129是一个小鼠的近交品系,通常被分为四种,根据命名规则分别在129后面添加字母P、S、T。: N% {: u% a0 b) V$ I0 D* r( m# x8 e
P的意思是parent,释义为129 strains derived from the original parent strain; * v W2 b( q7 t. l3 Q: v( `1 z7 RS的意思是steel,释义为129 strains derived from a congenic strain made by outcrossing to introduce the steel mutation;: U# V. a4 d# x% K- G
T的意思是teratoma,释义为129 strains derived from the 129 congenic that originally carried the teratoma mutation。 $ Z, B1 c8 ~7 L$ D还有一类是X,即 genetically-contaminated。 5 }2 b4 f/ j. D: `字母后面的数字是为了区分亲本的世系。! j2 y. V9 @3 v
给你两个网址,分别介绍了129小鼠的特性以及命名规则。9 r+ e5 L+ K) t1 C9 x O6 V. d
http://www.informatics.jax.org/external/festing/mouse/docs/129.shtml ' O+ h3 d0 E! k! Lhttp://www.informatics.jax.org/mgihome/nomen/strain_129.shtml