Departamento de Bioquimica Vegetal, Divisi6n de Estudios de Posgrado, Facultad de Qulmica, UNAM, ... more Departamento de Bioquimica Vegetal, Divisi6n de Estudios de Posgrado, Facultad de Qulmica, UNAM, MEX-04510 M6xico, DF; Present address: Centro de Investigaci6n Cientifica de Yucatdn, AC, Divisi6n de Biologla Vegetal, Apdo. Postal 87, MEX-97310 Cordemex, ...
Molecular Biotechnology 2000 Humana Press Inc. All rights of any nature whatsoever reserved. 107... more Molecular Biotechnology 2000 Humana Press Inc. All rights of any nature whatsoever reserved. 10736085/2000/16:1/1721/$11.25 ... The extraction of high-quality, intact RNA is a critical step in many molecular biology experi-mental procedures, because several ...
The activities of the enzymes nitrate reductase (EC 1.6. 6.1) and nitrite reductase (EC 1.7. 99.3... more The activities of the enzymes nitrate reductase (EC 1.6. 6.1) and nitrite reductase (EC 1.7. 99.3) were measured in the leaves and roots of whole plants of Catharanthus roseus grown in different nitrogen sources: water (control), 20 m M KNO3, 2 m M NH4Cl, and a mixture of nitrate and ammonium. The activities of these enzymes were also measured in leaf explants incubated in the same nitrogen sources. The results indicate that nitrate reductase and nitrite reductase in leaves behaved very differently from those in roots. Activity of leaf nitrate ...
A growth promoting effect similar to that of 2, 4-D is induced in Bouvardia ternifolia calli and ... more A growth promoting effect similar to that of 2, 4-D is induced in Bouvardia ternifolia calli and cell suspension cultures by some beta lactam antibiotics but not by others. It was found that this effect was exerted only by those penicillins that contain an auxin-like moiety associated with the 6-aminopenicillanic acid, such as carbenicillin or penicillin G. Phenylacetic acid and 6-aminopenicillanic acid were inactive on their own.
Departamento de Bioquimica Vegetal, Divisi6n de Estudios de Posgrado, Facultad de Qulmica, UNAM, ... more Departamento de Bioquimica Vegetal, Divisi6n de Estudios de Posgrado, Facultad de Qulmica, UNAM, MEX-04510 M6xico, DF; Present address: Centro de Investigaci6n Cientifica de Yucatdn, AC, Divisi6n de Biologla Vegetal, Apdo. Postal 87, MEX-97310 Cordemex, ...
Molecular Biotechnology 2000 Humana Press Inc. All rights of any nature whatsoever reserved. 107... more Molecular Biotechnology 2000 Humana Press Inc. All rights of any nature whatsoever reserved. 10736085/2000/16:1/1721/$11.25 ... The extraction of high-quality, intact RNA is a critical step in many molecular biology experi-mental procedures, because several ...
The activities of the enzymes nitrate reductase (EC 1.6. 6.1) and nitrite reductase (EC 1.7. 99.3... more The activities of the enzymes nitrate reductase (EC 1.6. 6.1) and nitrite reductase (EC 1.7. 99.3) were measured in the leaves and roots of whole plants of Catharanthus roseus grown in different nitrogen sources: water (control), 20 m M KNO3, 2 m M NH4Cl, and a mixture of nitrate and ammonium. The activities of these enzymes were also measured in leaf explants incubated in the same nitrogen sources. The results indicate that nitrate reductase and nitrite reductase in leaves behaved very differently from those in roots. Activity of leaf nitrate ...
A growth promoting effect similar to that of 2, 4-D is induced in Bouvardia ternifolia calli and ... more A growth promoting effect similar to that of 2, 4-D is induced in Bouvardia ternifolia calli and cell suspension cultures by some beta lactam antibiotics but not by others. It was found that this effect was exerted only by those penicillins that contain an auxin-like moiety associated with the 6-aminopenicillanic acid, such as carbenicillin or penicillin G. Phenylacetic acid and 6-aminopenicillanic acid were inactive on their own.
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