ISOLATION AND STRUCTURE OF DIAPAUSE HORMONE OF THE SILKWORM, BOMBYX-MORI

被引:198
作者
IMAI, K
KONNO, T
NAKAZAWA, Y
KOMIYA, T
ISOBE, M
KOGA, K
GOTO, T
YAGINUMA, T
SAKAKIBARA, K
HASEGAWA, K
YAMASHITA, O
机构
[1] NAGOYA UNIV,SCH AGR,SERICULTURAL SCI LAB,CHIKUSA KU,NAGOYA 46401,JAPAN
[2] NAGOYA UNIV,SCH AGR,ORGAN CHEM LAB,CHIKUSA KU,NAGOYA 46401,JAPAN
[3] MIE UNIV,FAC BIORESOURCES,CHEMURGY LAB,TSU,MIE 514,JAPAN
来源
PROCEEDINGS OF THE JAPAN ACADEMY SERIES B-PHYSICAL AND BIOLOGICAL SCIENCES | 1991年 / 67卷 / 06期
关键词
DIAPAUSE HORMONE; PEPTIDE; AMINO ACID SEQUENCE; SUBESOPHAGEAL GANGLION; BOMBYX-MORI;
D O I
10.2183/pjab.67.98
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The embryonic diapause of the silkworm, Bombyx mori is induced by a neuropeptide hormone, diapause hormone, which is secreted from the suboesophageal ganglion. About 55,000 complexes of the suboesophageal ganglion and the first thoracic ganglion were dissected out from day 1 pupae of silkworms. The hormone was extracted with hot water and purified by a reverse-phase high performance liquid chromatography on a TSK gel octadecyl-4PW column. The second chromatography gave a single symmetric peak and the isolated hormone induced diapause in 20% eggs at a dose of 1.5 ng/pupa. Diapause hormone has 24 amino acid residues and a molecular weight of 2645. The synthesized peptide with a carboxyl terminal as amide form exhibited the same behavior on HPLC and similar activity as the natural hormone.
引用
收藏
页码:98 / 101
页数:4
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