DYNAMICS OF ECDYSONE SECRETION AND ACTION IN THE FLESHFLY SARCOPHAGA PEREGRINA
نویسندگان
چکیده
منابع مشابه
Identification of storage-protein messenger RNA of the fleshfly Sarcophaga peregrina.
Storage-protein mRNA was found to be abundant in poly(A)-containing RNA extracted from the fat-body of third-instar larvae of Sarcophaga peregrina (fleshfly). This RNA sedimented at the position of 19S on sucrose-density-gradient centrifugation and the product of its translation in vitro was 75K protein (protein of mol.wt. 75 000), which was precipitated specifically with antibody against stora...
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Two pupariation factors, anterior retraction factor (ARF) and puparium tanning factor (PTF), are absent from the hemolymph of larvae at the time of tanning accelerated by ARF/PTF, cyclic AMP, or dopamine. ARF and PTF are not involved in derepression of dopa decarboxylase (aromatic L-amino-acid decarboxylase, aromatic L-amino-acid carboxy-lyase, EC 4.1.1.28) synthesis initiated by ecdysone. Tann...
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امروزه سالیتون ها بعنوان امواج جایگزیده ای که تحت شرایط خاص بدون تغییر شکل در محیط منتشر می-شوند، زمینه مطالعات گسترده ای در حوزه اپتیک غیرخطی هستند. در این راستا توجه به پدیده پراش گسسته، که بعنوان عامل پهن شدگی باریکه نوری در آرایه ای از موجبرهای جفت شده، ظاهر می گردد، ضروری است، زیرا سالیتون های گسسته از خنثی شدن پراش گسسته در این سیستم ها بوسیله عوامل غیرخطی بوجود می آیند. گسستگی سیستم عامل...
Sugar receptor specificity in the fleshfly, Sarcophaga bullata.
The sugar receptor of insects is a useful preparation for studies of receptor specificity compared to the more complex sensors of vertebrates. Unlike the vertebrates, insects appear to respond behaviorally only to carbohydrates. Von Frisch v and Dethier a using the honey bee, Apis mellifera, and the blowfly, Phormia regina, respectively, were able to make inferences concerning a common structur...
متن کاملMolecules participating in insect immunity of Sarcophaga peregrina
Pricking the body wall of Sarcophaga peregrina (flesh fly) larvae with a needle activated the immune system of this insect and induced various immune molecules, including antibacterial proteins, in the hemolymph. In this review, I summarize and discuss the functions of these immune molecules, with particular emphasis on the dual roles of some of these molecules in defense and development.
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ژورنال
عنوان ژورنال: The Biological Bulletin
سال: 1968
ISSN: 0006-3185,1939-8697
DOI: 10.2307/1539785