Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Mechanistic Models: Compartment Models in Individual and Population Analysis01:23

Mechanistic Models: Compartment Models in Individual and Population Analysis

226
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
226
Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

61.6K
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
61.6K
Gene Flow02:39

Gene Flow

37.3K
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
37.3K
Natural Selection and Mating Preferences01:06

Natural Selection and Mating Preferences

453
The principle of natural selection posits that organisms better adapted to their environment are more likely to survive and reproduce. This principle is closely intertwined with mating preferences, a key aspect of sexual selection, which evolutionary psychologists believe is driven by instincts to propagate one's genes. Such instincts significantly influence mating behaviors and preferences between genders.
Females, due to their biological roles in conception, pregnancy, and nursing,...
453
Steps in Outbreak Investigation01:18

Steps in Outbreak Investigation

468
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
468
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving01:29

Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving

261
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
261

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Effects of storage conditions on oxidative stress biomarkers: methodological implications for ecological and evolutionary studies.

The Journal of experimental biology·2026
Same author

Does a Father's Social Environment Influence Their Sons' Sperm Sex Ratio? Potential for the Epigenetic Transmission of a Sex-Allocating Mechanism.

Ecology and evolution·2025
Same author

Temperature can reverse sexual conflict, facilitating population growth.

Evolution letters·2025
Same author

Sexual selection and population spatial structure interact to shape sex-specific evolutionary responses in physiology.

Journal of evolutionary biology·2025
Same author

Silent cells? Potential for context-dependent gene expression in mature sperm.

Proceedings. Biological sciences·2025
Same author

Applying an evolutionary perspective to assisted reproductive technologies.

PNAS nexus·2024

相关实验视频

Updated: Jan 8, 2026

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

1.3K

基于代理的建模揭示了交配系统进化和疾病动态之间的反循环和非线性.

Riccardo Tarantino1, Francisco Garcia-Gonzalez2,3

  • 1Department of Humanities, University of Palermo, Palermo, Italy.

PloS one
|December 18, 2025
PubMed
概括

这项研究揭示了性传播疾病和交配策略之间的反循环. 病原体的存在和传播率影响着交配系统的演变,疾病的消失可能预测了多的灭绝.

科学领域:

  • 进化生物学是进化的生物学.
  • 流行病学 流行病学
  • 行为生态学 行为生态学

背景情况:

  • 交配系统进化和性传播疾病 (STD) 之间的相互作用是研究不足的.
  • 了解这些相互影响对于进化和流行病动态至关重要.

研究的目的:

  • 研究病原体传播能力和雌性交配策略的演变之间的反循环 (一夫多妻制).
  • 探索由性病影响的交配系统中新出现的行为和临界点.

主要方法:

  • 开发了一个基于代理的模型来模拟在性病传播下交配策略的演变.
  • 与假设的性病相关的综合生殖成本.

主要成果:

  • 确认了病原体传播能力和交配策略演变之间的反循环.
  • 观察到的非线性动态和临界点,包括无病和流行病状态之间的切换.
  • 疾病的消失可能预示着多雄性策略的灭绝;高传播率可以抑制多雄性.

结论:

  • 疾病动态和性行为之间的相互影响为STD传播和生殖战略演变提供了洞察力.
  • 交配系统对生态和疾病背景的变化敏感.

更多相关视频

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
20:36

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling

Published on: July 4, 2007

9.1K
Oral Bacterial Infection and Shedding in Drosophila melanogaster
09:32

Oral Bacterial Infection and Shedding in Drosophila melanogaster

Published on: May 31, 2018

12.4K

相关实验视频

Last Updated: Jan 8, 2026

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

1.3K
Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
20:36

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling

Published on: July 4, 2007

9.1K
Oral Bacterial Infection and Shedding in Drosophila melanogaster
09:32

Oral Bacterial Infection and Shedding in Drosophila melanogaster

Published on: May 31, 2018

12.4K