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Transcript of 5.clorofitas
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CHLOROPHYTA
CHLOROPHYTA
CHLOROPHYTA
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(a) Charophyceae, Células con escamas con una raiz grande (the MLS) y una raiz pequeña. Los flagelo forman un angulo desde el punto de inserción(b) Ulvophyceae. Cuatro raices microtubulares (dos de cada tipo) en un arreglo cruciado y un par de raices fibrosas. Células con escamas. (c) Chlorophyceae. Raices cruciadas y la célula cubierta con una teca (F) Raices fibrosas o rizoplasto. (M) Raices microtubulares. (S) Escamas. (T) Teca
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DIVISION CELULAR
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Agregación de proteínas de celulosa sintetasa en la membrana plasmática.Rosetas de proteínas de celulosa sintetasa en las CharophyceaeEn filas lineales en las Chlorophyceae y Ulvophyceae.
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Whatley, J.M. & Whatley, F.R. 1980. Chloroplast evolution. The New Phycologist
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Whatley, J.M. & Whatley, F.R. 1980. Chloroplast evolution. The New Phycologist
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Chlamydomonas reinhardtii se ha adoptado como un sistema modelo para los estudios de cilios y de flagelos. Actualmente hay un entendimiento amplio de su ultraestructura, los mecanismos que generan y regulan el movimiento, el proceso de ensamblaje y la estructura y función del cuerpo basal.Mitchell, D.R. 2000. Chlamydomonas flagella. J. Phycol. 36(2): 261-275
http://www.upstate.edu/cdb/mitcheld/
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Thin section EM and diagram of a Chlamydomonas reinhardtii flagellar axoneme showing the location of major structural elements and listing mutations that disrupt each structure.
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A model of steps in the assembly of outer row dyneins. Numbers refer to outer row dynein assembly (oda) mutations that block specific steps (IFT = intraflagellar transport, a phenomenon essential to the flagellar assembly process)
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Digital averages of multiple thin section EM images reveal structural details of the central pair microtubule complex. Wild type central pair structures (A-C) are compared with mutants cpc1 (E-G) and pf6 (I-K).
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ATPFOTOSINTESIS
MANTENIMIENTOREGULACIÓN DE SINTESIS DE PROTEÍNAS
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Clorofila aClorofila b
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Edad de la microscopia óptica oEdad de la sistemática alfa
Edad de oro o Edad de la ultraestructura
Edad de platino o Edad de las moléculas
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TREBOUXIOPHYCEAE
CHLOROPHYCEAE ULVOPHYCEAE
PRASINOPHYCEAE
CHAROPHYCEAE& LAND PLANTS
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Ø ULOTRICHALESØ ULVALESØ CLADOPHORALESØ SIPHONOCLADESØ BRYOPSIDALESØ DASYCLADALES
ULVOPHYCEAE
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Diversidad morfológica.Mayormente marinos, algunos dulceacuicolas.
Talos mono o diestratificados a cenociticos.De 2 y 4 flagelos (x-2-x-2; CCW).Ciclo de vida haplodiplobiontico.
ULVOPHYCEAE
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CAPSOSIPHONACEAEØ Capsosiphon
ULOTRICHACEAEØ UlothrixØ UrosporaØ SpongomorphaØ Acrosiphonia
ULVOPHYCEAEULOTRICHALES
MONOSTROMATACEAEØ MonostromaØ ProtomonostromaØ Gayralia
GOMONTIACEAEØ EugomontiaØ Gomontia
COLLINSIELLACEAEØ Collinsiella
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ULOTRICHALES
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ULVOPHYCEAEULVALES
BOLBOCOLEONACEAEØ Bolbocoleon
ULVACEAEØ UlvaØ OchlochaeteØ RuthnielseniaØ UlvariaØ UmbraulvaØ Percursaria
KORNMANNIACEAEØ BlidingiaØ TellamiaØ Kornmannia
ULVELLACEAEØ AcrochaeteØ EpicladiaØ PringsheimiellaØ SyncoryneØ Entocladia
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ULVALES
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ULVOPHYCEAECLADOPHORALES
ANADYOMENACEAEØ Anadyomene
CLADOPHORACEAEØ ChaetomorphaØ BasicladiaØ AegagropilaØ WittrockiellaØ CladophoraØ RhizocloniumØ Pithophora
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CLADOPHORALES
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ULVOPHYCEAESIPHONOCLADES
BOODLEACEAEØ Boodlea
SIPHONOCLADACEAEØ BoergeseniaØ SiphonocladusØ Ventricaria
VALONIACEAEØ DictyosphaeriaØ ValoniaØ Valoniopsis
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SIPHONOCLADES
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ULVOPHYCEAEBRYOPSIDALES
BRYOPSIDACEAEØ BlastophysaØ BryopsisØ DerbesiaØ Pseudobryopsis
CAULERPACEAEØ Caulerpa
CODIACEAEØ Codium
HALIMEDACEAEØHalimeda
UDOTEACEAEØAvrainvilleaØChlorodesmisØPenicillusØRhipiliopsisØUdotea
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BRYOPSIDALES
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ULVOPHYCEAEDASYCLADALES
DASYCLADACEAEØ AcetabulariaØ BatophoraØ CymopoliaØ Neomeris
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DASYCLADALES
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TREBOUXIOPHYCEAE
CHLOROPHYCEAE ULVOPHYCEAE
PRASINOPHYCEAE
CHAROPHYCEAE& LAND PLANTS
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Ø CHLORELLALESØ OOCYSTALESØ TREBOUXIALESØ PRASIOLALESØ PLEURASTRALES
TREBOUXIOPHYCEAE
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Forman consorcios (líquenes)Picoplancton a planctónicos.
No se ha observado reproducción sexual.
TREBOUXIOPHYCEAE
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TREBOUXIOPHYCEAECHLORELLALESCHLORELLACEAEØ ChlorellaØ ProtothecaØ MarvaniaØ Apatococcus
OOCYSTALESEREMOSPHAERACEAEØ Eremosphaera
TREBOUXIALESTREBOUXIACEAEØ Trebouxia
PRASIOLALESPRASIOLACEAEØ PrasiolaØ Rosenvingiella
PLEURASTRALESPLEURASTRACEAEØ Microthamnion
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TREBOUXIOPHYCEAE
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TREBOUXIOPHYCEAE
CHLOROPHYCEAE ULVOPHYCEAE
PRASINOPHYCEAE
CHAROPHYCEAE& LAND PLANTS
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ØCHLOROCOCCALESØTETRASPORALESØOEDOGONIALESØVOLVOCALESØCHAETOPHORALES
CHLOROPHYCEAE
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CHLOROPHYCEAE
Algas verdes microscopicas.Chlamydomonas y Volvox (organismos modelo).
Indicadores paleoecológicos y limnológicos.Cocoides, unicelular movil, colonias, talos
aplanados y filamentos ramificados y no ramificados.
Citocinesis involucra un ficoplasto.Dos, cuatro o cientos de flagelos (en células
vegetativas, zoosporas o gametos).Ciclo de vida haplobiontico.
(x-2-x-2, CW o DO).
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CHLOROPHYCEAECHLOROCOCCALESSCENEDESMACEAEØ ScenedesmusHYDRODICTYACEAEØ PediastrumØ HydrodictyonCHLOROSARCINACEAEØ ChlorosarcinopsisTETRASPORALESTETRASPORACEAEØ TetrasporaOEDOGONIALESOEDOGONIACEAEØ Oedogonium
VOLVOCALESCHLAMYDOMONADACEAEØ ChlamydomonasGONIACEAEØ GoniumVOLVOCACEAEØ VolvoxØ PandorinaDUNALIELLACEAEØ DunaliellaCHAETOPHORALESCHAETOPHORACEAEØ Uronema
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CHLOROPHYCEAE
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TREBOUXIOPHYCEAE
CHLOROPHYCEAE ULVOPHYCEAE
PRASINOPHYCEAE
CHAROPHYCEAE& LAND PLANTS
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Ø CHLORODENDRALESØ PYRAMIMONADALESØ MAMIELLALES
PRASINOPHYCEAE
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Forman afloramientos algales.Son mixotroficos.
“ancestral green flagellate” (AGF).Forma de fréjol a estrellado, de 1 a 8
flagelos.Presencia de escamas orgánicas.
Agua dulce, salobre y marina.
PRASINOPHYCEAE
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PRASINOPHYCEAECHLORODENDRALESCHLORODENDRACEAEØ TetraselmisØ PrasinocladusPYRAMIMONADALESPYRAMIMONADACEAEØ PyramimonasMAMIELLALESMAMIELLACEAEØ Ostreococcus
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PRASINOPHYCEAE
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TREBOUXIOPHYCEAE
CHLOROPHYCEAE ULVOPHYCEAE
PRASINOPHYCEAE
CHAROPHYCEAE& LAND PLANTS
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ORGANISMOS EXTREMOFILOS
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Dunaliella salina (Chlorophyta) desarrolla a salinidades > 10Dunaliella acidophila (Chlorophyta) desarrolla a pH < 2
Mantoniella sp. (Prasinophyta) respiraderos hidrotérmicos marinos
Cephaleuros parasiticus (Trebouxiophyta) sobre hojas de Magnolia
Trentepohlia sp. (Trebouxiophyta) consorcios liquénico.Chloromonas (Chlorophyta) temperatura < 10°C