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. 2012 Sep 21;7(9):e45426. doi: 10.1371/journal.pone.0045426

Figure 3. The co-expression relationships among TAS2Rs.

Figure 3

(A) TAS2R13, TAS2R15, and TAS2R23 reside in different TAS2R gene clusters on chromosome 11. Almost all of the TAS2R15- and TAS2R23-positive TRCs were also positive for TAS2R13, whereas TAS2R15-positive TRCs partially overlapped with those expressing TAS2R23. n = 1 or 2 (numbers of sections ≥2). (B) When we compared the TRCs expressing TAS2Rs located on different chromosomes, almost all of the TRCs labeled with a mixed probe for TAS2R2-6 were also positive for TAS2R13, but they partially overlapped with the TRCs expressing TAS2R15 or TAS2R23. n = 1 or 2 (numbers of sections ≥2). (C) A Venn diagram illustrating the co-expression relationships among the TAS2Rs. Each TRC sensing bitter compounds expresses various combinations of TAS2Rs. Scale bar: 50 µm.