Interconversions of lipophorin particles by adipokinetic hormone in hemolymph of Panstrongylus megistus, Dipetalogaster maximus and Triatoma infestans (Hemiptera: Reduviidae)
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- 作者：Canavoso ; Liliá ; n E. ; Rubiolo ; Edilberto R.
- 关键词：Panstrongylus megistus ; Dipetalogaster maximus ; Triatoma infestans ; Lipophorins ; Adipokinetic hormone ; Fat body
- 刊名：Comparative Biochemistry and Physiology -- Part A: Physiology
- 出版年：1995
- 出版时间：September, 1995
- 年：1995
- 卷：112
- 期：1
- 页码：143-150
- 全文大小：815 K
文摘
Hemolymph of Panstrongylus megistus, Dipetalogaster maximus and Triatoma infestans (Hemiptera:Reduviidae), in the presence of adipokinetic hormone and fat bodies, has the molecular components for generating low density lipophorin (1.060-1.070 m ml−1) from high density lipophorin (1.130-1.140 g ml−1), similar to that observed in long-distance flight insects. Low density lipophorin showed a significant increase of acylglycerols and a higher amount of apolipophorin-III (mol.wt 18 kDa) with respect to the original fraction of the incubation media. This process was dependent upon the nutritional status of the insects, whose fat bodies with > 20 days of starvation had the highest levels of acylglycerols. Antiserum against high density lipophorin produced a single precipitation line when it reached by using Ouchterlony's test with high and low density lipophorins from the three species, and no reaction was observed with other lipophorins.
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