@mrscientistzone: Gram-Positive Bacteria — Quick Notes 🧫 Definition: Bacteria that retain crystal violet stain in Gram staining and appear purple due to a thick peptidoglycan cell wall. 🔬 Key Characteristics • Thick peptidoglycan layer • No outer membrane • Teichoic acids present • More sensitive to β-lactam antibiotics (generally) 🦠 Important Gram-Positive Bacteria (Examples) Cocci • Staphylococcus aureus — skin infections, MRSA • Streptococcus pyogenes — pharyngitis • Streptococcus pneumoniae — pneumonia • Enterococcus faecalis — UTI Bacilli • Bacillus anthracis — anthrax • Clostridium tetani — tetanus • Clostridium difficile — antibiotic-associated diarrhea • Listeria monocytogenes — neonatal meningitis 🧪 Lab Identification • Gram stain → purple • Catalase test (Staph +, Strep −) • Hemolysis on blood agar #GramPositive #MedicalMicrobiology #Bacteriology #Matiullah #Mr_Scientist_Zone
Mr Scientist Zone
Region: PK
Friday 13 February 2026 13:41:38 GMT
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Adoum Gontouin Michael :
bacille Gram positif re groupes en chaînette !!
2026-04-14 18:19:03
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me kenjee :
parce qu'il se colore de couleur violet
2026-03-31 00:40:43
1
muhammad wisal tarkalan :
which test do for gut microbiome
2026-02-15 04:45:40
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#IREAYOMI🥰JULY 27⚜️ :
bacillic
2026-02-23 19:18:26
2
Zebarii⚜️ :
Bacillic
2026-02-14 19:04:54
1
khalile :
il donne une coloration violet
2026-02-22 22:56:30
1
gulnuresenbaeva :
1й дрожевые грибы
2026-05-02 07:42:10
0
luba34566 :
туберкулёз?
2026-02-14 12:00:07
1
me kenjee :
bacterie De gram +
2026-03-31 00:40:54
1
☪ HAQ VOICE :
🥰🥰🥰
2026-02-13 15:13:15
2
Sekandar Khushdil :
🥰
2026-02-13 22:12:20
1
2112 :
permission to use your video for school, thanks 🤍
2026-06-03 23:16:23
0
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