Lecture+4-Growth+_+Development

Lecture+4-Growth+_+Development - of the embryo 16.3...

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9/12/2011 1 Plant growth and development can be divided into three different phases. Embryogenesis : development of the embryo from the Zygote Vegetative phase : development of a mature plant from the embryo Reproductive phase : development of reproductive structures
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9/12/2011 2 Plant life cycle alternates between two generations 1) Sporophyte (2n) 2) Gametophyte (n) 16.1 Arabidopsis thaliana (Part 1)
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9/12/2011 3 Development of sporophyte Development of gametophytes Pollen grain (male gametophyte)
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9/12/2011 4 Double fertilization is common in plants. 16.3 Cellular characteristics of Arabidopsis embryogenesis (Part 1) Establishment of polarity is important for the proper development of the embryo
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9/12/2011 5 16.2 Arabidopsis ovule containing the embryo sac at about 4 hours after double fertilization Establishment of polarity is important for the proper development
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Unformatted text preview: of the embryo 16.3 Cellular characteristics of Arabidopsis embryogenesis (Part 2) Clonally related group of cells produce specific tissues in young embryo 9/12/2011 6 16.5 Arabidopsis embryogenesis is characterized by a precise pattern of cell division 16.4 Postembryonic development of Arabidopsis thaliana Majority of the plant growth and development occurs through postembryonic development 9/12/2011 7 16.8 Evidence for a role for auxin in early embryonic development (Part 2) Plant hormone auxin plays a major role in embryo development 16.9 PIN-dependent auxin movement during early stages of embryogenesis Plant hormone auxin plays a major role in embryo development 9/12/2011 8 16.10 Genes essential for Arabidopsis embryogenesis (Part 1)...
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This note was uploaded on 11/09/2011 for the course BIO 101 taught by Professor Pesthy during the Fall '07 term at Texas State.

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Lecture+4-Growth+_+Development - of the embryo 16.3...

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