Sour taste: receptors, cells and circuits.

Sour taste: receptors, cells and circuits.
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DOI:
10.1016/j.cophys.2020.12.006
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发表时间:
2021-04
影响因子:
2.5
通讯作者:
Kinnamon SC
Kinnamon SC
中科院分区:
其他
文献类型:
--
作者:
Liman ER;Kinnamon SC

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由低pH值引起的酸味是最初的四种基本味觉品质之一,几个世纪以来被认为是一种独特的味觉,并且在不同的物种中普遍令人厌恶。一般认为它是为了检测未成熟水果和变质食物中的酸而进化的。但是,尽管经过了几十年的研究,直到最近才确定了受体,神经递质和酸味的回路。在这篇综述中,我们描述的研究导致识别的酸性受体OTOP 1,离子通道,是选择性渗透质子。我们还描述了我们对信息如何从味觉受体细胞传递到味觉神经元的理解的进展,从而导致对酸的行为厌恶。
Sour taste, which is evoked by low pH, is one of the original four fundamental taste qualities, recognized as a distinct taste sensation for centuries, and universally aversive across diverse species. It is generally assumed to have evolved for detection of acids in unripe fruit and spoiled food. But despite decades of study, only recently have the receptor, the neurotransmitter, and the circuits for sour taste been identified. In this review, we describe studies leading up to the identification of the sour receptor as OTOP1, an ion channel that is selectively permeable to protons. We also describe advances in our understanding of how information is transmitted from the taste receptor cells to gustatory neurons, leading to behavioral aversion to acids.
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