actinomycetes
基礎(chǔ)科學(xué)

        Adiverse group of Gram-positive bacteria char-acterized by a filamentous,often branchinggrowth form that resembles the mycelium of afungus. They are numerous in the topsoil andare important in soil fertility. Some can causeinfections in animals and humans......（本文共 477 字）     [閱讀本文] >>