نتایج جستجو برای: nodulation
تعداد نتایج: 3105 فیلتر نتایج به سال:
Abstract: Soybean develop new root organs that become nitrogen-fixing nodules in response to signals from rhizobacteria and then use complex systemic signalling to control cell proliferation. Recent application of functional genomics resulted in the characterization of genes encoding Leucine rich repeat (LRR) receptor kinases controlling these early nodulation steps. With short and long distanc...
A putative Ca2+ and calmodulin-dependent protein kinase required for bacterial and fungal symbioses.
Legumes can enter into symbiotic relationships with both nitrogen-fixing bacteria (rhizobia) and mycorrhizal fungi. Nodulation by rhizobia results from a signal transduction pathway induced in legume roots by rhizobial Nod factors. DMI3, a Medicago truncatula gene that acts immediately downstream of calcium spiking in this signaling pathway and is required for both nodulation and mycorrhizal in...
Rhizobium leguminosarum bv. viciae Exo- mutant strains RBL5523,exo7::Tn5,RBL5523,exo8::Tn5 and RBL5523,exo52::Tn5 are affected in nodulation and in the syntheses of lipopolysaccharide, capsular polysaccharide, and exocellular polysaccharide. These mutants were complemented for nodulation and for the syntheses of these polysaccharides by plasmid pMP2603. The gene in which these mutants are defec...
In order to study the effect of air and root-zone temperature on yield, yield components, nodulation and nitrogen fixation of three annual medics, an experiment was conducted in controlled environment (growth chamber) at the Faculty of Agriculture, Tarbiat Modares University in 2006. The experiment was performed as a spilt split plot with the layout of completely randomized design with three re...
None of the known native actinorhizal species in Turkey, Alnus glutinosa and A. orientalis (Betulaceae), Datisca cannabina (Datiscaceae), Elaeagnus angustifolia Hippophae rhamnoides (Elaeagnaceae), widely-planted exotic Casuarina cunninghamiana (Casuarinaceae), have confirmed records actinorhizae Turkey. This study determined capacity representative plants Turkey to form nodules, cluster roots ...
Isolation and Nodulation Rhizobium sp. from Pueraria javanica (Benth.) Benth. Study of Its Survival on Peat Soil Compost Oil Palm Empty Fruit Bunch was done March to July 2008, in the Laboratory Plant Biotechnology Indonesian Research Institute (IOPRI) Marihat Station Pematang Siantar, Microbiology, Department Biology, FMIPA USU. The sampel nodules were taken roots growing oil palm plantation a...
Micro-RNAs are recognized as important posttranscriptional regulators in plants. The relevance of micro-RNAs as regulators of the legume-rhizobia nitrogen-fixing symbiosis is emerging. The objective of this work was to functionally characterize the role of micro-RNA172 (miR172) and its conserved target APETALA2 (AP2) transcription factor in the common bean (Phaseolus vulgaris)-Rhizobium etli sy...
Cytokinins are essential for legume plants to establish a nitrogen-fixing symbiosis with rhizobia. Recently, the expression level of cytokinin biosynthesis IPTs (ISOPENTENYLTRANSFERASES) genes was shown to be increased in response to rhizobial inoculation in Lotus japonicus, Medicago truncatula and Pisum sativum. In addition to its well-established positive role in nodule primordium initiation ...
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