Table 2.

Astacin expression summarized by tissue

tissue	No of genes	genes
no expression	8	nas-8, 10, 17, 18, 20, 24, 29, 38
Major tissues
intestine	16	nas-2, 3, 6, 7, 11, 16, 19, 21, 23, 26, 27, 28, 30, 33, 35, 37, 39
hypodermis (major hyp)	10	nas-6, 7, 9, 11, 21, 23, 26, 27, 35, 37
muscle (pharynx)	10	nas-1, 3, 6, 7, 14, 15, 19, 23, 28, 32, 39
muscle (other)	3	nas-6, 32, 39
neurons	3	nas-3, 13, 32,39
reproductive system (gonad, spermatheca, uterus)	5	nas-7, 9, 19, 21, 26
glands (pharyngeal, rectal)	5	nas-3, 5, 12, 19, 25
Interfacial epithelial cells
rectal epithelium	6	nas-7, 23, 26, 27, 35, 37
vulva epithelium	5	nas-7, 26, 27, 35, 37
pharyngeal marginal cells	9	nas-1, 4, 5, 6, 7, 14, 15, 19, 25
other interfacial cells
arcade cells	4	nas-1, 3, 7, 26,
sensory sheath and socket cells	5	nas-3, 11, 26, 31, 35,
uterine-seam attachment	3	nas-5, 21, 22
excretory duct cell	1	nas-35