相关实验视频

Updated: Jul 20, 2025

Maintaining Biological Cultures and Measuring Gene Expression in Aphis nerii: A Non-model System for Plant-insect Interactions

Maintaining Biological Cultures and Measuring Gene Expression in Aphis nerii: A Non-model System for Plant-insect Interactions

Published on: August 31, 2018

在Stenchaetothrips biformis的染色体级基因组组合和比较基因组分析中,突出了三之间独特的宿主适应性

Qing-Ling Hu^1,2, Zhuang-Xin Ye¹, Ji-Chong Zhuo¹

¹State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, 315211, China.

Communications biology

|August 4, 2023

概括

基因组适应限制了昆虫宿主范围. 这项研究介绍了Stenchaetothrips biformis (大米三) 的染色体基因组,揭示了与宿主专业化和农药耐药性相关的基因家族变化.

科学领域:

基因组学就是基因组学.
昆虫生物学昆虫生物学
进化生物学进化生物学

背景情况:

昆虫宿主范围受到基因组适应的影响.
类动物 (thrips) 具有多样化的食习惯,但相对比较的基因组数据很少.
有限的基因组资源阻碍了对的进化和害虫管理的理解.

研究的目的:

为了组装Stenchaetothrips biformis的染色体水平基因组,一个寡食米害虫.
为了对多胞体鱼物种进行比较基因组分析.
为了确定与宿主专业化和杀虫剂耐药性有关的基因组适应.

主要方法:

用PacBio,Illumina短读和Hi-C技术进行染色体水平的基因组组装.
蛋白质编码基因和重复元素的注释.
对比基因组学和转录组分析.

主要成果:

对于Stenchaetothrips biformis,生成了一个338.86 Mb的基因组组合,其支架N50为18.21 Mb.
在S. biformis中发现了收缩的化学感知基因和扩展的应激反应/解毒基因,与多胞体三胞体相比.
多菌的扩大基因家族参与新陈代谢,抗病毒免疫力和排毒,与抗农药耐药性相关.

结论:

S. biformis的染色体级基因组组合为三研究提供了宝贵的资源.
基因组差异突出显示了三叉体中宿主专业化的适应性.
了解这些基因扩展对于开发有效的虫害管理策略和解决农药耐药性的问题至关重要.

更多相关视频

High-throughput Physical Mapping of Chromosomes using Automated in situ Hybridization

High-throughput Physical Mapping of Chromosomes using Automated in situ Hybridization

Published on: June 28, 2012

Methods for the Extraction of Endosymbionts from the Whitefly Bemisia tabaci

Methods for the Extraction of Endosymbionts from the Whitefly Bemisia tabaci

Published on: June 19, 2017

相关概念视频

Evolutionary Relationships through Genome Comparisons

Evolutionary Relationships through Genome Comparisons

Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...

Modern Molecular Taxonomy

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...

Genome Annotation and Assembly

Genome Annotation and Assembly

The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.