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Chlrophyta by sohail riaz hashmi

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Chlrophyta by sohail riaz hashmi

  1. 1. Chlorophyta
  2. 2. Presented by: Zainab Rana Presented to: DR Umair Ahmad Awan
  3. 3. Table of Contents  Biochemistry of chlorophyta  Ecology of chlorophyta  Economic importance of chlorophyta
  4. 4. Biochemistry  Chlorophyll a and b present  Caroteniods are also present  Chlorophyta share the same pigments as land plants
  5. 5. Ecology  Species of Chlorophyta are common inhabitants of marine freshwater and terrestrial environments  Several species have adapted to specialized and extreme environments  Such as deserts, arctic environments, hypersaline habitats, marine deep waters, deep-sea hydrothermal vents and habitats that experiences extreme changes in temperature, light and salinity  Some groups are exclusively found on land  such as the Trentepohliales
  6. 6. Cont….  Several species of Chlorophyta live in symbiosis with a diverse range of eukaryotes  Including fungi, ciliates, forams, cnidarians and molluscs  Some species of Chlorophyta are heterotrophic, either free- living or parasitic  Two common species of the heterotrophic green alga Prototheca are pathogenic and can cause the disease protothecosis in humans and animals
  7. 7. Economic importance  Food • A number of green algae are used as food • For example Ulva, Caulerpa, Enteromorpha • Chlorella can yield food rich in lipids, proteins, vitamins and minerals  Antibiotics • They can be extracted from Chlorella and Caulerpa
  8. 8. Cont….. Cont……  Parasites • Cephaleuros virescens causes red rust of tea • It also reduce the yield of tea • Also reduce the yield of coffee, pepper, citrus etc  Sewage oxidation • Sewage oxidation ponds contain a number of green algae • For example Chlamydomonas, Chlorella
  9. 9. Cont….  Green algae as Ancestors of land plants • There are no biochemical, cytological and morphological similarities between land pants and any other group of algae except the green ones or chlorophyta  But: • Both posses same type of chlorophyll a and b • Carotenoids pigments are similar in two groups • Flagella are similar in motile form of the two
  10. 10. Thank you

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