… in BMC Plant Biology (2013)

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  6. No Access

    Article

    Polyamines: molecules with regulatory functions in plant abiotic stress tolerance

    Early studies on plant polyamine research pointed to their involvement in responses to different environmental stresses. During the last few years, genetic, transcriptomic and metabolomic approaches have unrav...

    Rubén Alcázar, Teresa Altabella, Francisco Marco, Cristina Bortolotti… in Planta (2010)

  7. No Access

    Article

    Involvement of polyamines in plant response to abiotic stress

    Environmental stresses are the major cause of crop loss worldwide. Polyamines are involved in plant stress responses. However, the precise role(s) of polyamine metabolism in these processes remain ill-defined....

    Rubén Alcázar, Francisco Marco, Juan C. Cuevas, Macarena Patron… in Biotechnology Letters (2006)

  8. No Access

    Chapter

    Integrated Molecular Analysis of the Polyamine Metabolic Pathway in Abiotic Stress Signalling

    Land plants experience constant fluctuations in the availability of water, thus they have evolved adaptive features to mine and absorb water through the root system, to prevent excessive transpiration water lo...

    Alejandro Ferrando, Pedro Carrasco… in Nitrogen Acquisition and Assimilation in H… (2004)

  9. No Access

    Article

    Effects of the growth regulator 4PU-30 on growth, K+ content, and alkaloid production in tobacco callus cultures

    Growth, K+ content, and alkaloid production were compared in nonorganogenetic callus cultures ofNicotiana tabacum cv. Burley 21 grown at 25°C in the dark on two different media: a basal medium with 1 μM α-naphtha...

    Teresa Piñol, Javier Palazon, Teresa Altabella… in Journal of Plant Growth Regulation (1987)