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It’S PROBABLY NOt a good idea to take too personal an interest in your microbes. LouisPasteur, t Frenc and bacteriologist, became so preoccupied ook to peering critically at every dis tpresumably did not ations to dinner.
In fact, t in trying to eria, for t conceive. If you are in good about one trillion bacteria grazing on your fles a imeter of skin. to dineoff ten billion or so flakes of skin you sasty oils and fortifyingminerals t seep out from every pore and fissure. You are for timate food court,ant mobility they giveyou B.O.
And t teria t in your skin. trillions more tucked a and nasal passages, clinging to your eetive system alone is to more trillion microbes, of at least four ypes. Some deal arctack oteria. A surprising number, like tous intestinal spiroces, ectable function at all. t seem to like tobe s of about 10 quadrillion cells, but about 100quadrillion bacterial cells. t, a big part of us. From teria’s point ofvie of them.
Because ilize antibiotics anddisinfectants, it is easy to convince ourselves t o tence. Don’t you believe it. Bacteria may not build cities or eresting social lives,but t, and onlybecause to be.
Bacteria, never forget, got along for billions of years us. e couldn’t survive a day tes and make t tmunc. ter and keep our soils productive. Bacteriasyntamins in our gut, convert t into useful sugars andpolysacco slip do.
e depend totally on bacteria to pluck nitrogen from t it into usefulnucleotides and amino acids for us. It is a prodigious and gratifying feat. As Margulis andSagan note, to do trially (as urers must terials to 500 degrees centigrade and squeeze to timesnormal pressures. Bacteria do it all time fuss, and t trogen tinue toprovide us o keep tmospable. Microbes, including teria, supply ter part of t’s breathable oxygen.
Algae and otiny organisms bubbling a about 150 billion kilos oftuff every year.
And tic among tionin less ten minutes; Clostridium perfringens, ttle o
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