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Role of phospholipids in the lipophorin particles of Rhodnius prolixus

✍ Scribed by Dr. Katia Calp Gondim; GeóRgia CorrěA Atella; Hatisaburo Masuda; John K. Kawooya

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
623 KB
Volume
20
Category
Article
ISSN
0739-4462

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Transfer of phospholipids from fat body
Transfer of phospholipids from fat body to lipophorin in Rhodnius prolixus
✍ Geórgia Corrêa Atella; Katia Calp Gondim; Hatisaburo Masuda 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 958 KB

32P-Labeled fat bodies (32P-fat bodies) of Rhodnius prolixus females were incubated in the presence of nonradioactive purified lipophorin and the release of radioactivity to the medium was analysed to answer the question of whether lipophorin is a reusable shuttle for phospholipids. The radioactivit

Characterization and immunocytochemical
Characterization and immunocytochemical localization of lipophorin binding sites in the oocytes of Rhodnius prolixus
✍ Ednildo A. Machado; Geórgia C. Atella; Kátia C. Gondim; Wanderley de Souza; Hati 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 757 KB

Purified lipophorin, metabolically labelled with 32P exclusively in the phospholipid moiety, was used to study the process of phospholipid delivery to the oocyte. The kinetics of phospholipid transfer "in vitro," from lipophorin to the oocytes, was linear at least up to 4 h and was impaired by low t

Ecto-nucleotidase activities in the fat
Ecto-nucleotidase activities in the fat body of Rhodnius prolixus
✍ Petter F. Entringer; Katia C. Gondim; José R. Meyer-Fernandes 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 127 KB

In this study, we describe the ability of intact fat body of an insect, Rhodnius prolixus, to hydrolyze extracellular ATP. In these fat bodies, the ATP hydrolysis was low in the absence of any divalent metal, and was stimulated by MgCl(2). Both activities (in the absence or presence of MgCl(2)) were