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Molecular Biology News
Fri, 13 Jul 2018 11:19:57 EDT
Allergy potential of strawberries and tomatoes depends on the variety
Strawberries and tomatoes are among the most widely consumed fruits and vegetables worldwide. However, many people are allergic to them, especially if they have been diagnosed with birch pollen allergy. A team has investigated which strawberry or tomato varieties contain fewer allergens than others and to what extent cultivation or preparation methods are involved.
Fri, 13 Jul 2018 09:35:36 EDT
Target for novel malaria vaccine identified
Researchers have created a vaccine that protects against malaria infection in mouse models, paving the way for the development of a human vaccine that works by targeting the specific protein that parasites use to evade the immune system.
Thu, 12 Jul 2018 17:22:13 EDT
New species may arise from rapid mitochondrial evolution
Genetic research at has shed new light on how isolated populations of the same species evolve toward reproductive incompatibility and thus become separate species.
Thu, 12 Jul 2018 14:16:53 EDT
Parental chromosomes kept apart during embryo's first division
It was long thought that during an embryo's first cell division, one spindle is responsible for segregating the embryo's chromosomes into two cells. Scientists now show that there are actually two spindles, one for each set of parental chromosomes, meaning that the genetic information from each parent is kept apart throughout the first division.
Thu, 12 Jul 2018 14:16:36 EDT
Tree shrews can tolerate hot peppers: Mutation in pain receptor makes peppery plant palatable
Almost all mammals avoid eating chili peppers and other 'hot' foods, because of the pain they induce. But not the tree shrew, according to a new study. The researchers found that this close relative of primates is unaffected by the active ingredient in chili peppers due to a subtle mutation in the receptor that detects it.
Thu, 12 Jul 2018 14:16:28 EDT
Scientists ID protein exploited by virus ravaging West Africa
New research has uncovered a protein enabling the replication of arenaviruses, pathogens now widespread in West Africa that are carried by rodents and can infect humans with lethal fevers. The research identified DDX3 as a key factor promoting arenavirus multiplication through its unexpected ability to promote viral RNA synthesis and dismantle normal human immune system defenses. The study may pave the way to new therapeutic treatments for arenaviruses and hemorrhagic fever.
Thu, 12 Jul 2018 12:39:41 EDT
Algae have land genes
The genome of the algae species Chara braunii has been decoded. It already contains the first genetic characteristics that enabled the water plants' evolutionary transition to land.
Thu, 12 Jul 2018 11:45:57 EDT
Finding the proteins that unpack DNA
A new method allows researchers to systematically identify specialized proteins called 'nuclesome displacing factors' that unpack DNA inside the nucleus of a cell, making the usually dense DNA more accessible for gene expression and other functions.
Thu, 12 Jul 2018 11:44:50 EDT
Imaging technique illuminates immune status of monkeys with HIV-like virus
Findings from an animal study suggest that a non-invasive imaging technique could, with further development, become a tool to assess immune system recovery in people receiving treatment for HIV infection. Researchers used single-photon emission computed tomography (SPECT) and a CD4-specific imaging probe to assess immune system changes throughout the bodies of macaques infected with SIV following initiation and interruption of antiretroviral therapy (ART). They evaluated pools of CD4+ T cells in tissues.
Thu, 12 Jul 2018 11:44:46 EDT
Chemicals associated with oxidative stress may be essential to development
Some level of molecules linked to oxidative stress may be essential to health and development, according to new animal studies.
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