Sentences with phrase «types of cell nuclei»

As a ciliated protozoan, Tetrahymena thermophila exhibits nuclear dimorphism: two types of cell nuclei.

Not exact matches

First, an adult cell would be removed from a patient and the DNA of that cell altered to control and direct the types of gene expression the nucleus is capable of supporting.

This cell - type - specific analysis was essential to demonstrate that there is a close interplay between epigenetic mechanisms and the spatial folding of the DNA in the cardiomyocytes» nucleus.

Welte explains that the production of certain proteins takes place along a type of assembly line that carries raw materials from the nucleus to the posterior end of the egg cell, where these proteins are then manufactured.

DNA from the cell nucleus, which includes both maternal and paternal lines, tells a different story: The two types of elephants are in fact separate species, leading recently to a proposed relisting of the forest elephant as Loxodonta cyclotis.

To make sure she understood how nuclei, dendrites, and axons came together to form different types of brain cells, she pulled out her crochet hook and went to work.

One group was born from eggs whose nuclei had been replaced with genetic matter from a type of cell called a cumulus cell that surrounds the ovaries.

But like the medieval alchemists, today's cloning and stem cell biologists are working largely with processes they don't fully understand: What actually happens inside the oocyte to reprogram the nucleus is still a mystery, and scientists have a lot to learn before they can direct a cell's differentiation as smoothly as nature's program of development does every time fertilized egg gives rise to the multiple cell types that make up a live baby.

Before Katlyn showed up at NIH, the doctors there were already well prepared: They had inserted healthy human ADA genes into a modified mouse retrovirus — a type of virus that can enter human cells and transfer new genetic material right into the DNA strands in their nuclei.

The researchers show that cells of the same type take up different amounts of viral DNA into their nucleus.

Packed into the nucleus, DNA folds into a functional form that differs in various types of cells.

We're manipulating genes in the cell nucleus to produce specific proteins, changing the normal recipe for growth and maturation, and transforming adult cells into a new type of cell with the ability to morph into any other cell type,» said Cooke, senior author and chair of the Department of Cardiovascular Sciences.

Organization of the amplified type I interferon gene cluster and associated chromosome regions in the interphase nucleus of human osteosarcoma cells.

Cell type specific chromosome territory organization in the interphase nucleus of normal and cancer cells.

With Dr. Bill Carlezon, Dr. McCullough is investigating the cell - type specific contributions of neuron populations within the nucleus accumbens to stress related pathologies.

Consequently, Spemann's work suggests that an embryonic nucleus remains totipotent, or is able to develop into any cell type of the adult body, even after several cell divisions.

Due to the heterogeneous structure of the brain, with many nuclei and cell - types organized in complex networks, it is difficult to achieve a comprehensive overview in a 1 mm tissue sample.

Production of a Quality Control Pipeline for Single Nuclei RNA - seq and Its Application in the Analysis of Cell Type Diversity of Post-Mortem Human Brain Neocortex

The Society believes that research involving the transfer of a human nucleus into an animal egg will lead to important new knowledge about cell nuclear replacement (CNR) technology and, if it were to prove possible to produce embryonic stem cells by this route, would increase understanding of how to programme these cells to develop into different tissue types.

Nuclei (green) from normal (wild type, left) and mutant (crwn1, right) root cells of Arabidopsis thaliana.