Cryptic species can present a significant challenge to the application of systematic and
biogeographic principles, especially if they are invasive or transmit parasites or pathogens. …

A molecular tool described here allows in one step for specific discrimination among three
cryptic freshwater snail species (genus Galba) involved in fasciolosis transmission, a …

Chagas disease is a parasitic disease caused by the protozoan parasite Trypanosoma cruzi
and about 230,000 persons are estimated to be infected in Ecuador. However, limited …

The 2019 novel coronavirus pandemic (COVID-19) is an international public health emergency
unprecedented in modern history 1 1. World Health Organization. Novel coronavirus (…

Studies on serotonin-selective reuptake inhibitors have established that disturbances in the
ascending 5-HT neuron systems and their 5-HT receptor subtypes and collateral networks to …

The introduction of allosteric receptor–receptor interactions in G protein-coupled receptor (GPCR)
heteroreceptor complexes of the central nervous system (CNS) gave a new dimension …

Ecuador was an early COVID-19 hotspot with substantial COVID-19-mortality. In developed
countries, low socioeconomic status is associated with COVID-19 infection and low …

Extrasynaptic neurotransmission is an important short distance form of volume transmission
(VT) and describes the extracellular diffusion of transmitters and modulators after synaptic …

Rationale An important goal of addiction research is to discover neurobiological markers that
could predict the severity of addiction and help to determine appropriate treatment. Brain-…

The ascending midbrain 5-HT neurons known to contain 5-HT1A autoreceptors may be
dysregulated in depression due to a reduced trophic support. With in situ proximity ligation assay …