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Some morphological peculiarities ofMycoplasma bodies occurring in plants infected with potato witches' broom disease

Morfologické zvláštnosti tělísekMycoplasma v rostlinách nakažených metlovitostí bramboru

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Biologia Plantarum

Abstract

Our paper describes some morphological peculiarities ofMycoplasma bodies located in vascular bundles ofNicotiana glauca Grah. and tomato infected with potato witches' broom disease. The influence of postfixation on the density of bodies and possible development of artifacts was studied in particular. It was found that bodies of adjoining cells may have a different shape. Also elementary bodies, approximately of uniform diameter, may occur in masses in close proximity to the cells containing “adult”Mycoplasma bodies. Deformed large bodies giving in a certain position the impression of “vacuolization” are evidently degenerated saucershaped forms. In addition toMycoplasma some other bodies with different inner structure were observed in the same cells.

Abstract

Práce popisuje morfologické zvláštnosti tělísekMycoplasma v cévních svazcíchNicotiana glauca Grah. aSolanum lycopersicum L. nakažených metlovitostí bramboru. Zabývá se vlivem postfixace na densitu tělísek a možným vznikem artefaktů. Tělíska mohou mít v sousedních buňkách odlišný tvar. Mohou se masově vyskytovat i elementární tělíska přibližně stejného průměru, v sousedství buněk s „dospělými” tělískyMycoplasma. Deformovaná velká tělíska, která v určité poloze budí dojem „vakuolizace” jsou zřejmě degenerující miskovité tvary. Vedle tělísekMycoplasma byla pozorována v týchž buňkách další tělíska s odlišnou vnitřní stavbou.

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Address: Na Karlovce 1, Praha 6, Czechoslovakia.

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Králík, O. Some morphological peculiarities ofMycoplasma bodies occurring in plants infected with potato witches' broom disease. Biol Plant 13, 12–15 (1971). https://doi.org/10.1007/BF02930741

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