Table 3.

Repartition of the pseudogenes according to the presence/absence of an S. cerevisiae homolog, and their functional classification

Species	S.c. homolog with known function	S.c. homolog with unknown function	No S.c. homolog	transporter, periphery of the cella	Enzymesb
S. cerevisiae	37	31	9	11	15
C. glabrata	23	2	13	13	2
Z. rouxii	83	9	13	50	14
K. lactis	38	6	17	11	15
K. thermotolerans	42	6	20	13	11
S. kluyveri	78	10	29	33	19
D. hansenii	82	7	86	37	24
Y. lipolytica	117	6	107	26	38

S.c. is for S. cerevisiae.

^aNumber of pseudogenes with a homolog in S. cerevisiae coding for proteins involved in transport and/or acting at the periphery of the cell.

^bNumber of pseudogenes without homolog in S. cerevisiae coding for enzymes.