# R2a agar

> culture medium used in microbiology

**Wikidata**: [Q7274495](https://www.wikidata.org/wiki/Q7274495)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/R2A_agar)  
**Source**: https://4ort.xyz/entity/r2a-agar

## Summary
R2a agar is a culture medium used in microbiology to support the growth of microorganisms. It is a solid growth medium, also known as R2A agar or Reasoner's 2A agar, designed for cultivating a wide range of microbial species in laboratory settings.

## Key Facts
- R2a agar is a culture medium used in microbiology for the growth of microorganisms.
- It is also known as R2A agar and Reasoner's 2A agar.
- It is classified as a growth medium, a substance used to cultivate microorganisms or cells.
- R2a agar has sitelinks in 4 languages on Wikidata.
- Its Wikipedia page is available in English, French, Japanese, and Thai.
- The medium is identified by the discontinued Microsoft Academic ID 2781018502 and Freebase ID /m/03ccxny.

## FAQs
### Q: What is R2a agar used for?
A: R2a agar is used in microbiology laboratories to cultivate and isolate a variety of microorganisms, supporting their growth under controlled conditions.

### Q: What are the alternative names for R2a agar?
A: R2a agar is also known as R2A agar and Reasoner's 2A agar.

### Q: Is R2a agar a liquid or solid medium?
A: R2a agar is a solid growth medium, as it contains agar, which acts as a gelling agent to provide a stable surface for microbial growth.

## Why It Matters
R2a agar is significant in microbiology as a reliable medium for cultivating diverse microbial species. Its formulation supports the growth of a wide range of organisms, making it a versatile tool for research, environmental monitoring, and clinical diagnostics. By providing a controlled environment for microbial growth, R2a agar facilitates studies on bacterial behavior, identification, and isolation, contributing to advancements in fields such as public health and biotechnology.

## Notable For
- R2a agar is distinguished by its alternative names, including R2A agar and Reasoner's 2A agar, reflecting its development and standardization in microbiological practices.
- It is specifically formulated as a solid medium, utilizing agar to create a stable growth environment for microorganisms.
- The medium's versatility supports the cultivation of a wide range of microbial species, making it a preferred choice in various laboratory settings.

## Body
### Classification and Purpose
R2a agar is categorized as a growth medium, a specialized substance designed to support microbial cultivation. It serves as a solid substrate for the growth of bacteria and other microorganisms in laboratory settings.

### Nomenclature
The medium is recognized by multiple names, including R2A agar and Reasoner's 2A agar. These aliases are reflected in scientific literature and commercial product listings.

### Applications
R2a agar is employed in microbiological research and diagnostic procedures to cultivate microorganisms. Its formulation is suited for growing a broad spectrum of microbial species under controlled conditions.

### Documentation and Identification
R2a agar is documented in Wikidata with sitelinks in four languages (English, French, Japanese, Thai) and is identified by specific academic and database IDs, including a discontinued Microsoft Academic ID (2781018502) and Freebase ID (/m/03ccxny).