Host (biology)
hideIn 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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News tagged with host cell
Blocking biofilms: Alzheimer's research sheds light on potential treatments for urinary tract infections
Nov 25, 2009 |
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(PhysOrg.com) -- Research into Alzheimer's disease seems an unlikely approach to yield a better way to fight urinary tract infections (UTIs), but that's what scientists at Washington University School of Medicine in St. Louis ...
No-entry zones for AIDS virus
Medicine & Health / HIV & AIDS
Nov 12, 2009 |
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The AIDS virus inserts its genetic material into the genome of the infected cell. Scientists of the German Cancer Research Center have now shown for the first time that the virus almost entirely spares particular ...
Researchers identify mechanism that helps bacteria avoid destruction in cells
Oct 10, 2009 |
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Infectious diseases currently cause about one-third of all human deaths worldwide, more than all forms of cancer combined. Advances in cell biology and microbial genetics have greatly enhanced understanding of the cause and ...
New Cellular Therapy for HIV in World's First Engineered T Cell Receptor Trial
Medicine & Health / HIV & AIDS
Oct 07, 2009 |
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(PhysOrg.com) -- Researchers at Adaptimmune Limited and the University of Pennsylvania School of Medicine, today announced the approval of an Investigational New Drug (IND) application from the US Food and ...
Major discovery opens door to leishmania treatment
Oct 06, 2009 |
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Leishmania is a deadly parasitic disease that affects over 12 million people worldwide, with more than 2 million new cases reported every year. Until recently, scientists were unsure exactly how the parasite survives inside ...
A Twist in the Genome Thwarts Hepatitis C
Sep 30, 2009 |
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(PhysOrg.com) -- Viruses like Hepatitis C proliferate by tricking cellular machinery into manufacturing the parts for duplicate viral particles.
Hepatitis C virus channels efforts into cell survival
Aug 17, 2009 |
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Researchers at the University of Leeds have discovered a previously unknown mechanism that allows the hepatitis C virus (HCV) to remain in the body for decades.
Dynasty: Influenza virus in 1918 and today
Jun 29, 2009 |
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The influenza virus that wreaked worldwide havoc in 1918-1919 founded a viral dynasty that persists to this day, according to scientists from the National Institute of Allergy and Infectious Diseases (NIAID), ...
Viruses are sneakier than we thought
May 27, 2009 |
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Viruses are molecular marauders, plundering cells for the resources they need to multiply. Of central importance for viruses is the ability to commandeer cellular gene expression machinery. Several human herpesviruses put ...
Bacteria with a built-in thermometer
May 20, 2009 |
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Researchers in the "Molecular Infection Biology group" at the Helmholtz Centre for Infection Research (HZI) in Braunschweig and the Braunschweig Technical University could now demonstrate for the first time that bacteria ...
Salmonella's sweet tooth predicts its downfall
May 19, 2009 |
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For the first time UK scientists have shown what the food poisoning bug Salmonella feeds on to survive as it causes infection: glucose.
Virologists developing more potent vaccine technology
May 04, 2009 |
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Virginia Tech virologist Chris Roberts' goal is to develop a platform for a flu vaccine that allows rapid modifications to meet new strains of flu.
Findings uncover new details about mysterious virus
Apr 28, 2009 |
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(PhysOrg.com) -- An international team of researchers has determined key structural features of the largest known virus, findings that could help scientists studying how the simplest life evolved and whether the unusual virus ...
Scientists use RNA to reprogram one cell type into another
Apr 16, 2009 |
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(PhysOrg.com) -- For the past decade, researchers have tried to tweak cells at the gene and nucleus level to reprogram their identity. Now, working on the idea that the signature of a cell is defined by molecules ...
New insight into an old reaction: Adenylylation regulates cell signaling
Apr 09, 2009 |
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A new study reveals the importance of adenylylation in the regulation of cell signaling from bacteria to higher organisms. The research, published by Cell Press in the April 10th issue of the journal Molecular Cell, provid ...
