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Cell Biology News
Wed, 20 Mar 2019 14:10:45 EDT
New mobile element found in mosquito parasite has potential for disease control
An interdisciplinary team of scientists has identified a new mobile DNA element in the Wolbachia parasite, which may contribute to improved control strategies for mosquito vectors of diseases such as Dengue and West Nile virus.
Wed, 20 Mar 2019 12:05:57 EDT
Gene variant associated with cellular aging
It is well known that psychiatric stress is associated with accelerated aging. Now, a new study shows that a gene mutation interacts with multiple types of psychiatric stress including post-traumatic stress disorder (PTSD), pain and sleep disturbances in association with cellular aging.
Wed, 20 Mar 2019 12:05:41 EDT
Chromatin changes rapidly in response to low oxygen
A study reveals new insights into how cells respond to oxygen deprivation. The researchers found that chromatin, the complex of DNA and proteins where all genes reside, quickly changes in response to low oxygen.
Wed, 20 Mar 2019 11:06:19 EDT
Antibodies from earlier exposures affect response to new flu strains
Research highlights role of immunological imprinting -- or how the immune system fights the flu after previous exposure to the virus via infections or vaccinations -- in the elicitation of new antibodies.
Wed, 20 Mar 2019 10:22:13 EDT
Active substance from plant slows down aggressive eye cancer
An active substance that has been known for 30 years could unexpectedly turn into a ray of hope against eye tumors. This is shown by a new study. The plant leaves of which contain the tested substance is anything but rare: At Christmas time you can find it in every well-assorted garden center.
Wed, 20 Mar 2019 10:21:14 EDT
Effects on offspring of epigenetic inheritance via sperm
As an organism grows and responds to its environment, genes in its cells are constantly turning on and off, with different patterns of gene expression in different cells. But can changes in gene expression be passed on from parents to their children and subsequent generations? Researchers have now demonstrated that epigenetic information carried by parental sperm chromosomes can cause changes in gene expression and development in the offspring.
Tue, 19 Mar 2019 18:22:38 EDT
Are there Zika reservoirs in the Americas?
A researcher travels the Americas, collecting feces from nonhuman primates to determine the risk of Zika reservoirs.
Tue, 19 Mar 2019 16:10:08 EDT
Revealing the rules behind virus scaffold construction
New insights into virus shell self-assembly could impact future drug delivery and therapeutic strategies.
Tue, 19 Mar 2019 14:23:06 EDT
Ejecting flagella could help microbes save energy during nutrient depletion
In favorable conditions, many bacteria propel themselves to food sources and other sites of interest using whip-like molecular propellers known as flagella. However, according to new research, members of the bacterial class Gammaproteobacteria eject their flagella when nutrients are scarce.
Tue, 19 Mar 2019 12:17:28 EDT
Androgen receptor, treatment target for prostate cancer, imports into mitochondria
Androgens stimulate prostate cancer cells to grow. Many drugs to target that cancer focus on stopping androgen biosynthesis or blocking the androgen receptor, or AR. Researchers have discovered a new function of the AR in prostate cells -- the AR is imported into and localizes to mitochondria of the cell, where it plays a novel role in regulating multiple mitochondrial processes.
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