Rearing Axenic <em>Delia antiqua</em> with Half-Fermented Sterile Diets

Xin Cao; Qingxia Liang; Miaomiao Li; Xiaoqing Wu; Susu Fan; Xinjian Zhang; Fangyuan Zhou; Zhiqing Zhao

doi:10.3791/66259

Aufzucht von Axenic Delia antiqua mit halbfermentiertem sterilem Futter

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Rearing Axenic Delia antiqua with Half-Fermented Sterile Diets

Aufzucht von Axenic Delia antiqua mit halbfermentiertem sterilem Futter

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05:58 min

December 22, 2023

DOI: 10.3791/66259-v

Xin Cao¹, Qingxia Liang¹, Miaomiao Li¹, Xiaoqing Wu¹, Susu Fan¹, Xinjian Zhang¹, Fangyuan Zhou¹, Zhiqing Zhao²

¹Shandong Provincial Key Laboratory of Applied Microbiology, Ecology Institute,Qilu University of Technology (Shandong Academy of Sciences), ²Agriculture and Rural Bureau of Changqing District

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Overview

This study investigates microbial interactions in the insect model Delia antiqua by rearing axenic specimens. The research highlights a method that utilizes half-fermented sterile diets and reveals the presence of a single Wolbachia strain across different instars through PCR analysis.

Key Study Components

Research Area

Microbial ecology
Insect model systems
Interactions between gut microbiota and host

Background

Delia antiqua serves as a model for studying microbial interactions.
The influence of intestinal fungi on insect growth and development is under investigation.
The study aims to eliminate gut bacteria without significant side effects on the host.

Methods Used

Establishment of axenic Delia antiqua using half-fermented sterile diets
Use of PCR to detect microbial strains
Comparison to antibiotic treatments for gut bacteria elimination

Main Results

Successful rearing of axenic D. antiqua with minimal side effects
Detection of a single Wolbachia strain across all instars
Demonstrated effectiveness and affordability of the method compared to antibiotics

Conclusions

The study provides a reliable protocol for further research in microbial ecology and interactions.
It emphasizes the importance of gut microbiota in host development while showcasing a non-antibiotic approach.

Frequently Asked Questions

What is axenic rearing?

Axenic rearing refers to raising organisms in the absence of any other living microorganisms, allowing researchers to study specific biological interactions without interference.

Why is Delia antiqua used as a model organism?

Delia antiqua is utilized for its ease of manipulation and relevance in studying microbial ecology and host-microbe interactions.

What is Wolbachia?

Wolbachia is a genus of bacteria commonly found in insects, known for its role in influencing host reproduction and development.

How does the half-fermented diet affect Delia antiqua?

The half-fermented diet provides necessary nutrients while helping to maintain axenic conditions by reducing bacterial load.

What advantages does this method have over antibiotics?

The method eliminates gut bacteria without causing significant side effects on the host, making it a preferred approach for studying microbial ecology.

How was the presence of Wolbachia detected?

Wolbachia was detected using Polymerase Chain Reaction (PCR), a sensitive genetic analysis method.

What are the implications of this research?

This research may provide insights into the role of gut microbiota in insect development and can inform broader ecological and evolutionary studies.

Ein einfaches Verfahren zur Aufzucht axenischer Delia antiqua mit halbfermentiertem sterilem Futter wird beschrieben. Mittels PCR wurde nur ein Wolbachia-Stamm in jedem Instar von axenic D. antiqua nachgewiesen.

Unser Forschungsgebiet ist die mikrobielle Ökologie, und wir wollen die mikrobiellen Interaktionen durch die Aufzucht der axenischen Delia antiqua erforschen. Es werden Fragen zur Diversität der Darmpilze von Delia antiqua und deren Einfluss auf das Wachstum und die Entwicklung von Delia antiqua beantwortet. Es wurde eine einfache Methode zur Aufzucht von axenischen Delia antiqua mit halbfermentiertem sterilem Futter etabliert und nur ein identifizierter Wolbachia-Stamm wurde in jedem Instar von Delia antiqua mittels PCR nachgewiesen.

Im Gegensatz zu Antibiotikabehandlungen eliminiert dieses Protokoll die Darmbakterien vollständig und verursacht nicht viele Nebenwirkungen bei den Wirtsinsekten. Auch die Funktion der Darmmikrobiota von Insekten ist nicht ausgeprägt. Es ist wirksamer und kostengünstiger als eine antibiotische Behandlung.

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