adult female mosquito
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2017 ◽  
Author(s):  
Tanwee Das De ◽  
Tina Thomas ◽  
Sonia Verma ◽  
Deepak Singla ◽  
Charu Rawal ◽  
...  

AbstractDecoding the molecular basis of host seeking and blood feeding behavioral evolution/adaptation in the adult female mosquito may provide an opportunity to design new molecular strategy to disrupt human-mosquito interactions. However, despite the great progress in the field of mosquito olfaction and chemo-detection, little is known that how the sex-specific specialization of the olfactory system enables adult female mosquitoes to derive and manage complex blood feeding associated behavioral responses. A comprehensive RNAseq analysis of prior and post blood meal olfactory system of An. culicifacies mosquito revealed that a minor but unique change in the nature and regulation of key olfactory genes play a pivotal role in managing diverse behavioral responses. Age dependent transcriptional profiling demonstrated that adult female mosquito’s chemosensory system gradually learned and matured to drive the host-seeking and blood feeding behavior at the age of 5-6 days. A zeitgeber time scale expression analysis of Odorant Binding Proteins (OBPs) unravels unique association with a late evening to midnight peak biting time. Blood meal-induced switching of unique sets of OBP genes and Odorant Receptors (ORs) expression coincides with the change in the innate physiological status of the mosquitoes. Blood meal follows up experiments provide enough evidence that how a synergistic and concurrent action of OBPs-ORs may drive ‘prior and post blood meal’ complex behavioral events. Finally, tissue-specific gene expression analysis and molecular modelling predicted two uncharacterized novel sensory appendages proteins (SAP-1 & SAP2) unique to An. culicifacies mosquito and may play a central role in the host-seeking behavior.SignificanceEvolution and adaptation of blood feeding behavior not only favored the reproductive success of adult female mosquito but also make them an important disease vectors. Immediately after emergence, an environmental exposure may favor the broadly tuned olfactory system of mosquitoes to derive complex behavioral responses. But, how these olfactory derived genetic factors manage female specific ‘pre and post’ blood meal associated complex behavioral responses are not well known. We unraveled synergistic actions of olfactory factors governs an innate to prime learning strategy to facilitate rapid blood meal acquisition and downstream behavioral activities. A species-specific transcriptional profiling and an in-silico analysis predict novel ‘sensory appendages protein’, as a unique target to design disorientation strategy against the mosquito Anopheles culicifacies.



Author(s):  
O. E. Jamieson ◽  
J. Moreland ◽  
D. Jamieson


2014 ◽  
Vol 7 (1) ◽  
Author(s):  
Carlos A Guerra ◽  
Robert C Reiner ◽  
T Alex Perkins ◽  
Steve W Lindsay ◽  
Janet T Midega ◽  
...  


Author(s):  
S. M. Niaz Arifin ◽  
Gregory J. Davis ◽  
Ying Zhou

In agent-based modeling (ABM), an explicit spatial representation may be required for certain aspects of the system to be modeled realistically. A spatial ABM includes landscapes in which agents seek resources necessary for their survival. The spatial heterogeneity of the underlying landscape plays a crucial role in the resource-seeking process. This study describes a previous agent-based model of malaria, and the modeling of its spatial extension. In both models, all mosquito agents are represented individually. In the new spatial model, the agents also possess explicit spatial information. Within a landscape, adult female mosquito agents search for two types of resources: aquatic habitats (AHs) and bloodmeal locations (BMLs). These resources are specified within different spatial patterns, or landscapes. Model verification between the non-spatial and spatial models by means of docking is examined. Using different landscapes, the authors show that mosquito abundance remains unchanged. With the same overall system capacity, varying the density of resources in a landscape does not affect abundance. When the density of resources is constant, the overall capacity drives the system. For the spatial model, using landscapes with different resource densities of both resource-types, the authors show that spatial heterogeneity influences the mosquito population.



2012 ◽  
Vol 5 (1) ◽  
pp. 92 ◽  
Author(s):  
Yuki Fukumitsu ◽  
Keiichi Irie ◽  
Tomomitsu Satho ◽  
Hitoshi Aonuma ◽  
Hamady Dieng ◽  
...  


2011 ◽  
Vol 3 (3) ◽  
pp. 17-34 ◽  
Author(s):  
S. M. Niaz Arifin ◽  
Gregory J. Davis ◽  
Ying Zhou

In agent-based modeling (ABM), an explicit spatial representation may be required for certain aspects of the system to be modeled realistically. A spatial ABM includes landscapes in which agents seek resources necessary for their survival. The spatial heterogeneity of the underlying landscape plays a crucial role in the resource-seeking process. This study describes a previous agent-based model of malaria, and the modeling of its spatial extension. In both models, all mosquito agents are represented individually. In the new spatial model, the agents also possess explicit spatial information. Within a landscape, adult female mosquito agents search for two types of resources: aquatic habitats (AHs) and bloodmeal locations (BMLs). These resources are specified within different spatial patterns, or landscapes. Model verification between the non-spatial and spatial models by means of docking is examined. Using different landscapes, the authors show that mosquito abundance remains unchanged. With the same overall system capacity, varying the density of resources in a landscape does not affect abundance. When the density of resources is constant, the overall capacity drives the system. For the spatial model, using landscapes with different resource densities of both resource-types, the authors show that spatial heterogeneity influences the mosquito population.



2007 ◽  
Vol 37 (2) ◽  
pp. 107-127 ◽  
Author(s):  
Bruno Arcà ◽  
Fabrizio Lombardo ◽  
Ivo M.B. Francischetti ◽  
Van My Pham ◽  
Montserrat Mestres-Simon ◽  
...  


BMC Genomics ◽  
2007 ◽  
Vol 8 (1) ◽  
Author(s):  
José MC Ribeiro ◽  
Bruno Arcà ◽  
Fabrizio Lombardo ◽  
Eric Calvo ◽  
Van My Phan ◽  
...  


2004 ◽  
Vol 34 (6) ◽  
pp. 543-563 ◽  
Author(s):  
José M.C. Ribeiro ◽  
Rosane Charlab ◽  
Van My Pham ◽  
Mark Garfield ◽  
Jesus G. Valenzuela


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