the microorganism

The main pathways of metabolism for microorganisms were as follows: ** 1. Ways related to fermentation ** 1. **EMP Path ** - It was roughly divided into two stages. The first stage was the preparation stage, which produced the intermediate metabolism of Glyceralde- 3 -Phosphorate, and the second stage was the oxidoreduction reaction, which synthesized ATP-and formed Pyruvate. In the process of glycolysis, 2 molecules of ATPare consumed for the fermentation of sugar, but 4 molecules of ATPare synthesized. For every 1 molecules of glucose that is oxided, 2 molecules of ATPare obtained. During the synthesis of two molecules of 1,3-diphosphorous estergly ceric acid, two molecules of NAD were reduced to NAC. Due to the limited supply of NAD in the cell, the reaction was maintained by reducing Pyruvate and re-oxidising NRAD to NAD. For example, in yeast cells, Pyruvate was reduced to alcohol and released CO2, and in the cells of the Lactobacteria, Pyruvate was reduced to actic acid. The EMP pathway could provide ATP-and-NOD-H for the physiological activities of microorganisms, and the intermediate products could provide carbon skeletons for anabolic metabolism. Under certain conditions, it could reverse the synthesis of glycan. 2. **HMP pathway ** - Starting from glucose- 6 -phosphorous acid, the final result of a cycle was that 1 molecular of glucose- 6 -phosphorous acid was converted into 1 molecular of glyceride- 3 -phosphorous acid, 3 molecular of carbon dioxide, and 6 molecular of dashing acid. Generally, it was not a energy-producing pathway, but rather a large amount of reducing power (ADPM) and intermediate metabolism products for biochemistry. For example, ribulose- 5 -phosphorous acid could be used to synthesize nuclear acid, some cozymes, and histines. It could also be converted to ribulose-1,5-bisphosphorous acid to fix CO2, which was of great significance to some microorganisms. The produced NRMPH could be produced through respiratory chain fermentation, but it was not the main way of metabolism. Most of the microorganisms had this pathway, and it often coexisted with the EMP pathway. 3. **ED pathway ** - When studying Pseudomonads glycophile, it was found that glucose- 6 -phosphorous acid was first dehydrated to produce gluconate- 6 -phosphorous acid, followed by the action of dehydrases and aldolases to produce one molecular glyceride- 3 -phosphorous acid and one molecular methyruvate. Then, glyceride- 3 -phosphorous acid entered the EMP pathway and was converted to methyruvate. One molecules of glucose would eventually produce two molecules of methyruvate, one molecules of Ang, and one molecules of NAC and NAC through the ED pathway. ** 2. Biological Oxidation Type ** 1. ** Fermenting ** - The microorganisms directly transferred the electrons released by the organic matter to some intermediate product of the incomplete fermentation of the organic matter. At the same time, they released energy and produced various metabolism products. Under the conditions of fermentation, the organic compound was only partially oxided and only a small part of the energy was released. The fermentation process was coupled with the reduction of the organic matter. The reduced organic matter came from the catabolism of the initial fermentation and did not require an external electron receptor. Fermentable substances included sugar, organic acid, and so on. Among them, the fermentation of glucose by microorganisms was the most important. 2. ** Breathing (Aerobic Breathing and Aerobic Breathing)** - It was a way for heterotrophs to catalyze organic matter. It was distinguished from fermentation based on the difference in the electron receptor in the oxido-reduction reaction. The process of breathing involved biological fermentation, which included the combination with oxygen, dehydration, or loss of electrons. The process could be divided into three stages: dehydration (or electrons), hydrogen transfer (or electrons), and hydrogen acceptance (or electrons). Its functions included energy production, reducing power production, and the production of small intermediate molecules. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The following are some common fluorescent experiments: ##I. Microorganism fluorescence in place hybrids 1. ** Backstory ** - It was developed on the basis of in Situ hybrids. The technique was initially used for the analysis of DNA, and later expanded to the field of microorganisms. With the development of fluorescent tagging technology, the use of fluorescent labeled probes for in Situ blotting improved the sensitivity and specialization of detection. 2. ** Principle ** - Based on the principle of complementary base pairing, a specific fluorescent labeled probe was used to carry out a hybrid with the microorganisms in the cells, thereby carrying out qualitative and quantitative detection of the microorganisms. That is, the probe sequence and the sequence of the microorganisms to be tested complement each other to form a stable hybrid double-strand, and then the fluorescent signal is detected by a fluorescent detector to realize the quantitative and positioning analysis of the microorganisms. 3. ** Experiment Method ** - ** sample preparation **: Treat the sample to be tested to separate the microorganisms and maintain their activity. - ** Probe preparation **: Mark specific DNA or R A fragments to form fluorescent probes. - ** Fusion reaction **: Allow the sample and the probe to form a hybrid double-strand under certain conditions. - ** Washing and drying **: Remove the uncombined probes and impurities, and maintain the uniqueness of the hybrid signal. - ** fluorescence detection **: Use a fluorescence detector to detect the fluorescence signal of the sample and process the analysis data. 4. ** Experiment result ** - It can obtain qualitative and quantitative data of samples, has a high success rate, has strong specialization, can clearly detect the existence and quantity of target microorganisms, has high sensitivity, and can detect low copy number microorganisms. 5. ** Experiment Discussion ** - Its advantages include high sensitivity, high sensitivity, and the ability to maintain the integrity of the cell structure. However, there were still some shortcomings, such as the cumbersome preparation of the probe, the high requirements for the hybrid reaction conditions, the expensive fluorescent detection instrument, and the stability of the fluorescent probe may affect the reliability of the results. These factors should be taken into consideration when applying and suitable probes and experimental conditions should be selected. 6. ** conclusion ** - It had a wide application prospect in the research field. In addition to the detection of microorganisms, it could also be used for gene expression analysis, cell death research, etc. Although it was insufficient, it would have more application prospects as the technology developed and optimized. ##2. Experiment based on the ATP-bioluminescent method (related to fluorescence of microorganisms) 1. ** Principle ** - The reaction between the fluorescence and the ATP-containing microorganisms in the sample to be tested will produce fluorescence. The number of microorganisms will be determined according to the intensity of the fluorescence. The ATP-fluorescence detector is designed based on this principle. 2. ** Experimental verification ** - ** Validation of sensitivity **: The fluorescence values measured by the instrument showed obvious differences in the different concentration of the standard solutions of different ATPs, and there was a good linear relationship. The change curve was basically consistent with the change of the concentration of ATPs, which could accurately reflect the change in the number of microorganisms. - ** Verification of ability to deal with different bacteria species **: Test the detection effect of common bacteria species such as E. Coli, Staph. Aureus, and yeast. The equipment can accurately display different bacteria species and different concentration. - ** Test result stability verification **: Two different concentration of ATP-based solutions were selected for 10 tests. Regardless of whether it was a high concentration or a low concentration of ATP-based environment, the deviation of the equipment test results was less than 15%, showing good repetitiveness and stability. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

For the monitoring method of microorganisms on the surface of the object, the disinfection machine for different purposes has different microorganisms test items according to the requirements of the standard WS628 - 2018 "technical requirements for the hygiene and safety evaluation of disinfection products" and "technical specifications for disinfection" 2002 edition. For example, in Class I disinfection products, if the label and instruction manual indicate that it is used for high-level disinfection of medical devices and supplies, the spore killing test of the spore of the mutant of the black fungus of the mutant of If it is not indicated, a quantitative sterilization test of M. chelonae plus a vegetative form of bacteria should be carried out. In the laboratory test, if the label and instruction manual indicate that the high-level disinfection of the telescope is required, the quantitative sterilization test of the spores of the spores of the mutants of the spores of the mutants of the spores of the spores For Class II disinfection products, the labels and instructions indicate that for medical devices and supplies that are used for low-level disinfection, the killing test of Staph. aureus, E. Coli, Pseudomonads aerulosa and candida alternans should be carried out. In addition, if the label and instruction manual indicate that it is used for disinfection of the surface of sanitary ware, it should be subjected to a quantitative disinfection test of candida whiteness; if it is indicated that it has a killing effect on fungi, it should be subjected to a quantitative disinfection test of aspergillum niger. In the hospital environment, the study concluded that routine microbiology monitoring was not recommended except during nocuous outbreak. There was currently no acceptable or proven standard to indicate that environmental pollution was associated with the risk of infection. There was no more general routine monitoring method for microorganisms on the surface of the organism, so he could not answer accurately. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

With the improvement of food safety and environmental protection awareness, the demand for in vitro-detection reagents for microorganisms will continue to grow, and the market scale will continue to expand. The continuous advancement of biotechnology has continuously improved the accuracy and sensitivity of microorganisms detection reagents, further driving the market growth. New detection technologies such as gene sequences have also brought new opportunities to the market. Although the entry barrier for the market of microorganisms was relatively low and there were a large number of competitors, the overall prospects were still broad. According to the market scale data, the market scale of China's microorganisms detection industry grew rapidly. In 2022, the market scale of China's microorganisms detection industry reached 9.65 billion yuan, including 7.65 billion yuan of microorganisms diagnosis reagents. In addition, the prospects of China's in vitro-diagnosis market were still promising after removing the influence of the new crown. According to preliminary statistics, the market scale of China's in vitro-diagnosis market reached 126.3 billion yuan in 2023, which also provided a positive development environment for the market of microorganisms in vitro-detection reagents. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The whole process management of microorganisms involves many aspects. The following are some of the main contents: ** I. Preservation and Management of Microorganisms ** 1. ** Preservation Institution and Target ** - For example, the General Microbiology Center of the China Committee for the Collection of Microorganisms was responsible for preserving various bacteria, fungi, yeast, and thread-like fungi other than animal pathogenic bacteria, as well as the plasmid-like organisms and single-celled algae strains that existed in the host cells. 2. ** Preservation process ** - ** Submit Materials **: The depository should submit two tubes of the culture of the microorganisms and attach a letter of request. The request must state that the microorganisms requested to be deposited are used for patent procedures, the name of the person requesting it or the name and address of the organization, and the conditions required for the cultivation, preservation, and survivability test of the microorganisms (When preserving a mixed culture of several microorganisms, the composition and at least one method to check the existence of each component should be stated), the classification and naming (with the name in the Latin-language) or identification symbols given by the petitioner to the preserved microorganisms, and a description of the characteristics of the microorganisms that are dangerous to health or the environment or a description that the petitioner does not know whether they have such characteristics. For foreigners who do not have a habitual residence or business office in China, they should go through the patent agency designated by the State Council. - ** Preservation method and responsibility **: The preservation center generally uses the method of freeze-drying or liquid nitrogen preservation. It is not responsible for reviewing the biological characteristics of the microorganisms requested for preservation. If the petitioners require a special preservation method or a re-examination of the biological characteristics and classification of the microorganisms, they should sign a separate contract with the preservation center when submitting the culture of the preserved microorganisms. - ** Preservation period and notification **: The preservation period of the preservation center is at least 30 years from the date of receipt of the microorganisms. After receiving a request to submit a sample of the microorganisms before the deadline, it should be preserved for at least five years. The preservation center shall, within one month from the date of receiving the culture of the microorganisms, conduct a survival test on the microorganisms requested for preservation. In addition to registering the test results with the preservation center, it shall also notify the person requesting the preservation and the patent office. - ** Preservation certificate and confidentiality **: When the preservation center receives the preservation request and the culture of the microorganisms, it shall give the person requesting it a written certificate, which shall include the name and address of the preservation institution, the name of the person requesting it or the name and address of the institution, the date of receipt of the culture of the microorganisms, the preservation number of the preserved microorganisms given by the preservation center, and the seal of the preservation center or the signature of the person in charge. During the preservation period, the preservation center shall be responsible for confidentiality and shall not provide any information and samples of the microorganisms to any third party. - ** Regulations on the provision of samples **: Before the patent application is rejected, withdrawn or deemed to be withdrawn, or before the patent right is granted, the preservation center shall only provide the samples of the microorganisms to the entities or individuals approved by the China patent office. After the patent application is rejected, withdrawn or deemed to be withdrawn, or after the patent right is granted, the preservation center shall provide the samples of the microorganisms to the entities or individuals designated by the person requesting the preservation of the microorganisms. When the preservation center provides the samples of the preserved microorganisms, it shall record in the register the name or the name and address of the requesting party who provides the samples of the microorganisms, the declaration that the requesting party guarantees not to transfer the microorganisms to any third party, the preservation number of the microorganisms provided and its brief description, and the date of providing the samples of the microorganisms. - ** Charging standard **: Storage fee (30 years) 1500 yuan; Survival report (per plant) 120 yuan; providing samples (per plant) 100 yuan; other payment standards are determined by the parties concerned. ** II. Microorganism Management in Human Health ** 1. ** Gut Microorganism Management ** - ** Effect of diet **: diet has a significant effect on the gut microflora. For example, different types of diet can cause changes in gut bacteria. The combination of omnivores, vegetarian food, meat food, and a diet containing probiotic yogurt would cause a great change in the composition of the gut bacteria community in the short term. Eating meat may cause a sharp decline in the number of certain bacteria that can reduce inflammation, while some bacteria related to obese may flourish. Eating fruits and vegetables can help maintain the balance of intestinal bacteria, and bacteria can also process plant fibers into short-chain fatty acid, which plays an important role in regulating physiological processes and maintaining the health of the intestine. - ** Dealing with the effects of antibiotics **: Antibiotic has a great impact on the gut bacteria. The use of antibiotics will indiscriminately kill harmful and beneficial bacteria, which may cause diarrhea, chronic inflammation, or intestinal disorder. If antibiotics must be used, probiotic bacteria should be supplemented during the period. Although it could not replace all the removed bacteria, it could temporarily fill the "vacuum" and prevent the invasion of bacteria. However, the effectiveness of probiotic bacteria in the intestines decreased rapidly with time. 2. ** Mouth Microorganism Management ** - [Food and oral hygiene: The balance of oral bacteria is related to eating habits.] The bacteria in the healthy mouth were rich in variety, while the bacteria in the unhealthy mouth were relatively simple. For example, streptococci mutans could break down sugar to produce acidic substances, while the red bacteria could cause inflammation. Too many of these two bacteria could lead to tooth decay, gum disease, and other problems. In severe cases, streptococci mutans could enter the bloodstream and cause rheumatism or endomyochondritis. Other bacteria in the healthy mouth can balance the power of these two types of bacteria. - ** oral hygiene measures **: Chewing sugar-free chewing gum can stimulate saliva secretion and help maintain oral hygiene. Chewing on the chewy gum is better because the chewy gum cannot be digested by harmful bacteria. It will accumulate in the body of the bacteria and cause them to die. 3. ** Skin Microorganism Management **: Overbathing is not conducive to the balance of skin microorganisms. Maintaining an appropriate cleaning frequency helps to maintain the stability of the skin's microflora. For example, wiping samples from underarms, cheeks, back, and feet after four days of not showering could identify hundreds of bacteria. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

Microorganism cultivation was a basic operation in microbiology research. It involved providing a suitable growth environment for microorganisms to reproduce and grow for subsequent research or application. For example, in the fermented process of Pu 'er tea, the turning process involved the principle of microorganisms cultivation. The temperature at the top, center, and bottom of the pile was different, and the growth of microorganisms required oxygen. By turning the pile, the temperature could be more uniform and the amount of oxygen could be increased, which was beneficial to the growth of microorganisms and beneficial bacteria. Transgenetic technology was the introduction of artificially separated and modified genes into the organism's genomes, allowing the organism to possess traits that it did not originally possess. Microorganism genetic modification was one of the important branches. For example, students from Shanghai Nuomei School learned how to produce biological colors through genetically modified bacteria under the guidance of teachers in the "Future Biology" scientific research project. The process included making culture medium plates, inoculating and cultivating bacteria, making competent cells, transferring target genes, cultivating and screening, and finally extracting biological colors and completing a thousand-word experimental report in English. Transgenetic technology was currently widely used in medicine, industry, agriculture, environmental protection, energy and other fields. Microbiological genetic modification technology also played a role in these fields. For example, in 1982, the Food and Drug Administration of the United States approved the commercial production of human hormone produced by genetically modified microorganisms, which was the world's first commercial application of genetically modified products. In the industry, genetically modified engineering bacteria could be used to produce food preparation, food preparation, and washing preparation. However, there are certain risks in the genetic modification of microorganisms. Food supplements produced by genetically modified microorganisms may bring health risks, such as the unhealthy genetically modified protein and the disruption of the normal gene expression of microorganisms during the gene inserting process. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

Microbiological agents were an effective method to improve saline-alkalized soil. There were too many salt and basic substances in the soil of saline-alkalized land, which limited the growth and development of crops. The effect of traditional improvement methods was limited, and the microorganisms could significantly improve the quality of saline-alkalized land and crop yield. The principle was to adjust the chemical properties of the soil and the structure of the microorganisms by introducing specific microorganisms, such as salt-tolerant bacteria and alkali-tolerant bacteria, to improve the soil conditions. These microorganisms could use the organic matter in the soil to degrade salt and alkali-based substances to reduce the degree of salinity and increase the soil's penetrability and water-holding capacity. Different saline-alkalized soil had different soil properties and composition of microorganisms, so the selection of microorganisms should be based on the specific situation. For example, salt-tolerant bacteria and halogenic fungi with salt-tolerant ability could be selected for high-salt saline-tolerant soil; and bacteria with alkali-adaptability such as alkali-tolerant bacteria and alkali-tolerant fungi could be selected for high-alkali-tolerant soil. When it was used, the soil was first prepared for weeding and ploughing, and then the microorganisms were mixed with an appropriate amount of water, evenly sprayed on the surface of the soil or directly applied to the soil, and then watered, covered, and managed according to the situation to promote its growth and reproduction. However, the improvement effect usually takes a certain amount of time to appear. During the use, attention should be paid to controlling the dosage and frequency of application to avoid excessive use of the microorganisms that would cause excessive reproduction or negative effects. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>