Category Archives: Biology

Human papillomavirus and the cell cycle

Human papillomaviruses (HPVs) are DNA viruses associated with major human cancers. As such there is a strong interest in developing new means, such as vaccines and microbicides, to prevent HPV infections. Developing the latter requires a better understanding of the … Continue reading

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Nature Collections – Malaria

There’s a great collection of freely available resources On the Nature website under Nature Collections – Malaria (maybe NPG is finally getting the message about open access – hey Nature, it’s good to share :-) The world is on the … Continue reading

Posted in Biology, Health, Malaria, Medicine, Microbiology, Parasitology, Science, Vaccines | Tagged , , , , , , ,

Biotransformation of arsenic by algae

Arsenic is the most common toxic substance in the environment, ranking first on the US Superfund list of hazardous substances. It is introduced to the environment primarily from geologic sources and is acted on biologically, creating an arsenic biogeocycle. Geothermal … Continue reading

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Are viruses alive?

One of my sons asked me this question a few days ago. I said no, but I’m happy that others agree with me: Ten reasons to exclude viruses from the tree of life. 2009 Nature Reviews Microbiology 7: 306-311 When … Continue reading

Posted in Biology, Microbiology, Science, Virology | Tagged , , , | 10 Comments

Comprehensive map of global malaria

Malaria is one of the most common infectious diseases in the world and one of the greatest global public health problems. The Plasmodium falciparum parasite causes approximately 500 million cases each year and over one million deaths in sub-Saharan Africa. … Continue reading

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It's good to talk

We all live in an information rich, highly interconnected world, and the success of evolution can be measured in terms of how living organisms make sense of and respond to information. Past posts on quorum sensing are some of the … Continue reading

Posted in Bacteria, Biology, Microscopy, Podcast, Science | Tagged , , , , | 2 Comments

Badgers to be given anti-TB jabs

BBC News

Posted in Agriculture, Bacteria, Biology, Emerging disease, Environment, Food, Health, Microbiology, Science, Tuberculosis, Vaccines | Tagged , , , , , , , , , ,

Maggots or MRSA?

BBC News Larval therapy for leg ulcers (VenUS II): randomised controlled trial. BMJ 2009;338:b773 Objective: To compare the clinical effectiveness of larval therapy with a standard debridement technique (hydrogel) for sloughy or necrotic leg ulcers. Design: Pragmatic, three armed randomised … Continue reading

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Genomic fossils in lemurs shed light on HIV

Lentiviruses are mammalian retroviruses known to infect cattle, cats, horses, sheep, and primates. They are the focus of intense study due to their causative association with AIDS in human. Although our knowledge on the origin and early evolution of HIV … Continue reading

Posted in Biology, Genetics, HIV/AIDS, Microbiology, Science, Virology | Tagged , , , , , | 2 Comments