相关实验视频
Updated: Jul 11, 2025

09:47
Spotting Cheetahs: Identifying Individuals by Their Footprints
Published on: May 1, 2016
14.9K
狮子定位器:使用线粒体DNA推断狮子 (Panthera leo) 的来源的软件工具
Wesley C Au1, Simon G Dures2, Yasuko Ishida3
1School of Information Sciences, University of Illinois at Urbana-Champaign, Champaign, IL, United States.
The Journal of heredity
|November 12, 2023
概括
非法偷猎狮子的身体部位是一个主要的威胁. 一个新的工具,狮子定位器,使用DNA追踪被扣押的部分到它们的起源,帮助保护努力反对偷猎.
科学领域:
- 保护遗传学 保护遗传学
- 野生动物法医学
- 生物信息学是一种生物信息学.
背景情况:
- 非法偷猎和报复性杀戮严重威胁着非洲狮子种群.
- 对狮子身体部位的需求有助于直接偷猎和冲突驱动的杀戮.
- 确定被扣押的狮子部分的地理来源对于打击非法野生动物贸易至关重要.
研究的目的:
- 开发和介绍狮子定位器,这是一个软件工具,用于识别狮子身体部位的地理来源.
- 为法医分析创建狮子线粒体DNA (mtDNA) 序列的综合数据库.
- 通过追踪走私的狮子标本来支持反偷猎的努力.
主要方法:
- 汇编了来自非洲和印度146个地方的狮子mtDNA序列的综合数据库.
- 开发一个全软件工具,Lion Localizer,用于查询mtDNA序列.
- 使用细胞染色体b区域序列 (350或1,140bp) 进行数据库比较.
- 在交互式地图上显示查询结果,以可视化被扣押的狮子部分的潜在来源.
主要成果:
- 狮子定位器数据库包含了广泛的mtDNA序列数据,涵盖了各种狮子种群.
- 该软件成功地将被查询的狮子mtDNA序列与潜在的地理来源相匹配.
- 结果呈现在交互式地图上,有助于快速识别偷猎热点.
结论:
- 狮子定位器是一种有效的工具,用于确定被扣押的狮子身体部位的来源.
- 这项技术有助于识别偷猎热点,了解贩运路线.
- 狮子定位器为保护战略和执法部门提供了宝贵的支持,以打击狮子偷猎.
相关概念视频
Evolutionary Relationships through Genome Comparisons
5.8K
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...
5.8K
Animal Mitochondrial Genetics
7.6K
Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
7.6K
Modern Molecular Taxonomy
23
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...
23

