Declining biodiversity in… your filthy mouth

18 02 2013

green teethIt still amazes me that the more we look, the more we realise just how important intact ecosystems are for our own well-being. I guess this is why I’m still a scientist.

Our latest paper that just came out today in Nature Genetics is a bit of a departure for me (again!); I really must not take much credit for this given that it was a huge effort among a big team of people and I played a comparatively minor role. Still, I can definitely say this is one of the more interesting papers I’ve co-authored in a while.

For me the involvement started after Alan Cooper (Director of the Australian Centre for Ancient DNA) asked me for a bit of help with a cool paper he and some of his colleagues were working on. When he told me what the subject was, my initial reaction was (yawn): Dentistry? Teeth? You’ve got to be joking. Why would an ecologist be even remotely interested in that stuff? Then he went into more detail, and I was hooked.

Before I get into that detail, I have to tell you a story about a colleague of mine (name withheld, but true story) who recently went to the dentist to have some routine cleaning and maintenance done. There was nothing particularly special about his visit – no local anaesthetic, no extractions, no caps, and certainly no surgery. Two weeks later he was in the hospital theatre getting his chest cracked open for open-heart surgery. Jesus H. Christ!, I said to myself. Read the rest of this entry »


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