Qhov Tseem Ceeb Qhov txawv - Strep A vs Strep B
Streptococcus yog ib hom kab mob uas suav nrog gram-positive, non-motile, non-spore forming, negative catalase cocci. Feem ntau ntawm cov kab mob Streptococcus yog cov kab mob facultative anaerobes thaum ib txhia yog obligate anaerobes. Cov genus no muaj ntau dua 50 hom uas yog ib feem ntawm salivary microbiome. Streptococci yog lub luag haujlwm rau ntau yam kab mob. Ntawm lawv, kub taub hau, kab mob rheumatic, glomerulonephritis, thiab pneumococcal pneumonia yog ntaus nqi rau tib neeg cov kab mob streptococcal. Ntau hom Streptococci tsis yog pathogenic. Lawv yog ib feem ntawm cov kab mob microbial ib txwm nyob hauv daim tawv nqaij, qhov ncauj, txoj hnyuv thiab ua pa sab saud. Thaum xav txog qhov nomenclature ntawm Streptococci, nws yog qhov yooj yim rau kev siv kho mob. Strep A thiab Strep B yog ob qho tseem ceeb kho mob ob hom beta hemolytic ntawm Streptococci. Strep A lossis pawg A yog hais txog Streptococcus pyogenes thaum Strep B lossis pawg B hais txog Streptococcus agalactiae. Qhov no yog qhov sib txawv tseem ceeb ntawm Strep A thiab Strep B.
Strep A yog dab tsi?
Strep A yog hom Streptococcal Streptococcus pyogenes. Strep A yog tshwm sim los ntawm pawg A. S. pyogenes yog cov kab mob beta hemolytic uas yog gram-positive, nonmotile coccus. Strep A feem ntau tshwm sim los ntawm caj pas thiab kab mob ntawm daim tawv nqaij. Nws yog lub luag hauj lwm rau ob qho tib si invasive thiab noninvasive kab mob. Cov kab mob ntawm Strep A feem ntau yog pharyngitis lossis strep caj pas, impetigo, rheumatic cellulitis fever, scarlet fever, necrotizing fasciitis thiab toxic shock syndrome. Pharyngitis thiab impetigo yog cov kab mob uas tsis muaj kab mob. Toxic shock syndrome, pneumonia, thiab bacteremia yog cov kab mob sib kis. Cov kab mob no kis tau los ntawm ib tus neeg mus rau lwm tus los ntawm cov pa ua pa tawm thaum hnoos, txham lossis vim kev sib cuag ncaj qha.
Daim duab 01: Strep A- Streptococcus Pyogenes
Lub cell phab ntsa ntawm Strep A muaj cov polymer ntawm N-acetylglucosamine thiab rhamnose. Pathogenesis ntawm Strep A yog tshwm sim los ntawm ntau yam virulence yam xws li M protein, hemolysins, co toxins thiab extracellular enzymes. M protein ua haujlwm rau cov txheej txheem antiphagocytic thaum cov enzymes extracellular pab txhawb rau cov ntaub so ntswg ntxeem tau thiab kev puas tsuaj. Cov tshuaj lom ntawm Strep A yog tshwm sim los ntawm cov pob liab liab thiab lub cev tsis ua haujlwm. Tib neeg cov kab mob Streptococcal yog tshwm sim los ntawm Strep A.
Strep B yog dab tsi?
Strep B lossis pawg B streptococci raug xa mus rau Streptococcus agalactiae. Nws yog cov kab mob beta hemolytic uas tsis muaj zog thiab gram-zoo. Strep B yog catalase tsis zoo facultative anaerobic kab mob uas yog puag ncig hauv cov duab. Lub cell phab ntsa ntawm S. agalactiae yog tsim los ntawm rhamnose-glucosamine polymer. Pathogenicity ntawm Strep A yog txuam nrog ob peb yam virulence yam xws li lipoteichoic acid uas pab nyob rau hauv adherence rau tib neeg lub hlwb ntawm thawj kab mob. Strep B yog ib hom kab mob hauv qhov chaw mos.
Daim duab 02: S. Agalactiae
Kev kis tus kab mob me me yog qee zaus tshwm sim los ntawm hom no. Cov menyuam mos thiab menyuam yaus raug cuam tshuam los ntawm tus kab mob Strep B. Yog tias tus kab mob Strep B tshwm sim thaum cev xeeb tub, nws tuaj yeem ua rau nchuav menyuam thiab yug menyuam. Txawm li cas los xij, nws yog qhov tsis tshua muaj tshwm sim. Strep B muaj ob peb serotypes; Ia, Ib, III, II, V.
Dab tsi zoo sib xws ntawm Strep A thiab Strep B?
- Strep A thiab Strep B yog ob hom kab mob ntawm cov kab mob Streptococcus.
- Ob leeg Strep A thiab Strep B yog tshwm sim los ntawm beta hemolysis.
- Ob leeg yog gram-positive
- Ob leeg yog cocci hauv chains.
- Cov kab mob tshwm sim los ntawm Strep A thiab Strep B tuaj yeem kho tau los ntawm cov tshuaj tua kab mob Penicillin thiab lwm yam tshuaj tua kab mob.
- Ob leeg yog beta-hemolytic.
Qhov txawv ntawm Strep A thiab Strep B yog dab tsi?
Strep A vs Strep B |
|
| Strep A yog hais txog pawg A streptococcal hom pyogenes. | Strep B yog hais txog pawg B streptococcal hom agalactiae. |
| Oxygen Requirement | |
| Strep A yog aerotolerant. | Strep B yog facultative anaerobic. |
| Strep A muaj nyob rau ntawm daim tawv nqaij thiab hauv caj pas. | Strep B feem ntau nyob tsis muaj mob hauv plab hnyuv thiab hauv qhov chaw mos. |
| Strep A yog txuam nrog ntau yam kab mob xws li M protein, hemolysins, co toxins thiab extracellular enzymes. | Strep B cuam tshuam nrog qee yam kev ua phem xws li lipoteichoic acid. |
| Strep A ua rau cov kab mob xws li pharyngitis, tonsillitis, liab liab kub, cellulitis, erysipelas, rheumatic fever, post-streptococcal glomerulonephritis, necrotizing fasciitis, myonecrosis thiab lymphangitis. | Strep B ua rau muaj kab mob xws li mastitis hauv nyuj, mob hnyav rau menyuam yaus, kab mob urinary. |
Summary – Strep A vs Strep B
Streptococcus yog ib hom kab mob uas tseem ceeb rau kev kho mob. Cov kab mob no feem ntau tshwm sim los ntawm kab mob ua pa, kab mob hauv cov hlab ntsha thiab kab mob ntawm daim tawv nqaij ntawm tib neeg. Strep A thiab Strep B yog ob pawg ntawm streptococci. Strep A yog S. pyogenes. Strep B yog hais txog S. agalactiae. Strep caj pas, Rheumatic fever, Acute glomerulonephritis, Scarlet fever, bacteremia, toxic-shock syndrome thiab necrotizing fasciitis yog tshwm sim los ntawm Strep A. Strep B yog tshwm sim rau sepsis (septicemia), pneumonia thiab qee zaum neonatal meningitis hauv cov menyuam mos. Qhov no yog qhov txawv ntawm Strep A thiab Strep B.
Download the PDF of Strep A vs Strep B
Koj tuaj yeem rub tawm PDF version ntawm kab lus no thiab siv nws rau offline hom phiaj raws li daim ntawv ceeb toom. Thov rub tawm PDF version ntawm no: Qhov txawv ntawm Strep A thiab Strep B
