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2017 División Cyanophyta (T4) para Ambientales

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Trinidad Ruiz Téllez

on 7 February 2017

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Transcript of 2017 División Cyanophyta (T4) para Ambientales


División Cyanophyta

Cyanobacteria
algas verdeazuladas
blue-green algae
cianofitos
Procariotas.
Con ficocianina y ficoeritrina (ficobiliproteínas)
Bacterias gram-negativas, con pared de mureína (péptido glicano)
Sin membrana nuclear, ni reproducción sexual
Con clorofila a y b
Dominio Bacteria
Polimorfismo químico, sencillez morfoestructural
Fotosíntesis oxigénica
Arquitectos de la atmósfera de oxígeno
Originadoras de cloroplastos de plantas
Unicelulares

filamentos multicelulares
Stigonema
cenobios filamentosos ramificados
Hapalosiphon
cenobios filamentosos no ramificados
Oscillatoria
cenobios globulares
Gloeocapsa
Fijadoras de Nitrógeno atmosférico
Amplia valencia ecológica
heterociste
hormogonio
acineto
Importancia medioambiental

Capa de ozono
Base cadenas tróficas
Fijación nitrógeno
Blooms y cianotoxinas
Bioproductos
Biodiversidad (c. 2000 sp)
Nostoc
Visitar:
http://www-cyanosite.bio.purdue.edu/
Synechococcus
(dividiéndose)
Full transcript