Modern biology textbooks assert that only bacteria can take nitrogen from the atmosphere and convert it into a form that is usable for life. Plants that fix nitrogen, such as legumes, do so by harboring symbiotic bacteria ...
Cell & Microbiology
Apr 11, 2024
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3602
Viruses need hosts. Whether it's measles, the flu or coronavirus, viral pathogens cannot multiply or infect other organisms without the assistance of their hosts' cellular infrastructure. However, humans are not the only ...
Cell & Microbiology
Apr 4, 2024
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43
Toxoplasmosis is an infectious disease found worldwide, caused by the single-celled parasite Toxoplasma gondii. In humans, infection poses a particular risk to pregnant women, as it can lead to birth defects. Like the closely ...
Evolution
Feb 16, 2024
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71
Living organisms often create what is needed for life from scratch. For humans, this process means the creation of most essential compounds needed to survive. But not every living thing has this capability, such as the parasite ...
Cell & Microbiology
Feb 13, 2024
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91
A research team has caught a glimpse of a rare case of retrovirus integration. Retroviruses are viruses that multiply by incorporating their genes into the genome of a host cell. If the infected cell is a germ cell, the retrovirus ...
Evolution
Feb 5, 2024
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17
A new study at the Hebrew University of Jerusalem unveils critical insights into bacterial fruit blotch, a severe disease affecting melon and watermelon crops. The research focuses on the role of the effector AopW1, shedding ...
Molecular & Computational biology
Feb 1, 2024
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23
Trypanosome is a single-celled parasite that takes an extensive human and economic toll due to its involvement in causing sleeping sickness in humans and a similar disease in cattle. The parasite, found mainly in rural areas ...
Cell & Microbiology
Dec 19, 2023
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3
Antibiotic-resistant "superbugs" that can defeat efforts to kill them are an urgent public health crisis, and according to the Centers for Disease Control, more than 2.8 million antibiotic-resistant infections occur each ...
Biochemistry
Dec 18, 2023
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75
Researchers at Lund University, together with colleagues at the NIST Synchrotron Facility in the U.S., have mapped on an atomic level what happens in a virus particle when the temperature is raised.
Cell & Microbiology
Nov 8, 2023
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119
No one had ever seen one virus latching onto another virus, until anomalous sequencing results sent a UMBC team down a rabbit hole leading to a first-of-its-kind discovery.
Cell & Microbiology
Nov 2, 2023
1
162
In biology, a host is an organism that harbors a virus or parasite, or a mutual or commensal symbiont, typically providing nourishment and shelter. In botany, a host plant is one that supplies food resources and substrate for certain insects or other fauna. Examples of such interactions include a cell being host to a virus, a legume plant hosting helpful nitrogen-fixing bacteria, and animals as hosts to parasitic worms, e.g. nematodes.
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