Definition

Noun: A taxonomic family of bacteria within the order Pseudomonadales. These are rod-shaped, Gram-negative bacteria. Many members of this family are significant pathogens of plants and animals.

Usage

The term "Pseudomonadaceae" is used in scientific and microbiological contexts to classify a specific group of bacteria. It is a formal taxonomic name.

Examples

• The bacterium , a member of the Pseudomonadaceae, is a common cause of hospital-acquired infections.
• Plant pathologists study several genera within the Pseudomonadaceae due to their economic impact on agriculture.
• The classification of certain rod-shaped, Gram-negative bacteria was revised, moving some species out of the Pseudomonadaceae family.

Advanced Usage

• Taxonomic Context: In modern bacterial taxonomy, the composition of the family Pseudomonadaceae has been refined based on genomic data. Some genera historically placed here have been reclassified into other families, such as the or .

Variants and Related Words

• Pseudomonad (noun): A common, informal term for any bacterium belonging to the family Pseudomonadaceae, especially those in the genus .
  • Example: The water sample was contaminated with pseudomonads.
• Pseudomonadales (noun): The taxonomic order to which the family Pseudomonadaceae belongs.

Synonyms

• There are no direct common-language synonyms for this precise scientific term. In informal scientific discussion, "pseudomonads" may be used.

Related Phrases

• Gram-negative rod: A descriptive microbiological phrase that captures the key morphological and staining characteristics of Pseudomonadaceae members.
• Opportunistic pathogen: A phrase describing the behavior of many bacteria in this family, which often cause disease in hosts with compromised immunity.

Noun

1. rod-shaped Gram-negative bacteria; include important plant and animal pathogens