Video Experimental Relacionado

Updated: Feb 7, 2026

Visualization of the Axonal Projection Pattern of Embryonic Motor Neurons in Drosophila

Visualization of the Axonal Projection Pattern of Embryonic Motor Neurons in Drosophila

Published on: June 16, 2017

Neuronas de proyección visual que median el cortejo dirigido en Drosophila

Inês M A Ribeiro¹, Michael Drews², Armin Bahl²

¹Janelia Research Campus, Howard Hughes Medical Institute, 19700 Helix Drive, Ashburn, VA 20147, USA; Max Plank Institute of Neurobiology, Am Klopferspitz 18, 82152 Martinsried, Germany; Institute of Molecular Pathology, Campus-Vienna-Biocenter 1, 1030 Vienna, Austria.

|July 24, 2018

Resumen

Las neuronas visuales LC10 en las moscas de la fruta macho son cruciales para el cortejo. Silenciar estas neuronas perjudica la orientación y la canción, mientras que activarlas provoca comportamientos de cortejo.

Área de la Ciencia:

La neurociencia
El comportamiento de los animales
Sistemas sensoriales

Sus antecedentes:

La visión es fundamental para muchos animales para detectar y rastrear objetos en movimiento.
En el cortejo de Drosophila, los machos usan señales visuales para la orientación, la persecución y la iniciación de la canción.

Objetivo del estudio:

Para investigar el papel de las neuronas de proyección visual LC10 en el comportamiento de cortejo masculino de Drosophila.
Para determinar cómo las neuronas del LC10 procesan la información visual relevante para el cortejo.

Principales métodos:

Silencio y activación unilateral de las neuronas LC10 en Drosophila macho.
Pruebas de comportamiento para evaluar la orientación, el mantenimiento de la proximidad y la canción de cortejo.
Registros electrofisiológicos para caracterizar las respuestas neuronales del LC10 al movimiento.

Principales resultados:

El silenciamiento de las neuronas LC10 interrumpió la orientación masculina, la proximidad a las hembras y el canto ipsilateral del ala.
Las neuronas LC10 exhiben respuestas preferenciales a pequeños objetos en movimiento a través de un mecanismo centrado en el movimiento.
La activación unilateral del LC10 imitaba la orientación y la extensión de las alas provocadas por la hembra, mejorada por la excitación del cortejo.

Conclusiones:

Las neuronas de proyección visual LC10 son esenciales para transmitir información visual crítica para el cortejo de Drosophila.
Estas neuronas juegan un papel clave en la integración de estímulos visuales con circuitos de cortejo y estados de excitación.

Palabras clave:

el cortejo el lóbulo seguimiento la visión neuronas de proyección visual

Más Videos Relacionados

Drosophila Courtship Conditioning As a Measure of Learning and Memory

Drosophila Courtship Conditioning As a Measure of Learning and Memory

Published on: June 5, 2017

Visually Mediated Odor Tracking During Flight in Drosophila

Visually Mediated Odor Tracking During Flight in Drosophila

Published on: January 26, 2009

Videos de Conceptos Relacionados

Fischer Projections

Fischer Projections

Learning to draw Fischer projections of molecules and understanding their relevance plays a crucial role in the visual depiction of organic molecules. A Fischer projection is a two-dimensional projection on a planar surface to simplify the three-dimensional wedge–dash representation of molecules. This is especially helpful in the case of molecules with multiple chiral centers that can be difficult to draw. Here, all the bonds of interest are represented as horizontal or vertical lines. While...

Newman Projections

Newman Projections

Different notations are used to represent the three-dimensional structure of molecules on two-dimensional surfaces. One of the most commonly used representations is the dash-wedge formula. The dashed wedges, solid wedges, and the plane lines indicate the groups situated behind the plane, coming out of the plane, and in the plane, respectively.
The organic molecules rotate across the single bonds leading to numerous temporary three-dimensional structures of varying energy known as...

Coordinates and Map Projections

Coordinates and Map Projections

Coordinates and map projections are essential tools in accurately representing the Earth's surface for various applications, ranging from navigation to spatial analysis. The latitude and longitude coordinate system is a universally recognized framework for defining locations. Latitude specifies the distance of a point north or south of the equator, measured in degrees from 0° at the equator to 90° at the poles. Longitude indicates a location's position east or west of the prime meridian,...

Receptor-mediated Endocytosis

Receptor-mediated Endocytosis

Directing Effect of Substituents: meta-Directing Groups

Directing Effect of Substituents: meta-Directing Groups

Substituents on the benzene ring that direct an incoming electrophile to undergo substitution at the meta position are called meta directors. All meta directors either have a positive charge on the atom directly bonded to the ring or a partial positive charge. These groups function by withdrawing electrons from the ring through inductive and resonance effects. Consider the carbocation intermediates formed upon the addition of an electrophile on nitrobenzene at the...

Directing Effect of Substituents: ortho–para-Directing Groups

Directing Effect of Substituents: ortho–para-Directing Groups

Ortho–para directors are substituent groups attached to the benzene ring and direct the addition of an electrophile to the positions ortho or para to the substituent. All electron-donating groups are considered ortho–para directors. They donate electrons to the ring and make the ring more electron-rich. The ring is therefore susceptible to the addition of electrophiles. Substituents such as amino, hydroxy, or alkoxy, containing lone pairs on the atom adjacent to the ring, donate...