Aedes Aegypti: Energetics of Osmoregulation
نویسنده
چکیده
1. Oxygen consumption of A. aegypti larvae, about 210 fi\ g" tissue wet weight h, does not change when the salinity of the environment is changed. 2. The number of mitochondria in the anal papillae, a salt-absorbing epithelium, increases as the external medium is diluted. 3. There is no difference in oxygen consumption between isolated anal papillae in o, 2 and 20% sea water. The papillae represent about 5 % of body volume and their oxygen consumption is about 2% of the animal's total. 4. The theoretical minimum energy cost of osmoregulation is four orders of magnitude smaller than the measured figure for the anal papillae alone. 5. Osmoregulatory phenomena which would explain the recorded observations are discussed.
منابع مشابه
Transmission of African Horse-Sickness by Means of Mosquito Bites and Replication of the Virus in Aedes aegypti
متن کامل
Characterization of dengue virus in Aedes aegypti and Aedes albopictus spp. of mosquitoes: A study in Khyber Pakhtunkhwa, Pakistan
Dengue is a vector-borne disease caused by dengue virus. According to the recent report of CDC that one-third population of the world are at high risk with Dengue fever. The prevalence of the dengue hemorrhagic fever was found more in tropical and sub-tropical regions of the world. Aedes mosquitoes was reported as the main cause of transmission of dengue virus. So the current study was planned ...
متن کاملPhylogenetic Analysis of Aedes aegypti Based on Mitochondrial ND4 Gene Sequences in Almadinah, Saudi Arabia
Background: Aedes aegypti is the main vector of the yellow fever and dengue virus. This mosquito has become the major indirect cause of morbidity and mortality of the human worldwide. Dengue virus activity has been reported recently in the western areas of Saudi Arabia. There is no vaccine for dengue virus until now, and the control of the disease depends on the control of the vector. Objectiv...
متن کامل