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Cited by 24Infant Nutrition and HealthGut microbiota and healthProbiotics and Fermented Foods

Bacillus bifidus: its Characters and Isolation from the Intestine of Infants.

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Cruickshank, Robert·1925·Epidemiology and Infection
DOI 10.1017/s0022172400008718PMC PMC2167664
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Abstract

1.B. bifidus communis, first isolated and described by Tissier, is the predominant organism in the intestinal flora of healthy breast-fed infants in the early weeks of life. In films of the faeces at this period Gram-positive bacilli may constitute almost 99 per cent. of the organisms present. 2.B. bifidus requires fairly strict anaerobic conditions for its isolation in primary culture; but thereafter it grows readily in sub-cultures in the presence of oxygen. 3.B. bifidus is a member of the acid-tolerant group of Gram-positive, faecal organisms. Although closely resembling B. acidophilus, it is distinct from the latter morphologically and also in certain of its cultural characters. The results of agglutination reactions indicate that different strains of B. bifidus are not serologically uniform. 4. Although B. bifidus is a very pleomorphic organism, no evidence was obtained in the present work that it could be changed into an aerobic, spore-bearing bacillus. 5. The predominance of B. bifidus in the intestinal flora of breast-fed infants appears to be closely related to the high degree of acidity of the faeces of these infants. It is probable that the predominance of B. bifidus over other organisms is an important factor in preserving a healthy condition of the intestinal tract in the breast-fed infant.

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  • There has been a rich history of research into human-associated microbes since at least the late 19th century.

    “Indeed, there has been a rich history of research into human-associated microbes since at least the late 19 th century.”

    From Human microbiome myths and misconceptions (2023) · cites this paper as [2]

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  1. MORRIS, PORTER and MEYER (1919). Journ. Infect. Dis. xxv. 349. https://doi.org/10.1017/S0022172400008718 Published online by Cambridge University Press (25) NOGUCHI (1911). Journ. Exper. Med. xn. 182. \

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Authors
Cruickshank, R.
Affiliations
Western Infirmary (GB)
Corresponding author
Cruickshank, Robert
Venue
Epidemiology and Infection
Publisher
Cambridge University Press (CUP)
Published
1925-12
Volume
24
Issue
3-4
Pages
241-254
ISSN
  • 0950-2688 (ISSN-L)
  • 1469-4409
DOI
10.1017/s0022172400008718
PMC
PMC2167664
OpenAlex
W2074367478
Cited by
24
References
10
Citations by year
2025: 2 · 2023: 2 · 2017: 1
FWCI
0.00
Type
journal article
Language
en
Open access
Licence
www.cambridge.org/core/terms (unspecified, 30481 d)
Locations
  • Epidemiology and Infection (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Infant Nutrition and Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
Keywords
breast-fed infants, anaerobic growth, Gram-positive bacilli, serological variation, bacterial morphology, gut health

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