Strains - Strain Detail
Name
d20
Classification by phenotype
egg: shape & chorion(d)
Main phenotype
Spontaneous;length and width of egg 1.26 and 1.11 times of the normal egg, respectively, hatched larvae bigger and heavier; hatchability reduced: Ge2 allele larger egg size. Might be translocation of Esd on the W chromosome.
Symbol;Ge
Background
egg
Ge , PesS
larva
p3 , Amy-dn
pupa(cocoon)
adult
Notes
-
References
»
Please submit your publication
2 Hits
Author
Yamamoto K, Yamaguchi M.
Title
Differences in Prostaglandin E–Related Factors between Silkworm Strains [Lepidoptera: Bombycidae] Producing Small Eggs (d32) and Giant Eggs (d20)
Journal
J. Insect Biotechnol. Sericology 2021 90(1) 17-20
Author
Fujii T, Abe H, Kawamoto M, Banno Y, Shimada T.
Title
Positional cloning of the sex-linked giant egg (Ge) locus in the silkworm, Bombyx mori.
Journal
Insect Mol Biol 2015 24(2) 213-21
Images
Order
egg
larva
pupa
cocoon
adult
DNA
Larva period : 468.6 (hour)
1st instar
1st diapause
2nd instar
2nd diapause
3th instar
3th diapause
4th instar
4th diapause
5th instar
58.4
23.0
50.2
19.0
59.0
24.0
75.8
41.8
121.8
Feeding ability of artificial diets
(
Feeding ability of artificial diets
- Artificial diets produced by
{
N Corporation
K University
- - - Mulberry content
{
40%
60%
- Feeding rate
=
(Number of adult silkworms) ÷ (Number of silkworms at the beginning of rearing) × 100
Take a picture four days after the beginning of rearing → Count
)
Date
N Corporation.
K University.(40%)
K University.(60%)
Comment
2004
NO DATA
NO DATA
2007
/ 2
NO DATA
2010
/ 2
NO DATA
Average.