Mosquitoes, mosquitoes
everywhere! Now, my past post mentioned that the female mosquitoe Anopheles
gambiae is attracted to hosts that 'host' a more diverse population
of micorbiota on their skin. Skin bacteria are very important components of
body odour, without these guys body odour would be odourless to the human nose
(so when your friend smells, just blame it on the bacteria).
According
to an experiment, the feet are attractive to a female A. gambiae and
the 16S rRNA gene (a gene used to identify bacteria) has the signature of the
microbiota on the foot (Verhulst. N.O, et al. 2011).It was also stated that
washing your feet with bactericidal soap alters the selection of biting sites (Verhulst.
N.O, et al. 2011).
The end result showed that 9 of the men were more attractive to female A. gambiae then the rest (Verhulst. N.O, et al. 2011). Staphylococcus spp. (skin bacteria) was determined to be directly correlated to the attractiveness of individuals (Verhulst. N.O, et al. 2011).
So really, if you want to be a mosquitoes best friend.. all you need to do is not shower..and it will not be me testing that theory :)
References:
Verhulst. N.O., Haasnoot, G.W.,
Mumm, R., Bouwmeeser, H.J., Claas, F.H.J., Dicke, M., van Loon, Joop, J.A,
Takken, W., Knight, R., Smallegange, R.C., Qiu, Y.T., Beiileveld, H.,
Maliepaard, C., Knights, D., Schulz, S., Berg-Lyons, D., Lauber, C.L. &Verduijn,
W, 2011, “Composition of human skin microbiota affects attractiveness to
malaria mosquitoes”, Plos one, vol.
6, no. 12, pp. E28991.
Well that explains why mosquitoes love nibbling our toes! I wonder if all mosquitoes favour the feet? I’m also curious as to what compounds Staphylococcus could be secreting which is attractive to the mosquitoes. Did the researches suggest anything? Very interesting.
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