Results 11 to 20 of about 213 (130)

Characters of a nitrobacter enrichment culture from a freshwater aquaculture pond

open access: yesBiotechnology & Biotechnological Equipment, 2021
To isolate nitrite-oxidizing bacteria to control the nitrite concentration in freshwater aquaculture systems, a Nitrobacter enrichment culture was obtained from a freshwater shrimp pond using a continuous enrichment and gradient dilution method.
Mengying He, Ying Xiong, Kai Cheng
doaj   +1 more source

Deoxyribonucleic acid in Nitrobacter carboxysomes [PDF]

open access: yesJournal of Bacteriology, 1979
Carboxysomes were isolated from Nitrobacter winogradskyi and Nitrobacter agilis. The icosahedral particles contained double-stranded deoxyribonucleic acid (DNA). In the presence of ethidium bromide and cesium chloride, the particle-bound DNA had a buoyant density of rho 25 = 1.701 g/cm3.
K, Westphal   +3 more
openaire   +2 more sources

Water quality assessment of East Kolkata Wetland with a special focus on bioremediation by nitrifying bacteria

open access: yesWater Science and Technology, 2021
East Kolkata Wetlands (EKW) is designated as International Ramsar site and are the hotspot for large-scale wastewater aquaculture practices. However, the continued surveillance of physicochemical properties of water and application of an eco-friendly ...
Mousumi Saha   +2 more
doaj   +1 more source

Short Communication: Biochemistry Analysis and Molecular Approach to Identify the Cultured Bacterial from Ex-Tin Mining Lakes

open access: yesJurnal Ilmu Lingkungan, 2022
There are two methods to identify the bacterial characteristic, namely biochemical analysis and the 16S ribosomal ribonucleic acid gene (16S rRNA) sequencing analysis.
Andri Kurniawan   +3 more
doaj   +1 more source

Response of Nitrifier and Denitrifier Abundance to Salinity Gradients in Agricultural Soils at the Yellow River Estuary

open access: yesAgronomy, 2022
Salinization is considered a threat to agricultural soil and decreases crop yield worldwide. Nitrification and denitrification are the core processes of soil N-cycle.
Daqing Huang, Xiang Li, Xuesong Luo
doaj   +1 more source

Icosahedral inclusions (carboxysomes) of Nitrobacter agilis [PDF]

open access: yesJournal of Bacteriology, 1977
The icosahedral bodies of Nitrobacter agilis are about 120 nm in diameter and, as viewed by electron microscopy, consist of an outer shell enclosing 10-nm particles. The inner 10-nm particle is the enzyme D-ribulose 1,5-bisphosphate carboxylase. The bodies isolated from cells incubated 1 month without nitrite had a specific activity for the enzyme of 0.
J M, Shively   +3 more
openaire   +2 more sources

Nitrite-Oxidizing Bacteria Community Composition and Diversity Are Influenced by Fertilizer Regimes, but Are Independent of the Soil Aggregate in Acidic Subtropical Red Soil

open access: yesFrontiers in Microbiology, 2018
Nitrification is the two-step aerobic oxidation of ammonia to nitrate via nitrite in the nitrogen-cycle on earth. However, very limited information is available on how fertilizer regimes affect the distribution of nitrite oxidizers, which are involved in
Shun Han   +7 more
doaj   +1 more source

Stimulation of Nitrobacter agilis by Biotin [PDF]

open access: yesJournal of Bacteriology, 1965
Krulwich, Terry A. (Goucher College, Baltimore, Md.), and Helen B. Funk . Stimulation of Nitrobacter agilis by biotin. J. Bacteriol. 90: 729–733. 1965.—Addition of biotin to nitrite-mineral medium greatly stimulated the autotrophic growth of four strains of
T A, Krulwich, H B, Funk
openaire   +2 more sources

Molecular Phylogenetic Analysis of Nitrobacter spp. [PDF]

open access: yesInternational Journal of Systematic Bacteriology, 1994
The phylogeny of bacteria belonging to the genus Nitrobacter was investigated by sequencing the whole 16S rRNA gene. The average level of similarity for the three Nitrobacter strains examined was high (99.2%), and the similarity level between Nitrobacter winogradskyi and Nitrobacter sp. strain LL, which represent two different genomic species, was even
Orso, S.   +3 more
openaire   +2 more sources

The nitrite oxidizing system of Nitrobacter winogradskyi [PDF]

open access: yesFEMS Microbiology Letters, 1988
Cytochrome components which participate in the oxidation of nitrite in Nitrobacter winogradskyi have been highly purified and their properties studied in detail. Cytochrome a1c1 is an iron-sulphur molybdoenzyme which has haems a and c and acts as a nitrite-cytochrome c oxidoreductase.
T, Yamanaka, Y, Fukumori
openaire   +2 more sources

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