heteroclita - Traducteur anglais vers espagnol. Services de traduction en Agriculture

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anglais vers espagnol
français vers espagnol

heteroclita

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Langue maternelle : espagnol

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Translation, Editing/proofreading, Subtitling, Transcription

Spécialisé en :
Agriculture	Biologie (-tech, -chim, micro-)
Botanique	Chimie / génie chim.
Environnement et écologie	Génétique
Sciences (général)	Médecine (général)
Médecine : médicaments

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anglais vers espagnol - Tarif : 0.05 - 0.08 EUR par mot / 20 - 25 EUR de l'heure
français vers espagnol - Tarif : 0.05 - 0.08 EUR par mot / 20 - 25 EUR de l'heure

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anglais vers espagnol: Pectins in the cell wall of Arabidopsis thaliana pollen tube and pistil. General field: Sciences Detailed field: Biologie (-tech, -chim, micro-)
Texte source - anglais Abstract. Despite the importance of this crucial step, little is known about the molecular mechanisms involved in this spatial and temporal control of the tube growth. In order to study this process and to characterize the structural composition of the extracellular matrix of the male gametophyte, immunocytochemical and biochemical analyses of Arabidopsis pollen tube wall have been carried out. Results showed a well defined localization of cell wall epitopes with highly esterified homogalacturonan and arabinogalactan-protein mainly in the tip region, weakly methylesterified homogalacturonan back from the tip and xyloglucan and (1→5)-α-L-arabinan all along the tube. Here, we present complementary data regarding 1) the ultrastructure of the pollen tube cell wall and 2) the immunolocalization of homogalacturonan and arabinan epitopes in 16 h-old pollen tubes and in the stigma and the transmitting tract of the female organ. Discussion regarding the pattern of the distribution of the cell wall epitopes and the possible mechanisms of cell adhesion between the pollen tubes and the female tissues is provided.	Traduction - espagnol Resumen. La reproducción sexual en plantas involucra el crecimiento polarizado de tubos polínicos a través de los tejidos femeninos para trasladar el núcleo del esperma a los óvulos. A pesar de la importancia de este paso crucial, se conoce poco acerca de los mecanismos involucrados en el control espacial y temporal del crecimiento del tubo. Para estudiar este proceso y para caracterizar la composición estructural de la matriz extracelular del gametofito masculino, se realizaron análisis inmuno-citoquímicos y bioquímicos del tubo polínico de Arabidopsis. Los resultados mostraron una localización bien definida de los epitopos de la pared celular con homogalacturonano altamente esterificado y arabinogalactano-proteína, principalmente en la región apical, homogalacturonano, homogalacturonano débilmente metilo-esterificado en la parte posterior del ápice y xiloglucano y (1→5)-α-L-arabinano a todo lo largo del tubo. Presentamos datos complementarios relacionados con 1) la ultraestructura de la pared celular del tubo polínico y 2) la inmuno-localización de los epitopos del homogalacturonano y del arabinano en tubos polínicos de 16 h y en el estigma y el tejido transmisor del órgano femenino. Se aporta una discusión relacionada con el patrón de distribución de los epitopos de la pared celular y los posibles mecanismos de adhesión celular entre los tubos polínicos y los tejidos femeninos.

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Bio

I have a scientific education, I have a Ph.D. in Botany from the University of California, my areas of research have been mycology, soil ecology, soil biochemistry, plant ecology, insect ecology, plant biochemistry, general ecology, agricultural soil biology, invasion ecology and soil fertility, among others.
I have a master's degree in Arid land management and a bachelors degree in Biology.
I came to live in France and I stopped doing research ever since. I have been learning French and French cuisine.
I learned that I love doing translations while doing translations and subtitling of videos of philosophy, politics, sociology for my friends, as a hobby.

Dernière mise à jour du profil
Oct 1, 2011

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