نتایج جستجو برای: Locusta migratoria

تعداد نتایج: 951  

ژورنال: :گیاه پزشکی 0
یداله خواجه زاده استادیار پژوهش مرکز تحقیقات کشاورزی و منابع طبیعی خوزستان پروانه آزمایش فرد استاد دانشکده کشاورزی کرج

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Journal: :Journal of neurophysiology 2015
Ana C Silva Glyn A McMillan Cristina P Santos John R Gray

An increasing number of studies show how stimulus complexity affects the responses of looming-sensitive neurons across multiple animal taxa. Locusts contain a well-described, descending motion-sensitive pathway that is preferentially looming sensitive. However, the lobula giant movement detector/descending contralateral movement detector (LGMD/DCMD) pathway responds to more than simple objects ...

Journal: :Bioscience, biotechnology, and biochemistry 2010
Miki Matsui Takuya Tashiro Mitsuru Sasaki Hirosato Takikawa

A concise synthesis of (1S*,3R*,6R*)-1-hydroxy-7(14),10-bisaboladien-4-one, an antifeedant against the locust Locusta migratoria isolated from the Japanese cedar Cryptomeria japonica, was achieved by starting from 4-hydroxy-2-cyclohexenone.

2013
Heinz Rembold Klaus-Peter Sieber

Locusta migratoria, Azadirachta indica, Ecdysteroids, Azadirachtin, Ovary The sterilizing effect of azadirachtin, an insect growth regulator from the neem tree, Azadirachta indica A. Juss, was tested with mature females of Locusta migratoria. After a single injection of 10 |ig into females between 2 and 13 days after emergence, about 60% died during the following four days and all lost weight i...

Journal: :Endocrinology 2003
Elke Clynen Jurgen Huybrechts Geert Baggerman Jan Van Doorn Dick Van Der Horst Arnold De Loof Liliane Schoofs

A mass spectrometric study of the peptidome of the neurohemal part of the corpora cardiaca of Locusta migratoria and Schistocerca gregaria shows that it contains several unknown peptides. We were able to identify the sequence of one of these peptides as pQSDLFLLSPK. This sequence is identical to the part of the Locusta insulin-related peptide (IRP) precursor that is situated between the signal ...

2013
Hans-Peter Stupp Martin G. Peter

Insect Haemolymph, Hormone Binding Proteins, Juvenile Hormone, Photoaffinity Labelling, Manduca sexta, Locusta migratoria Juvenile hormone III, i.e. methyl 10,1 l-epoxy-3,7-dimethyl-2£’,6£'-dodecadienoate, was used for photoaffinity labelling of JH-binding proteins. Irradiation of haemolymph from Manduca sexta and Locusta migratoria in the presence of racemic [10-3H]JH-III results in covalent i...

Journal: :Vision Research 2007
Richard P. Berry Eric J. Warrant Gert Stange

The dorsal ocelli are commonly considered to be incapable of form vision, primarily due to underfocused dioptrics. We investigate the extent to which this is true of the ocelli of the locust Locusta migratoria. Locust ocelli contain thick lenses with a pronounced concavity on the inner surface, and a deep clear zone separating retina and lens. In agreement with previous research, locust ocellar...

2012
Meltem KUMAŞ Hatice KARAKİŞİ

Th e frontal ganglion plays a critical role in insect feeding and molting-related behaviors. It is present in all insect orders at all developmental stages. In this study, the histological development of the frontal ganglion of Locusta migratoria, the African migratory locust, was investigated. Ganglia were dissected at 3 distinct developmental stages and their histological structure was evalua...

Journal: :The Journal of experimental biology 1995
Patel Hayes Coast

Locusta-DP is a corticotropin-releasing factor (CRF)-related diuretic peptide isolated from the migratory locust Locusta migratoria. At nanomolar concentrations, synthetic Locusta-DP stimulated fluid secretion and cyclic AMP production by Malpighian tubules isolated in vitro and increased the rate of amaranth clearance in starved locusts to levels comparable with those observed during post-feed...

Journal: :Histology and histopathology 1998
J Molina I Martínez-Flores C Templado M García J Egozcue

We describe the synaptic process during meiotic prophase in spermatocytes from Locusta migratoria, using synaptonemal complex (SC) spreads analyzed by light (LM) and electron (EM) microscopy. At leptotene, a stage of short duration, unpaired axial elements begin to be assembled. Synapsis starts at zygotene, beginning usually at the terminal regions of the bivalents, either at the proximal, cent...

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