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“Reproduction in Protozoa” A presentation compiled from various sources by
Dr. PARVISH PANDYA, Zoology Dept. Bhavan’s College, Andheri. Dr. PARVISH PANDYA’s presentation
Sites from which presentations have been downloaded and later editted. I am indeed thankful to them for their kindness and support : http://esg-www.mit.edu:8001/esgbio/cb/org/organelles.html http://faculty.pnc.edu/jcamp/parasit/parasit.html http://www.amnh.org/rose/hope/creatinghope/ http://www.biology.eku.edu/SCHUSTER/bio%20141/POWERPOINT %20NOTES/Intro%20to%20Protozoa_files/fullscreen.htm http://www.biosci.ohio-state.edu/~zoology/eeob405/ http://www.tulane.edu/~wiser/protozoology/pwpt/ http://www.iep.water.ca.gov/suisun/photos/wildlife.html http://www.uta.edu/biology/marshall/2343/ http://www.uta.edu/biology/faculty/faculty.html http://www.okc.cc.ok.us/biologylabs/Documents/Zoology/PowerPoint.htm http://bio.fsu.edu/ http://www.aw-bc.com/ http://www.nhm.org/ http://www.geo.cornell.edu/eas/education/course/descr/EAS302/presentations/ It is very easy to find mistakes in these presentations…..I request you to kindly rectify them and supply me the modifications needed at [email protected] Thanks a lot and have fun in teaching & learning Zoology…. Dr. PARVISH PANDYA’s presentation
REPRODUCTION • Reproduction in protozoa is divided into two main types: 1] Asexual & 2] Sexual. • Asexual Reproduction occurs without the union of male and female gametes. • Sexual Reproduction takes place by the union of sex cells.
Dr. PARVISH PANDYA’s presentation
ASEXUAL REPRODUCTION • 1) 2) 3) 4)
It is further divided into: Binary Fission Multiple Fission Budding Plasmotomy
Dr. PARVISH PANDYA’s presentation
Reproduction • Sexual – Male and female gametes
• Asexual – Binary Fission – Schizogony – Sporogony
• Encystment and Excystment Dr. PARVISH PANDYA’s presentation
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
Binary Fission
Fig. 8.4
• Mitosis – Division of nucleus
• Cytokinesis – Division of cytoplasm
8-3
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Encystment and Excystment • Cyst forms to survive harsh environment – Dormant stage – Resistant covering – Shuts down metablolism • Up to 49 years!
– Parasite leaves host
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
SEXUAL REPRODUCTION • 1) 2) 3) 4) 5) 6) 7)
It is further divided into: Syngamy Conjugation Autogamy Paedogamy Endomixis Cytogamy Hemimixis
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Sporogongy • Like schizogony except occurs after union of gametes
v
Dr. PARVISH PANDYA’s presentation
Schizogony
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Man
Mosquito
Sporozoites from mosquito bite
Ingest gametocytes
Sporozoites to liver
Fertilization in stomach
Schizogony to make merozoites
Oocyst forms
Merozoites enter RBCs
Sporozoites by sporogony
Schizogony to make merozoites
Sporozoites invade salivary gland
Merozoites Merozoitesbecome becomegametocytes gametocytes
Bites man
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA, Zoology Dept. Bhavan’s College, Andheri. Dr. PARVISH PANDYA’s presentation
Sites from which presentations have been downloaded and later editted. I am indeed thankful to them for their kindness and support : http://esg-www.mit.edu:8001/esgbio/cb/org/organelles.html http://faculty.pnc.edu/jcamp/parasit/parasit.html http://www.amnh.org/rose/hope/creatinghope/ http://www.biology.eku.edu/SCHUSTER/bio%20141/POWERPOINT %20NOTES/Intro%20to%20Protozoa_files/fullscreen.htm http://www.biosci.ohio-state.edu/~zoology/eeob405/ http://www.tulane.edu/~wiser/protozoology/pwpt/ http://www.iep.water.ca.gov/suisun/photos/wildlife.html http://www.uta.edu/biology/marshall/2343/ http://www.uta.edu/biology/faculty/faculty.html http://www.okc.cc.ok.us/biologylabs/Documents/Zoology/PowerPoint.htm http://bio.fsu.edu/ http://www.aw-bc.com/ http://www.nhm.org/ http://www.geo.cornell.edu/eas/education/course/descr/EAS302/presentations/ It is very easy to find mistakes in these presentations…..I request you to kindly rectify them and supply me the modifications needed at [email protected] Thanks a lot and have fun in teaching & learning Zoology…. Dr. PARVISH PANDYA’s presentation
REPRODUCTION • Reproduction in protozoa is divided into two main types: 1] Asexual & 2] Sexual. • Asexual Reproduction occurs without the union of male and female gametes. • Sexual Reproduction takes place by the union of sex cells.
Dr. PARVISH PANDYA’s presentation
ASEXUAL REPRODUCTION • 1) 2) 3) 4)
It is further divided into: Binary Fission Multiple Fission Budding Plasmotomy
Dr. PARVISH PANDYA’s presentation
Reproduction • Sexual – Male and female gametes
• Asexual – Binary Fission – Schizogony – Sporogony
• Encystment and Excystment Dr. PARVISH PANDYA’s presentation
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
Binary Fission
Fig. 8.4
• Mitosis – Division of nucleus
• Cytokinesis – Division of cytoplasm
8-3
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Encystment and Excystment • Cyst forms to survive harsh environment – Dormant stage – Resistant covering – Shuts down metablolism • Up to 49 years!
– Parasite leaves host
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
SEXUAL REPRODUCTION • 1) 2) 3) 4) 5) 6) 7)
It is further divided into: Syngamy Conjugation Autogamy Paedogamy Endomixis Cytogamy Hemimixis
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Sporogongy • Like schizogony except occurs after union of gametes
v
Dr. PARVISH PANDYA’s presentation
Schizogony
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Dr. PARVISH PANDYA’s presentation
Man
Mosquito
Sporozoites from mosquito bite
Ingest gametocytes
Sporozoites to liver
Fertilization in stomach
Schizogony to make merozoites
Oocyst forms
Merozoites enter RBCs
Sporozoites by sporogony
Schizogony to make merozoites
Sporozoites invade salivary gland
Merozoites Merozoitesbecome becomegametocytes gametocytes
Bites man
Dr. PARVISH PANDYA’s presentation
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