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22 results on '"Gomes, Fabio M."'

1. Western diet consumption by host vertebrate promotes altered gene expression on Aedes aegypti reducing its lifespan and increasing fertility following blood feeding

Author

Menezes, Alexandre, Peixoto, Marilia, Silva, Melissa, Costa-Bartuli, Emylle, Oliveira, Cinara Lima, Walter-Nuno, Ana Beatriz, Kistenmacker, Nathan da Cruz, Pereira, Jessica, Ramos, Isabela, Paiva-Silva, Gabriela O., Atella, Geórgia C., Zancan, Patricia, Sola-Penna, Mauro, and Gomes, Fabio M.

Published
2024
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8. Editorial: Advances on the physiology and cell Biology of invertebrate parasites

Author

Gomes, Fabio M., Baranzini, N., Grimaldi, A., and Lopes-Torres, E. J.

Subjects
invertebrate parasite, host-parasite dynamics, Physiology, Physiology (medical), cell biology, unionids, invertebrate parasite, physiology, cell biology, host-parasite dynamics, unionids, stink bugs, tick, tick, stink bugs
Published
2022

16. Phosphorus-rich structures and capsular architecture in Cryptococcus neoformans

Author

Ramos, Caroline L, primary, Gomes, Fabio M, additional, Girard-Dias, Wendell, additional, Almeida, Fernando P, additional, Albuquerque, Priscila C, additional, Kretschmer, Matthias, additional, Kronstad, James W, additional, Frases, Susana, additional, de Souza, Wanderley, additional, Rodrigues, Marcio L, additional, and Miranda, Kildare, additional

Published
2017
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17. Yolk hydrolases in the eggs of Anticarsia gemmatalis hubner (Lepidoptera: Noctuidae): A role for inorganic polyphosphate towards yolk mobilization

Author

Oliveira, Danielle M.P., primary, Gomes, Fabio M., additional, Carvalho, Danielle B., additional, Ramos, Isabela, additional, Carneiro, Alan B., additional, Silva-Neto, Mario A.C., additional, de Souza, Wanderley, additional, Lima, Ana P.C.A., additional, Miranda, Kildare, additional, and Machado, Ednildo A., additional

Published
2013
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18. The Benefits of Neo-Adjuvant Chemoradiotherapy for Esophageal Cancer, are They for All?

Author

Gomes, Fabio M., primary, Ribeiro, Catarina, additional, Costa, Ligia, additional, Oliveira, Sonia, additional, Barata, Pedro, additional, Sousa, Manuel, additional, Custodio, M. Paula, additional, da Luz, Ricardo, additional, Quaresma, Luisa, additional, Esteves, Jorge, additional, Silva, Gualdino, additional, Pina, Filomena, additional, Cabrita, Fernanda, additional, Pupo, Alexandra, additional, Oliveira, Mario, additional, Marques, Mateus, additional, Mareco, Virginia, additional, da Silva, Guedes, additional, Batarda, M. Lurdes, additional, and Fradique, Antonio Caldeira, additional

Published
2013
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19. Microscopic and molecular characterization of ovarian follicle atresia in Rhodnius prolixus Stahl under immune challenge

Author

Medeiros, Marcelo N., primary, Ramos, Isabela B., additional, Oliveira, Danielle M.P., additional, da Silva, Rodrigo C.B., additional, Gomes, Fabio M., additional, Medeiros, Luciano N., additional, Kurtenbach, Eleonora, additional, Chiarini, Luciana B., additional, Masuda, Hatisaburo, additional, de Souza, Wanderley, additional, and Machado, Ednildo A., additional

Published
2011
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20. P-0008THE BENEFITS OF NEO-ADJUVANT CHEMORADIOTHERAPY FOR ESOPHAGEAL CANCER, ARE THEY FOR ALL?

Author

Gomes, Fabio M., Ribeiro, Catarina, Costa, Ligia, Oliveira, Sonia, Barata, Pedro, Sousa, Manuel, Custodio, M. Paula, da Luz, Ricardo, Quaresma, Luisa, Esteves, Jorge, Silva, Gualdino, Pina, Filomena, Cabrita, Fernanda, Pupo, Alexandra, Oliveira, Mario, Marques, Mateus, Mareco, Virginia, da Silva, Guedes, Batarda, M. Lurdes, and Fradique, Antonio Caldeira

Subjects
*TREATMENT of esophageal cancer, *CANCER chemotherapy, *CANCER radiotherapy, *ADJUVANT treatment of cancer, *ESOPHAGECTOMY, *CANCER relapse, *SURGICAL excision
Published
2013
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21. Proton-pyrophosphatase and polyphosphate in acidocalcisome-like vesicles from oocytes and eggs of Periplaneta americana

Author

Motta, Lucimar S., Ramos, Isabela B., Gomes, Fabio M., de Souza, Wanderley, Champagne, Donald E., Santiago, Marcelo F., Docampo, Roberto, Miranda, Kildare, and Machado, Ednildo A.

Subjects
*AMERICAN cockroach, *OVUM, *HYDROGEN-ion concentration, *MICROPROBE analysis
Abstract

Abstract: Acidocalcisomes are acidic organelles containing large amounts of polyphosphate (poly P), a number of cations, and a variety of cation pumps in their limiting membrane. The vacuolar proton-pyrophosphatase (V-H+-PPase), a unique electrogenic proton-pump that couples pyrophosphate (PPi) hydrolysis to the active transport of protons across membranes, is commonly present in membranes of acidocalcisomes. In the course of insect oogenesis, a large amount of yolk protein is incorporated by the oocytes and stored in organelles called yolk granules (YGs). During embryogenesis, the content of these granules is degraded by acid hydrolases. These enzymes are activated by the acidification of the YG by a mechanism that is mediated by proton-pumps present in their membranes. In this work, we describe an H+-PPase activity in membrane fractions of oocytes and eggs of the domestic cockroach Periplaneta americana. The enzyme activity was optimum at pH around 7.0, and was dependent on Mg2+ and inhibited by NaF, as well as by IDP and Ca2+. Immunolocalization of the yolk preparation using antibodies against a conserved sequence of V-H+-PPases showed labeling of small vesicles, which also showed the presence of high concentrations of phosphorus, calcium and other elements, as revealed by electron probe X-ray microanalysis. In addition, poly P content was detected in ovaries and eggs and localized inside the yolk granules and the small vesicles. Altogether, our results provide evidence that numerous small vesicles of the eggs of P. americana present acidocalcisome-like characteristics. In addition, the possible role of these organelles during embryogenesis of this insect is discussed. [Copyright &y& Elsevier]

Published
2009
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