Search results for "IVU"
showing 10 items of 506 documents
A multifunctional bicupin serves as precursor for a chromosomal protein of Pisum sativum seeds.
2005
The fact that the psp54 gene codes for p16, a seed chromatin protein of Pisum sativum, has been described previously. In the present paper it is shown that p54, the p16 precursor, also exists as a free polypeptide in pea and that it also yields p38, a second polypeptide from the N-terminal region of p54, which is co-localized at a subcellular level with p16. By using antibodies against pea p16 and p38, it was found that these proteins are present in the members of the tribe Viciae examined. Sequence analysis and 3D modelling indicates that p54 proteins belong to the cupin superfamily, and that they are related to sucrose binding proteins and, to a lesser extent, to vicilin-type seed storage…
The Antigerminative Activity of Twenty-Seven Monoterpenes
2010
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Llengües minoritàries i divulgació científica. 'Elhuyar': periodisme i ciència en eusquera.
2014
La revista Elhuyar va naixer el 1974 amb l’objectiu d’adequar l’eusquera a l’ambit cientifi c i tecnic. Des de llavors, la revista s’ha consolidat com una publicacio de divulgacio de la ciencia que concedeix especial rellevancia a la investigacio realitzada al Pais Basc, pero el principal objectiu de la qual es capacitar el lector en la cultura cientifica i, alhora, entretenir-lo.
Col·laboració 2.0: El futur de la divulgació científica
2013
La divulgació científica ha d’afrontar un nou escenari on l’escassetat d’informació ha estat substituïda per l’abundància d’informació, que a més comença a ser generalment gratuïta i produïda per aficionats i, en alguns casos, amb la mateixa o superior qualitat que la professional. Sembla imposar-se, en conseqüència, una col·laboració entre l’àmbit professional i l’aficionat, àmbits separats per una línia divisòria que ja s’ha desdibuixat.
Ecotoxicity of halloysite nanotube–supported palladium nanoparticles in Raphanus sativus L
2015
Halloysite nanotubes (HNTs) are natural nanomaterials that are biocompatible and available in large amounts at low prices. They are emerging nanomaterials with appealing properties for applications like support for metal nanoparticles (NPs). The potential environmental impacts of NPs can be understood in terms of phytotoxicity. Current research has been focusing on HNT applications in cell or animal models, while their use in plants is limited so their ecotoxicological impact is poorly documented. To date there are no studies on the phytotoxic effects of functionalized halloysites (functionalized-HNTs). To develop a quantitative risk assessment model for predicting the potential impact of H…
Il portale del progetto Rete Natura 2000 Basilicata
2014
Effects of Organic and Chemical N-fertilization on Yield and Morpho-biological Features in Coriander (Coriandrum sativum L.).
2009
Although MAPs are subjected to a growing interest (from growers, transformation industries, public and private institutions), a full introduction of such species into the Mediterranean cropping systems still needs the pointing out of many aspects. An important task concerns some aspects of cropping technique, whose definition could allow these crops to optimize the yields (both from the qualitative and the quantitative point of view), also allowing the best exploitation of land resources. One of the most crucial aspects is linked to plant fertilization, above all with Nitrogen. The trial that we report the results of has been performed in 2003- 04 and 2004-05 with the aim to study the effec…
The nucleosomal repeat length of pea (Pisum sativum) chromatin changes during germination
1985
Pea (Pisum sativum) nuclei have been isolated from ungerminated embryos, developing embryonic axes and seedlings. Morphological and biochemical criteria revealed that preparations were free from contaminants and that nuclei were intact. These circumstances permitted an accurate determination of nucleosomal repeat lengths, the values obtained being 175±4 base pairs for ungerminated embryos, 185±5 base pairs for 62-hours germinated embryonic axes and 185±3 base pairs for 6-day old seedlings. The results seem to indicate that the increase in repeat length is associated with the onset of transcription and/or replication of DNA.