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Browsing by Author "Ahrazem, Oussama"

Now showing items 1-9 of 9

Apical dominance in saffron and the involvement of the branching enzymes CCD7 and CCD8 in the control of bud sprouting

Rubio Moraga, Angela; Ahrazem, Oussama; Pérez Clemente, Rosa María; Gomez Cadenas, Aurelio; Yoneyama, Koichi; López Ráez, Juan Antonio; Molina Romero, Rosa Victoria; Gómez Gómez, Lourdes (BioMed Central, 2014-06-19)

[EN] Background: In saffron (Crocus sativus), new corms develop at the base of every shoot developed from the maternal corm, a globular underground storage stem. Since the degree of bud sprouts influences the number ...
Crocins with high levels of sugar conjugation contribute to the yellow colours of early-spring flowering

Rubio-Moraga, A.; Ahrazem, Oussama; Rambla Nebot, Jose Luis; Granell Richart, Antonio; Gómez Gómez, Lourdes (Public Library of Science, 2013-09)

Crocus sativus is the source of saffron spice, the processed stigma which accumulates glucosylated apocarotenoids known as crocins. Crocins are found in the stigmas of other Crocuses, determining the colourations observed ...
Efficient production of saffron crocins and picrocrocin in Nicotiana benthamiana using a virus-driven system

Martí, Maricarmen; Diretto, Gianfranco; Aragones, V; Frusciante, Sarah; Ahrazem, Oussama; Gómez-Gómez, Lourdes; Daròs, José-Antonio (Elsevier, 2020-09)

[EN] Crocins and picrocrocin are glycosylated apocarotenoids responsible, respectively, for the color and the unique taste of the saffron spice, known as red gold due to its high price. Several studies have also shown the ...
Evolutionarily distinct carotenoid cleavage dioxygenases are responsible for crocetin production in Buddleja davidii

Ahrazem, Oussama; Diretto, G.; Argandoña, J.; Rubio-Moraga, Angela; Julve, J.M.; Orzáez Calatayud, Diego Vicente; GRANELL RICHART, ANTONIO; Gómez-Gómez, Lourdes (Oxford University Press, 2017-10-03)

[EN] Crocetin, one of the few colored apocarotenoids known in nature, is present in flowers and fruits and has long been used medicinally and as a colorant. Saffron is the main source of crocetin, although a few other ...
Gene-Metabolite Networks of Volatile Metabolism in Airen and Tempranillo Grape Cultivars Revealed a Distinct Mechanism of Aroma Bouquet Production

Rambla Nebot, Jose Luis; Trapero-Mozos, Almudena; Diretto, Gianfranco; Rubio-Moraga, Angela; Granell Richart, Antonio; Gomez-Gomez, Lourdes; Ahrazem, Oussama (Frontiers Media, 2016-10-27)

[EN] Volatile compounds are the major determinants of aroma and flavor in both grapes and wine. In this study, we investigated the emission of volatile and non-volatile compounds during berry maturation in two grape varieties ...
Identification and possible role of a MYB transcription factor from saffron (Crocus sativus)

Gomez-Gornez, Lourdes; Trapero-Mozos, Almudena; Gómez Jiménez, Maria Dolores; Rubio-Moraga, Angela; Ahrazem, Oussama (Elsevier, 2012-03-15)

The MYB family is the most abundant group of transcription factors described for plants. Plant MYB genes have been shown to be involved in the regulation of many aspects of plant development. No MYB genes are described for ...
New target carotenoids for CCD4 enzymes are revealed with the characterization of a novel stress-induced carotenoid cleavage dioxygenase gene from Crocus sativus

Rubio-Moraga, Angela; Rambla Nebot, Jose Luis; Fernández Del Carmen, María Asunción; Trapero Mozos, Almudena; Ahrazem, Oussama; Orzáez Calatayud, Diego Vicente; Granell Richart, Antonio; Gómez Gómez, Lourdes (Springer Verlag (Germany), 2014-11)

[EN] Apocarotenoid compounds play diverse communication functions in plants, some of them being as hormones, pigments and volatiles. Apocarotenoids are the result of enzymatic cleavage of carotenoids catalyzed by carotenoid ...
Saffron: Its Phytochemistry, Developmental Processes and Biotechnological Prospects

Ahrazem, Oussama; Rubio Moraga, Angela; González Nebauer, Sergio; Molina Romero, Rosa Victoria; Gómez Gómez, Lourdes (American Chemical Society, 2015-10-14)

[EN] The present state of knowledge concerning developmental processes and the secondary metabolism of saffron, Crocus sativus L. (Iridaceae), along with the genes involved in these processes so far known, is reviewed. ...
Unravelling massive crocins transport and accumulation through proteome and microscopy tools during the development of saffron stigma

Gómez Gómez, Lourdes; Parra Vega, Verónica; Rivas Sendra, Alba; Seguí Simarro, José María; Molina Romero, Rosa Victoria; Pallotti Sagripanti, Claudia Gabriela; Rubio Moraga, Ángela; Diretto, Gianfranco; Prieto, Alicia; Ahrazem, Oussama (MDPI, 2017-01-01)

Crocins, the glucosides of crocetin, are present at high concentrations in saffron stigmas and accumulate in the vacuole. However, the biogenesis of the saffron chromoplast, the changes during the development of the stigma ...