3/25/2023 0 Comments Con que pica el mosquito![]() ![]() For instance, susceptibility to chytridiomycosis in amphibians is associated with differences in skin microbiota composition ( Bates et al., 2018). The direct effect of skin microbiota on host health has been studied both in humans ( Cogen et al., 2008) and wildlife ( Williams et al., 2019). The skin is the largest organ in the body and the first barrier of interaction with the environment. Changes in composition of the microbiota can lead to physiological changes that will increase the risk of infection by opportunistic pathogens or impair the immune response ( Croswell et al., 2009). This protection is achieved by limiting pathogen adhesion to host cells ( Buffie and Pamer, 2013), competing for resources ( Kamada et al., 2012), or producing antimicrobial compounds ( Fukuda et al., 2011). In addition to their involvement in important host physiological processes like digestion and nutrient synthesis ( Cummings and Macfarlane, 1997), they modulate immune system development ( Round and Mazmanian, 2009 Bengmark, 2013) and offer protection against pathogens. These communities of symbiotic microorganisms consist of bacteria, archaea, fungi, and viruses, and are of significant importance to host health. In a world dominated by microorganisms, animals host diverse microbial communities on different body parts. I consider as well the factors that influence vertebrate skin microbiota composition, such as sex, genetic makeup, and infection status, and discuss the implications for pathogen transmission. In this mini review, I provide an overview of the current status of research on the interaction between mosquito behavior and host skin microbiota, both in humans and other vertebrates. Ultimately, the vector feeding preference of mosquitoes conditions the risk of vertebrates of coming into contact with a vector-borne pathogen, affecting its transmission, and thus epidemiology of vector-borne diseases. We know that host skin microbes play a major role in odor production and thus can affect the behavior of mosquitoes leading to differences in attraction to their hosts. For example, microbes can have an effect on animal chemistry, influencing animal behaviors mediated by chemical communication, such as mosquito attraction. However, host microbiota can change not only host behavior but also the behavior of other individuals or species toward the host. Most of these studies though focus on the direct effects microbiota has on its host, but they do not consider possible interactions with other individuals. The microbiota is increasingly recognized for its ability to influence host health and individual fitness through multiple pathways, such as nutrient synthesis, immune system development, and even behavioral processes. Departamento de Humedales, Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas, Sevilla, Spain. ![]()
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