José E. Frías

Requirement of the regulatory protein NtcA for the expression of nitrogen assimilation and heterocyst development genes in the cyanobacterium <i>Anabaena</i> sp. PCC7120

José E. Frías, Enrique Flores, Antonia Herrero · Molecular Microbiology · 1994 · 214 citations

Life Sciences, Genetics, Microbiology +17

Nitrate assimilation gene cluster from the heterocyst-forming cyanobacterium Anabaena sp. strain PCC 7120

José E. Frías, Enrique Flores, Antonia Herrero · Journal of Bacteriology · 1997 · 114 citations · Full text

Life Sciences, Genetics, Microbiology +16

General distribution of the nitrogen control gene ntcA in cyanobacteria

José E. Frías, Ángel Mérida, Antonia Herrero et al. · Journal of Bacteriology · 1993 · 94 citations · Full text

Life Sciences, Genetics, Microbiology +8

Differential oxidative stress responses to pure Microcystin-LR and Microcystin-containing and non-containing cyanobacterial crude extracts on Caco-2 cells

María Puerto, Silvia Pichardo, Ángeles Jos et al. · Toxicon · 2009 · 65 citations

Life Sciences, Microbiology, Toxicology +14

Activation of the <i>Anabaena nir</i> operon promoter requires both NtcA (CAP family) and NtcB (LysR family) transcription factors

José E. Frías, Enrique Flores, Antonia Herrero · Molecular Microbiology · 2000 · 61 citations

Life Sciences, Genetics, Microbiology +17