Morphology of protoplast as affected by an inhibition of respiration

Podbielkowska, Maria; Żarska-Maciejewska, Bożena; Kacperska‐Palacz, Alina

doi:10.1007/bf01282553

Cited by 17 publications

(5 citation statements)

References 9 publications

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“…On the other hand, concentric ER cisternae observed in A. cepa root cells treated with respiration inhibitors (Podbielkowska et al 1975) suggest that such reorganization of ER in the cold treated soybean may result from limited metabolic activity. The lowered metabolic activity explained also changes in the number of condensed mitochondria observed in the tested roots.…”

Section: Discussionmentioning

confidence: 99%

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Effects of chilling on the root cell ultrastructure of two soybean cultivars

Glińska¹,

Gapińska²,

Gabara³

et al. 2009

Biologia plant.

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Two soybean [Glycine max (L.) Merr.] cultivars: Aldana (more resistant) and Essor (less resistant to low temperature) were subjected to chilling at 5 °C for 24 h, and then the ultrastructure of the root meristem cells was investigated. The ultrastructure of control root cells of the tested cultivars differed in the number of condensed mitochondria, plastids with phytoferritin, deformed vacuoles, as well as multivesicular bodies (MB) in cytoplasm and vacuoles. Chilling induced concentric endoplasmic reticulum (ER) arrangement in both soybean cultivars, while the circular Golgi apparatus (GA) occurred only in cv. Essor and MB in the cytoplasm of cv. Aldana cells. Additionally, in cv. Aldana chilling increased the number of condensed mitochondria, MB in vacuoles and multilamellar structures (MS) in cytoplasm whereas in cv. Essor it enlarged the population of plastids with phytoferritin and the number of MB in cytoplasm. After chilling treatment the population of deformed vacuoles with phenolic compounds in the form of electron dense granules increased but the number of multilamellar structures (MS) in the vacuoles of both cultivars decreased. The ultrastructural changes induced by the chilling stress were not lethal but rather adaptive, especially in more resistant cv. Aldana.Additional key words: Glycine max, low temperature, transmission electron microscopy.

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Section: Discussionmentioning

confidence: 99%

“…However, only a few papers concerning chilling effects on root cell ultrastructure were published (Podbielkowska and Kacperska-Palacz 1971, Podbielkowska et al 1975, Čiamporová and Mistrík 1993, Lee et al 2002, Helliot et al 2003, Stępiński and Kwiatkowska 2003, Szafrańska et al 2005, Abdrakhimowa et al 2006.…”

Section: Introductionmentioning

confidence: 99%

Effects of chilling on the root cell ultrastructure of two soybean cultivars

Glińska¹,

Gapińska²,

Gabara³

et al. 2009

Biologia plant.

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“…This effect was not observed in the present study or in a previous investigation (20) on winter wheat seedlings grown at 2 C under controlled conditions. The precise function of the proliferated ER is not known, although it has been suggested that it may be an expression of the adaptative mechanism protecting the cells against anoxia (18), or involved in repair processes within stressdamaged cells (1).…”

Section: Discussionmentioning

confidence: 99%

Metabolic and Ultrastructural Changes in Winter Wheat during Ice Encasement Under Field Conditions

Pomeroy¹,

Andrews²

1978

Plant Physiol.

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The effect of ice encasement on the physiological, metabol, and ultrastnctural properties of winter wheat (Tritclm sestdvM L.) grown under fiel conditios was examned by a lly encasing winter wheat in ice during early winter. Cold hadiess and survival of ice-encased seedlngs declied less rapily In Kharkov, a cold-hardy cultivar than in Fredrick, a less hardy cultivar. Ethanol did not accumulate in non-iced seedlngs, but increased rapidly upon applcatio of an ice sheet. Lactic acid accumulated in both cultivars during late autumn, prior to ice encasement, and elevated levels of lactic acid were maintained throughout the winter In seedlngs from both iced and on-iced plots. Te rate of 0s consumption of shoot tissue of seedlngs from non-iced plots remained relatively constant throughout the winter, but declined rapidy in seedlings from ice encased plots. Major ultrastructural chages did not occur in shoot apex ceUs of non-iced winter wheat gs duri cold hardening under field conditions. However, the imposition of an ice cover In early January resulted in a proiferation of the e l reticulm membrane system of the cels, frequently resulting In the formation of concentric whoris of membranes, often enclosing cytoplasmic organeles. Electrondense areas within the cytoplasm which appeared to be associated with the expanded endoplasmic reticulum were also frequently observed.

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“…Kimball & Salisbury 1973, Pomeroy & Andrews 1978, and Gazeau 1983 or anaerobic conditions (e.g. Findlay & Mercer 1971, Morisset 1973, 1976, and Podbielkowska et al 1975) cannot be excluded.…”

Section: Endoplasmic Reticulummentioning

confidence: 99%

Ultrastructure of dormant buds of Salix sp. in early winter

Berggren

1985

Nordic Journal of Botany

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Berggren, B. 1985. Ultrastructure of dormant buds of Sulix sp. in early winter. -Nord. J. Bot. 5: 475-488. Copenhagen. ISSN 0107-055X.In the apex of dormant buds of Sulk a histological zonation comparable to that found in growing buds was observed. However, significant changes in relative volumes of cell components between dormant and growing buds were noted; the dormant buds had a lower volume density of vacuoles and higher relative volumes of mitochondria, plastids, lipid bodies, and starch grains than the growing buds. In the leaf primordia the relative volume of nuclei decreased with age, while the relative volume of plastids and mitochondria increased. The large central vacuole found in cells of e.g. the procambium and rib meristem in growing buds is split into many smaller ones during the winter. A high content of tannin and calcium oxalate crystals was noted in dormant buds. They also accumulate lipids and starch. Phytoferritin may appear in plastids.Stacked ER and concentric sheaths of E R around lipid bodies appear, probably as a consequence of either anaerobic conditions or water stress. Several indications of metabolic activities in the seemingly dormant buds were found; plasmatubules at the plasmalemma particularly in the procambium, sheaths of smooth E R around the plastids, electron opaque globules (probably calcium-binding sites), and vacuoles that seemed to be autophagic.

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Morphology of protoplast as affected by an inhibition of respiration

Cited by 17 publications

References 9 publications

Effects of chilling on the root cell ultrastructure of two soybean cultivars

Effects of chilling on the root cell ultrastructure of two soybean cultivars

Metabolic and Ultrastructural Changes in Winter Wheat during Ice Encasement Under Field Conditions

Ultrastructure of dormant buds of Salix sp. in early winter

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