Commensal bacteria coated by secretory immunoglobulin A and immunoglobulin G in the gastrointestinal tract of pigs and calves

Takeshi Tsuruta, Ryo Inoue, Takamitsu Tsukahara, Mitsunori Nakamoto, Hiroshi Hara, Kazunari Ushida, Takaji Yajima

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A large amount of secretory immunoglobulin A (S-IgA) is secreted in the alimentary tract of mammals. It has been reported that S-IgA coats a portion of commensal intestinal bacteria in human and mouse. However, S-IgA-coated bacteria have not been studied in pigs and calves. In this study, we evaluated the distribution of S-IgA-coated commensal intestinal bacteria in each portion of the gastrointestinal tracts of pigs and calves. Immunoglobulin G (IgG)-coated bacteria were also analyzed because a considerable amount of IgG is secreted in the gastrointestinal tracts of pigs, and in particular, calves. S-IgA- or IgG-coated bacteria were detected in all the segments of the gastrointestinal tracts of pigs and calves. The proportion of S-IgA-coated bacteria to total bacteria (i.e. S-IgA coating ratio) varied in the segments of the gastrointestinal tract in pigs, whereas those of calves were nearly the same throughout the gastrointestinal tract. The S-IgA and IgG coating ratios were higher in pigs than in calves for all segments of the gastrointestinal tract.

Original languageEnglish
Pages (from-to)799-804
Number of pages6
JournalAnimal Science Journal
Volume83
Issue number12
DOIs
Publication statusPublished - Dec 2012
Externally publishedYes

Fingerprint

Secretory Immunoglobulin A
immunoglobulin A
immunoglobulin G
gastrointestinal system
Gastrointestinal Tract
Swine
Immunoglobulin G
calves
Bacteria
swine
bacteria
intestinal microorganisms
coatings
Mammals
mammals
mice

Keywords

  • Calf
  • Commensal intestinal bacteria
  • Immunoglobulin G
  • Pig
  • Secretory immunoglobulin A

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

Commensal bacteria coated by secretory immunoglobulin A and immunoglobulin G in the gastrointestinal tract of pigs and calves. / Tsuruta, Takeshi; Inoue, Ryo; Tsukahara, Takamitsu; Nakamoto, Mitsunori; Hara, Hiroshi; Ushida, Kazunari; Yajima, Takaji.

In: Animal Science Journal, Vol. 83, No. 12, 12.2012, p. 799-804.

Research output: Contribution to journalArticle

Tsuruta, Takeshi ; Inoue, Ryo ; Tsukahara, Takamitsu ; Nakamoto, Mitsunori ; Hara, Hiroshi ; Ushida, Kazunari ; Yajima, Takaji. / Commensal bacteria coated by secretory immunoglobulin A and immunoglobulin G in the gastrointestinal tract of pigs and calves. In: Animal Science Journal. 2012 ; Vol. 83, No. 12. pp. 799-804.
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