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1 Reproduction  and Senescence 1 Reproduction  and Senescence

1 Reproduction and Senescence - PowerPoint Presentation

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Uploaded On 2024-01-29

1 Reproduction and Senescence - PPT Presentation

Katerina Dadakova Department of Biochemistry Figures adopted from Buchanan et al Biochemistry amp molecular biology of plants Reproduction and Senescence 2 The ID: 1042379

cell reproduction plants development reproduction cell development plants ovule metabolism influences gametes cells megaspore death

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1. 1Reproduction and SenescenceKaterina Dadakova, Department of BiochemistryFigures adopted from Buchanan et al., Biochemistry & molecular biology of plants

2. Reproduction and Senescence2The life cycle of flowering plants

3. Reproduction and Senescence3The transition to reproductive development

4. Reproduction and Senescence4Flower development

5. Reproduction and Senescence5Male gametes

6. Reproduction and Senescence6Female gametes(A) Megaspore mother cell at the tip of a young ovule primordium(B) Functional megaspore initiates embryo sac development(C) Mature ovule containing synergid cells, egg cell, central cell, and antipodal cells

7. Reproduction and Senescence7Pollination and fertilizationGenetic basis of self-incompatibility

8. Reproduction and Senescence8Pollination and fertilizationGrowing pollen tube

9. Reproduction and Senescence9Seed development

10. Reproduction and Senescence10SenescenceIpomoea tricolorWelwitschia mirabilis

11. Reproduction and Senescence11Senescence

12. Reproduction and Senescence12Gene expression during senescenceGroups of genes upregulated in senescing leaves and petals

13. Reproduction and Senescence13Salvage of nutrientsNucleic acidsPhosphate export

14. MitochondrionTCA cycleReproduction and Senescence14Energy and metabolism

15. Reproduction and Senescence15Pigment metabolism in senescenceChromoplastChloroplastGerontoplast

16. Reproduction and Senescence16Environmental influences of senescenceCellular events during autumnal senescence in aspen

17. Reproduction and Senescence17Programmed cell deathAB, autophagic bodyAP, autophagosome

18. Reproduction and Senescence18Programmed cell death

19. Reproduction and Senescence19Programmed cell deathThe differentiation of tracheary elements

20. Reproduction and Senescence20Environmental influences of PCDCell death during the HR