Sentences with phrase «cell shape determines»

Not exact matches

Donald Ingber, M.D., Ph.D., Founding Director of the Wyss Institute at Harvard University, started investigating this «architecture of life» over thirty - five years ago, and discovered that Nature uses an architectural principle known as «tensegrity» (short for «tensional integrity») to stabilize the shapes of living cells and to determine how they respond to mechanical forces.

The absorbance and scattering of light is determined by the size, shape and material of the nanomaterial and, more importantly, it is also affected by any medium in close proximity to the nanomushroom, such as cells that have been placed on the slide.

Researchers know that shape is determined by the cell wall, yet little is known about how bacteria monitor and control it.

He and colleagues have determined what gives cholera bacteria their curved shape and whether it matters (a polymer protein, and it does matter; the curve makes it easier for cholera to cause disease), how different wavelengths of light affect movement of photosynthetic bacteria (red and green wavelengths encourage movement; blue light stops the microbes in their tracks), how bacteria coordinate cell division machinery and how photosynthetic bacteria's growth changes in light and dark.

To determine if Sup35 could change shape on its own or if it needed help from other molecules in the cell, the team studied the purified protein in the test tube.

King said that by studying how the shape of proteins change, researchers can determine how drugs bind and interact with cells.

Specific shapes can determine the protein's task in a cell.

«According to these models, it is the high pressure cells that are really important in steering winter storms, and in determining the shape and location of the transition zone,» said Oster.

Bacteria lack this internal architecture, so their rigid cell wall determines their shape.

Researchers have determined the first detailed molecular images of a piece of the spike - shaped protein that the SARS virus uses to grab host cells and initiate the first stages of infection.

If ACT will succeed at this stage and will able to show long - term safety, it will shape and determine the future development and commercialization of embryonic stem cell - based products.

The researchers also showed that their method can be used to determine the shape of the cell by injecting a dye; they are now working on extracting a cell's contents to read its genetic profile.

This simulation is used to model processes such as the formation of a mitotic spindle, or the mechanisms by which cell shape is determined.

The series of events involved rearrangment of the cell's internal «skeleton,» fibers that determine its shape and can transport items from one area of a cell to another.

Anja (McGill University, Quebec, Canada) is world - renowned for her work in the cell biology of the pollen tube, work that addresses biomechanical aspects, such as how cell shape is determined, and how materials are secreted appropriately to direct cell growth.

To test for anemia, the packed cell volume (PCV) will be measured to determine the percent of red blood cells in the sample, the number of red blood cells will be counted, and the cells will be examined under a microscope to determine their size and shape.