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Simultaneous isolation of two species, Brachyspira pilosicoli and Brachyspira aalborgi, from a patient with ulcerative colitis. 2018

Takuya Kanazawa, and Takahiro Takezawa, and Junichi Iwamoto, and Yoshikazu Adachi
School of Agriculture, Ibaraki University, 3-21-1 Ami, Ibaraki 300-0393, Japan.

We succeeded in the simultaneous isolation of Brachyspira (B.) aalborgi and B. pilosicoli from a patient with ulcerative colitis. B. pilosicoli grew quickly and formed colonies within 7 days, while the growth of B. aalborgi was very slow and took over 21 days. Simultaneous isolation of B. pilosicoli and B. aalborgi from a common specimen is generally recognized to be difficult, mainly due to differences in their growth requirements and the growth rates. However, we succeeded in isolating both species from a patient with ulcerative colitis and this is first evidence. The present results suggest that ulcerative colitis may be caused by simultaneous infection with B. pilosicoli and B. aalborgi.

UI MeSH Term Description Entries
D003093 Colitis, Ulcerative Inflammation of the COLON that is predominantly confined to the MUCOSA. Its major symptoms include DIARRHEA, rectal BLEEDING, the passage of MUCUS, and ABDOMINAL PAIN. Colitis Gravis,Idiopathic Proctocolitis,Inflammatory Bowel Disease, Ulcerative Colitis Type,Ulcerative Colitis
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D016133 Polymerase Chain Reaction In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships. Anchored PCR,Inverse PCR,Nested PCR,PCR,Anchored Polymerase Chain Reaction,Inverse Polymerase Chain Reaction,Nested Polymerase Chain Reaction,PCR, Anchored,PCR, Inverse,PCR, Nested,Polymerase Chain Reactions,Reaction, Polymerase Chain,Reactions, Polymerase Chain
D016905 Gram-Negative Bacterial Infections Infections caused by bacteria that show up as pink (negative) when treated by the gram-staining method. Bacterial Infections, Gram-Negative,Infections, Gram-Negative Bacterial,Bacterial Infection, Gram-Negative,Gram Negative Bacterial Infections,Gram-Negative Bacterial Infection,Infection, Gram-Negative Bacterial
D017400 Brachyspira A genus of spiral bacteria of the family Brachyspiraceae. Brachyspira innocens,Serpula innocens,Serpulina,Serpulina innocens,Treponema innocens

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