Comprehensive coverage

Molecular biology of the cell

Illustration. Credit: Darryl Leja, NHGRI.

The cell's rule book

  • No comments
Cellular "selfie": an mTEC cell that was photographed using the new method called PLIC. The green dots indicate an interaction between proteins that helps prevent an autoimmune attack. Source: Weizmann Institute magazine.

Security selfie

  • No comments
Viruses (seen in the picture as small circles) attack bacteria. Sophisticated immune systems. Source: Weizmann Institute magazine.

Ten bacterial defense mechanisms discovered: the genetic editing toolbox expands

  • One response
Cancer cells, illustration. Source: National Cancer Institute.

Not all cancer cells are created equal

  • No comments
Senescent cells (top) and normal cells (bottom) from the inner lining of a mouse lung, stained with colors that highlight the markers of aging (left) or the characteristics of the lining (right). Filmed with ImageStreamX technology. Source: Weizmann Institute magazine.

Inventory count of senescent cells

  • No comments
The discovery will make it possible to treat a series of diseases that arise as a result of the accumulation of proteins in cells. Illustration: pixabay.

Researchers have identified a biological mechanism for breaking down protein clumps

  • No comments
Plasmodium parasite that causes malaria. Source: Ute Frevert / Margaret Shear / Wikimedia Commons.

The trick of the malaria parasite

  • 2 תגובות
Cell T (in red) selects cell B (in blue) for the "training camp". In green - B cells lacking ICAMs. Photographed using a two-photon laser scanning microscope. Source: Weizmann Institute magazine.

Corrective immune discrimination

  • No comments
Enzyme activity in the cell: the enzymes in red, the final product - in blue (see video below). Source: Weizmann Institute magazine.

The first study on the efficiency of enzymes in living cells reveals a surprising limit on their activity

  • No comments
Bacteria (in green) inside pancreatic cancer cells (AsPC-1 cells). The nuclei of the cells are colored in blue and the intracellular fluid in orange. Source: Weizmann Institute magazine.

Fifth brother-in-law: bacteria that live inside cancerous tumors disrupt the drug treatment

  • One response
Macrophages (in green) and axons (in red) in brown fat tissue. Photographed using two-photon microscopy. Source: Weizmann Institute magazine.

The surprising role of the "big gluttons" in preventing obesity

  • No comments
Image: pixabay.

Molecular amnesty

  • One response
Fluorescent actin fibers. Produce rounded folds on the cell membrane. Source: Weizmann Institute magazine.

Reshaping the surface: wave fronts create folds in the cell membrane

  • No comments
The fibers look like Legos in an electron microscope. Source: Weizmann Institute magazine.

Self-assembling proteins

  • One response
This is not a new version of the national flag of The Gambia, but a lining of the intestine as seen under a microscope. Messenger RNA molecules of two different genes (red and green) are located on both sides of the cell nucleus (blue). Source: Weizmann Institute magazine.

Intestinal economy

  • One response
Chicken embryo. Source: NIH / Jessica Ryvlin, Stephanie Lindsey, and Jonathan Butcher, Cornell University, Ithaca, NY.

open heart

  • No comments
Mice hearts 35 days after myocardial infarction. The scar tissue (stained in blue) in hearts treated with agrin was reduced compared to untreated hearts (PBS). Source: Courtesy of the Weizmann Institute of Science magazine.

Mend a broken heart: Scientists have discovered a unique molecule that may heal damaged heart tissue

  • No comments

Between matching and cutting

  • No comments
"Throughout evolution, the cells that knew how to produce proteins in the most 'cheap' way acquired a huge advantage. You can say that the one who was the most economical survived." Source: Weizmann Institute magazine.

A traffic light of bacteria

  • One response
How do we know how to locate our nose in space or follow the position of the arm during its movement without the sense of sight?. Photo: Barbara Piuma / Wikimedia.

Knowing where the nose is: the mechanisms of action of the sixth sense

  • No comments

Know yourself

  • 2 תגובות
An elderly person who has difficulty walking - one of the symptoms of Parkinson's disease. Illustration: shutterstock

How to break down clumps of proteins that are not folded correctly, in Alzheimer's and Parkinson's patients?

  • One response
Lung cancer cells. Illustration: shutterstock

Cell invasion - how do cancer cells detach from the tumor and establish metastases?

  • 2 תגובות
ribosome. Great protein. Illustration: shutterstock

See transparent

  • No comments
Chemotherapy. Illustration: shutterstock

LIP-LAP

  • No comments
Science website logo
SEARCH