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1 .This is Scientific American 60-Second Science. I'm Christopher Intagliata. Got a minute?
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2 .It's well known that antibiotics can disrupt our gut bacteria.
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3 .But when mosquitoes snack on blood laced with antibiotics, the same can happen to their microbiome.
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4 .And that depletion of gut bacteria actually increases mosquitoes' susceptibility to the malaria parasite.
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5 .Meaning they may be more likely to host and then spread the disease-causing protozoan.
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6 .That's according to a study in the journal Nature Communications.
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7 .Researchers fed mosquitoes the blood of children infected with the malaria parasite.
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8 .They added a penicillin-streptomycin antibiotic cocktail to some samples, and a control solution to others.
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9 .Turns out the mosquitoes that sucked the blood doped with antibiotics were more likely to pick up the parasite.
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10 .And those mosquitoes appeared to gain some benefit from the antibiotics too,
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11 .they lived longer and had more offspring than the other mosquitoes in the tests.
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12 .So these commonly used antibiotics made the insects a more powerful vector for malaria.
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13 .Some antibiotics, of course, do inhibit malaria transmission.
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14 .Doxycycline, for example, is sometimes taken as a malaria prophylactic.
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15 ."Different antibiotics may have different impacts.
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16 .Which could translate into an opposite effect than what we demonstrated in the paper."
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17 .Study author George Christophides, of Imperial College London.
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18 .He says this interaction is especially worth considering for patients with malaria as well as tuberculosis or HIV,
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19 .because treatment of those conditions can involve receiving antibiotics for months.
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20 ."TB and HIV prevalence in malaria-endemic countries is huge.
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21 .So if all these people are taking antibiotics, we must know what they do on malaria transmission."
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22 .Christophides and his colleagues are now investigating those connections,
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23 .to make sure certain antibiotics don't turn the mosquito into a whole new kind of 'superbug.'
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24 .Thanks for the minute, for Scientific American's 60-Second Science.I'm Christopher Intagliata.
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