Controlling the temperature to control the gene expression of phagocytic II colonies is also one of the important applications of gene expression regulation.

In the second biopool, another gene expression of phagocytosis II colonies is dominated by the treatment of chemicals to adjust the pH value, which is almost the same as the way phagocytosis I colonies treat industrial wastewater.

After two treatments in the biological sewage treatment tank, the mineral and microbial content of the upper water of the second sewage treatment tank (70% of the water in the upper part of the treatment tank) has reached the standard for drinking water. It can be directly connected to the water supply network such as waterworks, and can also be discharged into rivers, lakes and wetlands.

The lower water enters the first biological cesspool along with the dead colonies.

The lower water is re-treated with sewage, and the dead colonies, together with those impurities and insect corpses, are regularly cleaned up and used as ecological fertilizer (the heavy metal content of domestic sewage is not high) and returned to nature again.

Gao Siqi said: "Our sewage treatment mechanism is simple to treat, operation and maintenance is also simple, the most important thing is the culture medium, temperature control and the disposal of corpses. The biggest change of phagocytosis II colony is that the original anaerobic colony is changed to facultative anaerobic colony, whether oxygen is needed is not regulated by the external environment, and the colony is self-regulated, so the equipment of the treatment pool is simpler and the application range is wider. ”

The work of Gao Siqi's group fully meets Xiao Ming's needs, so that urban sewage can be treated just right, and even urban sewage can be discharged with zero!

"Show you something good!"

Gao Siqi took Xiao Ming to another corner, where there was a sealed metal instrument.

"Why do we say that we are little angels of environmental protection!" Gao Siqi opened the sealed metal instrument, then took a plastic bottle cap and threw it in, and then manipulated the device to raise the temperature to about 55 degrees.

More than ten minutes later, Gao Siqi called the metal instrument and asked the team members to pour out all the solutions inside, but there was no plastic bottle cap.

"We extracted Ideonella sakaiensis 201- The gene of F6 bacteria is implanted into the main bacteria of the phagocytosis II colony, and the gene regulation expression technology is used to enhance its expression, at 55 degrees, the gene can help the decomposition and digestion of polyethylene terephthalate and other plastic-like products of the phagocytosis II colony, the break of the ester chemical bond can provide energy for the colony, the carbon source can be used as the food source of the colony, and the plastic of the molecule is decomposed into small molecules of organic matter, and these small molecules of organic matter can be digested and decomposed by other bacteria in the colony, and finally achieve the purpose of complete decomposition of plastics。 ”

Gao Siqi's tone showed her pride, she said: "We can concentrate on processing plastic products separately, and incineration and recycling plastic are no longer the only way to dispose of plastic products." ”

Gao Siqi also said: "In the sewage treatment stage where plastic waste is heavily polluted, we can insert new biological treatment tanks into the first and second biological biological pools to degrade the plastic at a temperature of 55 degrees. ”

Gao Siqi took a deep breath and said, "My report is finished, now please drink water." ”

Wen Xueqing put the goblet on the glassware just now, opened the valve, and cool water flowed out from the top.

After taking the small half cup, Wen Xueqing handed the cup to Xiao Ming and said, "Try the taste?"

"Hahaha!" Xiao Ming smiled, "You poured the sewage into it just now, let me drink it now?"

Gao Siqi shrugged and said, "You should trust the results of our experiments. ”

Xiao Ming sighed and said, "Okay, you can't drink dead people anyway." ”

Jokes aside, Xiao Ming's heart knows that the laboratory of his laboratory is absolutely successful.

Drinking all the water in the goblet, Xiao Ming clicked his mouth.

"What does it smell like?" Gao Siqi asked.

"You haven't drunk it?" Xiao Ming asked rhetorically.

Everyone shook their heads seriously and replied in unison, "No!"

Wen Xueqing also rolled her eyes and said, "You will know the water quality through testing, why do you still drink it." ”

Xiao Ming was injured exponentially and became a guinea pig in the experimental team.

"Oh, just tell me what it tastes like. Gong Luyue said: "We must not only pursue water quality, but also taste!"

"The spirit of experimentation is commendable!" Xiao Ming said: "The taste is nothing special, it is the taste of ordinary drinking water, compared with tap water, the taste of no disinfectant water is worthy of affirmation." ”

With Xiao Ming's affirmation, everyone was relieved.

Gao Siqi said: "A detailed experiment report has been formed here, which can be used at any time. ”

This is an experiment to change the way sewage treatment is treated, and it can even cause revolutionary changes in urban environmental protection in the future.

The emergence of phagocytosis II colonies makes sewage treatment not only a patent for sewage treatment plants, but also in the future, communities, schools, hospitals, shopping malls and other places where people are concentrated can establish corresponding sewage treatment tanks, which will be directly managed by ZF departments and discharged into stormwater pipes after sewage treatment.

In the future, phagocytosis II colonies can also be used in a wide range of sewage treatment plants and water plants.

Xiao Ming simply flipped through the experimental report and was very satisfied.

After putting the report down, he said, "Gene expression regulation has been figured out, and we can apply it to a wider range of fields." ”

Gao Siqi agrees with Xiao Ming's statement: "The experiment of eukaryotes has also been successful, which is the key for us to open the door to the future biological world." ”

"Can you form a special paper?" asked Xiao Ming.

"Of course!" Gao Siqi was more excited, "We also have such a plan! You are a great contributor to success!"

If it weren't for Xiao Ming's ideas and methods for experiments, Gao Siqi and the others would still be wandering around under the methods of the research institute and couldn't find a way out.

"I'll do it right away. Gao Siqi said.

Writing an academic paper is not about writing an experimental report and operation guide, but requires detailed experimental data to support it, requires careful logical thinking ability, and needs to be able to withstand the scrutiny of the academic community. A successful academic paper marks a breakthrough and achievement in the field.

The matter was settled.

Gao Siqi was responsible for writing the paper, Gong Luyue and others were responsible for providing the data, and Xiao Ming and Gao Siqi were responsible for the final draft.

While Gao Siqi is writing his thesis, Xiao Ming will go to the sewage treatment plant and suburban sewage outlet with Wen Xueqing and others to conduct the last step of the experiment - practical application.

Gao Siqi and others settled down in the laboratory to concentrate on writing, and some harsh ringtones interrupted Gao Siqi's train of thought.

It was Jiang Lizhou, who called from his mentor, and Jiang Lizhou hoped that Gao Siqi could return to the institute to discuss an academic issue.

Gao Siqi was a little puzzled, "Teacher Jiang, hasn't my experiment report been handed in?"