tonoplast


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Related to tonoplast: plasmodesmata

tonoplast

 [ton´o-plast]
the limiting membrane of an intracellular vacuole; the vacuole membrane.

ton·o·plast

(tōn'ō-plast, ton'ō-),
An intracellular structure or vacuole.
[tono- + G. plastos, formed]

tonoplast

/tono·plast/ (ton´o-plast) the limiting membrane of an intracellular vacuole.

tonoplast

(tō′nə-plăst′)
n.
The cytoplasmic membrane that surrounds a vacuole of a plant cell. Also called vacuolar membrane.

ton·o·plast

(tō'nō-plast)
An intracellular structure or vacuole.
[tono- + G. plastos, formed]

tonoplast

the CELL MEMBRANE surrounding the vacuole in the cytoplasm of a plant cell controlling movements of ions into and out of the vacuole. see SELECTIVE PERMEABILITY.

tonoplast

the limiting membrane of an intracellular vacuole, the vacuole membrane.
References in periodicals archive ?
pumps and a tonoplast intrinsic protein of vacuolar membranes during the development of pear fruit.
2] of VHA-A were shown in tomato; the subcellular localization indicated that the highest levels of both these isoforms were in the tonoplast [61].
Protective effects of exogenous fatty acids on root tonoplast function against salt stress in barley seedlings.
Salt tolerance in suspension cultures of sugar beet-induction of Na+/H+ antiport activity at the tonoplast by growth in salt.
Characterization of Leishmania donovani aquaporins shows presence of subcellular aquaporins similar to tonoplast intrinsic proteins of plants.
3] are described as unspecific and chaotropic[32] and might be partly due to an inhibition of the tonoplast ATPase which could be affected at concentrations event below 10 mM N[O.
plasma membrane, tonoplast, chloroplast, mitochondria, in sufficient detail to understand the structural, functional, and regulatory components of each system.
According to their sequence homology and sub-cellular location, plant AQPs could be subdivided in four subgroups: plasma membrane intrinsic proteins (PIPs): PIP1, PIP2 and PIP; tonoplast intrinsic proteins (TIPs), which further subdivided into 5 subgroups: a, b, g, d and e-TIP; nodulin 26-like intrinsic proteins (NIPs); small and basic intrinsic proteins (SIPs, further subdivided into 2 subgroups: SIP1 and SIP2); GlpF-like intrinsic proteins (GIPs).
Plant peroxidases are found in tonoplast and plasmalemma, inner and outer side of the cellular wall both in soluble as well as, ionically bound forms (Chen et al.
Freeze-fracture electron microscopy of senescing carnation petals indicated the presence of gel phase lipid in the plasma membrane, endoplasmic reticulum, and tonoplast (Hopkins et al.