Reception and transmission of taste information in type ii and type ie taste bud cells

Ryusuke Yoshida, Mayu Niki, Yoshihiro Murata, Noriatsu Shigemura, Yuzo Ninomiya

研究成果: ジャーナルへの寄稿評論記事

抄録

Gustatory information processing begins with taste bud cells,astr which are activated by sapid molecules via specific taste receptors and transmit their signals to gustatory afferent fibers. Taste bud cells are morphologically classified into 4 groups (Type I -IV cells), two of which are involved in gustatory sig-naling. Type II cells express sweet, bitter, and umami taste receptors and transduction components and respond best to sweet, bitter, or umami stimuli, suggesting that sweet, bitter, and umami tastes are detected by different sets of Type II cells. Type m cells express putative sour taste receptors and respond to sour or multiple taste stimuli, indicating that sour tastes are mediated by Typem cells. These data suggest that each taste quality could be discriminated among taste bud cells. Type II cells do not possess a conventional synaptic structure but they release ATP in response to taste stimuli. Typem cells have a synaptic structure and they release serotonin and norepinephrine but not ATP. Therefore, each taste cell may use distinct mechanisms and transmitters for signal transmission to gustatory nerve fibers.

元の言語英語
ページ(範囲)358-364
ページ数7
ジャーナルjournal of oral biosciences
52
発行部数4
DOI
出版物ステータス出版済み - 1 1 2010

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Taste Buds
Adenosine Triphosphate
Fibers
Transmitters
Serotonin
Norepinephrine
Molecules
Automatic Data Processing
Nerve Fibers

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Dentistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)

これを引用

Reception and transmission of taste information in type ii and type ie taste bud cells. / Yoshida, Ryusuke; Niki, Mayu; Murata, Yoshihiro; Shigemura, Noriatsu; Ninomiya, Yuzo.

:: journal of oral biosciences, 巻 52, 番号 4, 01.01.2010, p. 358-364.

研究成果: ジャーナルへの寄稿評論記事

Yoshida, Ryusuke ; Niki, Mayu ; Murata, Yoshihiro ; Shigemura, Noriatsu ; Ninomiya, Yuzo. / Reception and transmission of taste information in type ii and type ie taste bud cells. :: journal of oral biosciences. 2010 ; 巻 52, 番号 4. pp. 358-364.
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