1986
DOI: 10.1016/s0889-1605(86)80006-4
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Absorption and transport of radioactive tracers in the midgut of the malaria mosquito, Anopheles stephensi

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Cited by 25 publications
(7 citation statements)
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“…This decrease was likely due to diuresis, dispersal of the radiolabeled peptides into the rest of the body, enzymatic degradation in the midgut and 125 I-tyrosine incorporation in newly synthesized proteins in other tissues. A similar trend was observed for 125 I-labeled BSA fed to A. stephensi where ~85% of radiolabeled material was lost in diuresis products by 48h after feeding (Schneider et al, 1986).…”
Section: Discussionsupporting
confidence: 72%
“…This decrease was likely due to diuresis, dispersal of the radiolabeled peptides into the rest of the body, enzymatic degradation in the midgut and 125 I-tyrosine incorporation in newly synthesized proteins in other tissues. A similar trend was observed for 125 I-labeled BSA fed to A. stephensi where ~85% of radiolabeled material was lost in diuresis products by 48h after feeding (Schneider et al, 1986).…”
Section: Discussionsupporting
confidence: 72%
“…Because mature ookinetes have not been formed at 12 h after a blood meal, this implies that the PM, although incomplete, is already present, when ookinetes start migration to the epithelium. On the contrary, it has been reported that PM is sometimes not found in A. stephensi (Schneider et al ., 1986). In our TEM observation, laminar structure of the PM was not observed clearly at 21 h after a blood meal.…”
Section: Discussionmentioning
confidence: 90%
“…However, when mosquitoes were fed a protein meal that had been partially digested by bovine trypsin (which mimics the activity of early trypsin) transcription of late trypsin occurred at control levels (Barillas-Mury et al, 1995). Interestingly, the mosquito also uses these free amino acids as building blocks for the synthesis of late trypsin as was shown by Schneider et al in 1986 when they observed radioactive amino acids being incorporated into the protease indicating that they may serve as a rate-limiting MSc Thesis -EK Pacey; McMaster University -Department of Biology 7 step in the production of the enzyme. This unique regulatory system allows mosquitoes to control whether or not they commit the energy to digesting a blood meal and lets them remove low-quality meals quickly and efficiently so that they are able to acquire a more nutritious meal in the near future.…”
Section: Trypsinmentioning
confidence: 97%