Initialism of channel associated signalling.
"The mutation in the cas gene caused the bacterium to lose its ability to degrade phage DNA."
Ellipsis of Cas gene
In plain English: Cas refers to proteins used by bacteria to defend against viruses.
"Researchers are studying how variations in the cas gene affect immune response."
Usage: Cas refers specifically to CRISPR-associated protein, often used in conjunction with "Cas9" or other numbered variations (e.g., Cas12a) when discussing genome editing technology. Use it within a scientific context relating to CRISPR systems.
Informal abbreviation for casual
"The Cas protein guides the CRISPR system to cut specific DNA sequences in the bacterial genome."
Acronym of CRISPR-associated.
In plain English: CAS refers to the tools that help scientists cut and change DNA.
"The lab is investigating novel Cas enzymes to improve gene editing precision."
Usage: Cas (adj.) refers to proteins associated with the CRISPR system, often used in gene editing. For example, "Cas9 is an enzyme that cuts DNA."
Initialism of Chemical Abstracts Service.
"The researcher cited CAS in her paper to reference data from the Chemical Abstracts Service database."