Title
Mass spectrometric evidence for the deficiency in the dark-color-inducing hormone, [<tex>$His^{7}$</tex>]-corazonin in an albino strain of **Locusta migratoria** as well as for its presence in solitary **Schistocerca gregaria** Mass spectrometric evidence for the deficiency in the dark-color-inducing hormone, [<tex>$His^{7}$</tex>]-corazonin in an albino strain of **Locusta migratoria** as well as for its presence in solitary **Schistocerca gregaria**
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
New York ,
Subject
Chemistry
Biology
Human medicine
Source (journal)
Archives of insect biochemistry and physiology. - New York
Volume/pages
47(2001) :3 , p. 150-160
ISSN
0739-4462
ISI
000169584300004
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
A factor present in the brain and corpus cardiacum responsible for the induction of dark colour in Locusta migratoria was recently isolated and identified from the corpora cardiaca of normally pigmented locusts. The purification of this factor, designated as [His(7)]-corazonin was monitored using an albino mutant from a laboratory colony of an Okinawa (Japan) strain. In this study, we provide unequivocal mass spectrometric evidence that the brain and the corpora cardiaca of this albino Locusta mutant are deficient in [His(7)]-corazonin. Previously, [His(7)]-corazonin was shown to be responsible for the induction of dark body colour patterns as observed in crowded locusts. Using nanoflow-liquid chromatography-mass spectrometry, we demonstrated that this dark colour-inducing hormone is, however, present in the corpora cardiaca of solitary locusts (Schistocerca gregaria). (C) 2001 Wiley-Liss, Inc.
E-info
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