Qhov txawv ntawm Streptococcus pneumoniae thiab Streptococcus pyogenes yog Streptococcus pneumoniae yog hom kab mob uas ua rau mob ntsws rau tib neeg, thaum Streptococcus pyogenes yog hom kab mob uas ua rau pharyngitis, cellulitis, thiab erysipelas hauv tib neeg.
Streptococcus yog ib hom kab mob gram-zoo coccus lossis cov kab mob kheej kheej. Feem ntau Streptococci yog oxidase tsis zoo, catalase-negative, thiab facultative anaerobes. Cov hom ntawm cov genus no tau pom tias yog ib feem ntawm salivary microbiome. Tam sim no, ntau tshaj 50 hom tau categorized nyob rau hauv no genus. Streptococcus pneumoniae thiab Streptococcus pyogenes yog ob hom kab mob hauv cov genus ntawm Streptococcus.
Streptococcus pneumoniae yog dab tsi?
Streptococcus pneumoniae yog ib hom kab mob uas muaj nyob hauv genus Streptococcus. Nws yog tus kab mob ua rau mob ntsws hauv tib neeg. Cov kab mob no yog gram-positive, spherical, thiab aerotolerant lossis anaerobic. Nws feem ntau pom nyob rau hauv khub (diplococci) thiab tsis tsim spores. Tsis tas li ntawd, Streptococcus pneumoniae hom tsis yog kev txav mus los. Cov kab mob no yog qhov ua rau tib neeg mob ntsws nyob rau thaum xaus ntawm 19th centuries. Yog li ntawd, nws tau los ua qhov kev kawm ntawm ntau yam kev kawm txog kev tiv thaiv kab mob.
Streptococcus pneumoniae ib txwm nyob hauv cov kab mob ua pa, sinuses, thiab qhov ntswg kab noj hniav. Txawm li cas los xij, hauv cov tib neeg uas tsis muaj zog tiv thaiv kab mob, suav nrog cov neeg laus, cov menyuam yaus, thiab cov neeg tsis muaj zog tiv thaiv kab mob, cov tsiaj no yuav dhau los ua cov kab mob thiab kis mus rau lwm qhov chaw los ua kab mob. Nws kis tau los ntawm kev sib cuag ncaj qha los ntawm tib neeg mus rau tus neeg los ntawm kev ua pa tee dej. Qee lub sij hawm, nws ua rau nws pib inoculation rau cov neeg uas nqa cov kab mob nyob rau hauv lub ntsws sab sauv.
Daim duab 01: Streptococcus pneumoniae
Streptococcus pneumoniae ua rau muaj kab mob sib txawv, suav nrog mob ntsws, mob ntsws, mob ntsws, mob ntsws, mob rhinitis, mob sinusitis, otitis media, conjunctivitis, osteomyelitis, septic arthritis, endocarditis, peritonitis, pericarditis, cellulitis, thiab mob hlwb. Tsis tas li ntawd, cov kab mob phem ntawm cov kab mob no muaj xws li tshuaj ntsiav, phab ntsa ntawm tes, choline-binding proteins, pneumococcal deg proteins (PspA thiab PspC), LPXTG anchored neuraminidase proteins, hyaluronate lyase (Hyl), pneumococcal adhesion thiab virulence A. Enolase (Eno), pneumolysin, thiab autolysin A. Cov kab mob no feem ntau yog kho nrog tshuaj tua kab mob xws li cephalosporins thiab fluoroquinolones (levofloxacin, moxifloxacin). Ntau cov tshuaj tiv thaiv kab mob (pneumovax) kuj tau tsim los tiv thaiv kev kis kab mob los ntawm S. pneumoniae.
Streptococcus pyogenes yog dab tsi?
Streptococcus pyogenes yog ib hom kab mob uas muaj nyob hauv genus Streptococcus uas feem ntau ua rau pharyngitis, cellulitis, thiab erysipelas hauv tib neeg. Nws yog ib hom kab mob gram-positive, aerotolerant extracellular kab mob. Nws yog tsim los ntawm cov uas tsis yog-motile thiab tsis-sporing cocci (round cells) txuas rau hauv cov saw hlau. Nws yog ib feem ntawm daim tawv nqaij microbiota uas tuaj yeem ua rau pawg A streptococcal kab mob. Ntxiv mus, nws harbors Lancefield pab pawg A antigen thiab feem ntau categorized li pab pawg A Streptococcus (GAS). S, pyogenes ua rau kev puas tsuaj tag ntawm cov qe ntshav liab. Li no, hom no yog beta-hemolytic.
Daim duab 02: Streptococcus pyogenes
S. pyogenes muaj ntau yam virulent yam, xws li streptolysin o, streptolysin s, streptococcal pyrogenic exotoxin A (SpeA), streptococcal pyrogenic exotoxin B (SpeB), streptococcal pyrogenic exotoxin C (SpeC), streptokinase, hyludocalase, hyludocalase, andluidase,. Piv txwv ntawm S. pyogenes kab mob muaj xws li pharyngitis, erysipelas, cellulitis, necrotizing fasciitis, neonatal kab mob, scarlet fever, toxic shock syndrome, rheumatic fever, thiab post-infectious glomerulonephritis. Tsis tas li ntawd, cov kev kho mob rau cov kab mob no muaj xws li tshuaj tua kab mob xws li penicillin, vancomycin los yog clindamycin, thiab inactivated vaccine (vacuna antipiogena polivalente BIOL).
Dab tsi yog qhov zoo sib xws ntawm Streptococcus pneumoniae thiab Streptococcus pyogenes?
- Streptococcus pneumoniae thiab Streptococcus pyogenes yog ob hom kab mob hauv cov genus ntawm Streptococcus.
- Ob kab mob no yog gram-positive, spherical, thiab aerotolerant anaerobic.
- Cov kab mob no tsis yog kev txav mus los thiab tsis-spore-forming.
- Lawv yog catalase-negative thiab oxidase negative.
- Lawv yog cov kab mob kis tau yooj yim.
- Tus kab mob tshwm sim los ntawm ob tus kab mob no tau kho los ntawm cov tshuaj tua kab mob thiab cov tshuaj tiv thaiv tshwj xeeb.
Qhov txawv ntawm Streptococcus pneumoniae thiab Streptococcus pyogenes yog dab tsi?
Streptococcus pneumoniae ua rau mob ntsws hauv tib neeg, thaum Streptococcus pyogenes feem ntau ua rau pharyngitis, cellulitis, thiab erysipelas hauv tib neeg. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm Streptococcus pneumoniae thiab Streptococcus pyogenes. Tsis tas li ntawd, S. pneumoniae yog alpha-hemolytic nyob rau hauv aerobic tej yam kev mob thiab beta-hemolytic nyob rau hauv anaerobic tej yam kev mob. Ntawm qhov tod tes, S. pyogenes yog beta-hemolytic hauv txhua yam mob.
Cov ntawv qhia hauv qab no nthuav tawm qhov sib txawv ntawm Streptococcus pneumoniae thiab Streptococcus pyogenes hauv daim ntawv qhia rau ib sab sib piv.
Summary – Streptococcus pneumoniae vs Streptococcus pyogenes
Streptococcus yog ib hom kab mob gram-positive, spherical, non-motile, non-spore-forming, catalase-negative thiab oxidase-negative bacteria. Streptococcus pneumoniae thiab Streptococcus pyogenes yog ob hom kab mob pathogenic hauv cov genus no. Streptococcus pneumoniae feem ntau ua rau mob ntsws hauv tib neeg, thaum Streptococcus pyogenes feem ntau ua rau pharyngitis, cellulitis, thiab erysipelas hauv tib neeg. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm Streptococcus pneumoniae thiab Streptococcus pyogenes.
