BIOMAT Database Logo BIOMAT Database Logo

Aquaporin homologs and water transport in the anal papillae of the larval mosquito, Aedes aegypti. 2012

Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
Department of Biology, York University, Toronto, ON, Canada.

The hemolymph osmolarity of the freshwater mosquito larvae (Aedes aegypti) is greater than that of their habitat. To combat the influx of water, larvae cycle water entering through the gut and anal papillae to the Malpighian tubules for secretion. The presence of aquaporins (AQPs, water channels) may facilitate the movement of water across these tissues. Tissue distribution of mRNA transcripts of putative aquaporins from mosquito larvae, using quantitative PCR, revealed expression of transcripts in the Malpighian tubules and anal papillae. Four putative aquaporin transcripts are expressed in the Malpighian tubules and provide a basis for further work aimed at discovering the elusive water transporters functioning during diuresis. Transcripts of putative AQPs (AaAQP4 and AaAQP1b) are expressed in the anal papillae. Immunoreactivity to a human AQP1-antibody was found in the anal papillae and mercury inhibits tritiated water uptake in isolated anal papillae. Together, the results suggest that AQP(s) could be responsible for facilitating water transport at the papillae epithelium.

UI MeSH Term Description Entries
D007413 Intestinal Mucosa Lining of the INTESTINES, consisting of an inner EPITHELIUM, a middle LAMINA PROPRIA, and an outer MUSCULARIS MUCOSAE. In the SMALL INTESTINE, the mucosa is characterized by a series of folds and abundance of absorptive cells (ENTEROCYTES) with MICROVILLI. Intestinal Epithelium,Intestinal Glands,Epithelium, Intestinal,Gland, Intestinal,Glands, Intestinal,Intestinal Gland,Mucosa, Intestinal
D007814 Larva Wormlike or grublike stage, following the egg in the life cycle of insects, worms, and other metamorphosing animals. Maggots,Tadpoles,Larvae,Maggot,Tadpole
D008317 Malpighian Tubules Slender tubular or hairlike excretory structures found in insects. They emerge from the alimentary canal between the mesenteron (midgut) and the proctodeum (hindgut). Malpighian Tubule,Tubule, Malpighian,Tubules, Malpighian
D008627 Mercuric Chloride Mercury chloride (HgCl2). A highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant. Mercury Dichloride,Corrosive Sublimate,HgCl2,Mercuric Perchloride,Mercury Bichloride,Mercury Perchloride,Sublimate,Bichloride, Mercury,Chloride, Mercuric,Dichloride, Mercury,Perchloride, Mercuric,Perchloride, Mercury,Sublimate, Corrosive
D009928 Organ Specificity Characteristic restricted to a particular organ of the body, such as a cell type, metabolic response or expression of a particular protein or antigen. Tissue Specificity,Organ Specificities,Specificities, Organ,Specificities, Tissue,Specificity, Organ,Specificity, Tissue,Tissue Specificities
D004231 Diuresis An increase in the excretion of URINE. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Diureses
D000330 Aedes A genus of mosquitoes (CULICIDAE) frequently found in tropical and subtropical regions. YELLOW FEVER and DENGUE are two of the diseases that can be transmitted by species of this genus. Aede
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001003 Anal Canal The terminal segment of the LARGE INTESTINE, beginning from the ampulla of the RECTUM and ending at the anus. Anal Gland, Human,Anal Sphincter,Anus,Anal Gland,Anal Glands, Human,Detrusor External Sphincter,External Anal Sphincter,Internal Anal Sphincter,Anal Sphincter, External,Anal Sphincter, Internal,Anal Sphincters,Detrusor External Sphincters,External Anal Sphincters,Human Anal Gland,Human Anal Glands,Internal Anal Sphincters,Sphincter, Anal,Sphincter, Detrusor External,Sphincter, External Anal,Sphincter, Internal Anal,Sphincters, Anal
D001692 Biological Transport The movement of materials (including biochemical substances and drugs) through a biological system at the cellular level. The transport can be across cell membranes and epithelial layers. It also can occur within intracellular compartments and extracellular compartments. Transport, Biological,Biologic Transport,Transport, Biologic

Related Publications

Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
Salinity responsive aquaporins in the anal papillae of the larval mosquito, Aedes aegypti.
January 2017, Comparative biochemistry and physiology. Part A, Molecular & integrative physiology,
Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
Pharmacological characterisation of apical Na+ and Cl- transport mechanisms of the anal papillae in the larval mosquito Aedes aegypti.
December 2011, The Journal of experimental biology,
Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
Changing salinity induces alterations in hemolymph ion concentrations and Na+ and Cl- transport kinetics of the anal papillae in the larval mosquito, Aedes aegypti.
March 2007, The Journal of experimental biology,
Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
Aedes aegypti Rhesus glycoproteins contribute to ammonia excretion by larval anal papillae.
February 2017, The Journal of experimental biology,
Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
Active sodium and chloride transport by anal papillae of a salt water mosquito larva (Aedes campestris).
April 1969, Nature,
Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
Ultrastructure of the anal papillae of a salt-water mosquito larva, Aedes campestris.
June 1973, Journal of insect physiology,
Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
Voltage-gated ion channels are expressed in the Malpighian tubules and anal papillae of Yellow Fever mosquito Aedes aegypti and may regulate ion transport during salt and water imbalance.
January 2024, The Journal of experimental biology,
Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
The Aquaporin gene family of the yellow fever mosquito, Aedes aegypti.
December 2010, PloS one,
Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
Adaptation of Aedes aegypti to salinity: Characterized by larger anal papillae in larvae.
January 2018, Journal of vector borne diseases,
Jesmilavathani Marusalin, and Brieanne J Matier, and Mark R Rheault, and Andrew Donini
The fine-structural changes observed in the rectal papillae of the mosquito Aedes aegypti, L. and their relation to epithelial transport of water and inorganic ions.
February 1967, Journal. Royal Microscopical Society (Great Britain),
Copied contents to your clipboard!