identification of enterobacteriaceae
DESCRIPTION
Islamic University of Gaza Faculty of science Medical technology department. الجامعة الاسلامية بغزه كلية العلوم قسم التحاليل الطبية. IDENTIFICATION OF ENTEROBACTERIACEAE. Prepared by: Abdullah Ali. Supervised by: Dr.Abdellraof el-Manama Dr.Nedal Fayyad. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/1.jpg)
IDENTIFICATION OFIDENTIFICATION OFENTEROBACTERIACEAEENTEROBACTERIACEAE
Prepared byPrepared by::Abdullah AliAbdullah Ali
Supervised by:Dr.Abdellraof el-ManamaDr.Nedal Fayyad
بغزه االسالمية الجامعةالعلوم كلية
الطبية التحاليل قسم
Islamic University of GazaFaculty of scienceMedical technology department
![Page 2: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/2.jpg)
Characteristics of EnterobacteriaceaeMembers of the Enterobacteriaceae are Gram-negative, straight rods, some of which are motile. Most species grow well at 37°C,
although some species grow better at 25 - 30°C. They are facultativelyanaerobic, oxidase-negative and catalase-positive (except Shigella dysenteriae type 1). They are distributed worldwide and may be
found in soil, water, plants and animals.
![Page 3: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/3.jpg)
Common genera of the family Enterobacteriaceae
1) Citrobacter species2 )Enterobacter species
3 )Escherichia species4 )Hafnia alvei
5 )Klebsiella species6 )Shigella species
7) Morganella morganii
8 )Proteus species9 )Providencia
species10 )Salmonella
species11 )Serratia species12 )Yersinia species
![Page 4: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/4.jpg)
Incidence of Enterobacteriaceae Associated with Bacteremia
![Page 5: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/5.jpg)
![Page 6: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/6.jpg)
EscherichiaEscherichia
Escherichia coliEscherichia coli
![Page 7: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/7.jpg)
SalmonellaSalmonella
![Page 8: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/8.jpg)
EnterobacterEnterobacter
Enterobacter aurogeouns Enterobacter sakazakii
![Page 9: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/9.jpg)
ShigellaShigella
![Page 10: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/10.jpg)
CitrobacterCitrobacter
![Page 11: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/11.jpg)
Can they ferment lactose?
Can they use citric acid as their sole carbon source?
Can they use citric acid as their sole carbon source?
Do they produce acetoin?
EscherichiaSalmonellaShigella
(Yes)
(Yes)
(Yes)
(Yes)
(No)
(No)(No)
(No)
Citrobacter Enterobacter
Can they ferment lactose?
Can they use citric acid as their sole carbon source?
![Page 12: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/12.jpg)
Tests:
From the previous slide we observe that we need to do the following tests:
1)Lactose fermentation
2)Citrate test
3)Voges-proskauer test
![Page 13: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/13.jpg)
![Page 14: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/14.jpg)
Citratetest
![Page 15: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/15.jpg)
![Page 16: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/16.jpg)
Some disease causing by Some disease causing by Enterobacteriaceae speciesEnterobacteriaceae species
speciesdisease
E. coliE. coli.diarrhea, invasive disease
SalmonellaSalmonella•diarrhea, septicemia, pneumonia
ShigellaShigella .dysentery
![Page 17: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/17.jpg)
ConclusionFamily Enterobacteriaceae have the followingcharacteristic:
1)Gram-negative rod2)Non-sporeforming bacteria
3)Facultative anaerobe4)Motile by peritritchous flagella
5)Oxidase negative6)Non acid fast bacteria
7)Produce nitrate reductase
![Page 18: IDENTIFICATION OF ENTEROBACTERIACEAE](https://reader036.vdocuments.site/reader036/viewer/2022062408/56813c4e550346895da5cd0e/html5/thumbnails/18.jpg)
Thanks for your Thanks for your attentionattention