相关实验视频
Updated: Jun 23, 2025

09:08
Dissection and Live-Imaging of the Late Embryonic Drosophila Gonad
Published on: October 17, 2020
3.2K
两种C. elegans的DM域蛋白,DMD-3和MAB-3,在男性体性淋巴发育的晚期阶段起作用
Michele Smith1, Megan Lesperance1, Alyssa Herrmann1
1Biology Department, Siena College, Loudonville, NY, 12211, USA.
Developmental biology
|June 16, 2024
概括
DM-domain转录因子MAB-3和DMD-3对于Caenorhabditis elegans男性性腺发育至关重要,调节左侧细胞迁移,吞和及时细胞死亡,以获得适当的两形性质.
科学领域:
- 发展生物学 发展生物学
- 遗传学 是一个遗传学.
- 分子生物学分子生物学
背景情况:
- 性二态化需要性别确定途径来修改发育程序.
- DM-domain基因与动物的性别决定有关,特别是男性性腺形成.
研究的目的:
- 为了研究DM域转录因子MAB-3和DMD-3在C. elegans男性体质性腺发育中的功能.
- 阐明MAB-3和DMD-3在生殖腺晚期发育中的作用,包括左侧细胞迁移和吞.
主要方法:
- 对发展中的雄性C. elegans. mab-3和dmd-3基因表达模式的分析.
- 对野生类型和mab-3;dmd-3双突变雄性中左侧细胞迁移,形状和吞的检查.
- 研究由MAB-3和DMD-3调节的下游基因标.
主要成果:
- MAB-3和DMD-3在L4雄性链接细胞和后肠中共同表达,而dmd-3也在假定的分泌管中表达.
- mab-3;dmd-3双变异体在左侧细胞迁移中表现出缺陷,被后肠吞,并延迟细胞死亡.
- MAB-3和DMD-3调节链接细胞中zip-5和ZMP-1的表达.
结论:
- DM-domain转录因子MAB-3和DMD-3对于C. elegans男性体性腺体形成的多个阶段至关重要.
- 这些发现支持这样一个假设,即早期的DM域基因参与了双胞胎祖先的男性生殖腺发育.
更多相关视频
10:07Measuring Sperm Guidance and Motility within the Caenorhabditis elegans Hermaphrodite Reproductive Tract
Published on: June 6, 2019
12.2K
08:01Computational Analysis of the Caenorhabditis elegans Germline to Study the Distribution of Nuclei, Proteins, and the Cytoskeleton
Published on: April 19, 2018
6.3K
相关概念视频
Dosage Compensation
6.2K
In animals, gender is determined by the number and type of sex chromosome. For example, human females have two X chromosomes, and males have one X and one Y chromosome, whereas C.elegans with one X chromosome is a male, and the one with two X chromosomes is a hermaphrodite.
In addition to sexual development, the X chromosome has genes involved in autosomal functions such as brain development and the immune system. Therefore, males and females with distinct numbers of X chromosomes will...
In addition to sexual development, the X chromosome has genes involved in autosomal functions such as brain development and the immune system. Therefore, males and females with distinct numbers of X chromosomes will...
6.2K
The Ratio of X Chromosome to Autosomes
8.5K
In most organisms, sex is determined by the ratio of X and Y chromosomes. However, in some organisms, such as Drosophila and C.elegans, sex is determined by the ratio of the number of X chromosomes to the number of sets of autosomes. The Y chromosome in Drosophila is active but does not determine sex. It contains genes responsible for the production of sperms in adult flies.
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female...
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female...
8.5K