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Ensaio melhorado de fecundidade e fertilidade para a Aedes aegypti usando 24 placas de c...
Ensaio melhorado de fecundidade e fertilidade para a Aedes aegypti usando 24 placas de c...
JoVE Journal
Biology
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JoVE Journal Biology
Improved Fecundity and Fertility Assay for Aedes aegypti using 24 Well Tissue Culture Plates (EAgaL Plates)

Ensaio melhorado de fecundidade e fertilidade para a Aedes aegypti usando 24 placas de cultura de tecido poço (placas EAgaL)

Full Text
5,862 Views
06:27 min
May 4, 2021

DOI: 10.3791/61232-v

Hitoshi Tsujimoto1, Zach N. Adelman1

1Department of Entomology,Texas A&M University

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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

This study presents an effective method for assessing the reproductive fitness of individual mosquitoes using 24-well tissue culture plates. The protocol allows researchers to significantly streamline the process of counting eggs and determining hatch rates, enhancing the speed and scale of fecundity and fertility assays.

Key Study Components

Research Area

  • Mosquito reproductive biology
  • Fecundity and fertility assessment
  • High-throughput screening methods

Background

  • Importance of understanding mosquito reproductive fitness
  • Current limitations of traditional methods
  • Need for efficient laboratory techniques

Methods Used

  • Time-saving oviposition experiments with structured plates
  • Use of 24-well tissue culture plates for individual mosquito testing
  • Imaging techniques for egg and larval counting

Main Results

  • Reduction in time, space, and labor compared to conventional methods
  • Silencing of the iron transporter gene FeT affects egg number and hatch rate
  • Clear methodology for high-quality imaging and data collection

Conclusions

  • This method provides a streamlined approach to understanding mosquito reproduction
  • It is significant for research in vector biology and population dynamics

Frequently Asked Questions

What are the advantages of using 24-well culture plates?
They allow for individual assessment of mosquitoes in a compact format, saving space and time.
How does the protocol improve the accuracy of egg counting?
The method includes detailed imaging and techniques to ensure all eggs are counted accurately, even those hard to see.
What is the impact of silencing FeT gene in mosquitoes?
It results in a significant decrease in both the number of eggs laid and the overall hatch rate.
How long do the assays take from start to finish?
The protocol allows for assessments to be completed more quickly than traditional methods, though specific times may vary based on conditions.
Is this method applicable to other insect species?
While designed for mosquitoes, the principles may be adapted for other insect species with similar reproductive characteristics.
Can this method be used for larger scale studies?
Yes, the 24-well format is conducive to higher throughput, allowing for large-scale studies of mosquito populations.
What are the safety considerations when conducting this research?
Standard laboratory safety protocols should be followed, especially when handling live mosquitoes and biological materials.

Descrito é um método de economia de tempo e espaço para contar ovos e determinar as taxas de escotilha de mosquitos individuais usando 24 placas de cultura de tecido de poço, o que pode aumentar substancialmente a escala e a velocidade dos ensaios de fecundidade e fertilidade.

Este procedimento permite que os pesquisadores de mosquitos abdorem facilmente a aptidão reprodutiva de seus mosquitos no nível individual. Em comparação com os métodos convencionais, este protocolo reduz significativamente o tempo, o espaço e o trabalho necessários para testar a fecundidade e fertilidade dos mosquitos no nível individual. Comece preparando placas para o experimento de oviposition.

Faça de quatro a seis furos por poço na tampa de uma placa de cultura de 24 poços usando uma broca doméstica com um bit de 1,6 milímetros. Um dia antes do experimento, lave e enxágue as placas e mergulhe-as em 1%a 5% de alvejante por 30 a 60 minutos em temperatura ambiente. Em seguida, enxágue as placas completamente sob água deionizada e seque-as.

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Biologia Edição 171 Aedes aegypti mosquito fitness número de ovos taxa de eclosão fecundidade fertilidade economia de tempo economia de espaço

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