Open AccessCharacterization Partial and Lead (Pb) Resistant of Diazotrophs Bacteria
Author(s) -
Tetty Marta Linda,
Iin selvina,
Atria Martina,
Wahyu Lestari,
Mira Miranda,
Gustiani Ulfa
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1655/1/012025
Subject(s) - diazotroph , bacteria , ammonium , bioremediation , cadmium , microorganism , environmental chemistry , chemistry , microbiology and biotechnology , biology , nitrogen fixation , organic chemistry , genetics
Heavy metals have toxic effects on animals, human health, plants, and the environment. Reduction of heavy metal pollution is needed one of which can use diazotrophs bacteria. The purpose of this study was to determine the characterization partial, the ability of diazotrophs bacteria NR 18, and NR 28 to excrete ammonium and their growth response to lead metal (Pb). The results of the study are known to each excretion ammonium for bacterial isolate NR 18 of 2.25 ppm and bacterial isolate NR 28 of 6.06 ppm. Bacteria NR18 and NR 28 were resistant in media supplement with lead (Pb) with a concentration of 300-600 ppm. In general, diazotrophs bacteria could be explored for bioremediation purposes.