140MIC Lab9(Microorganisms)fac.ksu.edu.sa/sites/default/files/typesofmicroorganisms_n.pdf · 3-...

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140MIC Lab 9 (Microorganisms) Aljawharah Alabbad Amal Alghamdi 2017 1

Transcript of 140MIC Lab9(Microorganisms)fac.ksu.edu.sa/sites/default/files/typesofmicroorganisms_n.pdf · 3-...

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140MICLab 9 (Microorganisms)

Aljawharah Alabbad

Amal Alghamdi

2017

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Grouping of organisms into kingdoms is based on 3 factors :

Cell Type (prokyotic or eukaryotic)

Cell Number (unicellular or multicellular)

Feeding Type (autotroph or heterotroph)3

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1st : Cell Type

• The presence or absence of cellular structures such as the nucleus,

mitochondria, or a cell wall

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1st : Cell TypeProkaryotes Eukaryotes

Bacteria, Cyanobacteria Fungi,AnimalDo not have :

•An organized nucleus•Structured organelles

Do have :•Nucleus organized with a membrane other organelles

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2nd : Cell Number

Cell

Num

ber

Unicellular

Single celled organism.-Protozoans-Bacteria-some algae

MulticellularMany celled organism.

cells start to specialize/differentiate

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3rd : FeedingType

How the organisms get their food?Autotroph or Producer Heterotroph or Consumer

Make their own food

• Must eat other organisms tosurvive

• Includes decomposers – those thateat dead matter!

Plant, Cyanobacteria Animal, Human

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The Five-Kingdom System of Classification

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1st : MoneraKingdome (Bacteria)

Bact

eria

Nur

ition

Autotroph

Heterotroph

Mutualism

Commensalism

ParasiticPathogenic

OpportunisticSaprophytic

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.1Coccus

.2Bacillus

.3Spirillum

.4Filamentous

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Aggregation System

Mono-

Diplo-

Strepto-

Staphylo-

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1. CocciFor example:

Staphylococcusaureus

Shape : cocciArrangement : cluster (staph) Reaction with gram stain : Positive(purple).

Disease : skin infection.

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یا أنظمة التجمع المختلفة لخالیا البكتیرالعصویة

Arrangement of bacilli

مفردةMono-

في سالسلStrepto-

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ون مثل البكتیریا المسببة للطاعPlaque

Yersinia pestis

قصیرة سالبة الجرامعصیات

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بكتیریا القولون

Escherichia coli

Anthraxالبكتیریا المسببة لمرض

Bacillus anthracis

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البكتیریا المسببة الكولیرا

Vibrio cholerae

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4- Spirochete

البكتیریا المسببة لمرض الزھري Syphilis

Treponema pallidum

G-ve bacteria

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5- Filamentous (Actinomycetes)

Branched bacilli

e.g. Nocardia

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Motility of Bacteria

ا غ�ي� :متحركهبكت�ي�ا ال�رو�همثل معظم البكت�ي

ا� :بواسطةمتحركهبكت�يFlagella (flagellum sn.)األسواط-

Escherichia coli:مثل

Glidingاالنزالق•)Myxobacteriaمثل (-

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A _ وحیدة السوطMonotrichousB _ طرفیة األسواطLophotrichousC _ قطبیة األسواطAmphitrichous

D_ محیطیة األسواطPeritrichous

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Response to Staining الستجابتها لصبغة جرام إ�

��ا تبعا :تنقسم البكت�ي

Gram-positive bacteriaStaphylococcus aureus:مثل

ي وتكتسب اللون البنفس��

Gram-negative bacteriaE. coli:مثل

الوردي األحمرا�وتكتسب اللون

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Fungi Kingdom

All fungi are eukaryotic

They may be unicellular or multicellular

All fungi have a cell wall

Unicellular

(yeast)

Multicellular

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classified by how they reproduce

1- Zygospore ( : (الزیجیةZygomycetes e.g. Rhizopus sp.2- Ascomycetes )األسكیة(: e.g. Penicillium nutatum ، Aspergillus niger،Saccharomyces cerevisiae3- Basidiomycete )البازیدیة( :e.g. Agaricus4- Deuteromycetes )الناقصة ( :e.g. Fusarium

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Rhizopusفطر

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غیر متحركھجراثیم

العویمید

الیاقة

الحامل الجرثومي

ھیفات مدادة

أشباه جذور

حافظة جرثومیة

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Aspergillusفطر

Conidiophoreالحامل الكونیدي

Chains of Conidiaسالسل من الجراثیم

الكونیدیة

Vesicleالحویصلة

Septated & branched Hyphaeخیط فطري مقسم ومتفرع

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Penicilliumفطر

Conidiophoreالكونیديالحامل

Conidiaسالسل من الجراثیم

الكونیدیة

Metula

Sterigmata (Phialides)

Septated & branched Hyphaeخیط فطري مقسم ومتفرع

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Saccharomycesفطر

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Saccharomycesفطر

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Asexual reproduction: By Budding

Bud

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العنق

مالخیاشی

الحوامل البازیدیة

دیةالجراثیم البازی

Annulusحامل بازیديالطوق

الجسم الثمري

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3rd: Algae

Autotrophs

Cntains Chlorophyll and other pigments

Thallus

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Where can Algae live?e.g. Nostoc•In soil

e.g. Diatoms•In sea watre

e.g. Volvox•In fresh water

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Structure

Unicellularalgae

Filamentous Algae

Algal coloniese.g.

Volvox

e.g. Spirogyra

e.g. Chlamydomonas

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Example of unicellular motile algeChlamydomonasطحلب

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Algae Classification (Pigments inclusions)

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1- Cyanophyta

2- Cholorophyta

3- Phaeophyta

4- Rhodophyta

5- Chrysophyta

6- Euglenophyta

7- Diatoms

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1- Cyanophyta

Nostocطحلب : مثل

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2- Cholorophyta

Euglenaطحلب: مثل

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Conjugation in Spyrogyra

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This image cannot currently be displayed.

2- Cholorophyta

Volvoxطحلب الفولفكس : مثل

مستعمرات بنویة

خالیا جسدیة

Microscopic graph

ةخالیا تكاثری

يغالف جیالتین

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3- Phaeophyta

Fucusطحلب : مثل

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حوافظ جنسیةConceptacles

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6- Euglenophyta

: مثل Euglenaطحلب

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4th : Lichens

:فطر مثلActinomycetes or Basidiomycetes

:طحلب مثلTrebouxia, a green algaOr any blue-green alga

e.g. Caloplacacoralloides

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Presenter
Presentation Notes
There are 25 genera of green algae, a few golden algae, one brown alga and 12 genera of cyanobacteria that are known to become lichenized.
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أشنات شجیریة أشنات ورقیة

أشنات قشریة

Lichen’s Morphology

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Any QuestionsAmal [email protected] AlshaharaniAljawhara Alabbad

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