Auts2, or FBRSL2, Fibrosin-1-like protein 2, is a family of eukaryotic proteins associated both with a susceptibility to autism [1] and with influencing the number of corpora lutea produced by breeding sows [2].

1: Identification of a novel gene on chromosome 7q11.2 interrupted by a translocation breakpoint in a pair of autistic twins. Sultana R, Yu CE, Yu J, Munson J, Chen D, Hua W, Estes A, Cortes F, de la Barra F, Yu D, Haider ST, Trask BJ, Green ED, Raskind WH, Disteche CM, Wijsman E, Dawson G, Storm DR, Schellenberg GD, Villacres EC; Genomics. 2002;80:129-134. PMID:12160723

2: Characterization of porcine autism susceptibility candidate 2 as a candidate gene for the number of corpora lutea in pigs. Sato S, Hayashi T, Kobayashi E; Anim Reprod Sci. 2011;126:211-220. PMID:21641132