Sentences with word «vacuole»

A vacuole is a tiny storage space found in the cells of plants and some other organisms. It stores water, nutrients, and waste materials to help keep the cell functioning properly. Full definition
When the scientists recently gave mice a single dose of cocaine and looked for signs of autophagy in their brain cells, they detected autophagy - associated proteins and changes in vacuoles in adults and in mouse pups whose mothers had received cocaine while pregnant.
The word was «lone,» as in «PvPlm is the lone plasmepsin in the food vacuole of Plasmodium vivax.»
Our results demonstrated that our 3D cell culture device enables a real - time imaging of giant vacuole formation and tracers crossing the cultured endothelial cell monolayer in a controlled experimental condition.
But the crescent - shaped C. moniliferum caught Krejci's eye because of its unusual ability to remove strontium from water, depositing it in crystals that form in subcellular structures known as vacuoles — an knack that could include the radioactive isotope strontium 90.
For instance, lysosomes contain enzymes that break down the contents of food vacuoles, and peroxisomes are used to break down peroxide, which is toxic otherwise.
The aim of this project is to identify how the HOPS tethering complex, which contains the S / M protein Vps33, interacts with vacuolar SNAREs to promote yeast vacuole fusion by a combination of biochemical, biophysical and structural studies.
Experiments (by him and others) with simple model organisms like yeast suggest that the cellular damage is caused by how the cell stores these molecules in fluid - filled sacs called vacuoles.
They do this by making a lot more of a transport protein on the food - vacuole membrane that acts like a selective drug pump (multidrug - resistant cancer cells have evolved a similar mechanism to expel cytotoxic drugs).
(h) Likewise, LC3 immunopositive vacuoles increase significantly in G93A and WT mice administered lithium.
We showed that using a chemical, which can induce the cell into a more relaxed state, can promote giant vacuole formation.
Bacteria (colorized in blue) are located either in the cytosol or within a membrane - bound vacuole.
An image featured in the profile that shows T. gondii in a host - cell vacuole surrounded by a chain of mitochondria «felt somehow iconic,» Maia wrote.
In fact, the number of beclin and LC3 positive vacuoles was increased by lithium (Fig. 4 g and h).
The platelets showed an unusual size and shape, an abnormal structure and excessive vacuoles.
However, FPs have usage limitations for imaging in low pH environments, such as in acidic organelles, including endosomes, lysosomes, and plant vacuoles.
One such way is autophagy, a normal and much - needed cellular «cleanup process» that rids cells of debris that accumulates in membrane - enclosed vacuoles, or «bags» within the cell.
However, the Agriculture Department microbiologist found, the voracious bacteria eaters weren't able to digest their lunch, so they just left it bundled inside the now - protective vacuole.
Ohsumi then used chemicals to induce more mutations in the yeast strains, looking for cells that failed to form visible vacuoles even when they were starving.
Membrane ruffles surround and engulf extracellular fluid (top panels), creating the spherical intracellular vacuoles seen inside the cell (bottom panels).
Sattarzadeh, A., Krahmer, J., Germain, A. D., and Hanson, M. R. (2009) A myosin XI tail domain homologous to the yeast myosin vacuole - binding domain interacts with plastids and stromules in Nicotiana benthamiana, Molecular plant 2, 1351 - 1358.
Current model of endosomal maturation and cargo sorting at the endosome - vacuole interface.
Ltc1 is an ER - localized sterol transporter and a component of ER — mitochondria and ER — vacuole contacts.
Once inside the phloem, the sugar then flows into the root, where it is stored in special vacuoles, or spaces surrounded by a membrane.
In higher plants, most of a cell's volume is taken up by a central vacuole, which primarily maintains its osmotic pressure.
Long Caption: The plasma membrane of the Arabidopsis thaliana embryo cells is stained with FM4 - 64 (shown in red) and protein storage vacuoles autofluoresce (shown in blue).
Regardless of its nature, dorsoventral axis inversion (35) would have brought the ventral midline tissue into a dorsal position in the chordate lineage, and the appearance of incompressible vacuoles (14) would have gradually transformed it into a stiff rod of constant length; the amphioxus notochord could then be regarded a vestige of a contractile - cartilaginous transition.
However, too many vacuoles can cause cell death — use with caution.
Photosynthesis happens in the «palisade» cells in the leaf: Palisade cells Close up on a palisade cell: Cell wall Cell membrane Nucleus Large vacuole Cytoplasm Chloroplasts (containing chlorophyll) How do Plant Roots Work?
«Until now, it wasn't known how these pathogens decide to remain trapped inside a chamber - like vacuole or to move freely in the cellular fluid,» said microbiologist Leigh Knodler of WSU's Paul G. Allen School for Global Animal Health, who co-led the study with Cammie Lesser of Harvard.
As expected, the predators gobbled up the bacteria and then neatly encased them within digestive organs known as vacuoles.
Perhaps they are simply waste, forming by accident in vacuoles that serve as storage depots for sulfate, said Krejci.
Differential targeting of the tobacco PR - 1 pathogenesis - related proteins to the extracellular space and vacuoles of crystal idioblasts
But the researchers uncovered something more — that the business end of the syringe device serves a critical role in directing bacterial traffic, thus controlling whether the bacteria become «chronic dwellers» inside the membrane - bound vacuole or break out into the cell fluid.
The first real clue was the drug's ability to concentrate in the food vacuole — or so - called acid stomach — of the malaria parasite.
Many protozoa have contractile vacuoles, which collect and expel excess water, and extrusomes, which expel material used to deflect predators or capture prey.
As seen in Figure 2, the abnormal BM cells were found to exhibit eccentric, large, round - to - oval / convoluted nuclei with mostly fine chromatin and prominent nucleoli and moderate - to - abundant gray cytoplasm with several cells exhibiting multiple diminutive cytoplasmic vacuoles.
Usually yeast vacuoles were too small to see under the light microscope, but in the mutant yeast, they grew so large they were easy to observe.
When they starved the yeast, the scientists found that the cells developed unusually large vacuoles, the cellular garbage dumps that collect materials to be recycled.
When we see design we know there must be a designer... when we see the complex interactions of DNA and mitochondria and vacuole that form cells or the structure of our solar system and its placement in the galaxy just between the spiral arms optimum for life we see structure and there must be a designer....
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