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Listar por autor "Valladares Ruiz, Ana"
Mostrando ítems 1-13 de 13
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Artículo
Cyt c6-3: A new isoform of photosynthetic Cyt c6 exclusive to heterocyst-forming cyanobacteria
Torrado Maya, Alejandro; Valladares Ruiz, Ana; Puerto Galán, Leonor; Hervás Morón, Manuel; Navarro Carruesco, José Antonio; Molina Heredia, Fernando Publio (Oxford University Press, 2017)All known cyanobacteria contain Cyt c6, a small soluble electron carrier protein whose main function is to transfer electrons ...
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Artículo
FtsZ of filamentous, heterocyst-forming cyanobacteria has a conserved N-Terminal peptide required for normal FtsZ polymerization and cell division
Corrales Guerrero, Laura; Camargo Bernal, Sergio; Valladares Ruiz, Ana; Picossi Goñi, Silvia María; Luque Romero, Ignacio; Ochoa de Alda, Jesús A. G.; Herrero Moreno, Antonia (Frontiers Media, 2018-10-02)Filamentous cyanobacteria grow by intercalary cell division, which should involve distinct steps compared to those producing ...
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Artículo
Heterocyst development and diazotrophic metabolism in terminal respiratory oxidase mutants of the cyanobacterium Anabaena sp. strain PCC 7120
Valladares Ruiz, Ana; Maldener, Iris; Muro Pastor, Alicia María; Flores García, Enrique; Herrero Moreno, Antonia (American Society for Microbiology, 2007)Heterocyst development was analyzed in mutants of the heterocyst-forming cyanobacterium Anabaena sp. strain PCC 7120 bearing ...
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Artículo
Interactions of PatA with the divisome during heterocyst differentiation in anabaena
Valladares Ruiz, Ana; Velázquez Suárez, Cristina; Herrero Moreno, Antonia (American Society for Microbiology, 2020)The Anabaena organismic unit is a filament of communicating cells. Under conditions of nitrogen scarcity, some cells along ...
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Tesis Doctoral
Mecanismos de activación transcripcional durante la diferenciación de los heterocistos en la cianobacteria modelo anabaena sp. Pcc 7120
Camargo Bernal, Sergio (2015-01-30)Las cianobacterias conforman un grupo de microorganismos caracterizados por un modo de vida fotoautotrófico en el que ...
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Artículo
Mutual dependence of the expression of the cell differentiation regulatory protein HetR and the global nitrogen regulator NtcA during heterocyst development
Muro Pastor, Alicia María; Valladares Ruiz, Ana; Flores García, Enrique; Herrero Moreno, Antonia (Wiley, 2002)Heterocyst differentiation in the cyanobacterium Anabaena sp. strain PCC 7120 depends on both the global nitrogen regulator ...
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Artículo
Role of two NtcA-binding sites in the complex ntcA gene promoter of the heterocyst-forming cyanobacterium Anabaena sp. strain PCC 7120
Olmedo Verd, Elvira de; Valladares Ruiz, Ana; Flores García, Enrique; Herrero Moreno, Antonia; Muro Pastor, Alicia María (American Society for Microbiology, 2008)Anabaena sp. strain PCC 7120 is a filamentous cyanobacterium that fixes N2 in specialized cells called heterocysts, which ...
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Artículo
Specific role of the cyanobacterial pipX factor in the heterocysts of Anabaena sp. strain PCC 7120
Valladares Ruiz, Ana; Rodríguez, Virginia; Camargo Bernal, Sergio; Martínez Noël, Giselle M. A.; Herrero Moreno, Antonia; Luque Romero, Ignacio (American Society for Microbiology, 2011)The PipX factor is a regulatory protein that seems to occur only in cyanobacteria. In the filamentous, heterocyst-forming ...
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Artículo
The heterocyst differentiation transcriptional regulator HetR of the filamentous cyanobactrium Anabaena forms tetramers and can be regulated by phosphorylation
Valladares Ruiz, Ana; Flores García, Enrique; Herrero Moreno, Antonia (Wiley, 2016)Many filamentous cyanobacteria respond to the external cue of nitrogen scarcity by the differentiation of heterocysts, ...
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Artículo
The NtcA-dependent P1 promoter is utilized for glnA expression in N2-fixing heterocysts of Anabaena sp. strain PCC 7120
Valladares Ruiz, Ana; Muro Pastor, Alicia María; Herrero Moreno, Antonia; Flores García, Enrique (American Society for Microbiology, 2004-11)Expression of the glnA gene encoding glutamine synthetase, a key enzyme in nitrogen metabolism, is subject to a variety ...
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Artículo
Transcription activation by NtcA and 2-oxoglutarate of three genes involved in heterocyst differentiation in the cyanobacterium Anabaena sp. strain PCC 7120
Valladares Ruiz, Ana; Flores García, Enrique; Herrero Moreno, Antonia (American Society for Microbiology, 2008)In Anabaena sp. strain PCC 7120, differentiation of heterocysts takes place in response to the external cue of combined ...
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Tesis Doctoral
Transporte de urea y estudio de promotores de genes regulados por nitrógeno en la cianobacteria Anabaena SP. PCC7120
Valladares Ruiz, Ana (2001-03-14)En este trabajo se abordó, por un lado, el estudio del sistema de asimilacion de urea en cianobacterias, y, por otro, la ...
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Artículo
ZipN is an essential FtsZ membrane tether and contributes to the septal localization of SepJ in the flamentous cyanobacterium Anabaena
Camargo Bernal, Sergio; Picossi Goñi, Silvia María; Corrales Guerrero, Laura; Valladares Ruiz, Ana; Arévalo, Sergio; Herrero Moreno, Antonia (Nature Publishing Group, 2019)The organismic unit of heterocyst-forming cyanobacteria is a filament of communicating cells connected by septal junctions, ...