hi i hate being perceived on the internet 99% of the time but you should take this quiz i made about the immune system
DNA from a strawberry!!! This was super cool (the little white strands in the clear is actual dna from a strawberry!) strawberries are octoploids which means they have 8 copies of each chromosome! It makes it easier to see and extract it’s DNA. That’s wild!
gifts for microbio and paleo enthusiasts! :DD
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It’s well known that electric fields can guide the movements of skin cells, nudging them towards the site of an injury for instance. In fact, the human body generates an electric field that does this naturally. So researchers from the University of Freiburg in Germany set out to amplify the effect.
While it might not heal severe injuries with the speed of a Marvel superhero, it could radically reduce the time it takes for small tears and lacerations to recover.
For people with chronic wounds that take a long time to heal, such as in elderly folk, those with diabetes, or people with poor blood circulation, recovering quickly from frequent small, open cuts could be a literal lifesaver.
“Chronic wounds are a huge societal problem that we don’t hear a lot about,” says Maria Asplund, a bioelectronics scientist at the University of Freiburg and Chalmers University of Technology in Sweden.
“Our discovery of a method that may heal wounds up to three times faster can be a game changer for diabetic and elderly people, among others, who often suffer greatly from wounds that won’t heal.”
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you know what? no! *sanger sequences you and aligns you with a sequence of saxifraga rosacea no matter how many gaps i have to add between singular bases*
String identified: t g c g a a g. a t t a . t t t c g c g ' t . t. t c g c . a at c tt a a . t t . c a . t' at t t at t a a a . a ' t g t . at a c .
Closest match: Saxifraga rosaceawait how did you do that. what the fuck
Microbiology!
[ID: a banner made of emojis of microscopes, bubbling flasks, and DNA, with different bacteria emojis from a combo emoji scattered between them. /End ID]
Yersinia pestis
Yersinia pestis is the bacterium responsible for plague, with the most common manifestations being bubonic plague, septicemic plague, and pneumonic plague.
Image taken via transmission electron microscopy. Bar = 1 μm
Photo credit: Hans R. Gelderblom, Rolf Reissbrodt/RKI