Gesto BR, Arredondo PR

Language: Spanish
References: 18
Page: 66-71
PDF size: 520.72 Kb.

ABSTRACT

During the last years hemoglobin (hb) genes have been detected in organisms from the three domains of life. These genes are classified into the M, S and T Hb families. The M Hbs include flavohemoglobins (fHbs) and single-domain Hbs (SDgbs), the S Hbs include globin-coupled sensors (GCSs), protoglobins (Pgbs) and sensor single domain Hbs (SSDgbs), and the T Hbs include truncated Hbs (tHbs). The fHbs, SDgbs, GCSs, SSDgbs, Pgbs and tHbs have been detected in Eubacteria, however only the GCSs, Pgbs, SSDgbs and tHbs have been detected in Archaea. In this review we describe general aspects on the recent advances on the study of bacterial Hbs from an evolutionary, structural and functional perspective.

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