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DNA GTx

Dr. Leonardo Varuzza

Responsable Bioinformatique

Dr. Varuzza is the Director of Bioinformatics at DNA GTx, who brings deep, hands-on expertise in large-scale sequencing and data analysis to bioinformatics operations. Drawing on extensive experience, he ensures bioinformatics pipelines are scalable, accurate, and seamlessly integrated into real-world workflows.

  1. MAKI, KATHERINE A.; WOLFF, BRIAN; Varuzza, Leonardo; GREEN, STEFAN J.; BARB, JENNIFER J.2023.

Multi-amplicon microbiome data analysis pipelines for mixed orientation sequences using QIIME2: Assessing reference database, variable region and pre-processing bias in classification of mock bacterial community samples In PLoS One, v.18, p.e0280293 Publication Link

  1. DEZAN, MARCIA R.; RIBEIRO, INGRID HELENA; OLIVEIRA, VALÉRIA B.; VIEIRA, JULIANA B.; GOMES, FRANCISCO C.; FRANCO, LUCAS A.M.; Varuzza, Leonardo; RIBEIRO, ROBERTO; CHINOCA, KAREN ZIZA; LEVI, JOSÉ EDUARDO; KRIEGER, JOSÉ EDUARDO; PEREIRA, ALEXANDRE COSTA; GUALANDRO, SANDRA F.M.; ROCHA, VANDERSON G.; MENDRONE-JUNIOR, ALFREDO; SABINO, ESTER CERDEIRA; DINARDO, CARLA LUANA.

RHD and RHCE genotyping by next-generation sequencing is an effective strategy to identify molecular variants within sickle cell disease patients In Blood Cells, Molecules & Diseases (Print), v.1, p.S10799796173004 Publication Link

  1. NISHIBE, C.; CANEVARI CASTELAO, A. B.; DALLA COSTA, R.; PINTO, B. J.; VARUZZA, L.; CATALDI, A. A.; BERNARDELLI, A.; BIGI, F.; BLANCO, F. C.; ZUMARRAGA, M. J.; ALMEIDA, N. F.; ARAUJO, F. R.

. Draft Genome Sequence of Mycobacterium bovis 04-303, a Highly Virulent Strain from Argentina In Genome Announcements, v.1, p.e00931-13 – e00931-13 Publication Link

  1. Ramos, Rommel Thiago Jucá; Carneiro, Adriana Ribeiro; de Castro Soares, Siomar; Barbosa, Silvanira; VARUZZA, L.; ORABONA, GUILHERME; Tauch, Andreas; Azevedo, Vasco; Schneider, Maria Paula; SILVA, A.

High efficiency application of a mate-paired library from Next-Generation Sequencing to PostLight sequencing: Corynebacterium pseudotuberculosis as a case study for microbial de novo genome assembly In Journal of Microbiological Methods, v.95, p.441 – 447. Publication Link

  1. Novaes, Jeniffer; RANGEL, L. T. L. D.; FERRO, M.; Abe, Ricardo Y.; Manha, Alessandra P.S.; de Mello, Joana C.M.; VARUZZA, L.; Durham, Alan M.; Madeira, Alda Maria B.N.; Gruber, Arthur. 2012.

A comparative transcriptome analysis reveals expression profiles conserved across three Eimeria spp. of domestic fowl and associated with multiple developmental stages In International Journal for Parasitology, v.42, p.39 – 48. Publication Link

  1. VARUZZA, L.; Carlos A de B. Pereira. 2010.

Significance test for comparing digital gene expression profiles: Partial likelihood application In Chilean Journal of Statistics, v.1, p.91 – 102. Publication Link

  1. Ribeiro-dos-Santos, Ândrea; Khayat, André S.; Silva, Artur; Alencar, Dayse O.; Lobato, Jessé; Luz, Larissa; Pinheiro, Daniel G.; VARUZZA, L.; Assumpção, Monica; Assumpção, Paulo; Santos, Sidney; Zanette, Dalila L.; Silva, Wilson A.; Burbano, Rommel; Darnet, Sylvain. 2010.

Ultra-Deep Sequencing Reveals the microRNA Expression Pattern of the Human Stomach In Plos One, v.5, p.e13205. Publication Link

  1. Silveira, Nelson JF; VARUZZA, L.; Machado-Lima, Ariane; Lauretto, Marcelo S; Pinheiro, Daniel G; Rodrigues, Rodrigo V; Severino, Patricia; Nobrega, Francisco G; Gencapo, Head and Neck Genome Project; Silva Jr, WA; de B Pereira, Carlos A; Tajara, Eloiza H. 2008.

Searching for molecular markers in head and neck squamous cell carcinomas (HNSCC) by statistical and bioinformatic analysis of larynx-derived SAGE libraries In BMC Medical Genomics, v.1, p.56. Publication Link

  1. Ricardo Z. N. Vêncio; VARUZZA, L.; Carlos A de B. Pereira; Helena Paula Brentani; Ilya Shmulevich. 2007.

Simcluster: clustering enumeration gene expression data on the simplex space In BMC Bioinformatics, v.8, p.246. Publication Link

  1. DURHAM, A. M.; KASHIWABARA, A. Y.; Matsunaga, T. G.; Ahagon, P. H.; Rainone, F.; VARUZZA, L.; GRUBER, A. 2005.

EGene: a configurable pipeline generation system for automated sequence analysis. In Bioinformatics (Oxford), v.21, p.2812 – 2813. Publication Link

  1. BRUNSTEIN, A.; VARUZZA, L.; Gerdine, F. O.; Briones, M. R. S. 2004.

Changes in G+C content of a neutrally evolving gene under a non-reversible dynamics measured by computer simulations based on experimental evolution data In Genetics and Molecular Biology, v.27, p.632 – 636. Publication Link

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