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Electrophoretic investigation of proteins in different root zones ofvicia faba L.

Elektroforetické sledování bílkovin v různých zonách kořene bobu koňskěho (Vicia faba L.)

Элктрофоретическое исследование исследование бслков в разных зопах корня конского боба (Vicia faba L.).

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Biologia Plantarum

Abstract

The differentiation of tissues is closely connected with the proteosynthesis. One can therfore assume that tissues with different types of cell growth (meristematic or elongation growth) and with different degrees of differentiation are different in their protein composition. In order to compare the protein composition of different plant organs, the method of disc electrophoresis on a polyacrylamide gel has been used by some authors. As compared with other methods used up to now, e. g. isolating proteins on DEAE cellulose or in Sephadex, this method does not need so much material and its resolution ability seems to be higher. It is also quicker and enables the study of several samples simultaneously. Its disadvantage is that proteins can be identified mainly by means of Rf and their quantity, measured from the intensity of staining of individual fractions in the gel, which may be misleading due to different sorption capacity of different proteins (FričFričová 1967). None the less, it is good for comparison of protein composition of individual parts of the plant body.

Different methods have been used to compare protein composition of individual growth zones in roots.Barsky,Ivanov andPushakova (1965) used luminiscence microscopy and found that in maize roots it is not possible to find substantial differences by this method.Morgan andReith (1954) arrived at similar conclusions. On the other hand,Steward et al. (1965) andMorris (1966) found qualitative differences in protein composition of different parts of pea roots using acrylamide electrophoresis. The results of the last named authors show considerable discrepancies in details, due perhaps to a different method of extraction (buffer, pH, purifying method).

We have used acrylamide gel electrophoresis for investigating proteins in precisely defined growth zones of theVicia faba root.

Abstract

Metodou akrylamidově elektroforesy nebyly zjištěny v meristematické, prodlužovací zoně a v zoně s ukončeným prodlužovacím růstem buněk podstatné kvalitativní rozdíly v bílkovinném složení. Ani kvantitativní rozdíly nebyly výrazné.

Je diskutována shoda většiny bίlkovinných frakcí kořene bobu koňského (Vicie faba) a hrachu (Pisum sativum).

Abstract

Элсктрофорезом в акриламиде не было найдсно пиких сушествснных различий в качственном состаяе белков между образцом из меристематической зоны удлинения и образцом из зопы с законченым удлинением клсток корняVicia faba L. Ра3личия в количсствеппом составе не были бостсвсрны. Обсуждается соответствие большинетва Rf белковых фраклий у корня копских бобов (Vicia faba L.) и гороха (pisum sativum)

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Hadačová, V., Sahulka, J. Electrophoretic investigation of proteins in different root zones ofvicia faba L.. Biol Plant 9, 396–400 (1967). https://doi.org/10.1007/BF02929785

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