2 major problems, 7 methods to easily improve the success rate of gut microbiome cultivation

Gut microbiome

“ Gut microbiome culture is a systematic cultivation and in-depth study of the gut microbiota, which can provide a more comprehensive understanding of the types, quantities, functions, and relationships between gut microbiota and human health. It helps to reveal the role of gut microbiota in human health, disease occurrence, and development, and provides new ideas and methods for disease prevention and treatment.”

challenges faced/

The gut microbiota exhibits complexity and diversity, including various types of microorganisms such as bacteria, fungi, viruses, etc. Cultivating these microorganisms is not an easy task, and there are a series of challenges and difficulties in the process:

Many gut microbiota have an impact ongrowth conditionsThe requirementsExtremely demandingThey require specific nutrients, precise gas environment, and constant temperature to sustain life activities,accuracyThe requirements have increased the technical challenges faced during the training process.

In addition, there are complex interactions between gut microbiotaSymbiosis and CompetitionThe growth of certain microorganisms may even depend on specific substances produced by other microorganisms, and this subtle interdependence makes it difficult for us to simulate their natural growth environment when attempting to cultivate a particular microorganism alone, which in turn affects its growthSuccess rate of cultivation.

Value and Meaning/

However, the cultivation of gut microbiome has significant value and significance at multiple levels:

The cultivation technology of gut microbiome can accuratelySeparation and identificationSpecific gut microbiota allows us to delve deeper into their biological characteristics and functions, providing more detailed insights into their roles in ecosystems and their associations with human health.

This type of cultivation technique is beneficial for researchIntestinal microbiota and hostThe relationship between health and disease is crucial. It can more clearly understand the potential relationship between intestinal microbes and common health problems such as obesity, diabetes, inflammatory bowel disease, and provide new ideas for disease prevention and treatment.

The cultivation technology of gut microbiome also provides a solid foundation for the development of gut microbiome based treatment methods, such as the development of more effectiveprobiotic therapyandFecal microbiota transplantation technologyTo open up new avenues for treating intestinal diseases and other related health issues.

method /

To improve the success rate of gut microbiome culture, it is usually used to cultivate gut microbiotaSimulate intestinal environmentThe culture medium and conditions are used to improve the success rate of cultivation.

Sample collection and processing

-Ensure that the collected samples are fresh and free from contamination, and conduct cultivation as soon as possible

-Adopting gentle treatment methods to avoid damage to microorganisms

Long term cultivation and passage

-Given sufficient cultivation time, some microorganisms may grow slowly

-Pay attention to the correct passage method to prevent microbial mutation or death

Combining multiple technologies

-Combining cultivation methods with non cultivation molecular biology techniques such as metagenomics to gain a more comprehensive understanding of gut microbiota

Pre cultivation and enrichment

-The sample can be pre cultured or enriched first to increase the relative abundance of target microorganisms and improve the chances of successful cultivation

Create suitable cultivation conditions

-Control temperature and acidity/alkalinity（pH）Adjust the parameters to approximate the physiological conditions in the intestine-Maintain appropriate osmotic pressure and redox potential-Consider using low concentrations of oxygen or strict anaerobic conditions, as many microorganisms in the gut are anaerobic bacteria that can be operated and cultured in anaerobic workstations-Simulate the dark environment of the intestine

Adopting co cultivation technology

-There are symbiotic or synergistic relationships between certain gut microbiota, and co cultivation of related microorganisms may contribute to their growth

Optimize the composition of the culture medium

-Simulate the nutritional environment in the intestine as much as possible, including adding complex carbohydrates, short chain fatty acids, amino acids, vitamins, etc

ROTOR+ /

High density co cultivation in anaerobic environment

ROTOR+canimplement96、384、1636、6144densityCo cultivation,25Various densities of co cultivation operations can be achieved in seconds.ROTOR+Combined with anaerobic outer cover, it can achieveanaerobic conditionsThe co cultivation operation below.

Can be usedSingle cell sorting technologyandROTOR+Combining high-throughput screening technology,filterSuitable components of the culture medium.