Gabriel Luz Wallau

The paper identifies two new bat coronavirus subgenera and potential species from Neotropical bats using metatranscriptomic sequencing and phylogenetic analysis.

The paper presents the first chromosome-level nuclear genome of Simulium vittatum, linking cytogenetic features to genome organization and evolution.

The study introduces a viral surveillance method using metagenomics in bats, offering a scalable, cost-effective model for operationalizing One Health surveillance, especially relevant to low- and middle-income countries.

This study assesses the long-term persistence of Wolbachia wMel in Rio de Janeiro 30 months after a population crash, finding suboptimal introgression levels and highlighting challenges in sustaining Wolbachia-based dengue control.

The paper detects deltacoronaviruses in seabirds from Brazil, identifies full and draft genomes, and finds evidence of long-term viral maintenance through reinfection and immune escape mutations.

The paper detects deltacoronaviruses in environmental fecal samples from seabirds in the Saint Peter and Saint Paul Archipelago using RT-PCR and metatranscriptomics.

This paper designs a high-affinity nanobody against SARS-CoV-2 spike protein using CDR-grafting combined with molecular simulation and machine learning.

The paper identifies a new Betacoronavirus subgenus, Ambecovirus, in Neotropical bats, revealing its phylogenetic position and potential for interspecies transmission.

The paper detects a deltacoronavirus in kelp gull fecal samples from Antarctica and sequences its full genome, revealing its classification and potential cross-species transmission.

The paper characterizes an Oropouche virus strain from the 2023-24 outbreak in Brazil, showing its ability to infect non-human primates and establishing lineage origins from the Amazonas region.

This study characterizes the RNA virome of sylvatic mosquitoes in Northeast Brazil, identifying 16 viral families and 34 new viral species with high RdRp divergence.

EEfinder identifies and classifies endogenous bacterial and viral elements in eukaryotic genomes through a standardized pipeline, showing improved sensitivity over existing methods.

The paper uses xeno-monitoring and metatranscriptomics to detect and characterize arboviruses in mosquitoes from southeast Australia, revealing long-term co-circulation and lineage turnover.

The paper characterizes Dengue virus coinfections of different clades and serotypes in Southern Brazil using RT-PCR and deep sequencing, finding five coinfected patients among circulating strains.

The paper examines TE expression in mosquitoes using RNA-Seq and mass spectrometry, finding limited protein production and tissue-specific regulation, with stress and infection having mixed effects.

This study evaluates the vector competence of Aedes aegypti and Culex quinquefasciatus mosquitoes for Mayaro virus using a mice model, finding Ae. aegypti highly competent and Cx. quinquefasciatus less so.

The paper characterizes Chikungunya virus outbreaks in Brazil's southernmost state, identifying lineage changes and transmission dynamics from 2017 to 2021.

This study tracks the spread of the SARS-CoV-2 Delta variant across Brazil using genomic data, identifying three major transmission clusters and their regional dominance.

The paper uses ZIKV genomes to estimate the origin and spread of Zika virus in Brazil and the Americas, providing a timeframe for baseline microcephaly rates.