"prototrophism" meaning in English

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  "etymology_text": "proto- + -trophism",
  "head_templates": [
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      "expansion": "prototrophism (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Microbiology",
          "orig": "en:Microbiology",
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          "_dis": "58 42",
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        {
          "_dis": "56 44",
          "kind": "other",
          "name": "English terms suffixed with -trophism",
          "parents": [],
          "source": "w+disamb"
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      ],
      "examples": [
        {
          "ref": "1962, Nikolaĭ Petrovich Dubinin, Problems of Radiation Genetics, page 275",
          "text": "Berrie [ 254 ] found that the incubation temperature of the colon bacillus has an influence on the incidence of the mutations returning to prototrophism and streptomycin independence",
          "type": "quotation"
        },
        {
          "ref": "1992, Soviet Genetics - Volume 28, Issues 1-6, page 173",
          "text": "These strains enable recording of reverse mutations from auxotrophism on tryptophan to prototrophism .",
          "type": "quotation"
        },
        {
          "ref": "2014, Antoon D. L. Akkermans, Jan Dirk Van Elsas, Frans J. De Bruijn, Molecular Microbial Ecology Manual",
          "text": "Auxotrophic mutant strains are readily obtained but they should always be tested for reversion to prototrophism before use.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Reversion to the growth factor requirements of an ancestral strain."
      ],
      "id": "en-prototrophism-en-noun-~aOBncGT",
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      "raw_glosses": [
        "(microbiology) Reversion to the growth factor requirements of an ancestral strain."
      ],
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        "biology",
        "microbiology",
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      "examples": [
        {
          "ref": "1934, Marcus M. Mason, A Comparison of the Maximum Growth Rate of Various Bacteria Under Optimal Conditions, page 7",
          "text": "Bacteria vary greatly in their food requirements from extreme examples of prototrophism and autotrophism to extreme parasitism.",
          "type": "quotation"
        },
        {
          "ref": "1969, Giuseppe Sermonti, Genetics of Antibiotic-producing Microorganisms, page 144",
          "text": "The segregation of some markers ( as, for instance, a nutritional requirement versus prototrophism ) is evident only after the examination of the clones derived from the single spores, but the allele segregation has in any case occurred before spore formation.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The ability to obtain nourishment from a single source, such as iron, sulfur, or sunlight or to undergo anabolism."
      ],
      "id": "en-prototrophism-en-noun-AumdGAX9",
      "links": [
        [
          "anabolism",
          "anabolism"
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  "word": "prototrophism"
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  "etymology_text": "proto- + -trophism",
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      "expansion": "prototrophism (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "en:Microbiology"
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      "examples": [
        {
          "ref": "1962, Nikolaĭ Petrovich Dubinin, Problems of Radiation Genetics, page 275",
          "text": "Berrie [ 254 ] found that the incubation temperature of the colon bacillus has an influence on the incidence of the mutations returning to prototrophism and streptomycin independence",
          "type": "quotation"
        },
        {
          "ref": "1992, Soviet Genetics - Volume 28, Issues 1-6, page 173",
          "text": "These strains enable recording of reverse mutations from auxotrophism on tryptophan to prototrophism .",
          "type": "quotation"
        },
        {
          "ref": "2014, Antoon D. L. Akkermans, Jan Dirk Van Elsas, Frans J. De Bruijn, Molecular Microbial Ecology Manual",
          "text": "Auxotrophic mutant strains are readily obtained but they should always be tested for reversion to prototrophism before use.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Reversion to the growth factor requirements of an ancestral strain."
      ],
      "links": [
        [
          "microbiology",
          "microbiology"
        ]
      ],
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        "(microbiology) Reversion to the growth factor requirements of an ancestral strain."
      ],
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        "microbiology",
        "natural-sciences"
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        {
          "ref": "1934, Marcus M. Mason, A Comparison of the Maximum Growth Rate of Various Bacteria Under Optimal Conditions, page 7",
          "text": "Bacteria vary greatly in their food requirements from extreme examples of prototrophism and autotrophism to extreme parasitism.",
          "type": "quotation"
        },
        {
          "ref": "1969, Giuseppe Sermonti, Genetics of Antibiotic-producing Microorganisms, page 144",
          "text": "The segregation of some markers ( as, for instance, a nutritional requirement versus prototrophism ) is evident only after the examination of the clones derived from the single spores, but the allele segregation has in any case occurred before spore formation.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The ability to obtain nourishment from a single source, such as iron, sulfur, or sunlight or to undergo anabolism."
      ],
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  "word": "prototrophism"
}