Xanthomonas

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Definition

Noun 1. A genus of Gram-negative bacteria: Xanthomonas is a scientific name for a genus of bacteria. These bacteria are rod-shaped and are known to be plant pathogens, meaning they cause diseases in plants. 2. Characterized by yellow pigment: A key identifying feature of this genus is its production of a yellow, water-insoluble pigment.

Usage
  • is used almost exclusively in scientific, agricultural, and botanical contexts.
  • It is typically followed by a species name to specify the type of plant disease.
  • As a genus name, it is conventionally italicized in print and capitalized in writing.
Examples
  • The tomato crop was destroyed by a strain of .
  • Scientists are studying the genome of to develop resistant plant varieties.
  • is a species that causes black rot in cruciferous vegetables.
Advanced Usage
  • "Xanthomonas infection": Refers to a plant disease caused by bacteria from this genus.
    • The farmer identified the leaf spot as a classic Xanthomonas infection.
  • "Xanthomonas-resistant": Describes a plant variety bred or engineered to withstand infection by these bacteria.
    • Growers are advised to plant Xanthomonas-resistant bean cultivars.
Variants and Related Words
  • Xanthomonad (n): A member of the genus or the related family .
  • Xanthomonadal (adj): Relating to or characteristic of the genus.
Synonyms
  • Plant-pathogenic bacteria (general term)
  • Phytopathogen (general term for a plant pathogen)
Notes on Meaning

The word Xanthomonas has a single, specific meaning in scientific taxonomy. It does not have different everyday meanings. Its definition is precise and technical.

Noun
  1. a genus of bacteria similar to Pseudomonas but producing a yellow pigment that is not soluble in water

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