Beta-Arrestin Functionally Regulates the Non-Bleaching Pigment Parapinopsin in Lamprey Pineal Kawano-Yamashita, Emi ; Koyanagi, Mitsumasa ; Shichida, Yoshinori ; Oishi, Tadashi ; Tamotsu, Satoshi ; Terakita, Akihisa Abstract Publication: PLoS ONE Pub Date: January 2011 DOI: 10.1371/journal.pone.0016402 Bibcode: 2011PLoSO...616402K