eubacterium

Thân thiện

A scientist observes a single eubacterium under a microscope.

Definition

Noun A type of true bacterium belonging to the domain Eubacteria, characterized by a prokaryotic cell structure with a rigid cell wall. Motile forms possess flagella for movement. This group constitutes the vast majority of bacteria, excluding archaea.

Usage

The term is used in scientific contexts, particularly in microbiology and biology, to classify and describe a major domain of single-celled microorganisms. * E. coli is a well-studied eubacterium found in the intestines. * The soil sample contained both archaea and eubacteria.

Advanced Usage

• The plural form is eubacteria.
• The term is often used in contrast to "archaebacterium" (archaea) when discussing the fundamental domains of life.
• In modern taxonomic classification, "Eubacteria" is often synonymous with the domain "Bacteria."

Variants and Related Words

• Eubacterial (adjective): Relating to eubacteria.
  • The eubacterial cell wall structure is a key distinguishing feature.
• True bacterium: A common synonym for eubacterium.

Synonyms

• True bacterium
• Bacterium (in common, though technically imprecise, usage as it excludes archaea)

Notes on Meaning

This is a technical, taxonomic term. In everyday language, the word "bacterium" or "bacteria" is often used to refer to what scientists classify as eubacteria.

Học thuật

Noun

1. a large group of bacteria having rigid cell walls; motile types have flagella

Từ đồng nghĩa

• eubacteria
• true bacteria