Skip to content
PetriKey

Bacterium

Neisseria gonorrhoeae

Oxidase-positive Gram-negative diplococcus

nye-SEER-ee-uh gon-oh-REE-eye

Gram negativebacteriagram-negativediplococcioxidasesti

High-yield clue

Gram-negative diplococci + oxidase positive + STI coursework clue.

Overview

A Gram-negative diplococcus used in study questions about oxidase positivity, intracellular diplococci imagery, and antimicrobial-resistance surveillance vocabulary.

Classification

  • Gram-negative
  • Diplococci
  • Oxidase positive

Lab & identification clues

  • Oxidase positive
  • Diplococci morphology
  • NAAT vocabulary in coursework

Associations

  • STI public-health vocabulary
  • Drug-resistant gonorrhea framing
  • Mucosal infection concepts

Commonly confused with

  • Neisseria meningitidis
  • Moraxella catarrhalis

Frequently asked questions

What is Neisseria gonorrhoeae?

A Gram-negative diplococcus used in study questions about oxidase positivity, intracellular diplococci imagery, and antimicrobial-resistance surveillance vocabulary.

What is the Gram stain of Neisseria gonorrhoeae?

Neisseria gonorrhoeae is Gram negative.

What are the lab clues for Neisseria gonorrhoeae?

Lab clues for Neisseria gonorrhoeae include Oxidase positive, Diplococci morphology, and NAAT vocabulary in coursework.

What is Neisseria gonorrhoeae commonly confused with?

Neisseria gonorrhoeae is commonly confused with Neisseria meningitidis and Moraxella catarrhalis.

Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.

OpenStax: Microbiology 2e organism classification foundations - sourceNCBI Bookshelf: Medical Microbiology organism chapters - sourceCDC: CDC disease and public-health topic pages - source