Results 41 to 50 of about 72,517 (148)

Potencial de regeneración de Psychotria ipecacuanha (Rubiaceae) a partir de capas delgadas de células

open access: yesActa Biológica Colombiana, 2015
Conociendo las propiedades medicinales de la especie vegetal Psychotria ipecacuanha (Brot.) Stokes, su crítico estado de conservación, así como las dificultades que presenta para la propagación efectiva, el presente estudio tuvo como objetivo evaluar su ...
Catalina Botero Giraldo   +2 more
doaj   +1 more source

Single-Cell RNA Sequencing Resolves Spatiotemporal Development of Pre-thymic Lymphoid Progenitors and Thymus Organogenesis in Human Embryos.

open access: yesImmunity, 2019
Generation of the first T lymphocytes in the human embryo involves the emergence, migration, and thymus seeding of lymphoid progenitors together with concomitant thymus organogenesis, which is the initial step to establish the entire adaptive immune ...
Yang Zeng   +18 more
semanticscholar   +1 more source

ORGANOGÉNESIS LARVARIA DE Strombus gigas (MESOGASTROPODA: STROMBIDAE) EN EL ARRECIFE ALACRANES DURANTE EL PERIODO MÁXIMO DE SU ÉPOCA REPRODUCTIVA

open access: yesEcosistemas y Recursos Agropecuarios, 2014
Con el fin de describir el desarrollo ontogenético de las larvas de Strombus gigas se recolectaron masas de huevos del medio natural y se cultivaron bajo condiciones de laboratorio durante mayo, junio y julio, correspondientes al máximo de la época ...
N Brito-Manzano   +3 more
doaj   +1 more source

The Interactivity between TGFβ and BMP Signaling in Organogenesis, Fibrosis, and Cancer

open access: yesCells, 2019
The Transforming Growth Factor beta (TGFβ) and Bone Morphogenic Protein (BMP) pathways intersect at multiple signaling hubs and cooperatively or counteractively participate to bring about cellular processes which are critical not only for tissue ...
F. Dituri   +3 more
semanticscholar   +1 more source

Serie normal del desarrollo organogénico embrionario de Podocnemis unifilistroschel, 1949 (testidinata, pelomedusinae)

open access: yesActa Biológica Colombiana, 1992
The histological and organogenical development of the turtle Podocnemis unifilis are presented. This study covers 28 chronological steps which were defined in a period of 95 days.
Nory Astrid Guzman Ballesteros   +1 more
doaj  

Prototipo de sistema de inmersión temporal en fase de multiplicación en la micropropagación de banano Clon Williams

open access: yesUniversidad y Sociedad, 2021
El banano es clave para la producción agrícola de Ecuador. Es común requerir grandes cantidades de plantas que se obtienen por organogénesis directa.
Ugarte Barco, Francisco Andres   +3 more
doaj  

ANALYSIS OF THE SOMACLONAL VARIATION IN TWO IN VITRO REGENERATED AGAVE SPECIES

open access: yesTropical and Subtropical Agroecosystems, 2022
Background: Plant tissue culture has been shown to be an efficient technique for the propagation of diverse Agave species using different in vitro regeneration processes.
Irene Martínez Velasco   +1 more
doaj   +1 more source

De novo shoot organogenesis during plant regeneration.

open access: yesJournal of Experimental Botany, 2019
Plants exhibit remarkable regeneration capacity, ensuring developmental plasticity. In vitro tissue culture techniques are based on the plant regeneration ability and facilitate production of new organs and even whole plant from explants.
Jinwoo Shin, S. Bae, P. Seo
semanticscholar   +1 more source

Changes in antioxidative enzymes activities during Tacitus bellus direct shoot organogenesis

open access: yesBiologia Plantarum, 2012
Changes in antioxidative enzymes activities during Tacitus bellus direct shoot organogenesis from leaf explants were examined. During the early stages of shoot organogenesis there was a decrease in superoxide dismutase (SOD) and an increase in catalase ...
A. Mitrović   +3 more
doaj   +1 more source

Evaluación y selección de un protocolo para la regeneración in vitro de la variedad de tomate Unapal-Arreboles Evaluation and selection of a protocol for in vitro regeneration of tomato variety Unapal-Arreboles

open access: yesActa Agronómica, 2009
Se compararon tres medios de cultivo para seleccionar el apropiado para la regeneración in vitro de la variedad de tomate UNAPAL-Arreboles. Se evaluó la producción de callos/explante, brotes/explante y plántulas /explante.
Hernando Ramírez   +2 more
doaj  

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