{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T20:02:42Z","timestamp":1790193762674,"version":"4.1.0"},"reference-count":43,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2020,2,12]],"date-time":"2020-02-12T00:00:00Z","timestamp":1581465600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,4,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Animals have precise recognition systems for amino acids and peptides that regulate their feeding behavior as well as metabolic responses. Because of their particular gastrointestinal structure, ruminants are expected to have unique mechanisms of amino acid regulation in the digestive tract. To better understand these mechanisms in the ruminant digestive tract, the expression of Tas1r3 and Pept1 was studied along the gastrointestinal tract of Japanese Black cattle through quantitative RT-PCR and immunohistochemistry. Tas1r3 mRNA was detected ubiquitously along the gastrointestinal tract, and the most predominant expression was observed in the reticulum. In addition, the presence of Tas1r3 receptor was confirmed in the rumen through immunohistochemistry. The expression level of Pept1 mRNA was higher in the forestomach (rumen, reticulum, and omasum) and small intestine (duodenum) than that in the tongue, and predominant expression was observed in the rumen. By contrast, a negligible amount of Pept1 mRNA was detected in the abomasum and large intestine. Further studies on the roles of Tas1r3 and Pept1 in the digestive tract, in particular, in the four components of the stomach, will help us to understand the mechanisms of amino acids regulation in ruminants and provide the basis for formulating cattle diets to improve the health and productivity of cattle.<\/jats:p>","DOI":"10.1093\/tas\/txaa019","type":"journal-article","created":{"date-parts":[[2020,2,12]],"date-time":"2020-02-12T05:03:25Z","timestamp":1581483805000},"page":"980-985","source":"Crossref","is-referenced-by-count":2,"title":["Expression of the Tas1r3 and Pept1 genes in the digestive tract of wagyu cattle"],"prefix":"10.1093","volume":"4","author":[{"given":"Weihong","family":"Fan","sequence":"first","affiliation":[{"name":"Graduate School of Natural Science and Technology, Gifu University, Yanagido, Gifu, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shoichiro","family":"Saito","sequence":"additional","affiliation":[{"name":"Faculty of Applied Biological Sciences, Gifu University, Yanagido, Gifu, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuichi","family":"Matsumura","sequence":"additional","affiliation":[{"name":"Faculty of Applied Biological Sciences, Gifu University, Yanagido, Gifu, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2020,2,12]]},"reference":[{"key":"2020072914270843900_CIT0001","doi-asserted-by":"crossref","first-page":"332","DOI":"10.1016\/S0016-5085(97)70112-4","article-title":"The oligopeptide transporter (Pept-1) in human intestine: biology and function","volume":"113","author":"Adibi","year":"1997","journal-title":"Gastroenterology"},{"key":"2020072914270843900_CIT0002","doi-asserted-by":"crossref","first-page":"339","DOI":"10.1016\/j.xphs.2015.11.024","article-title":"Interaction of peptide transporter 1 with","volume":"105","author":"Arakawa","year":"2016","journal-title":"J. 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