microsporocytes

简明释义

英[ˌmaɪkrəˈspɔːrəsaɪt]美[ˌmaikroʊˈspɔːrəˌsait]

n. [植] 小孢子母细胞

英英释义

单词用法

同义词

反义词

例句

1.In the process of litchi flower differentiation, the microspore abortion induced by external ethylene starts from the transition period (from sporogenous cells to microsporocytes).

花分化过程中，外源乙烯诱导小孢子败育起始于造孢细胞至小孢子母细胞时期。

2.When sporogenous cells in potato anther produced 3-4 layers they became microsporocytes.

马铃薯花药中的造孢细胞产生3 ~4层时，进而变成小孢子母细胞。

3.There are some cytoplasmicchannels present between adjacent microsporocytes.

相邻小孢子母细胞之间有胞质通道。

4.In the process of litchi flower differentiation, the microspore abortion induced by external ethylene starts from the transition period (from sporogenous cells to microsporocytes).

花分化过程中，外源乙烯诱导小孢子败育起始于造孢细胞至小孢子母细胞时期。

5.The study focused on the genetic regulation of microsporocytes 小孢子母细胞 differentiation.

该研究集中于 microsporocytes 小孢子母细胞 分化的遗传调控。

6.During pollen development, microsporocytes 小孢子母细胞 play a crucial role in generating male gametes.

在花粉发育过程中，microsporocytes 小孢子母细胞 在产生雄性配子中起着至关重要的作用。

7.Researchers studied the formation of microsporocytes 小孢子母细胞 in various plant species.

研究人员研究了不同植物物种中 microsporocytes 小孢子母细胞 的形成。

8.In the life cycle of flowering plants, the development of microsporocytes 小孢子母细胞 occurs in the anthers.

在开花植物的生命周期中，microsporocytes 小孢子母细胞 的发育发生在花药中。

9.The microsporocytes 小孢子母细胞 undergo meiosis to produce haploid microspores.

microsporocytes 小孢子母细胞 经过减数分裂产生单倍体小孢子。

作文

In the fascinating world of plant biology, the role of microsporocytes is crucial for the reproduction of seed plants. These specialized cells are found within the anthers of flowering plants and are responsible for producing male gametes through a process known as meiosis. Understanding the function and significance of microsporocytes (小孢子母细胞) can provide insights into the broader mechanisms of plant reproduction and diversity. To begin with, microsporocytes are diploid cells that undergo meiosis to form haploid microspores. This transformation is essential because it leads to the formation of pollen grains, which are the male gametophytes in seed plants. The process starts when the anther develops and the microsporocytes initiate meiosis. Each microsporocyte divides twice, producing four haploid microspores from each original diploid cell. The significance of microsporocytes extends beyond their role in meiosis; they also contribute to genetic variation within plant populations. During the meiotic process, crossing over occurs, where segments of DNA are exchanged between homologous chromosomes. This genetic shuffling is vital for evolution, as it increases the genetic diversity of the resulting pollen grains. When these grains fertilize ovules, they create seeds that carry unique combinations of genetic material, allowing plants to adapt to their environments. Moreover, the study of microsporocytes has practical implications for agriculture and horticulture. By understanding how these cells function, scientists can develop better strategies for crop improvement. For instance, manipulating the meiotic process can lead to the production of hybrid plants that exhibit desirable traits such as increased yield, disease resistance, or improved nutritional value. In addition to their agricultural importance, microsporocytes are also vital for biodiversity conservation. Many plant species are at risk due to habitat loss and climate change. By studying the reproductive processes involving microsporocytes, conservationists can devise methods to preserve endangered plant species and maintain healthy ecosystems. Furthermore, the exploration of microsporocytes opens doors to advancements in biotechnology. Researchers are investigating ways to utilize these cells for genetic engineering purposes. For example, scientists can introduce specific genes into microsporocytes to create transgenic plants that possess enhanced traits. This technology holds promise for addressing global challenges such as food security and environmental sustainability. In conclusion, microsporocytes (小孢子母细胞) play a pivotal role in the reproductive cycle of seed plants. Their function in meiosis not only facilitates the production of pollen grains but also contributes to genetic diversity and adaptation. The implications of studying microsporocytes extend to agriculture, conservation, and biotechnology, making them an essential focus for researchers and practitioners in the field of plant science. As we continue to explore the intricacies of plant reproduction, the understanding of microsporocytes will undoubtedly enhance our ability to foster sustainable practices and protect our planet's biodiversity.