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Study of DNA optical characters of rice samples, differetiated by intensity

Avakyan E.R., Kumeiko T.B.. 2002. Study of DNA optical characters of rice samples, differetiated by intensity. In : Rice genetic resources and breeding for Europe and other temperate areas : proceedings of Eurorice 2001 Symposium, Cirad, Ird, Ksau, Krasnodar Territory, Vniirisa, September, 3-8, 2001, Krasnodar, Russia. CIRAD, IRD, KSAU, Krasnodar. Montpellier : CIRAD ISBN 2-87614-504-9 Eurorice 2001 Symposium, Krasnodar, Russie, 3 September 2001/8 September 2001.

Paper with proceedings
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Abstract : Investigations of breeding samples on intensity by reaction to exogenous gibberellic acid (GA) helped to divide them into three groups; intensive, less intensive, non-intensive. Earlier investigations showed that GA can intrude into molecular-biological processes at cell nuclear level. There fore the objective of researches was study of optical characters, in particular DNA, segregated from rice forms differentiating by GA endogen level. Regulating mechanisms, retarding or accelerating reactions of separate ways of matters exchange are correlated with metabolism transfer from one way to another .Regulating factor are very different, including intermediate products, environmental factors, such as light, temperature and also hormones. Study of optical characters is of big importance for NA study, taking into consideration, that DNA molecular are stuff because of multiple hydrogenic molecules, connecting the structure: these investigations are important not only for understanding DNA structure and natural forces, responsible for interactions of polynucleotide chains with each other, but for understanding mechanism of their biological functions. High molecular nucleic acid have maximum level of absorption at wake length - 260 mmc. The value of DNA optical density at 260 mmc is 40-50 % lower than a total optical density of mononucleotides. (Résumé d'auteur)

Mots-clés Agrovoc : Oryza, ADN

Classification Agris : F50 - Plant structure

Auteurs et affiliations

  • Avakyan E.R., All Russia Rice Research Institute (RUS)
  • Kumeiko T.B., All Russia Rice Research Institute (RUS)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/510453/)

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