PPT-Streptococci

Author : lois-ondreau | Published Date : 2016-07-21

Dr Tamer Bedair Lecturer of Medical Microbiology and Immunology Contents Character of Streptococci Classification of Streptococci Strept pyogenes a virulence

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Streptococci: Transcript

Dr Tamer Bedair Lecturer of Medical Microbiology and Immunology Contents Character of Streptococci Classification of Streptococci Strept pyogenes a virulence factors and pathogenesis. Cocci. . Streptococci. . By . Lec. . Dr. . Thanaa. . Rasheed. . Abdulrahman. 6. th. lect. bacteriology. Streptococci of medical importance are listed in Table 1. Species. Lancefield Group. Corynebacteria. . Streptococci. Cocci. :. spherical. Morphology:. Gram positive, . cocci. in chains . Characteristics of Streptococci. Morphology>> . Gram positive, . cocci. Arranged in chains, and some spp. arranged in pairs. Cocci. . Streptococci. . By . Lec. . Dr. . Thanaa. . Rasheed. . Abdulrahman. 6. th. lect. bacteriology. Streptococci of medical importance are listed in Table 1. Species. Lancefield Group. . Streptococci. Cocci. :. spherical. Morphology:. Gram positive, . cocci. in chains . Characteristics of Streptococci. Morphology>> . Gram positive, . cocci. Arranged in chains, and some spp. arranged in pairs. Vandana. . gupta. Medical Microbiology. SemVI. The Streptococci. The streptococci are large and . heterogenous. group of Gram positive spherical bacteria that characteristically form pairs or chains during growth.. Dated-09/12/2020. . 2. nd. . year . professional course. Dr. . Sudha. . Kumari. Assistant Professor. Department of Veterinary . Senior Demonstrator, . Microbiology,KEMU. , Lahore. Streptococci. Characters of Streptococci. Gram positive . cocci. 1µm in diameter. Chains or pairs. Usually capsulated. Non motile. CapnophiliC. Non spore forming. Zainab. Abdul . jabar. . Aldhaher. Streptococcus. is a . genus. of . spherical. . Gram-positive. . bacteria. belonging to the . phylum. . Firmicutes. ]. and the . lactic acid bacteria. group. . PUERPERALINFECTION185Sincethenithasbeenthecommonbeliefthathaemolyticstreptococcigaverisetovirulent,andnon-haemolytictomildinfection.Thoughthisviewisfairlycorrectinthemain,agreatdealofevidencehasbeenco . Greek-. streptus. =flexible: . coccus. = sphere spherical or ovoid cells, occurring in short or long chins, pairs, not in groups. Capsules are not regularly . formid. but develop in some species. . Streptococci. . By . Lec. . Dr. . Thanaa. . Rasheed. . Abdulrahman. 6. th. lect. bacteriology. Streptococci of medical importance are listed in Table 1. Species. Lancefield Group. Typical Hemolysis. . Hazim. . abdul. . Wahhab. General characters of streptococci. :. Spherical . (cocci) arranged in chain . or pairs. .. Gram- positive.. Most . streptococci are facultative anaerobes.. All . Streptococci are catalase negative.. . 6. Gram-positive . cocci. Streptococcus. By:. Asst. Prof. . Dr. . Shaima’a. Al-. Salihy. . Streptococci. Important properties:. Large group of bacteria belonging to the family . Streptococcaceae. Kavisha K Patidar . Assistant Professor. Department of . Microbiology. Deogiri College, Aurangabad. Department of microbiology . Paper VIII. Immunology. Semester- III. Unit- 1. Topic -Normal Flora. Teacher –.

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