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

Introduction to Plant Diversity02:22

Introduction to Plant Diversity

48.6K
From Water to Land
48.6K
Seedless Vascular Plants03:24

Seedless Vascular Plants

66.6K
Seedless Vascular Plants Were the First Tall Plants on Earth
66.6K
Spermatogenesis01:41

Spermatogenesis

122.0K
Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male...
122.0K
Spermatogenesis01:22

Spermatogenesis

8.9K
Spermatogenesis is a complex process that involves the development of sperm cells from undifferentiated stem cells in the seminiferous tubules of the testes. The process is essential for the production of mature and functional sperm cells that are capable of fertilizing an egg.
The process of spermatogenesis can be divided into mitosis, meiosis, and spermiogenesis. During mitosis, the spermatogonia or stem cells divide to produce two identical daughter cells, type A and B spermatogonia. Type-A...
8.9K
The Angiosperm Life Cycle02:39

The Angiosperm Life Cycle

72.1K
Plants have a life cycle split between two multicellular stages: a haploid stage—with cells containing one set of chromosomes—and a diploid stage—with cells containing two sets of chromosomes. The haploid stage is the gamete-producing gametophyte, and the diploid stage is the spore-producing sporophyte.
72.1K
Non-vascular Seedless Plants02:26

Non-vascular Seedless Plants

70.9K
The diverse plant life on Earth—consisting of nearly 400,000 species—can be divided into three broad categories based on biological characteristics: nonvascular, seedless vascular, and seed plants.
70.9K

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

<i>Ceropegia gengmaensis</i> (Apocynaceae), a new species from Yunnan, China.

PhytoKeys·2026
Same author

<i>Saxifraga zhiminiae</i> (Saxifragaceae), a new species from Xizang, China.

PhytoKeys·2026
Same author

<i>ZmbHLH81</i> Enhances Maize Drought Tolerance via Direct Transcriptional Activation of ABA Signaling and ROS Scavenging Genes.

International journal of molecular sciences·2026
Same author

DNA-based identification of plants and the genomic nature of plant species differences.

Communications biology·2026
Same author

Ectopic cambia in wisteria vines are associated with the expression of conserved KNOX genes.

Nature communications·2026
Same author

Phylogenomics, ecomorphological evolution, and historical biogeography in Deuterocohnia (Bromeliaceae: Pitcairnioideae).

American journal of botany·2026
Same journal

Plant biology for a changing world: Expert reviews on crop resilience, breeding, and emerging technologies.

Journal of integrative plant biology·2026
Same journal

Engineered diazotrophs with host-inducible nitrogen supply systems: Transforming rice farming through innovative nitrogen biofertilizers.

Journal of integrative plant biology·2026
Same journal

Engineered nanoparticles at the redox interface: Rewiring ROS signaling and stress responses in plants.

Journal of integrative plant biology·2026
Same journal

Enhanced Cas12i3 system enables precise OsAUX3 editing for rice grain improvement.

Journal of integrative plant biology·2026
Same journal

The ZFP36/ZFP252-OsDOG1L1-OsPP2Cs module regulates seed germination in rice.

Journal of integrative plant biology·2026
Same journal

Orchid genome evolution and trait innovation.

Journal of integrative plant biology·2026
查看所有相关文章

相关实验视频

Updated: Jan 18, 2026

Author Spotlight: Whole-Mount Fluorescence In Situ Hybridization to Study Spermatogenesis in the Anopheles Mosquito
05:31

Author Spotlight: Whole-Mount Fluorescence In Situ Hybridization to Study Spermatogenesis in the Anopheles Mosquito

Published on: May 26, 2023

3.0K

空间分布模式和全球精子细胞的形成.

Xian-Han Huang1,2, Tao Deng1,2, Jun-Tong Chen1,2

  • 1State Key Laboratory of Plant Diversity and Specialty Crops, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China.

Journal of integrative plant biology
|May 23, 2025
PubMed
概括
此摘要是机器生成的。

使用机器学习研究了种子植物 (精子细胞) 的空间进化. 种子植物起源于冈德瓦纳,具有独特的形成时间和航线,适用于宇宙,热带和温带元素.

关键词:
K-表示集群.精子体空间进化系统的进化系统配送中心的配送中心.形成机制机制的形成机制形成时间 形成时间原产地 位置 原产地 位置

更多相关视频

Cytological Analysis of Spermatogenesis: Live and Fixed Preparations of Drosophila Testes
10:30

Cytological Analysis of Spermatogenesis: Live and Fixed Preparations of Drosophila Testes

Published on: January 20, 2014

29.7K
Sexual Development and Ascospore Discharge in Fusarium graminearum
08:20

Sexual Development and Ascospore Discharge in Fusarium graminearum

Published on: March 29, 2012

22.5K

相关实验视频

Last Updated: Jan 18, 2026

Author Spotlight: Whole-Mount Fluorescence In Situ Hybridization to Study Spermatogenesis in the Anopheles Mosquito
05:31

Author Spotlight: Whole-Mount Fluorescence In Situ Hybridization to Study Spermatogenesis in the Anopheles Mosquito

Published on: May 26, 2023

3.0K
Cytological Analysis of Spermatogenesis: Live and Fixed Preparations of Drosophila Testes
10:30

Cytological Analysis of Spermatogenesis: Live and Fixed Preparations of Drosophila Testes

Published on: January 20, 2014

29.7K
Sexual Development and Ascospore Discharge in Fusarium graminearum
08:20

Sexual Development and Ascospore Discharge in Fusarium graminearum

Published on: March 29, 2012

22.5K

科学领域:

  • 植物学 植物学
  • 进化生物学 进化生物学
  • 生物地理学 生物地理学 生物地理学

背景情况:

  • 种子植物 (精子细胞) 的进化历史在暂时上得到了充分的记录,但它们的空间进化仍未得到充分研究.
  • 基于分类的空间进化方法对于理解全球植物分布模式至关重要.

研究的目的:

  • 构建一个精子细胞空间进化系统 (SSES),对全球精子细胞进行分类.
  • 分析精子细胞分布的空间进化模式和驱动因素.

主要方法:

  • 429个精子细胞家族的综合地理分布和原产地.
  • 应用无监督机器学习来分类分布类型和超级类型.
  • 分析了基于起源和形成的植物元素 (世界性,热带,温带).

主要成果:

  • 在三个植物元素中将全球精子细胞分为18种分布类型和6种超级类型.
  • 发现主要起源于冈德瓦纳,温带元素是最古老的和最年轻的 kosmopolitan.
  • 确定了三级时期 (生态新世纪-新世纪) 作为关键的形成时间,由气候,分散和构造学驱动.

结论:

  • 精子细胞的空间进化受到类似的形成过程和机制的影响.
  • 类似的分布模式源于跨植物元素,超级类型和类型的共同进化驱动因素.
  • 提供了对全球精子体空间进化和分布驱动因素的新见解.