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Listar por autor "Herrero Moreno, Antonia"
Mostrando ítems 21-40 de 60
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Artículo
HetR-dependent and -independent expression of heterocyst-related genes in an Anabaena strain overproducing the NtcA transcription factor
Olmedo Verd, Elvira de; Flores García, Enrique; Herrero Moreno, Antonia; Muro Pastor, Alicia María (American Society for Microbiology, 2005)Heterocyst development in the cyanobacterium Anabaena sp. strain PCC 7120 depends on both the global nitrogen control ...
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Artículo
Inactivation of a heterocyst-specific invertase indicates a principal role of sucrose catabolism in heterocysts of Anabaena sp.
López Igual, Rocío; Flores García, Enrique; Herrero Moreno, Antonia (American Society for Microbiology, 2010)Anabaena sp. strain PCC 7120 is a filamentous cyanobacterium that carries out N2 fixation in specialized cells called ...
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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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Artículo
Intercellular Diffusion of a Fluorescent Sucrose Analog via the Septal Junctions in a Filamentous Cyanobacterium
Nürnberg, Dennis J.; Bornikoel, Jan; Nieves Morión, Mercedes; Krauß, Norbert; Herrero Moreno, Antonia; Flores García, Enrique; Mullineaux, Conrad W.; Mariscal, Vicente (American Society for Microbiology, 2015)Many filamentous cyanobacteria produce specialized nitrogen-fixing cells called heterocysts, which are located at semiregular ...
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Artículo
Localized induction of the ntcA regulatory gene in developing heterocysts of Anabaena sp. strain PCC 7120
Olmedo Verd, Elvira de; Muro Pastor, Alicia María; Flores García, Enrique; Herrero Moreno, Antonia (American Society for Microbiology, 2006)The ntcA gene encodes an N-control transcriptional regulator in cyanobacteria. In the N2-fixing, heterocyst-forming ...
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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
Nitrate assimilation gene cluster from the heterocyst-forming cyanobacterium Anabaena sp. Strain PCC 7120
Frías Sánchez, José Enrique; Flores García, Enrique; Herrero Moreno, Antonia (American Society for Microbiology, 1997)A region of the genome of the filamentous, nitrogen-fixing, heterocyst- forming cyanobacterium Anabaena sp. strain PCC ...
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Tesis Doctoral
Ntca un gen regulador de la asimilación de nitrógeno en la cianobacteria synechococcus
Vega Palas, Miguel Ángel (1991-11) -
Artículo
NtcA-regulated heterocyst differentiation genes hetC and devB from Anabaena sp. strain PCC 7120 exhibit a similar tandem promoter arrangement
Muro Pastor, María Isabel; Flores García, Enrique; Herrero Moreno, Antonia (American Society for Microbiology, 2009)Transcription of the hetC gene, whose product is required for heterocyst differentiation, takes place from a long promoter ...
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Tesis Doctoral
NucA, una nucleasa de baja especifidad de sustrato de las cianobacterias filamentosas formadoras de heterocistos
Muro Pastor, Alicia María (1992)En este trabajo se aborda la caracterización a nivel molecular de una actividad nucleasa inespecífica presente en las ...
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Artículo
Open reading frame all0601 from Anabaena sp. strain PCC 7120 represents a novel gene, cnaT, required for expression of the nitrate assimilation nir operon
Frías Sánchez, José Enrique; Herrero Moreno, Antonia; Flores García, Enrique (American Society for Microbiology, 2003-09)Expression of the nitrate assimilation nir operon in the filamentous, heterocyst-forming cyanobacterium Anabaena sp. strain ...
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Artículo
Overexpression of SepJ alters septal morphology and heterocyst pattern regulated by diffusible signals in Anabaena
Mariscal Romero, Vicente; Herrero Moreno, Antonia; Flores García, Enrique (Wiley, 2016)Filamentous, N2 -fixing, heterocyst-forming cyanobacteria grow as chains of cells that are connected by septal junctions. ...
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Tesis Doctoral
Regulación de la asimilación de nitrógeno en la cianobacteria formadora de heterocistos Anabaena sp. PCC7120
Frías Sánchez, José Enrique (1996-11)Las cianobacterias son capaces de asimilar diferentes fuentes de nitrógeno, como nitrato, nitrito y amonio. Algunas ...
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Tesis Doctoral
Regulación de los niveles celulares de los enzimas del sistema de reducción del Nitrato en Cianobacterias
Herrero Moreno, Antonia (1983)Se han identificado dos modelos de regulación de la síntesis de las nitrato reductasas de cianobacterias en función de la fuente nitrogenada.
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Tesis Doctoral
Regulation of cell size and cell division in the filamentous cyanobacterium Anabaena: a paradigm of bacterial multicellularity
Velázquez Suárez, Cristina (2023-07-19)La forma y el tamaño celular son caracteres codificados en el genoma bacteriano y, por tanto, hereditarios. En cada especie ...
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Artículo
Regulation of nitrate reductase levels in the cyanobacteria Anacystis nidulans, Anabaena sp. strain 7119, and Nostoc sp. strain 6719
Herrero Moreno, Antonia; Flores García, Enrique; García Guerrero, Miguel (American Society for Microbiology, 1981)The effect of the nitrogen source on the cellular activity of ferredoxin-nitrate reductase in different cyanobacteria was ...
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Artículo
Relationships between the ABC-exporter HetC and peptides that regulate the spatiotemporal pattern of heterocyst distribution in Anabaena
Corrales Guerrero, Laura; Flores García, Enrique; Herrero Moreno, Antonia (Public Library of Science, 2014)In the model cyanobacterium Anabaena sp. PCC 7120, cells called heterocysts that are specialized in the fixation of ...
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Artículo
Role of a cryptic tRNA gene operon in survival under translational stress
Santamaría Gómez, Javier; Rubio, Miguel Ángel; López Igual, Rocío; Romero Losada, Ana Belén; Delgado Chaves, Fernando M.; Bru Martínez, Roque; Romero Campero, Francisco José; Herrero Moreno, Antonia; Ibba, Michael; Ochoa de Alda, Jesús A. G.; Luque Romero, Ignacio (Oxford Academic, 2021-08-11)As compared to eukaryotes, bacteria have a reduced tRNA gene set encoding between 30 and 220 tR-NAs. Although in most ...
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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 ...