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词汇 colicin
释义

Definition of colicin in English:

colicin

noun ˈkɒlɪsɪnˈkäləsin
Biology
  • A bacteriocin produced by a coliform bacterium.

    〔生〕大肠杆菌素

    Example sentencesExamples
    • A similar large discrepancy between the measured and calculated values of the channel conductance was reported for colicin El and, recently, for colicin Ia channels.
    • This structure shows some similarities with that of the pore-forming domain of colicins and the diphtheria toxin, which agrees with the ability of Bcl - 2 proteins to form ion channels in synthetic lipid bilayers.
    • For example, certain protein receptors are common to a colicin and a virulent phage; others, like the fig product, can adsorb a bacteriocin, virulent phages of distinct origins, and even a temperate phage.
    • The ASA for every rotamer cluster of Trp 192 of TCS and the three tryptophans of colicin A are shown in Table 6.
    • These proteins, which inhibit the cytotoxic activity of the E colicin DNase proteins, preventing the death of the colicin-producing bacteria, have 60% sequence homology and have the same three-dimensional structure.

Origin

1940s: from French colicine (from coli, denoting a bacterium) + -in1.

Definition of colicin in US English:

colicin

nounˈkäləsin
Biology
  • A bacteriocin produced by a coliform bacterium.

    〔生〕大肠杆菌素

    Example sentencesExamples
    • The ASA for every rotamer cluster of Trp 192 of TCS and the three tryptophans of colicin A are shown in Table 6.
    • These proteins, which inhibit the cytotoxic activity of the E colicin DNase proteins, preventing the death of the colicin-producing bacteria, have 60% sequence homology and have the same three-dimensional structure.
    • This structure shows some similarities with that of the pore-forming domain of colicins and the diphtheria toxin, which agrees with the ability of Bcl - 2 proteins to form ion channels in synthetic lipid bilayers.
    • For example, certain protein receptors are common to a colicin and a virulent phage; others, like the fig product, can adsorb a bacteriocin, virulent phages of distinct origins, and even a temperate phage.
    • A similar large discrepancy between the measured and calculated values of the channel conductance was reported for colicin El and, recently, for colicin Ia channels.

Origin

1940s: from French colicine (from coli, denoting a bacterium) + -in.

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