MAHMOUD, S., EL-SHAFEI, A., MOUSTAFA, A., EL-BANNA, A., MOUSTAFA, M. (2013). ENZYMATIC ACTIVITY OF THE SILKWORM, BOMBYX MORI L. HEAMOLYMPH REARED ON DIFFERENT MULBERRY VARIETIES. Egyptian Journal of Agricultural Research, 91(4), 1407-1413. doi: 10.21608/ejar.2013.165558
SOUAD M. MAHMOUD; AKILA M. EL-SHAFEI; AMR A. MOUSTAFA; ATEF A. EL-BANNA; MARWA N. MOUSTAFA. "ENZYMATIC ACTIVITY OF THE SILKWORM, BOMBYX MORI L. HEAMOLYMPH REARED ON DIFFERENT MULBERRY VARIETIES". Egyptian Journal of Agricultural Research, 91, 4, 2013, 1407-1413. doi: 10.21608/ejar.2013.165558
MAHMOUD, S., EL-SHAFEI, A., MOUSTAFA, A., EL-BANNA, A., MOUSTAFA, M. (2013). 'ENZYMATIC ACTIVITY OF THE SILKWORM, BOMBYX MORI L. HEAMOLYMPH REARED ON DIFFERENT MULBERRY VARIETIES', Egyptian Journal of Agricultural Research, 91(4), pp. 1407-1413. doi: 10.21608/ejar.2013.165558
MAHMOUD, S., EL-SHAFEI, A., MOUSTAFA, A., EL-BANNA, A., MOUSTAFA, M. ENZYMATIC ACTIVITY OF THE SILKWORM, BOMBYX MORI L. HEAMOLYMPH REARED ON DIFFERENT MULBERRY VARIETIES. Egyptian Journal of Agricultural Research, 2013; 91(4): 1407-1413. doi: 10.21608/ejar.2013.165558
ENZYMATIC ACTIVITY OF THE SILKWORM, BOMBYX MORI L. HEAMOLYMPH REARED ON DIFFERENT MULBERRY VARIETIES
1Sericulture Research Department, Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt.
2Department of Entomology, Faculty of Science, Ain Shams University, Cairo, Egypt.
3Biochemistry Department, Faculty of Agriculture, Cairo University, Giza, Egypt.
Abstract
The effect of feeding the silkworm Bombyx mori L. on six different mulberry variety Morus alba var. Kokuso-27, Sh2 x Lunlog, Kaeryang- ppong, Kanava-2, Leavigata, and Morus nigra var. Arandaly on some enzymatic activities which affect silk production was studied3-Phosphoglycerate Dehydrogenase (3-PGD, Glutamic Oxaloacetic Transaminase (GOT) and Glutamate Pyruvic Transaminase (GPT) which play a vital role in the synthesis of silk protein were determined. Results indicated that feeding silkworm larvae on Morus alba var. Kokuso-27 represented the highest rate of 3-PGD activity (6.14 u/mg) followed by Sh2xLunlog variety (5.76 u/mg) and Arandaly (4.2 u/mg) while, slight differences in 3-PGD activity was found between the other three varieties. The same with GPT enzyme, the mulberry varieties Morus alba var Kokuso-27 followed by Sh2xLunlong fed to larvae resulted in a high rate (5.21, 4.38 U/L), respectively. However, Kanava-2 recorded higher value of GOT followed by Leavigata (11.16 and 9.82U/L), respectively