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Federico II University

2 ARTICLES PUBLISHED IN JoVE

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Immunology and Infection

Spore Adsorption as a Nonrecombinant Display System for Enzymes and Antigens
Rachele Isticato 1, Ezio Ricca 1, Loredana Baccigalupi 2
1Department of Biology, Federico II University, 2Department of Molecular Medicine and Medical Biotechnology, University of Naples "Federico II"

This protocol focuses on the use of bacterial spores as a "live" nanobiotechnological tool to adsorb heterologous molecules with various biological activities. The methods to measure the efficiency of adsorption are also shown.

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Biochemistry

Improvement of Bacillus subtilis Spore Enumeration and Label Analysis in Flow Cytometry
Késsia Caroline Alves 1,2, Yury Oliveira Chaves 1,3,4, Maria Edilene Almeida 1,4, Maria Gabriella Vasconcelos 1,4, Paulo Afonso Nogueira 1,3,6, Joyce Melo 1,9, Jéssica Marques 8, Juliana Pavan Zuliani 7, Charles Nunes Boeno 7, Mauro Valentino Paloschi 7, Rachele Isticato 5, Ezio Ricca 5, Luís André Mariúba 1,2,3,6
1Laboratório de diagnóstico e controle de doenças infecciosas na Amazônia, Instituto Leônidas e Maria Deane - Fiocruz Amazônia, 2Programa de Pós-Graduação em Biotecnologia, Instituto de Ciências Biológicas, Universidade Federal do Amazonas (UFAM), 3Programa de Pós-Graduação em Biologia da Interação Patógeno-Hospedeiro - Fiocruz Amazônia, 4Programa de Pós-graduação em Ciências Aplicadas à Hematologia PPGH-UEA/HEMOAM, 5Department of Biology, Federico II University, 6Programa de Pós-Graduação em Imunologia Básica e Aplicada, Instituto de Ciências Biológicas, Universidade Federal do Amazonas (UFAM), 7Laboratório de Imunologia Celular Aplicada à saúde, Fundação Oswaldo Cruz, FIOCRUZ Rondônia, 8Centro Multiusuário para Análises de Fenômenos Biomédicos (CMABio-UEA), Universidade Estadual do Amazonas, 9Universidade Federal do Amazonas (UFAM)

This protocol focuses on the use of flow cytometry and counting beads to quantify bacterial spores labeled with ethidium bromide. The method is also efficient for analyzing the covalent coupling of proteins on the surface of intact spores.

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