Notes Priciples of biology alveolates

Notes Priciples of biology alveolates - Notes Principles of...

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Notes Principles of Biology 02/10/14 Alveolates Alveoli : membrane-bounded sacs Each group is characterized by the type of motility Dinoflagellates use flagella to swim Apicomplexa move on surfaces by gliding Ciliates use cilia to move All have plastids resulting from endosymbiosis (but not all are photosynthetic) Dinoflagellates Flagella located in perpendicular grooves spin as they move ( “dinos” means rotation) Important component of the phytoplankton (i.e. aquatic photosynthetic microbes) Carotenoid pigment in plastid (red tide) Apicomplexa Apicoplast ( non photosynthetic) Apex (specialized structure for penetration of host cells) Plasmodium falciparum entering a red blood cell malaria Cannot perform photosynthesis
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Unformatted text preview: • Plasmodium is narrower in host range Two-host life cycle of Plasmodium • Insect factor: MOSQUITOS (female) • Just know that the mosquito affects liver and blood and there’s a bunch transformations that go on Malaria: facts and figures • 2.7 million deaths per year** • no vaccine • resistance to drugs increasing (parasite and vector) • Why should we care? very frequent and spreads a lot. Ciliates • Use of cilia to move and feed • Micronucleus (is transferred to progeny) • germline, silent and diploid • Macronucleus (amplified from micronucleus) • (somatic, highly polyploid) • Several hundreds of chromosomes • 0.5-1 Mb in size...
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  • Spring '14
  • AlbertGrazia
  • Plasmodium falciparum, 1 MB, aquatic photosynthetic microbes, (red tide), Two-host life cycle

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