Potrivit estimărilor, circa 80 % din infecţii sunt cauzate de aceste bacterii pe care le putem lua printr-o simplă atingere.
Se pare că, odată ce coloniile de bacterii au ajuns la o anumită dimensiune, au capacitatea de a evolua într-o serie de cicluri periodice. Bacteriile comunică trimiţând semnale una alteia prin eliberarea de valuri de particule de potasiu încărcate electric numite ioni.
„La fel ca neuronii din creierul nostru, am constatat că bacteriile folosesc canale de ioni pentru a comunica una cu alta prin semnale electrice. Comunitatea de bacterii din cadrul biofilmelor pare să funcţioneze mai mult ca un creier microbian”, spune doctorul Gurol Suel, de la Universitatea California din San Diego.
“Bacteriile din biofilme pot chema de la o distanţă destul de mare alte bacterii care să se alăture comunităţii lor”, a mai spus profesorul.
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