Results 21 to 30 of about 4,642 (166)

Nodulation of Shepherdia ×utahensis ‘Torrey’ and the Diversity of Symbiotic Frankia Strains

HortScience, 2021
Shepherdia ×utahensis ‘Torrey’ (hybrid buffaloberry) is an actinorhizal plant that can form symbiotic nodules with the actinobacterial genus Frankia. However, little research has been conducted to investigate the presence of Frankia in their nodules and ...
Ji-Jhong Chen, Jeanette Norton, Heidi Kratsch, Youping Sun, Larry Rupp   +4 more
doaj   +1 more source

Understanding the expression dynamics of symbiont rhizobial nifH and nitrogen assimilatory NR and GS genes in dry bean (Phaseolus vulgaris L.) genotypes at various growth stages

Legume Science, 2020
Selection of dry bean (Phaseolus vulgaris L.) cultivars based on their symbiotic nitrogen fixation (SNF) could reduce the fertilizer N requirement. The nifH gene in the bacterial symbiont facilitates the organic N assimilation by N‐assimilatory enzymes ...
Debankur Sanyal, Shyam Solanki, Gazala Ameen, Robert S. Brueggeman, Amitava Chatterjee   +4 more
doaj   +1 more source

High diversity of nitrogen-fixing bacteria in the upper reaches of the Heihe River, northwestern China [PDF]

Biogeosciences, 2013
Vegetation plays a key role in water conservation in the southern Qilian Mountains (northwestern China), located in the upper reaches of the Heihe River. Nitrogen-fixing bacteria are crucial for the protection of the nitrogen supply for vegetation in the
X. S. Tai, W. L. Mao, G. X. Liu, T. Chen, W. Zhang, X. K. Wu, H. Z. Long, B. G. Zhang, Y. Zhang   +8 more
doaj   +1 more source

<i>NifH</i> gene amplicon sequencing and metagenomic approaches are complementary in assessing diazotroph diversity. [PDF]

ISME Commun
Abstract Exploring the diversity of diazotrophs is key to understanding their role in supplying fixed nitrogen that supports marine productivity. A nested PCR assay using the universal primer set nifH1-nifH4, which targets the nitrogenase (nifH) gene, is a widely used approach for studying marine diazotrophs by amplicon sequencing ...
Cheung S, Morando M, Magasin J, Cornejo-Castillo FM, Zehr JP, Turk-Kubo KA.   +5 more
europepmc   +4 more sources

Nucleotide sequence of the R.meliloti nitrogenase reductase (nifH) gene

Nucleic Acids Research, 1981
The nucleotide sequence of the structural gene (nifH) of nitrogenase reductase (Fe protein) from R.meliloti 41 with its flanking ends is reported. The amino acid sequence of nitrogenase reductase was deduced from the DNA sequence. The predicted R.meliloti nitrogenase reductase protein consists of 297 amino acid residues, has a molecular weight of 32 ...
I, Török, A, Kondorosi
openaire   +3 more sources

Nitrogen Fixation Aligns with nifH Abundance and Expression in Two Coral Trophic Functional Groups

Frontiers in Microbiology, 2017
Microbial nitrogen fixation (diazotrophy) is a functional trait widely associated with tropical reef-building (scleractinian) corals. While the integral role of nitrogen fixation in coral nutrient dynamics is recognized, its ecological significance ...
Claudia Pogoreutz, Claudia Pogoreutz, Claudia Pogoreutz, Nils Rädecker, Nils Rädecker, Anny Cárdenas, Anny Cárdenas, Astrid Gärdes, Christian Wild, Christian R. Voolstra   +9 more
doaj   +1 more source

Relative Diazotroph Abundance in Symbiotic Red Sea Corals Decreases With Water Depth

Frontiers in Marine Science, 2019
Microbial dinitrogen (N2) fixation (diazotrophy) is a trait critical for coral holobiont functioning. The contribution of N2 fixation to holobiont nitrogen (N) supply likely depends on the ecological niche of the coral holobiont.
Arjen Tilstra, Claudia Pogoreutz, Nils Rädecker, Maren Ziegler, Maren Ziegler, Christian Wild, Christian R. Voolstra, Christian R. Voolstra   +7 more
doaj   +1 more source

Metagenomic of Actinomycetes Based on 16S rRNA and nifH Genes in Soil and Roots of Four Indonesian Rice Cultivars Using PCR-DGGE

Hayati Journal of Biosciences, 2015
The research was conducted to study the metagenomic of actinomycetes based on 16S ribosomal RNA (rRNA) and bacterial nifH genes in soil and roots of four rice cultivars.
Mahyarudin, Iman Rusmana, Yulin Lestari
doaj   +1 more source

Environmental forcing of nitrogen fixation in the eastern tropical and sub-tropical North Atlantic Ocean. [PDF]

PLoS ONE, 2011
During the winter of 2006 we measured nifH gene abundances, dinitrogen (N(2)) fixation rates and carbon fixation rates in the eastern tropical and sub-tropical North Atlantic Ocean.
Micha J A Rijkenberg, Rebecca J Langlois, Matthew M Mills, Matthew D Patey, Polly G Hill, Maria C Nielsdóttir, Tanya J Compton, Julie Laroche, Eric P Achterberg   +8 more
doaj   +1 more source

Elevated Atmospheric CO2 and Nitrogen Fertilization Affect the Abundance and Community Structure of Rice Root-Associated Nitrogen-Fixing Bacteria

Frontiers in Microbiology, 2021
Elevated atmospheric CO2 (eCO2) results in plant growth and N limitation, yet how root-associated nitrogen-fixing bacterial communities respond to increasing atmospheric CO2 and nitrogen fertilization (eN) during the growth stages of rice is unclear ...
Jumei Liu, Jumei Liu, Jumei Liu, Jingjing Han, Chunwu Zhu, Weiwei Cao, Weiwei Cao, Ying Luo, Meng Zhang, Shaohua Zhang, Zhongjun Jia, Ruihong Yu, Ruihong Yu, Ji Zhao, Ji Zhao, Zhihua Bao, Zhihua Bao   +16 more
doaj   +1 more source