Table 1. Genes involved in pairing and synapsis.

Gene symbol	Common name (homolog)	Functiona	References
klaroid	SUN domain protein	Inner nuclear membrane protein	Christophorou et al. (2015)
klarsicht	KASH domain	Outer nuclear member protein	Christophorou et al. (2015)
dhc	Dynein heavy chain	Minus-end-directed motor	Christophorou et al. (2015)
Chromosome axis
smc1	Smc1	Core cohesion component	Khetani and Bickel (2007); Gyuricza et al. (2016)
smc3	Smc3	Core cohesion component	Khetani and Bickel (2007); Gyuricza et al. (2016)
ord		Cohesion: Ord complex	Bickel et al. (1996), (2002); Gyuricza et al. (2016)
sunn	Stromalin-related	Cohesion: Ord complex	Krishnan et al. (2014); Gyuricza et al. (2016)
solo		Cohesion: Ord complex	Yan and McKee (2013); Gyuricza et al. (2016)
SA	Stromalin	Cohesion: C(2)M complex	Gyuricza et al. (2016)
NipB	SCC2	Cohesion: C(2)M complex	Gyuricza et al. (2016)
rad21/vtd	SCC1	Cohesion	Urban et al. (2014)
SC lateral element
c(2)M		Kleisin-like protein; cohesion: C(2)M complex	Manheim and McKim (2003); Heidmann et al. (2004); Gyuricza et al. (2016); Cahoon et al. (2017)
SC central region
c(3)G	Zip1/SCP1	Transverse filament	Hall (1972); Page and Hawley (2001); Cahoon et al. (2017)
corolla		Transverse filament-like protein	Collins et al. (2014); Cahoon et al. (2017)
cona		Central element	Page et al. (2008); Lake and Hawley (2012); Cahoon et al. (2017)

SUN, Sad1p, UNC-84; KASH, Klarsicht, ANC-1, Syne homology; SC, synaptonemal complex.

^aMost likely function based on genetic, biochemical, or cytological data.