The Multiple Faces of the Medicago-Sinorhizobium Symbiosis | SpringerLink
... the nodule, in which bacteria infect the host cells... ... This interaction leads to the formation of a new root organ, ... Popp C, Ott T (2011) Regulation of signal transduction and bacterial infection during root nodule symbiosis. Curr Opin Plant ... is involved in the development of roots and symbiotic root nodules in Medicago truncatula. Plant Cell Environ 37:658-669PubMed ... NODULE ROOT and COCHLEATA maintain nodule development and are legume orthologs of Arabidopsis BLADE-ON-PETIOLE genes. Plant ...https://link.springer.com/protocol/10.1007%2F978-1-4939-8633-0_16
Absence of Cospeciation between the Uncultured Frankia Microsymbionts and the Disjunct Actinorhizal Coriaria Species
The method of DNA isolation from root nodules used in this study yielded PCR-amplifiable DNA for both bacterial and plant PCR ... Coriaria is an actinorhizal plant that forms root nodules in symbiosis with nitrogen-fixing actinobacteria of the genus Frankia ... M. L. Clawson, A. Bourret, and D. R. Benson, "Assessing the phylogeny of Frankia-actinorhizal plant nitrogen-fixing root nodule ... uncultured Frankia in root nodules of several host plants have so far shown a low level of diversity regardless of the typing ...https://www.hindawi.com/journals/bmri/2014/924235/
Sharon R. Long | Stanford Medicine Profiles
... creating a root nodule and allowing bacterial entry and differentiation. Our studies of plant genes reveal novel ... Rhizobium and allied bacteria form symbiotic nitrogen-fixing nodules on legume roots. Plant hormones play key roles in nodule ... elicits the formation of plant root nodules where it converts dinitrogen to ammonia for use by the plant in exchange for plant ... which elicits the formation of nodules on plant roots, and succinoglycan, an exopolysaccharide that allows for bacterial ...https://med.stanford.edu/profiles/sharon-long
Isolation and Characterization of Nodule-Associated Exiguobacterium sp. from the Root Nodules of Fenugreek (Trigonella foenum...
One of the ways to increase the competitive survivability of rhizobial biofertilizers and thus achieve better plant growth ... under such conditions is by modifying the rhizospheric environment or community by addition of nonrhizobial nodule-associated b ... plant growth inhibiting, and plant growth neutral ; however a major proportion of bacterial endophytes have plant growth ... root length, root to shoot ratio, chlorophyll content, and nodule number per plant and average nodule weight per plant were ...http://www.biomedsearch.com/nih/Isolation-Characterization-Nodule-Associated-Exiguobacterium/22518149.html
IRLC (Inverted Repeat-lacking clade)
... root nodule development, legume development, genetics and genomics, and bacterial-plant coevolution. ... You can click on the root to travel down the Tree of Life all the way to the root of all Life, and you can click on the names ... Use of chloroplast DNA rearrangements in reconstructing plant phylogeny. Pages 14-35 in Molecular Systematics of Plants (P. S. ... The root of the current tree connects the organisms featured in this tree to their containing group and the rest of the Tree of ...http://tolweb.org/IRLC_
Frontiers | Transition Metal Transport in Plants and Associated Endosymbionts: Arbuscular Mycorrhizal Fungi and Rhizobia |...
Other, instead of providing metals can act as metal sinks, such as endosymbiotic rhizobia in legume nodules that requires ... In this review, we propose to do an overview of metal transport mechanisms in the plant-microbe system, emphasizing the role of ... In this review, we propose to do an overview of metal transport mechanisms in the plant-microbe system, emphasizing the role of ... However, plants often grow in soils with limiting metallic oligonutrient bioavailability. Consequently, to ensure the proper ...https://www.frontiersin.org/articles/10.3389/fpls.2016.01088/full
Characterization of Plant Growth Promoting Rhizobia from Root Nodule of Two Legume Species Cultivated in Assam, India |...
32 bacterial isolates were obtained from the root nodules of Cajanus cajan L and ... ... In order to characterize the diversity of plant growth promoting rhizobia associated with legumes cultivated in Assam, ... Characterization of Plant Growth Promoting Rhizobia from Root Nodule of Two Legume Species Cultivated in Assam, India. ... 32 bacterial isolates were obtained from the root nodules of Cajanus cajan L and Lablab purpureus L. The isolates were ...https://rd.springer.com/article/10.1007%2Fs40011-016-0836-6
Biochemical and Molecular Phylogenetic Study of Agriculturally Useful Association of a Nitrogen-Fixing Cyanobacterium and...
Table 2: Number and mass of root nodules on alfalfa plants inoculated by mono- and binary suspensions of microorganisms. ... differences in NFA of nodules of alfalfa plants inoculated by mono- or binary bacterial complexes were not significant (Figure ... the level of activity of root nodules by acetylene method and expressed as micromoles of ethylene formed by nodules per plant ... in the budding stage and in the early flowering stage a nitrogen fixation in root nodules of plants infected with a mixture of ...https://www.hindawi.com/journals/bmri/2015/202597/
Frontiers | Characterization of culturable bacterial endophytes and their capacity to promote plant growth from plants grown...
Using the Shannon diversity index, we observed a gradation of diversity in tissues, with shoots and roots having a similar ... Of the bacterial isolates tested, 61% were found to promote tomato plant growth and 50%-64% were shown to enhance biomass ... The impact that these endophytes could have on plant growth and yield was evaluated by reintroducing them into tomato plants in ... Using the Shannon diversity index, we observed a gradation of diversity in tissues, with shoots and roots having a similar ...https://www.frontiersin.org/articles/10.3389/fpls.2015.00490/full
Diazotroph - Wikipedia
Oxygen is bound to leghemoglobin in the root nodules that house the bacterial symbionts, and supplied at a rate that will not ... Frankia is able to colonize the cortical tissue of nodules where it fixes nitrogen. Actinorhizal plants and Frankias also ... The bacteria also infect the roots leading to the formation of nodules. Actinorhizal nodules consist of several lobes, each ... Vessey JK, Pawlowski, K and Bergman B (2005). "Root-based N2-fixing symbioses: Legumes, actinorhizal plants, Parasponia sp and ...https://en.m.wikipedia.org/wiki/Diazotroph
Computation and genomics data drive bacterial research into new ... ( A potent combination of powerful new...)
... bacterial,research,into,new,golden,age,biological,biology news articles,biology news today,latest biology news,current biology ... made by the plant which target the bacteria in the nodule. The ESF conference also highlighted the benefits of cross ... showed that the process by which the Rhizobium bacteria in legume root nodules adapt to their nitrogen fixing role is induced, ... Some plants rely on bacteria to fix the nitrogen they need for the manufacture of critical compounds, primarily proteins, from ...http://www.bio-medicine.org/biology-news-1/Computation-and-genomics-data-drive-bacterial-research-into-new-golden-age-6219-1/
Genome-Wide Medicago truncatula Small RNA Analysis Revealed Novel MicroRNAs and Isoforms Differentially Regulated in Roots and...
... we discovered miRNAs spatially enriched in nodule meristematic tissues, vascular bundles, and bacterial infection zones using ... Your Name) has sent you a message from Plant Cell Message Body (Your Name) thought you would like to see the Plant Cell web ... In root nodules, which show diverse cell types ranging from a persistent meristem to a fully differentiated central region, ... We used deep sequencing of small RNAs from root apexes and nodules of M. truncatula to identify 100 novel candidate miRNAs ...http://www.plantcell.org/content/21/9/2780.short
Diazotroph - Wikipedia
Oxygen is bound to leghemoglobin in the root nodules that house the bacterial symbionts, and supplied at a rate that will not ... These do not form nodules (indeed most of the plants do not have roots). Heterocysts exclude the oxygen, as discussed above. ... The bacteria also infect the roots leading to the formation of nodules. Actinorhizal nodules consist of several lobes, each ... Frankia is able to colonize the cortical tissue of nodules where it fixes nitrogen. Actinorhizal plants and Frankias also ...https://en.wikipedia.org/wiki/Diazotroph
The Role of Nitrogen Fertiliser in Agriculture - Farzana Panhwar
Rhizobum forms colonies or nodules on the roots of leguminous plants. The plant provides the organisms with energy in the form ... The N-fixing bacterial are photosynthetic one are heterotropic Azobacter and fix about 90kg/ha/annum.Rhizobium species live in ... Plant obtain their N either by uptake as nitrates and ammonium or by reduction of atmospheric disnitrogen in root nodules of ... Some legumes plants roots contain nodules, which contain nitrogen-fixing organisms.. *In legumes N application depresses yields ...http://eco-web.com/edi/041125.html
Most recent papers with the keyword Plants | Read by QxMD
... infection and development of functionally efficient nitrogen-fixing root nodules. Rhizobial Nod Factors (NF) have key roles in ... The infection of legume plants by rhizobia is tightly regulated to ensure accurate bacterial penetration, ... Results showed that plant-based dietary pattern may lower the risk of GDM and dietary pattern characterized with high animal ... The different plant parts have been explored in terms of total phenolics, total flavonoids, DPPH radical scavenging acitivity ...https://www.readbyqxmd.com/keyword/21933
A Positive Regulator of Nodule Organogenesis, NODULE INCEPTION, Acts as a Negative Regulator of Rhizobial Infection in Lotus...
2011) Regulation of signal transduction and bacterial infection during root nodule symbiosis. Curr Opin Plant Biol 14: 458-467 ... 2003) The Sym35 gene required for root nodule development in pea is an ortholog of Nin from Lotus japonicus. Plant Physiol 131 ... 1999) A plant regulator controlling development of symbiotic root nodules. Nature 402: 191-195. ... 2006) Long-distance signaling to control root nodule number. Curr Opin Plant Biol 9: 496-502. ...http://www.plantphysiol.org/content/165/2/747
Gustavo Caetano-Anolles - Wikipedia
... exploring the role of bacterial attachment and chemotaxis and plant systemic signals that control nodule number. While in ... career at Ohio State University and the University of Tennessee he studied the symbiosis between nitrogen-fixing root nodule- ... Caetano-Anollés G (2002) Evolved RNA secondary structure and the rooting of the universal tree" Journal of Molecular Evolution ... Caetano-Anollés G, Gresshoff PM (1991) Plant genetic control of nodulation. Annual Review in Microbiology 45:345-382. Wang M, ...https://en.wikipedia.org/wiki/Gustavo_Caetano-Anolles
Write an essay on the economic importance of bacteria
Some are beneficial to man directly or indirectly, others are very harmful as they cause various plant and animal diseases. ... Rhizobium lives as symbiont in the roots of leguminous plants and forms nodules. These bacteria absorb free nitrogen from the ... bacterial cell. The leguminous plants thus enrich the fertility of the soil. They are grown for green manuring and rotation of ... ii) Plant Pathogenic Bacteria:. Many parasitic bacteria cause serious diseases in cultivated plants, which cause great harm to ...http://www.preservearticles.com/201102174056/write-an-essay-on-the-economic-importance-of-bacteria.html
Medicago truncatula Natural Resistance-Associated Macrophage Protein1 Is Required for Iron Uptake by Rhizobia-Infected Nodule...
2014) An integrated analysis of plant and bacterial gene expression in symbiotic root nodules using laser-capture ... C, Fresh weight of shoots and roots. Data are the mean ± se (n = 6-8 plants). D, Nodule number per plant; 100% = 5.67 nodules/ ... D, Fresh weight of shoots and roots. Data are the mean ± se (n = 4 plants). E, Nodule number per plant; 100% = 4.25 nodules/ ... 8B). These plants also had active pink nodules instead of the small white nodules shown by nramp1-1 plants (Fig. 8C), as well ...http://www.plantphysiol.org/content/168/1/258.long
The Medicago truncatula CRE1 Cytokinin Receptor Regulates Lateral Root Development and Early Symbiotic Interaction with...
... including bacterial Nod factors, rhizobia provoke several early responses on plant roots, including root hair curling, ... either in roots hairs or in root epidermis compared with GUS RNAi roots (Figures 4A to 4C ). In nodule-deficient roots, no ... Two types of root lateral organs can develop on legume roots: lateral roots and nitrogen-fixing nodules. In the case of ... of the Mt CRE1 RNAi roots did not develop any nodule, whereas 100% of GUS RNAi, Mt HK2, or Mt HK3 RNAi roots contained nodules. ...http://www.plantcell.org/content/18/10/2680.long
Kinetic Modeling of Biological Systems
Plant ecology too involves location specific activities. Most plants allow their root nodule cells to be infected by microbes ... McAdams HH, Shapiro L. A bacterial cell-cycle regulatory network operating in time and space. Science. 2003;301:1874-1877. [ ... 3) and (4) grow in proportion to the system size, while the fluctuating terms grow in proportion to the square root of the ... At the same time, plants use their leaves for the necessary carbon production, some of which is also transferred to the ...http://pubmedcentralcanada.ca/pmcc/articles/PMC2877599/
Search Results - - 57 Results - Digital Library
Rhizobia infect and enter plant root organs, known as nodules, where they reside inside the plant cell in a novel organelle, ... Inside the nodules hypoxic environment, the bacterial enzyme nitrogenase reduces atmospheric nitrogen to ammonia. Medicago ... This process occurs within nodules, which are structures produced on the roots of the plants within which nitrogen is fixed. M ... M. truncatula plants with mutations in MtNPF1.7 gene show defects during plants growth, with striking abnormalities in nodule ...https://digital.library.unt.edu/search/?q3=%22Dickstein%2C%20Rebecca%22&t3=untl_agent&src=ark&searchType=advanced
Search Results - - 35 Results - Digital Library
This process occurs within nodules, which are structures produced on the roots of the plants within which nitrogen is fixed. M ... Inside the nodules hypoxic environment, the bacterial enzyme nitrogenase reduces atmospheric nitrogen to ammonia. Medicago ... Description: The study of root nodule symbiosis between nitrogen-fixing bacteria and leguminous plant species is important ... nip, a Symbiotic Medicago truncatula Mutant that Forms Root Nodules with Aberrant Infection Threads and Plant Defense-Like ...https://digital.library.unt.edu/search/?q5=%22Medicago%20truncatula%22&t5=dc_subject&searchType=advanced
Search Results - - 76 Results - Digital Library
Inside the nodules hypoxic environment, the bacterial enzyme nitrogenase reduces atmospheric nitrogen to ammonia. Medicago ... indicated that osmotin mRNAs are expressed constitutively in root tissues of cotton plants, and that they are rapidly induced ... The green spots became nodular, forming root primordia and ultimately giving rise to roots. None of the six calli types gave ... In an attempt to discover if ascorbate addition to deficient plants causes increased ion uptake, radish plants were grown ...https://digital.library.unt.edu/explore/collections/UNTETD/browse/?fq=untl_institution%3AUNT&sort=added_a&fq=str_degree_discipline%3AMolecular+Biology
Martinus Beijerinck - Wikipedia
Bacteria perform nitrogen fixation, dwelling inside root nodules of certain plants (legumes). In addition to having discovered ... He named the new pathogen virus to indicate its non-bacterial nature. Beijerinck asserted that the virus was somewhat liquid in ... Beijerinck discovered the phenomenon of bacterial sulfate reduction, a form of anaerobic respiration. He learned bacteria could ... Discoveries in Plant Biology. Hong Kong: World Publishing Co. pp. 105-110. ISBN 978-981-02-1313-8. Lerner, K. L.; Lerner, B. W ...https://en.wikipedia.org/wiki/Martinus_Beijerinck