Global Advanced Research Journal of Medicine and Medical Sciences (GARJMMS) ISSN: 2315-5159
July 2014 Vol. 3(7), pp. 132-138
Copyright © 2014 Global Advanced Research Journals



A bacterial novel quinone participating in multiple functions in higher organisms

Marcos Flores-Encarnación1*, Jennifer Yanine González-Gutiérrez1, Daniela Amador-Bravo1, Luis Alejandro Bravo-Juárez1, and

Carlos Cabrera-Maldonado2

1Laboratorio de Microbiología Molecular y Celular. Facultad de Medicina. Benemérita Universidad Autónoma de Puebla.
2Dpto. de Microbiología, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla.

*Corresponding Author E-mail:;  Phone: +52222 5530754

Accepted 07 July, 2014


The quinoproteins are a group of enzymes that use as cofactor to a quinone novel, pyrroloquinoline quinone (PQQ). The most widely enzymes studied are the bacterial periplasmic dehydrogenases that oxidize sugars, alcohols, aldehydes and some decarboxylases and oxidases containing PQQ have been studied also. In higher organisms have been reported multiple functions that involved the PQQ, such as free radical scavenger, inhibitor of cataracts, as promoter of animal and plant growth and development. Also It increases the cognitive capacity and favors the energy metabolism on having increased the number of mitocondrias in the tissues, among others. The present review trying to approach some of the most relevant aspects of the role of a novel quinone (PQQ) in higher organisms.

Keywords:  PQQ, Quinoprotein, Quinone, Enzymes.


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