plasmolysis


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plasmolysis

 [plaz-mol´ĭ-sis]
contraction of cell protoplasm due to loss of water by osmosis. adj., adj plasmolyt´ic.

plas·mol·y·sis

(plaz-mol'i-sis),
Shrinking of plant cells by osmotic loss of cytoplasmic water.
Synonym(s): protoplasmolysis
[plasmo- + G. lysis, dissolution]

plasmolysis

(plăz-mŏl′ĭ-sĭs)
n. pl. plasmoly·ses (-sēz′)
Shrinkage or contraction of the protoplasm away from the wall of a living plant or bacterial cell, caused by loss of water through osmosis.

plas′mo·lyt′ic (plăz′mə-lĭt′ĭk) adj.
plas′mo·lyt′i·cal·ly adv.

plas·mol·y·sis

(plaz-mol'i-sis)
1. Dissolution of cellular components.
2. Shrinking of plant cells by osmotic loss of cytoplasmic water.
[plasmo- + G. lysis, dissolution]

plasmolysis

Shrinkage or dissolution of the protoplasm in a cell.

plasmolysis

the shrinkage of plant cell contents due to loss of water, resulting in the CELL MEMBRANE pulling away from the cell wall, leaving a fluid-filled space. Plasmolysis occurs when plant cells are placed in a hypertonic (see HYPOTONIC medium so that they lose water by OSMOSIS. See Fig. 254 .
References in periodicals archive ?
[19], is as a result of an initial occurrence of plasmolysis. These authors explained that there is usually an initial loss of fluid from the cytoplasm of the vegetables cells due to the creation of a hypertonic environment (as a result of the sodium metabisulphite).
Salt induces plasmolysis in the plant cells and the appearance of a liquid phase, which creates anaerobic conditions around the submerged product.
For conventional activated sludge system, high salinity has been shown to cause plasmolysis and loss of activity of cells because of the unbalance of osmotic stress 9].
As a result of the latter response, the cells are able to maintain proper osmotic balance under conditions of hyperosmotic stress, which is crucial to prevent the cell from leaking water, hence avoiding irreversible plasmolysis and dehydration, and to generate turgor pressure within limits necessary for growth [7, 8].
1996), and may also be associated with plasmolysis of plant cells, and a resulting decrease in the biosynthesis of secondary metabolites (Chattopadhyay et al.
Membrane driers pass air through semi-permeable membranes with the water vapour passing through the membrane by plasmolysis (reverse osmosis).
The collection of human blood from donors, donors' active immunizations to obtain immune sera, the plasmolysis production, the therapy with blood, plasma and blood derivatives shall be undertaken only by physicians or, under their control, by other medical staff.
Determination of viability of Phytophthora capsici oospores with tetrazolium bromide staining test versus a plasmolysis method.
Studies by Greenhill (1964) indicated that plant cell breakdown and the release of plant juices by plasmolysis is a prerequisite for the development of the LAB during the early stage of ensiling.
Arsenic toxicity in plants was described as consisting of root plasmolysis [32] and leaf wilting followed by root discoloration and necrosis of leaf tips and margins [57].