Actinobacteria exhibit cosmopolitan distribution since their members are widely distributed
in aquatic and terrestrial ecosystems. In the environment they play relevant ecological roles …

Microorganisms can enzymatically reduce a variety of metals in metabolic processes that
are not related to metal assimilation. Some microorganisms can conserve energy to support …

Exploring the role of enzymes in biogeochemical processes, this reference explores the
function, molecular biology, and biochemistry of microorganisms and their intra-and extra …

Heavy metal pollution is a direct consequence of the extensive utilization of heavy metals in
various industrial processes. The persistence and nondegradability of heavy metals cause …

The anthropogenic inputs of hexavalent chromium [Cr (VI)] have increased enormously
during the past few decades and has become a challenge for life on earth and hence …

This review was conducted to describe the microbial reduction of hexavalent chromium [Cr
(VI)] in general and a potential for biological treatment of Cr (VI)-containing wastes in …

Increasing industrialization and anthropogenic activities have resulted in the release of a
wide variety of pollutants into the environment including pesticides, polycyclic aromatic …

A summary of recent literature on the microbial reduction of metals. The chapter is divided
into seven sections entitled:(1) introduction;(2) Fe (III) and Mn (IV) reduction;(3) uranium …

An NAD (P) H-dependent Cr (VI) reductase (molecular weight= 65,000) was purified from a
Cr (VI)-resistant bacterium, Pseudomonas ambigua G-1. Stoichiometric analysis of the …

Cr (VI) represents a serious threat to human health, living resources and ecological system
as it is persistent, carcinogenic and toxic, whereas, Cr (III), another stable oxidation state of …