Journal ArticleDOI
Nitrogen-fixing bacteria associated with leguminous and non-leguminous plants
TLDR
A wide diversity of nitrogen-fixing bacterial species belonging to most phyla of the Bacteria domain have the capacity to colonize the rhizosphere and to interact with plants.Abstract:
Nitrogen is generally considered one of the major limiting nutrients in plant growth. The biological process responsible for reduction of molecular nitrogen into ammonia is referred to as nitrogen fixation. A wide diversity of nitrogen-fixing bacterial species belonging to most phyla of the Bacteria domain have the capacity to colonize the rhizosphere and to interact with plants. Leguminous and actinorhizal plants can obtain their nitrogen by association with rhizobia or Frankia via differentiation on their respective host plants of a specialized organ, the root nodule. Other symbiotic associations involve heterocystous cyanobacteria, while increasing numbers of nitrogen-fixing species have been identified as colonizing the root surface and, in some cases, the root interior of a variety of cereal crops and pasture grasses. Basic and advanced aspects of these associations are covered in this review.read more
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OtherDOI
Core Microbiome
TL;DR: A fine-tuned reduction process that converts N 2 to NH 3 was described in this paper , where different signaling pathways can be established for legume-root nodulation, such as secondary signals like phytohormones will trigger secondary metabolites in roots.
Journal ArticleDOI
The root enrichment of bacteria is consistent across different stress-resistant plant species
TL;DR: The root selection consistently reduced the alpha diversity (represented by observed species, shannon diversity, and phylogenetic diversity) and altered the structure and composition of bacteria communities.
Journal ArticleDOI
Phylogenetic characteristic of nodul bacteria endemic for southern ural species of the genus oxytropis (fabaceae)
Andrei K. Baymiev,Баймиев Андрей Ханифович,A. A. Vladimirova,Владимирова Анастасия Андреевна,E. S. Akimova,Акимова Екатерина Сергеевна,R. S. Gumenko,Гуменко Роман Сергеевич,A. A. Muldashev,Мулдашев Альберт Акрамович,Alexei V. Chemeris,Чемерис Алексей Викторович,Alexei Kh. Baymiev,Баймиев Алексей Ханифович +13 more
TL;DR: Acquisition of the property to enter into symbiosis with nodule bacteria of plants of the genus Lupinaster may turn out to be an adaptive mechanism that arose as a result of segregation of O. baschkiriensis from other species of Oxytropis.
Book ChapterDOI
Sequential Soil Vapor Extraction and Bioremediation Processes Applied to BTEX-Contaminated Soils
António Alves Soares,José Tomás Albergaria,Valentina F. Domingues,Paolo De Marco,Cristina Delerue-Matos +4 more
TL;DR: Soil vapor extraction and bioremediation are commonly applied in these cases, SVE due to its high efficiency and capability to remove high quantities of contaminant in a short time and BR because of its simplicity and low-cost procedure as mentioned in this paper.
References
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Journal ArticleDOI
Generic assignments, strain histories, and properties of pure cultures of cyanobacteria
TL;DR: Revisions are designed to permit the generic identification of cultures, often difficult through use of the field-based system of phycological classification, and are both constant and readily determinable in cultured material.
Journal ArticleDOI
Biological Nitrogen Fixation
Robert H. Burris,Gary P. Roberts +1 more
TL;DR: Highlights in biological nitrogen fixation during the last fifty years are highlighted.
Journal ArticleDOI
Applications of the acetylene-ethylene assay for measurement of nitrogen fixation
TL;DR: The biochemical basis of the assay is described along with relevant characteristics including Km, C2H2/N2 conversion factor, and specific N2[C2H 2]-fixing activities obtained with various systems, and methods of measurement of N2 fixation are compared.
Journal ArticleDOI
Coordinating nodule morphogenesis with rhizobial infection in legumes.
TL;DR: This review focuses on the tissue-specific nature of the developmental processes associated with nodulation and the mechanisms by which these processes are coordinated during the formation of a nodule.
Journal ArticleDOI
Genetic regulation of biological nitrogen fixation
Ray Dixon,Daniel Kahn +1 more
TL;DR: The ability of microorganisms to use nitrogen gas as the sole nitrogen source and engage in symbioses with host plants confers many ecological advantages, but also incurs physiological penalties because the process is oxygen sensitive and energy dependent.