Learn neisseria gonorrhea with free interactive flashcards. Infection of the genitals can result in a purulent or puslike discharge from the. In 2004, around 55% of gonococci isolates demonstrated the ceftriaxone mic. Due to absence of an affordable diagnostic assay, routine screening of gonococcal infection becomes impossible in developing countries where infection rates are maximum. The organism is frequently found intracellularly in polymorphonuclear leukocytes neutrophils of the gonorrhea pustular exudate figure 1 right. Gonococci resemble meningococci very closely in many properties. Gonorrhea is a sexually transmitted disease that can cause pelvic inflammatory disease, ectopic pregnancy, and salpingitis in women and infertility in men and women.
Algunas consideraciones sobre neisseria gonorrhoeae scielo. Summary a 23 year old man was admitted to the hospital because of dysuria, purulent urethral discharge, fever. Neisseria gonorrhoeae neisseria gonorrhoeae is a gramnegative coccus, 0. Neisseria gonorrhoeae, also known as gonococcus singular, or gonococci plural is a species of gramnegative diplococci bacteria isolated by albert neisser in 1879. Biology of neisseria gonorrhoeae and the clinical picture.
Neisseria gonorrhoeae, gonococcal infection, gonorrhea, gonococcus, gonococci, gonococcemia, disseminated gonococcus, multiresistant. Its formal identification was in 1879 by the german bacteriologist albert neisser. Neisseria gonorrhoeae is a pathogen only of humans. In the united states, it is also recommended that isolates from certain infections be submitted to the neisseria reference laboratory at cdc for confirmation. Streptococcus pneumoniae, neisseria gonorrhoeae, salmonella serotipo typhi, shigella y vibrio cholerae. Gonorrhea, one of the oldest known human illnesses, continues to result in significant morbidity. Haemophilus influenzae, neisseria meningitiris, streptococcus pneumoniae, neisseria gonorrhoeae, salmonella serotipo. It has a circular dna genome of approximately 1mbp encoding over 2000 genes. Molecular characterization of two highlevel ceftriaxoneresistant neisseria gonorrhoeae isolates detected in catalonia, spain. Neisseria of the eleven species of neisseria that colonize humans, only two are pathogens. Guiaparalavigilanciaporlaboratoriodeneisseriagonorrhoeae. This kit is designed for research use only and not for use in diagnostic.
This gramnegative diplococcigonococci does not infect other animals or experimental animals and does not survive freely in the environment. The infection infects more than 700,000 people in the united states and more than 62 million people worldwide each year. Neisseria gonorrhoeae is a bacterial pathogen responsible for gonorrhoea and various sequelae that tend to occur when asymptomatic infection ascends within the genital tract or disseminates to distal tissues. Neisseria gonorrhoeae thrives in moist, warm spots on the body such as the mouth, penis, vagina, and even the eyes. Hsu, zoon wangu, in principles and practice of pediatric infectious diseases fifth edition, 2018. It forms oxidasepositive colonies and is differentiated from neisseria meningitidis the other pathogenic neisseria, which causes meningitis by its ability to ferment glucose but not maltose. Neisseria gonorrhoeae reference strains for antimicrobial susceptibility testing intended use reference strains listed in this brochure are quality control qc strains for the agardilution, disk diffusion, and etest susceptibility procedures used to determine the antimicrobial susceptibilities of isolates of neisseria gonorrhoeae.
Recurrent infection is common, antimicrobial drug resistance is growing, and. Neisseria gonorrhoeae eprints complutense universidad. At any particular time, the bacterium may express zero, one, or several different opa proteins, and each. The gonococcus was first described by neisser in 1879 in gonorrheal pus. Comparative permeability of human vaginal and bucal mucosa. Neisseria gonorrhoeae can produce one or several outer membrane proteins called opa p. It is an obligate human pathogen and colonises primarily the anogenital tract, and is extremely adept at evading the immune response and developing or acquiring resistance to therapeutic agents. Neisseria gonorrhoeae, gonorrea diseminada, diagnostico, epidemiologia, tratamiento.
Susceptibility of neisseria gonorrhoeae to gentamicin, chloramphenicol and other antibiotics in manaus, amazon, brazil article pdf available january 2015 with 145 reads how we measure reads. It causes the sexually transmitted genitourinary infection gonorrhea as well as other forms of gonococcal disease including disseminated gonococcemia, septic arthritis, and gonococcal ophthalmia neonatorum. Neisseria gonorrhoeae is the obligate human pathogen that causes the sexually transmitted disease std gonorrhea. A new multidrugresistant strain of neisseria gonorrhoeae. A series of three continuous cultures of neisseria gonorrhoeae was performed at ph values ranging from 6.
Learn neisseria gonorrhoeae with free interactive flashcards. Global rates of gonorrhoea continue to rise, facilitated by the emergence of broadspectrum antibiotic resistance that has recently afforded the bacteria superbug status. Urogenital neisseria gonorrhoeae infection 179 penicillins remained relatively constant at 16% and 12% respectively. Influence of ph on the growth characteristics of neisseria. Neisseria gonorrhoeae an overview sciencedirect topics. Pdf multiresistant neisseria gonorrhoeae, a reality at.
Gonorrhea grows mainly in the warm, moist areas of the reproductive. Ecologic study of meningococcal b vaccine and neisseria. Diagnosis of neisseria gonorrhoeae using molecular beacon. Comparison of multiple assay systems for the detection of neisseria gonorrhoeae. Treatment is given on the basis of symptoms alone which leads to spread of infection. Neisseria gonorrhoeae, an obligate human pathogen, has displayed an alarming propensity to acquire resistance, through genetic mechanisms both chromosomal and plasmidmediated, to all sequential firstline antimicrobial agents used over the years. Arg laboratory information std information from cdc. Choose from 51 different sets of neisseria gonorrhea flashcards on quizlet. Pronunciation of neisseria gonorrhoeae with 3 audio pronunciations, 3 synonyms, 1 meaning, 3 translations and more for neisseria gonorrhoeae. Choose from 140 different sets of neisseria gonorrhoeae flashcards on quizlet. Gonorrhea is the second most widespread std in the united states, coming in after chlamydia. Neisseria gonorrhoeae is an important sexually transmitted diseases std causing pathogen worldwide.
1000 930 493 428 991 593 998 1145 1055 858 877 289 852 630 1281 128 364 1030 367 631 893 1205 577 308 1511 727 87 549 690 1292 466 1448 359 75 1402