Buscar
Mostrando ítems 11-20 de 166
Magnetic Manipulation of Nanorods in the Nucleus of Living Cells
(CELL PRESS, 2011)
The organization of chromatin in the cell nucleus is crucial for gene expression regulation. However, physically probing the nuclear interior is challenging because high forces have to be applied using minimally invasive ...
Growth, fatty acid composition, and reproductive parameters of diploid and triploid yellowtail tetra Astyanax altiparanae
(Elsevier B.V., 2017-03-20)
The aim of this study was to evaluate the growth, carcass yield, fatty acid composition, and reproductive parameters of diploid and triploid Astyanax altiparanae. Triploidization was induced by heat shock (40 degrees C for ...
Heat-induced triploids in Brycon amazonicus: A strategic fish species for aquaculture and conservation
(2021-01-01)
Summary Triploidization plays an important role in aquaculture and surrogate technologies. In this study, we induced triploidy in the matrinxã fish (Brycon amazonicus) using a heat-shock technique. Embryos at 2 min post ...
Strategies for aquaculture and conservation of Neotropical catfishes based on the production of triploid Pimelodus maculatus
(Springer, 2020-02-01)
Triploidization is a technique to produce sterile fish on a large scale. In the spotted catfish Pimelodus maculatus, sterile fish serve as a host of germ cell transplantation for subsequent reconstitution of endangered ...
Return temperature after heat shock affects the production of tetraploids in the yellowtail tetra Astyanax altiparanae
(Cambridge Univ Press, 2021-02-01)
The aim of this study was to evaluate different post-shock temperatures for tetraploid induction in the yellowtail tetra Astyanax altiparanae. Newly fertilized eggs were divided into four groups, three were submitted to ...
Stereological analysis of gonads from diploid and triploid fish yellowtail tetra Astyanax altiparanae (Garutti & Britski) in laboratory conditions
(Cambridge Univ Press, 2017-08-01)
This study aimed to examine the gonadal morphology of diploid and triploid fish through stereological analysis. Triploid individuals were obtained after temperature shock (40 degrees C for 2 min) at 2 min post-fertilization ...
Controle biologico: caracterizaçao de DNA viral por mapas de restricao e técnicas de manipulaçao: Consultant final report IICA/EMBRAPA PROCENSUL II
(IICA, 1988)
The title of activity of IICA project corresponding to this consultancy is: Cooperation with EMBRAPA on research and applications of genetic resources, biotechnology and biologic control of plagues, diseases and weeds. ...
Transfer of yeast artificial chromosomes into mammalian cells and comparative study of their integrity
(1995)
Yeast artificial chromosomes (YACs) from the CEPH MegaYAC library (Paris, France) ranging in size from 350 to 1600 kb and mapping to the q22.1 and q22.2 regions of human chromosome 21 were transferred into mammalian cells ...
Determinação do número cromossômico de espécies arbóreas nativas com potencial madeireiro
(Universidade Estadual Paulista (Unesp), 2010-07-05)
O Brasil tem uma flora nativa exuberante, muito explorada e pouco estudada. A economia florestal brasileira tem importante papel na qualidade de vida do país sendo necessárias informações que possibilitem uma exploração ...