Yuncheng Salt Insurance Center launched the Salt Lake Water System Survey of the 303 Day

The inside of the salt pond is a high -salt extreme environment, which is not conducive to the survival of creatures in it. However, there are still many microorganisms with special skills.

In the micro -world of Yanchi, there are at least three important "members", namely bacteria, ancient bacteria and phage.

The advantageous bacteria in salt ponds are mainly distributed in Firmicutes and Proteobacteria. The thick-walled bacteria doors refer to a type of bacteria with high peptides (about 50%-80%) and cell wall thickness (10-50 nm), which can account for more than 40%of the salt pond bacteria.

The deformation bacteria is also an advantageous bacteria in the salt pond. Its total can reach more than 30%of the salt pool bacteria. The shape of the bacteria has great diversity.

The phage is a virus that is specifically parasitized in bacteria. The phage in the salt pond is an important part of the ecological regulation of the salt pond.

We focus on a kind of salt -adequate bacteria in this issue.

Ancient bacteria, also known as pale bacteria, ancient bacteria, Taikoo bacteria, ancient nuclear cells or primary bacteria. It is a single -cell microorganism, and generally lives in extreme ecological environments. It can be said that ancient bacteria are the "limit" of life survival, and there are huge amounts of ancient bacteria in the salt pond in Yuncheng.

Experts of Yuncheng College said that ancient bacteria are a very special bacteria that have some characteristics of prokaryotes and the characteristics of true nuclear creatures. As far as ancient bacteria are concerned, it is closer to the relationship between the nuclear creatures and bacteria. However, the evolution of ancient bacteria is slower than bacteria and genuine eukaryotes, which may be to maintain a stable expression of special phenotype genes in extreme environments. Therefore, the ancient bacteria are considered the earliest form of life on the earth and valued by researchers in various fields.

So, what is the distribution of ancient bacteria in nature?

Studies have shown that with the increase of water compactization and salt concentration, the agglomerate group will show certain changes. For freshwater, the distribution and diversity of microorganisms are jointly determined by environmental factors and spatial factors. However, the low -concentration salt environment and high concentration salt environment are more special, and the structure and diversity of its ancient fungus may not be the same as that of freshwater. Moreover, the mineralization of saltwater lake and salt lake is very different. It is of great significance to study the community structure and diversity of its special resource ancient bacteria.

Experts from Yuncheng College said that, as the most important difference between saltwater lake and salt pond, mineralization is the most important factor affecting the diversity of the aura of saltwater lakes and salt ponds. Mineralization is significant to the diversity of ancient bacteria. The higher the mineralization, the lower the diversity of ancient bacteria. In Danshui Lake, the middle spring antibacterial population and the production of methane Guanggu bacteria occupy an advantage; in the saltwater lake, in addition to Zhongquan antisococcus groups and methane category, there are also some extensive saline -alkali -alkali -oriented broad Ancient fungus group; and evolving to Yancheng salt pond, the absolute advantage of the Guanggu bacteria gate groups, and basically the salt -loving or extreme salt -loving group in the salt bacteria family.

According to reports, in the salt pond in Yuncheng, Halonotius is its biggest advantageous bacteria, with a relative abundance of nearly 50%; salt and red bacteria are followed by about 20%-30%. resemblance. Furthermore is the genus of salt -alkaline monocyloma, Halobellus, and salt box bacteria. The relative abundance in the salt pond is not more than 6%, and the genetic distance of these three genus is closer and similar.

It is undeniable that there is a huge number of microbial groups in the salt pond in Yuncheng, which is a long -term and arduous task to clarify their condition.

At present, we have not yet mastered the dynamic changes of the current status of salt pond, such as the changes and advantages of salt pond microbes in different seasons, and this part of work needs to continue to increase investment.

Zhang Tong Zhu Runjiao Xue Jixin

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