Brown Algae Anatomy Revisited: Cortex and Medulla Figs. 17.15 in Lee 1999 Cortex Medulla.

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Brown Algae Anatomy Revisited: Cortex and Medulla Figs. 17.15 in Lee 1999 Cortex Medulla

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Transcript of Brown Algae Anatomy Revisited: Cortex and Medulla Figs. 17.15 in Lee 1999 Cortex Medulla.

Page 1: Brown Algae Anatomy Revisited: Cortex and Medulla Figs. 17.15 in Lee 1999 Cortex Medulla.

Brown Algae Anatomy Revisited:Cortex and Medulla

Figs. 17.15 in Lee 1999Cortex Medulla

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2

Cell Wall

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1112

13

Commercial Use

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Cell Wall Components I

4

Na+

K+

Ca2+

Mg2+

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Cell Wall Components II

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Cell Wall Components III

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Fig. 12.5 in Graham et al. 2008

PLASTIDS

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Chlorophyll a

6B Carotene Violaxanthin Fucoxanthin

Pigments

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Pigment Absorption Spectrum

7

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Chloroplast Origin

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Storage Product

3

1

:

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1

:

(Chrysolaminarin)

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Pyrenoid

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Cell Division

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Semi-Closed Mitosis

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Cytokinesis

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Fig. 14.23 in Graham et al. 2008

Isomorphic Alternation of Generations(Ectocarpus)

Ectocarpus Ectocarpus

Sporophyte (2n) Gametophyte (n)

Spore (n)

Gametes (n)Zygote (2n)

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12Sporophyte

Gametophyte

Pleurilocular Gametangium

Unilocular Sporangium

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Female Gametangium Male Gametangium

Pheremone(= Sex Hormone)

(e.g., Ectocarpene)

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Ectocarpus

Mixture of Sexual, Asexual Reproduction:Pleurilocular Sporangia

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Sporophyte (2n) Gametophyte (n)

Ectocarpus Summary

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Heteromorphic Alternation of Generations(Laminaria)

14

Sporophyte (2n)

Gametophyte (n)

Gametes (n)Zygote (2n)

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Unilocular Sporangium

Gametangia

Sporophyte (2n)

Gametophyte (n)

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Fucus(Air Bladders, Receptacles)

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Diplontic (2n)Gametes (n)

Zygote (2n)

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17

18

Conceptacles, Ostiole, Female Gametangia, Male Gametangia

Male Gametangia Female GametangiaGametes (n)

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Sporophyte (2n) Gametophyte (n)

X

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Stramenopiles: Phaeophyceae

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1 http://www.botany.ubc.ca/Biol320/ultra/x7.jpg

2 http://www.ccap.ac.uk/news/images/Eu05_EcCaro_10dai_Ex97_bar20microns_ web_000.jpg

3 http://www.greenspirit.org.uk/resources/cellulose.gif

4 http://www.aapspharmscitech.org/articles/pt0803/pt0803051/pt0803051_figure1.jpg

5 http://www.scielo.br/img/revistas/aabc/v77n4/a07fig04.gif

6 http://www.nature.com/nbt/journal/v18/n8/thumbs/nbt0800_888_F4.gif

7 http://www.angelo.edu/faculty/kboudrea/molecule_gallery/04_aromatics/ chlorophyll-a_01.gif8 http://www.botany.ubc.ca/Biol320/ultra/iii1.jpg

9 http://www.ne.jp/asahi/marine/algae/Ectocarpus3.jpg

10 http://io.uwinnipeg.ca/~simmons/2152web/2152/l5fig5.jpg

11 http://image40.webshots.com/40/7/24/93/304372493JEvCwL_ph.jpg

12 http://plantphys.info/organismal/lechtml/images/ectocarpusgam.jpg

http://www.ccap.ac.uk/news/images/Eu05_EcCaro_10dai_Ex97_bar20microns_
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27 http://www.holocaust-history.org/auschwitz/zyklonb/Sample3-diatomaceousearth.jpg

13 http://www.dkimages.com/discover/previews/889/85001718.JPG

14 http://www.jochemnet.de/fiu/bot4404/Br_Laminaria_gametophyte.jpg

15 http://upload.wikimedia.org/wikipedia/commons/c/c9/Fucus_vesiculosus_ closeup.jpg

16 http://botit.botany.wisc.edu/images/130/Protista_I/Phaeophyta_Images/ Fucus_Images/Conceptacle_receptacle_MC.low.jpg

17 http://botit.botany.wisc.edu/courses/botany_130/Diversity/ Protista/images/Oogonia.jpg

18 http://api.ning.com/files/y8l6PSTl4ba9-W6ejDMaJKFF30sF6fB6Typ Nupyxdt73eX6CpKCTnrU3WH5-0i1SFxfWQwdcA4KgW2-8xnnpLsU9hHP wX*jz/kelpfish.jpg


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