brown algae anatomy revisited: cortex and medulla figs. 17.15 in lee 1999 cortex medulla
TRANSCRIPT
Brown Algae Anatomy Revisited:Cortex and Medulla
Figs. 17.15 in Lee 1999Cortex Medulla
1
2
Cell Wall
1112
13
Commercial Use
Cell Wall Components I
4
Na+
K+
Ca2+
Mg2+
3
Cell Wall Components II
Cell Wall Components III
Fig. 12.5 in Graham et al. 2008
PLASTIDS
27
Chlorophyll a
6B Carotene Violaxanthin Fucoxanthin
Pigments
Pigment Absorption Spectrum
7
Chloroplast Origin
34
Storage Product
3
1
:
11
1
:
(Chrysolaminarin)
8
Pyrenoid
Cell Division
Semi-Closed Mitosis
Cytokinesis
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)
11
12Sporophyte
Gametophyte
Pleurilocular Gametangium
Unilocular Sporangium
Female Gametangium Male Gametangium
Pheremone(= Sex Hormone)
(e.g., Ectocarpene)
Ectocarpus
Mixture of Sexual, Asexual Reproduction:Pleurilocular Sporangia
Sporophyte (2n) Gametophyte (n)
Ectocarpus Summary
13
Heteromorphic Alternation of Generations(Laminaria)
14
Sporophyte (2n)
Gametophyte (n)
Gametes (n)Zygote (2n)
Unilocular Sporangium
Gametangia
Sporophyte (2n)
Gametophyte (n)
15
Fucus(Air Bladders, Receptacles)
Diplontic (2n)Gametes (n)
Zygote (2n)
16
17
18
Conceptacles, Ostiole, Female Gametangia, Male Gametangia
Male Gametangia Female GametangiaGametes (n)
Sporophyte (2n) Gametophyte (n)
X
18
Stramenopiles: Phaeophyceae
19
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
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