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Feasibility of In Vivo semen collection and description of the morphology and ultrastructure of the spermatozoa of Arapaima gigas (Schinz, 1822). Author(s): TORATI, L. S.; LOPES, J. T.; LIMA, A. F.; PUVANENDRAN, V.; BATLOUNI, S. R.; KIRSCHNIK, L. N. G. The pirarucu, Arapaima gigas, is an emblematic endangered Amazon osteoglossid with high potential for aquaculture development. In this study, we report the in vivo collection of semen from pirarucu fo... ... Repository: BDPA Publication year: 2024
Ultrastructure of acrokeratoelastoidosis. Author(s): LOPES, J. F.; ALMEIDA JR, H. L. de; CUNHA FILHO, R. R. da; LATTMANN, B. V.; CASTRO, L. A. S. de Repository: BDPA Publication year: 2017
Ultrastructural damage in coffee seeds exposed to drying and to subzero (°C) temperatures. Author(s): COELHO, S. V. B.; ROSA, S. D. V. F. da; LACERDA, L. N. C.; CLEMENTE, A. da C. S.; SILVA, L. C.; FANTAZZINI, T. B.; RIBEIRO, F. S.; CASTRO, E. de M. During drying and freezing, protective mechanisms act to maintain seed physiological quality. Some of these mechanisms contribute to the integrity of cell membranes. The damage caused to cell membrane... ... Repository: BDPA Publication year: 2020
The spermatozoa ultrastructure of the giant Amazon pirarucu Arapaima gigas (Schinz, 1822). Author(s): KIRSCHNIK, L. N. G.; LOPES, J. T.; LIMA, A. F.; TORATI, L. S. In this study we provide a first complete ultrastructure description of the spermatozoa from pirarucu A. gigas collected in vivo. To do so, adult male broodstocks of A. gigas held at Embrapa Fisheries... ... Repository: BDPA Publication year: 2022
Cytoskeleton structure, pattern of mitochondrial activity and ultrastructure of frozen or vitrified sheep embryos. Author(s): DALCIN, L.; SILVA, R. C.; PAULINI, F.; SILVA, B. D. M.; NEVES, J. P.; LUCCI, C. M. Even though sheep embryo cryopreservation is a commonly used procedure the survival and pregnancy outcomes can vary greatly. This study investigated whether cryopreservation was causing subtle changes... ... Repository: BDPA Publication year: 2013
Induction and morpho-ultrastructural analysis of organogenic calli of a wild passionfruit. Author(s): CARVALHO, M. A. de F.; PAIVA, R.; STEIN, V. C.; HERRERA, R. C.; PORTO, J. M. P.; VARGAS, D. P.; ALVES, E. This work studied a new protocol for organogenic calli induction and characterization of the morphology and ultrastructure of callogenesis in leaf explants of Passiflora gibertii N. E. Brown, a native... ... Repository: BDPA Publication year: 2014
Physiological, biochemical, and ultrastructural aspects of Coffea arabica L. seeds under different cryopreservation protocols. Author(s): FIGUEIREDO, M. A. de; ROSA, S. D. V. F. da; RICALDONI, M. A.; PEREIRA, C. C.; COELHO, S. V. B. Cryopreservation is a technique that may potentially conserve the germplasm of species of the Coffea genus for an indeterminate time. The aim of this study was to evaluate the physiological, biochemic... ... Repository: BDPA Publication year: 2021
Acute toxicity of commercial atrazine in Piaractus mesopotamicus: histopathological, ultrastructural, molecular, and genotoxic evaluation. Author(s): PAIVA, P. P. de; DELCORSO, M. C.; MATHEUS, V. A.; QUEIROZ, S. C. do N. de; COLLARES-BUZATO, C. B.; ARANA, S. The aim of this work was to evaluate the sensitivity of Pacu fingerlings (Piaractus mesopotamicus) by measuring the effects of median lethal concentration (LC50) of atrazine (ATZ - 28.58 mg/L) after a... ... Repository: BDPA Publication year: 2017
Ultrastructure of in vitro oocyte maturation in buffalo (Bubalus bubalis). Author(s): MONDADORI, R. G.; SANTIN, T. R.; FIDELIS, A. A. G.; NAME, K. P. O.; SILVA, J. S. da; RUMPF, R.; BÁO, S. N. Repository: BDPA Publication year: 2010
Ultrastructure and Redescription of Notozulia entreriana (Berg) (Hemiptera: Cercopidae). Author(s): PALADINI, A.; CARVALHO, G. S.; VALERIO, J. R. Repository: BDPA Publication year: 2008

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