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How bacteria store information to kill viruses (but not themselves)（图）
细菌 基因工程 病毒
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2023/7/10
During the last few years, CRISPR has grabbed headlines for helping treat patients with conditions as varied as blindness and sickle cell disease. However, long before humans co-opted CRISPR to fight ...
Wolfing it Down:Brown Bears Reduce Wolf Kill Rate say USU Ecologists
Wolfing it Down Brown Bears Reduce Wolf Kill Rate say USU Ecologists
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2017/2/16
If you’ve ever been elbowed out of the way at the dinner table by older, stronger siblings, you’ll identify with wolves competing with larger bears for food. A study by Utah State University ecologist...
Wolfing it Down:Brown Bears Reduce Wolf Kill Rate say USU Ecologists
Wolfing it Down Brown Bears Reduce Wolf Kill Rate USU Ecologists
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2017/3/13
If you’ve ever been elbowed out of the way at the dinner table by older, stronger siblings, you’ll identify with wolves competing with larger bears for food. A study by Utah State University ecologist...
Scientists discover how blue and green clays kill bacteria
Scientists blue and green clays kill bacteria
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2016/1/17
Since prehistoric times, humans have used clays for medicinal purposes.Whether through ingestion, mud baths, or as a way to stop bleeding from wounds, clay has long helped keep humans healthy. Scienti...
Study Spells Out Why Some Insects Kill Their Mothers
Some Insects Kill Their Mothers
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2015/11/12
One day a few years ago, while working on wasps in a rainforest in Costa Rica, entomologist Kevin J. Loope, a postdoctoral researcher at the University of California, Riverside, began reading about th...
In battle of the sexes,a single night with a New York male is enough to kill
battle of the sexes New York male enough to kill
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2015/6/18
Men and women often enter relationships with different long-term goals. In the animal world, differences in approaches to reproductive success can lead to sexual conflict.Male fruit flies, for example...
Female pumas kill more, eat less when humans are near, study finds（图）
Female pumas kill more eat less humans are near
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2015/3/4
Female pumas kill more prey but consume less when their territories bump into human development, UC Santa Cruz researchers report in a new study based on monitoring more than two dozen pumas in the Sa...
An inside job: UC-designed nanoparticles infiltrate, kill cancer cells from within（图）
cancer cells infiltrate
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2014/12/1
Conventional treatment seeks to eradicate cancer cells by drugs and therapy delivered from outside the cell, which may also affect (and potentially harm) nearby normal cells.
To kill or not to kill: The balance between lytic and lysogenic viral infection is driven by trophic status
The balance lytic lysogenic viral infection trophic status
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2014/4/2
Experiments were conducted to investigate spatiotemporal patterns in lytic and lysogenic viral infection using water samples collected on the Canadian Arctic Shelf, southern Beaufort Sea. Viral produc...
Immune cells use 'bungee of death' to kill dangerous cells
Immune cells bungee of death dangerous cells
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2010/3/10
Immune cells use a bungee-like nanotube to snare dangerous cells, according to new research funded by the Medical Research Council (MRC).The findings by researchers from Imperial College London show t...
Scientists discover rare ‘gene-for-gene’ interaction that helps bacteria kill their host
immune systems bacteria enzyme
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2007/5/11
03 May 2007，In research published in the journal Proceedings of the National Academy of Science, scientists have found that Photorhabdus bacteria produce an antibiotic which inhibits the work of an en...