Готові списки джерел за темами / Leguminosarum

Добірка наукової літератури з теми "Leguminosarum"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 29 січня 2023

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Статті в журналах з теми "Leguminosarum"

1

Laguerre, Gisèle, Marc Bardin, and Noëlle Amarger. "Isolation from soil of symbiotic and nonsymbiotic Rhizobium leguminosarum by DNA hybridization." Canadian Journal of Microbiology 39, no. 12 (December 1, 1993): 1142–49. http://dx.doi.org/10.1139/m93-172.

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A procedure based upon DNA hybridization was developed for the specific detection of Rhizobium leguminosarum and its different biovars among bacteria isolated from soil. DNA colony hybridization and restriction fragment length polymorphism analysis with a R. leguminosarum chromosomal probe were found to be species specific for R. leguminosarum and Rhizobium etli. By using R. leguminosarum nod gene probes, biovar specificity was obtained. Of 302 soil isolates screened for their inability to grow on Luria-Bertani agar medium, 13 strains could be assigned to the R. leguminosarum species on the basis of DNA homology to the chromosomal probe and antibiotic resistance tests. Of these strains, three and two were assigned by colony hybridization and subsequent plant host specificity tests, respectively, to R. leguminosarum biovars viciae and trifolii. The eight other R. leguminosarum soil isolates lacked symbiotic information but were able to gain nodulation capacity with the acquisition of a conjugative symbiotic plasmid. They were thus considered as nonsymbiotic R. leguminosarum.Key words: Rhizobium leguminosarum, DNA hybridization, soil, symbiotic genes.
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2

KUCEY, R. M. N. "RESPONSES OF FIELD BEAN (Phaseolus vulgaris L.) TO LEVELS OF Rhizobium leguminosarum bv. phaseoli INOCULATION IN SOILS CONTAINING EFFECTIVE R. leguminosarum bv. phaseoli POPULATIONS." Canadian Journal of Plant Science 69, no. 2 (April 1, 1989): 419–26. http://dx.doi.org/10.4141/cjps89-053.

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Greenhouse studies were conducted to determine the effect of adding Rhizobium leguminosarum bv. phaseoli inocula to field beans (Phaseolus vulgaris L.) growing in soils already containing R. leguminosarum bv. phaseoli. Indigenous R. leguminosarum bv. phaseoli populations in the 12 soils used ranged from 1.1 × 101 to 4 × 105 rhizobia g−1 of soil. Antibiotic-resistant isolates of R. leguminosarum bv. phaseoli strain 3644 were used as inocula and inoculum levels ranged from 104 to 108 bacteria per seed. N-15 isotope dilution methods with barley as a nonfixing control plant were used to determine N2 fixation levels. Bean plants grown in soils containing greater than 8 × 10 R. leguminosarum bv. phaseoli did not show positive responses to added rhizobia, except in one soil where the inoculum formed a significant proportion of nodules on inoculated plants. Plants growing in soils with less than 8 × 103R. leguminosarum bv. phaseoli did show increased levels of plant N accumulation and dry matter production in response to rhizobium addition if the level of soil mineral N was less than 25 μg N g−1 soil. Nodule occupancy by the marked R. leguminosarum bv. phaseoli isolate increased only in soils containing 8 × 103R. leguminosarum bv. phaseoli or less. The resident population of rhizobia in many of the soils was determined to be effective in N2 fixation since the proportion of N derived from N2 fixation did not increase in response to inoculation. Increasing the number of R. leguminosarum bv. phaseoli added per seed from 104 to 108 did not generally increase the effectiveness of the added inocula. Responses of beans to R. leguminosarum bv. phaseoli inoculation can only be expected in soils with low levels of resident R. leguminosarum bv. phaseoli and mineral N.Key words: Field bean, nodule occupancy, N-15 dilution, competition, N2 fixation
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3

Enibukun, Jesupemi Mercy, and Bolatito Esther Boboye. "Molecular characterization and evaluation of crude oil remediation potential of some rhizobia isolated from plant root nodules." Nova Biotechnologica et chimica 19, no. 1 (June 30, 2020): 80–88. http://dx.doi.org/10.36547/nbc.v19i1.580.

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This study aimed to determine the molecular identities and genetic relatedness of rhizobia isolated from pigeon pea and pinto beans, and assess their remediation potential in the presence of 1 %, 3 % and 5 % (w/v) crude oil in minimal medium for 7 days incubation period. Standard microbiological and molecular methods which include amplification and purification of 16S rRNA, agarose gel electrophoresis, and sequencing. Results showed molecular identities of six rhizobia from pigeon peas as Bradyrhizobium diazoefficiens USDA122, Rhizobium leguminosarum WSM2304, Bradyrhizobium japonicum N61, Rhizobium leguminosarum N741, Rhizobium leguminosarum BIHIB1217, and Bradyrhizobium japonicum E109; and three rhizobia obtained from pinto beans were Rhizobium leguminosarum N871, Bradyrhizobium diazoefficiens USDA110 and Bradyrhizobium japonicum SEMIA5079. All tested rhizobia (9) showed petroleum degradation ability, as they all grew in the 1, 3 and 5 % (w/v) crude oil minimal medium under laboratory conditions. B. diazoefficiens USDA122 showed the highest optical density (OD) value of 1.184 ± 0.05 on 7th day at 1 % (w/v) crude oil contamination, while R. leguminosarum N741 has the lowest OD value of 0.372 ± 0.02 at 5 % (w/v) crude oil on 7th day. For all the rhizobia, increase occurred throughout incubation period at 1, 3 and 5 % (w/v) except Rhizobium leguminosarum N741 and R. leguminosarum BIHIB1217. In conclusion, the association of R. leguminosarum BIHIB1217 and R. leguminosarum N871 from pigeon pea and pinto beans respectively, were found most effective in crude oil degradation and thus they are recommended as a promising association for remediation of crude oil spilled soils.
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4

Soberón-Chávez, Gloria, and Rebeca Nájera. "Isolation from soil of Rhizobium leguminosarum lacking symbiotic information." Canadian Journal of Microbiology 35, no. 4 (April 1, 1989): 464–68. http://dx.doi.org/10.1139/m89-071.

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Bacteria resembling Rhizobium leguminosarum, but lacking symbiotic information, were isolated from soil of two different geographical origins. One of these bacteria belongs to a previously described Rhizobium leguminosarum bv. phaseoli somatic serogroup, is fully complemented for nodulation and nitrogen fixation by an R. leguminosarum bv. phaseoli symbiotic plasmid, and is able to compete for bean nodulation with indigenous R. leguminosarum bv. phaseoli strains. This is the first report giving evidence for persistence in soil of Rhizobium lacking symbiotic information.Key words: Rhizobium ecology, symbiotic plasmid, nodulation, plasmid transfer.
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5

Díaz-Mireles, E., M. Wexler, G. Sawers, D. Bellini, J. D. Todd, and A. W. B. Johnston. "The Fur-like protein Mur of Rhizobium leguminosarum is a Mn2+-responsive transcriptional regulator." Microbiology 150, no. 5 (May 1, 2004): 1447–56. http://dx.doi.org/10.1099/mic.0.26961-0.

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In wild-type Rhizobium leguminosarum, the sitABCD operon specifies a Mn2+ transporter whose expression is severely reduced in cells grown in the presence of this metal. Mutations in the R. leguminosarum gene, mur (manganese uptake regulator), whose product resembles the Fur transcriptional regulator, cause high-level expression of sitABCD in the presence of Mn2+. In gel-shift mobility assays, purified R. leguminosarum Mur protein bound to at least two regions near the sitABCD promoter region, although this DNA has no conventional consensus Fur-binding sequences (fur boxes). Thus, in contrast to γ-proteobacteria, where Fur binds Fe2+, the R. leguminosarum Fur homologue, Mur, act as a Mn2-responsive transcriptional regulator.
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6

Shahzad, Farood, Muhammad Kamran Taj, Ferhat Abbas, Muhammad Shafee, Safed Ahmed Essote, Imran Taj, and Abdul Manan Achakzai. "Microbiological studies on Rhizobium leguminosarum isolated from pea (Pisum sativum L.)." Bangladesh Journal of Botany 48, no. 4 (December 31, 2019): 1223–29. http://dx.doi.org/10.3329/bjb.v48i4.49079.

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Rhizobia are the true bacteria that establish symbiotic relationship leading to the development of new root nodules. This study has been designed to evaluate the microbiological aspects of Rhizobium leguminosarum in target area. A total of 1000 (200 from each site) roots were collected from five different agriculture fields (Quetta, Pishin, Killa Abdulla, Kuchlak and Hanna Urak) and screened through different standard microbiological procedures. Results revealed that 665/1000 (66.5%) roots samples were positive for Rhizobium leguminosarum. The highest percentage was from Pishin 180/200 (18%) and Killa Abdullah 160/200 (16%). A remarkable growth of Rhizobium leguminosarum was noted at 28 to 30°C whereas, less growth was recorded at 24, 34 and 42°C. Similarly, Rhizobium leguminosarum showed growth at pH 5 to 10, but superlative pH values for the growth of Rhizobium leguminosarum were from 6 to 8 pH. The PCR reconfirmed 1300 bp band of 16S rRNA gene of Rhizobium leguminosarum. The organism was further applied as biofertilizer and showed promising results in subjected plants. Medicinal plants application showed that Rhizobium leguminosarum was sensitive to different plants. However, the effects of insecticides showed that Cypermethrin exhibited least zone of inhibition 10 and 11 mm, while Chlorpyrifos showed least zone of inhibition 14 and 17 mm by using disc and well method with (1: 16) dilution. These findings ensure the devastation of microbiota in rhizosphere with rational use of these pesticides that may result in adverse effects over crop productions in the region.
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7

Vershinina, Z. R., Lavina, and O. V. Chubukova. "Exopolysaccharides of Rhizobium leguminosarum — an overview." Biomics 12, no. 1 (2020): 27–49. http://dx.doi.org/10.31301/2221-6197.bmcs.2020-3.

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8

Furtak, Karolina, Karolina Gawryjołek, Anna Gałązka, and Jarosław Grządziel. "The Response of Red Clover (Trifolium pratense L.) to Separate and Mixed Inoculations with Rhizobium leguminosarum and Azospirillum brasilense in Presence of Polycyclic Aromatic Hydrocarbons." International Journal of Environmental Research and Public Health 17, no. 16 (August 9, 2020): 5751. http://dx.doi.org/10.3390/ijerph17165751.

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This study aimed to evaluate the impact of co-inoculation Rhizobium sp. and Azospirillum sp. on plant (Trifolium pratense L.) growth in the presence of polycyclic aromatic hydrocarbon (PAH) contamination (anthracene, phenanthrene, and pyrene). Eight strains from the genus Rhizobium leguminosarum bv. trifolii were selected for biotest analysis. Two methods of inoculation were used in the chamber experiment: (1) R. leguminosarum alone and (2) a combined inoculant (R. leguminosarum and Azospirillum brasilense). For comparison, non-contaminated controls were also used. The results demonstrated that co-inoculation of plants with Rhizobium and Azospirillum resulted in more root and shoot biomass than in plants inoculated with R. leguminosarum alone. The results indicated that application of a co-inoculation of bacteria from Rhizobium and Azospirillum species had a positive effect on clover nodulation and growth under the condition of PAH contamination.
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9

He, Ya Hui, Gao Bao Huang, and Li Zhuo Guo. "The Use of 15N to Measure N2-Fixing Effectiveness of Rhizobium leguminosarum Strains." Advanced Materials Research 287-290 (July 2011): 2023–27. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.2023.

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Biomass, N derived from BNF, total N and Ndfa % of different part tissues of pea plants inoculated with various Rhizobium. leguminosarum strains were determined. Particularly identified were whole plant biomass correlated with N derived from BNF. The significant direct correlations between biomass and N derived from BNF indicated that N-fixation efficiency of strains are important factors influencing biomass accumulation of plants, but not the sole factors determine the promoted capacity of strain on plant biomass production. Different strains show various performances on accumulation of biomass in different parts of plant tissue, R. leguminosarum SY12 performed best on promotion of kernel production. In order to obtain aimed strain with particular property such as promotion of kernel production, the15N tracing technique can be used in R. Leguminosarum strains screening of R. Leguminosarum, but the analysis both separate part and whole plant tissue are necessary.
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10

Brozek, Kathryn A., Julie L. Kadrmas, and Christian R. H. Raetz. "Lipopolysaccharide Biosynthesis inRhizobium leguminosarum." Journal of Biological Chemistry 271, no. 50 (December 13, 1996): 32112–18. http://dx.doi.org/10.1074/jbc.271.50.32112.

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Дисертації з теми "Leguminosarum"

1

Finnie, Christine. "Protein secretion by Rhizobium leguminosarum." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361420.

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2

Heinrich, Keith. "Ecological and molecular studies on rhizobial rhizopines." Title page, contents and summary only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09phh469.pdf.

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Corrigendum attached to back cover. Includes bibliographical references (leaves 160-190). Investigates the role of rhizopines in rhizobial competition for nodulation, and to isolate the rhizopine synthesis genes in Rhizobium leguminosarum bv. viciae.
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3

Thorne, Stephen Howard. "Stationary phase survival of Rhizobium leguminosarum." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265401.

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4

Seaman, Jonathan. "Signature-tagged mutagenesis in Rhizobium leguminosarum." Thesis, University of Reading, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.499374.

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Rhizobia are a diverse group of symbiotic alpha-proteobacterial diazotrophs which enter a relationship with specific leguminous plants, in which the plant supplies the bacteria with required compounds whilst the bacteria reduce atmospheric nitrogen into ammonia that the plant uses as a nitrogen source. Modification of rhizobial strains has produced mutants more effective at fixing nitrogen, which in turn results in an increase in biomass of host plants under laboratory conditions but these strains are frequently out competed by wild-type strains in field studies or lost in the intervening years of a crop rotation. This study aimed to establish a library of mutants and a system for screening these strains en masse to identify some of the genes involved in competitive rhizosphere colonization in Rhizobium leguminosam.
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5

Simpkins, Sean A. "The DnaK molecular chaperone of Rhizobium leguminosarum." Thesis, University of East Anglia, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302035.

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6

Lusby, John. "Hemin Utilization in Rhizobium leguminosarum ATCC 14479." Digital Commons @ East Tennessee State University, 2021. https://dc.etsu.edu/etd/3897.

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Rhizobium leguminosarum is a Gram negative, motile, nitrogen-fixing soil bacterium. Due to the scarcity of iron in the soil bacteria have developed a wide range of iron scavenging systems. The two types of iron scavenging systems used are indirect and direct. In-silico analysis of the genome identified a unique direct iron scavenging system the Hmu operon. This system has been identified in other closely related rhizobium species and is believed to be involved in utilizing heme compounds as a sole source of iron. We have attempted to characterize the role of the Hmu operon in iron utilization by monitoring the growth of R. leguminosarum ATCC 14479 in hemin supplemented media. Growth curves show that it is capable of using hemin as a sole source of iron. The outer membrane profiles were analyzed for the presence of hemin binding proteins.
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7

McKay, Ian. "Carbon metabolism in Rhizobium leguminosarum MNF 3841." Thesis, McKay, Ian (1988) Carbon metabolism in Rhizobium leguminosarum MNF 3841. PhD thesis, Murdoch University, 1988. https://researchrepository.murdoch.edu.au/id/eprint/51790/.

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So much depends upon a red wheel barrow glazed with rain water beside the white chickens - William Carlos Williams 1923. Carbon catabolism of Rhizobium lequminosarum MNF3841 was studied in free-living cells grown in chemostat and in bacteroids. Enzymes of the Entner-Doudoroff (ED) pathway, the pentose phosphate (PP) pathway and the TCA cycle were present, though the absence of phosphofruetokinase prec1uded the operation of the complete Embden- Meyerhof-Parnas (EMP) pathway. The low activity of fructose-bisphosphate aldolase in sugar-grown cells indicated that recycling of glyceraldehyde 3-phosphate (produced by the ED pathway) to fructose 6-phosphate is unlikely. Further catabolism of glyceraldehyde 3-phosphate is probably achieved via the enzymes of the latter part of the EMP pathway which were shown to be present in this organism. In phosphate-limited chemostat culture the activities of invertase, glucose-6-phosphate de hydro- genase, the ED enzymes and 6-phosphogluconate dehydrogenase were two- to three-fold lower in cells grown on fumarate compared to the activities in cells grown on sucrose. Glucose-6-phosphate dehydrogenase also showed modulation of activity due to the nature of the growth limitation with oxygen-limited cells possessing only 50% of the activity of phosphate-limited cells when fumarate was the carbon source. None of the other sugar catabolic enzymes, nor any of those of the TCA cycle showed any modulation in response to the growth substrate or the nature of the growth limitation. Since modulation of some sugar catabolic enzymes was demonstrated in free-living cells in response to growth substrate, the preferences of free-living cells for C4-dicarboxylates, or sugars, were further investigated. In chemostat culture under phosphate-limitation MNF3841 co-utilised fumarate in combination with glucose, or sucrose, or glucose plus fructose. A slight preference for Ca-dicarboxylates was indicated, since the inhibition of sugar utilisation by fumarate was greater than the inhibition of fumarate utilisation by equivalent concentrations of glucose, or sucrose, or glucose plus fructose. Though the obvious importance of Ca-dicarboxylates as carbon sources for both free-living rhizobia and bacteroids is recognised, the ancillary enzymes required for their catabolism have not yet been identified. R. lequminosarum MNF3841 catabolised Ca-dicarboxylates and L-arabinose vi a the TCA cycle with the requirement for acetyl CoA being met by the action of malic enzyme and pyruvate dehydrogenase. Malic enzyme was present in sugar-grown free-living cells though higher levels were observed when fumarate or L-arabinose was the growth substrate. Manganese-dependent malic enzyme activity was evident with either NADP* or NAD* as the cofactor and the activity was stimulated by the presence of KC1. The activity of pyruvate dehydrogenase, which is also required for the catabolism of sugars via the TCA cycle, was higher in sucrose-grown cells than those grown on fumarate. In addition to the TCA cycle and the ancillary enzymes (malic enzyme and pyruvate dehydrogenase) the growth of rhizobia on C4-dicarboxylates (and other substrates which feed into the TCA cycle such as L-glutamate, L-aspartate, L-histidine and L-arabinose) also requires a system of gluconeogenesis. This is accomplished in MHF3841 vi a phosphoenolpyruvate carboxykinase (PEPCK), fruetose-bisphosphate aldolase and fructose-bisphosphatase in conjunction with enzymes of the EMP pathway. In addition R. lequminosarum MNF3085, a PEPCK-deficient mutant, failed to grow on succinate, pyruvate, L-arabinose or L-glutamate, yet grew as well as MNF3841 on glucose, sucrose and glycerol showing that PEPCK is essential for gluconeogenesis. PEPCK and fruetose-bisphosphate aldolase were rapidly derepressed following transfer of cells from a medium with sucrose as the carbon source to one with fumarate as the carbon source. In chemostat culture, the addition of 0.1 mM sucrose caused an 80% inhibition of PEPCK and fructose-bisphosphate aldolase synthesis and 0.4 mM sucrose caused complete inhibition of PEPCK synthesis. Although Ca-dicarboxylate transport was rapidly inducible in free-living cells, bacteroids of MNF3841 isolated from pea nodules could immediately transport 1 4 C-succinate. Furthermore, blocking pyruvate dehydrogenase with arsenite resulted in bacteroids immediately accumulating pyruvate and malate from fumarate indicating that bacteroids in the nodules are in receipt of C*- dicarboxylates. Bacteroids isolated on a Percoll gradient had activities of TCA cycle enzymes, pyruvate dehydrogenase and malic enzyme up to six-fold higher than those in free-living cells, whereas the activities of sugar catabolic enzymes in bacteroids were 2- to 14- fold lower than those in free-living cells grown on sucrose. These activities are a further indication that Ca-dicarboxylates (and not sugars) are the principal form of carbon catabolised by bacteroids. Additionally bacteroids of MNF3841 contained low levels of PEPCK and fruetose-bisphosphate aldolase. The bacteroid-associated PEPCK activity was clearly of bacterial and not plant origin because of its nucleotide requirement and the fact that bacteroids of MNF3085 (PEPCK deficient in the free-living form) contained no PEPCK activity. MNF3085 nodulated and fixed nitrogen as effectively as t he parent which demonstrates that the capacity to synthesise sugars via gluconeogenesis is not required for an effective symbiosis. Thus these data suggest that although bacteroids of MNF 3085 receive sufficient sugar to compensate for their gluconeogenic defect, there is insufficient sugar available to bacteroids of the wild type to completely repress the synthesis of PEPCK. A low amount of sugar available to the bacteroid suggested by these data would be in keeping with the very low activities of sugar catabolic enzymes in the bacteroid. These data in conjunction with the transport of C4-dicarboxylates by bacteroids immediately after their isolation and the elevated activities of the enzymes of C4-dicarboxylate catabolism in bacteroids indicate that C4-dicarboxylates are indeed the major carbon substrate used by them for N2 fixation.
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Delgutte, Dominique. "Introduction dans un sol agricole d'une souche de Rhizobium leguminosarum biovar viciae marquée génétiquement : étude de sa survie, de sa multiplication, de sa dissémination et du transfert de gènes à d'autres bactéries." Dijon, 1991. http://www.theses.fr/1991DIJOS027.

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9

Gray, Kathryn Margaret. "Regulation of oxidative stress responses of rhizobium leguminosarum." Thesis, Imperial College London, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408404.

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10

Luca, Nicola de. "The regulation of iron acquisition in Rhizobium leguminosarum." Thesis, University of East Anglia, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267474.

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Книги з теми "Leguminosarum"

1

Hawkins, Fiona K. L. Studies on the nifA gene of Rhizobium leguminosarum. Norwich: University ofEast Anglia, 1989.

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2

Rossen, Lone. Molecular analysis of the nodulation genes of "Rhizobium leguminosarum". Norwich: University of East Anglia, 1985.

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3

Marie, Corinne. "Roles of two Rhizobium leguminosarum glucosamine synthases in symbiosis". Norwich: University of East Anglia, 1992.

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4

Mavridou, Annoula. Genetic loci of Rhizobium leguminosarum affecting nod gene expression. Norwich: University of East Anglia, 1992.

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5

Burn, Joanne Elizabeth. Analysis of the regulatory nodulation gene nodD of Rhizobium leguminosarum. Norwich: Universityof East Anglia, 1989.

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6

Maguire, M. The regulation of the three chaperonin operons of Rhizobium leguminosarum. Birmingham: University of Birmingham, 2000.

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7

Shearman, Claire Amy. Structure, function and regulation of modulation genes of Rhizobium leguminosarum. Norwich: University ofEast Anglia, 1986.

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8

Mudd, E. A. Transcription and translation from a symbiotic plasmid of Rhizobium leguminosarum. Norwich: University of East Anglia, 1985.

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9

Sindhu, Satyavir Singh. Molecular analysis of lipopolysaccharide and membrane associated proteins in Rhizobium Leguminosarum. Norwich: University of East Anglia, 1990.

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10

Gould, Phillip Spencer. Regulation and role of the three chaperonin operons of Rhizobium leguminosarum. Birmingham: University of Birmingham, 2002.

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Частини книг з теми "Leguminosarum"

1

Twelker, Sunny, Ivan J. Oresnik, and Michael F. Hynes. "Bacteriocins of Rhizobium Leguminosarum." In Highlights of Nitrogen Fixation Research, 105–8. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4795-2_20.

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2

Downie, J. A., B. P. Surin, I. J. Evans, L. Rossen, J. L. Firmin, C. A. Shearman, and A. W. B. Johnston. "Nodulation Genes of Rhizobium Leguminosarum." In Molecular genetics of plant-microbe interactions, 225–28. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-4482-4_56.

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Colonna-Romano, S., R. Defez, M. Filser, M. Guida, M. Iaccarino, A. Lamberti, A. Riccio, et al. "Glutamine Synthetases of Rhizobium Leguminosarum." In Molecular genetics of plant-microbe interactions, 255–57. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-4482-4_64.

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Fry, J., P. S. Poole, and M. Wood. "myo-Inositol Utilisation by Rhizobium leguminosarum." In Biological Nitrogen Fixation for the 21st Century, 485. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5159-7_300.

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5

Aarons, S. R., and P. H. Graham. "Response of Rhizobium leguminosarum bv phaseoli to acidity." In Plant-Soil Interactions at Low pH, 581–87. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3438-5_65.

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Mifka, H., G. W. O’Hara, A. R. Glenn, and J. G. Howieson. "Investigation of Non-Infective Rhizobium leguminosarum bv. viciae." In Biological Nitrogen Fixation for the 21st Century, 556. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5159-7_356.

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Downie, J. Allan. "Quorum-Sensing Regulation in Rhizobium leguminosarum biovar viciae." In Roots and Soil Management: Interactions between Roots and the Soil, 223–32. Madison, WI, USA: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/agronmonogr48.c12.

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Lodwig, E. M., D. Allaway, T. Wheeler, J. A. Downie, and P. S. Poole. "Poly-β-Hydroxybutyrate and Glycogen Metabolism in Rhizobium leguminosarum." In Nitrogen Fixation: From Molecules to Crop Productivity, 389. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/0-306-47615-0_212.

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Kijne, J. W., G. Smit, C. L. Díaz, and B. J. J. Lugtenberg. "Attachment of Rhizobium Leguminosarum to Pea Root Hair Tips." In Recognition in Microbe-Plant Symbiotic and Pathogenic Interactions, 101–11. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-71652-2_9.

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Prell, Jürgen, Philip Poole, Verena Untiet, and Ramakrishnan Karunakaran. "The PTSNtrSystem Globally Regulates ATP-Dependent Transporters inRhizobium leguminosarum." In Biological Nitrogen Fixation, 349–56. Hoboken, NJ, USA: John Wiley & Sons, Inc, 2015. http://dx.doi.org/10.1002/9781119053095.ch34.

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Тези доповідей конференцій з теми "Leguminosarum"

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Lobanov, A. N., and T. V. Polyudova. "Cultivation of Rhizobium leguminosarum to produce exopolysaccharide." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.150.

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Анотація:
While studying the bacteria Rhizobium leguminosarum from different sources, a strain was isolated. Its growth on a liquid nutrient medium is accompanied by the accumulation of a significant amount of exopolysaccharide substance.
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Aksenova, T. S., O. P. Onishchuk, O. N. Kurchak, E. E. Andronov, and N. A. Provorov. "Study of the genetic organization of the strain Rhizobium leguminosarum bv. trifolii forming a symbiosis with clover Trifolium ambiguum." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.014.

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Анотація:
R. leguminosarum bv. trifolii strains are characterized by narrow host specificity. We have identified a strain that forms nodules on several types of clover and studied the genetic organization of its symbiotic region.
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3

Kimeklis, А. К., Т. S. Aksenova, G. V. Gladkov, I. G. Kuznetsova, А. L. Sazanova, V. I. Safronova, А. А. Belimov, et al. "Vavilovia formosa rhizobia symbionts belong to Rhizobium leguminosarum bv. viciae species, but form a separate group within it." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.119.

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Ecological isolation, group separation of hkg and sym genes, along with the results of the sterile tube test demonstrate that symbionts of V. formosa belong to R. leguminosarum bv. viciae species, but form a separate group within it.
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"Влияние экзогенных конечных продуктов глубокого гликирования на первичный метаболом культуры Rhizobium leguminosarum". У SYSTEMS BIOLOGY AND BIOINFORMATICS (SBB-2020). Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences., 2020. http://dx.doi.org/10.18699/sbb-2020-70.

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5

Shumilina, Yu S., E. M. Dynasty, A. V. Sobolev, K. Ealing, A. A. Tsarev, A. V. Kuznetsova, A. VascoVidal, et al. "The effect of exogenous deep glycation end products on proteome changes Rhizobium leguminosarum." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-491.

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6

Didovich, S. V., O. P. Alekseenko, and A. N. Pas'. "Symbiotic efficiency of nodule bacteria strains on legumes." In РАЦИОНАЛЬНОЕ ИСПОЛЬЗОВАНИЕ ПРИРОДНЫХ РЕСУРСОВ В АГРОЦЕНОЗАХ. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-15.05.2020.08.

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Анотація:
Nowadays, ecologization is one of the important tasks for agriculture. Microbiological preparations based on nodule bacteria application in agriculture is a significant part of organic crop production. Symbiotic efficiency of 13 nodule bacteria strains from the Crimean collection of microorganisms of the FSBSI “Research Institute of Agriculture of Crimea” (http://www.ckp- rf.ru/usu/507484/) was studied in our research. In laboratory conditions, we established that four strains of Rhizobium leguminosarum bv. viceae and five strains of Bradуrhizobium japonicum have high symbiotic efficiency to Pisum sativum L., Lathyrus sativus L., Glycinе max L.(Merr.). These strains are recommended for identifying highly effective ones to modern cultivars of these legumes in the conditions of the steppe zone of Crimea.
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Akimova, G. P., and M. G. Sokolova. "INFLUENCE RHIZOBIUM LEGUMINOSARUM ON PRO- AND ANTIOXIDANT ACTIVITY PEROXIDASE OF ROOTS OF PEAS AT INITIAL STAGES INFECTION." In The All-Russian Scientific Conference with International Participation and Schools of Young Scientists "Mechanisms of resistance of plants and microorganisms to unfavorable environmental". SIPPB SB RAS, 2018. http://dx.doi.org/10.31255/978-5-94797-319-8-47-49.

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Krasichkova, E. D., and O. G. Volobueva. "STUDY OF THE SPECIFICITY OF THE INTERACTION OF RHIZOBIUM LEGUMINOSARUM BV. VICEA STRAINS WITH PLANTS PEAS AND RANKS." In Agrobiotechnology-2021. Publishing house of RGAU - MSHA, 2021. http://dx.doi.org/10.26897/978-5-9675-1855-3-2021-190.

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Анотація:
The data on the area under crops of quinoa, the yield and production volume of this crop in the main producing countries, as well as information on the volume of imports and the cost of quinoa grain in the world market are presented.
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Maslennikova, Dilara, Olga Chubukova, and Zilya Vershinina. "Participation of glutathione in the formation of the associative symbiosis of trancsgenic tomato plants with R. leguminosarum." In The 1st International Electronic Conference on Plant Science. Basel, Switzerland: MDPI, 2020. http://dx.doi.org/10.3390/iecps2020-08616.

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10

Kuznetsova, A. V., Yu S. Shumilina, E. M. Dynasty, K. Ealing, V. V. Chantseva, A. A. Tsarev, A. Vasco Vidal, et al. "Changes in the metabolism and redox status of Rhizobium leguminosarum under the influence of exogenous end products of deep glycation." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-245.

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Звіти організацій з теми "Leguminosarum"

1

Ron, Eliora, and Eugene Eugene Nester. Global functional genomics of plant cell transformation by agrobacterium. United States Department of Agriculture, March 2009. http://dx.doi.org/10.32747/2009.7695860.bard.

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The aim of this study was to carry out a global functional genomics analysis of plant cell transformation by Agrobacterium in order to define and characterize the physiology of Agrobacterium in the acidic environment of a wounded plant. We planed to study the proteome and transcriptome of Agrobacterium in response to a change in pH, from 7.2 to 5.5 and identify genes and circuits directly involved in this change. Bacteria-plant interactions involve a large number of global regulatory systems, which are essential for protection against new stressful conditions. The interaction of bacteria with their hosts has been previously studied by genetic-physiological methods. We wanted to make use of the new capabilities to study these interactions on a global scale, using transcription analysis (transcriptomics, microarrays) and proteomics (2D gel electrophoresis and mass spectrometry). The results provided extensive data on the functional genomics under conditions that partially mimic plant infection and – in addition - revealed some surprising and significant data. Thus, we identified the genes whose expression is modulated when Agrobacterium is grown under the acidic conditions found in the rhizosphere (pH 5.5), an essential environmental factor in Agrobacterium – plant interactions essential for induction of the virulence program by plant signal molecules. Among the 45 genes whose expression was significantly elevated, of special interest is the two-component chromosomally encoded system, ChvG/I which is involved in regulating acid inducible genes. A second exciting system under acid and ChvG/Icontrol is a secretion system for proteins, T6SS, encoded by 14 genes which appears to be important for Rhizobium leguminosarum nodule formation and nitrogen fixation and for virulence of Agrobacterium. The proteome analysis revealed that gamma aminobutyric acid (GABA), a metabolite secreted by wounded plants, induces the synthesis of an Agrobacterium lactonase which degrades the quorum sensing signal, N-acyl homoserine lactone (AHL), resulting in attenuation of virulence. In addition, through a transcriptomic analysis of Agrobacterium growing at the pH of the rhizosphere (pH=5.5), we demonstrated that salicylic acid (SA) a well-studied plant signal molecule important in plant defense, attenuates Agrobacterium virulence in two distinct ways - by down regulating the synthesis of the virulence (vir) genes required for the processing and transfer of the T-DNA and by inducing the same lactonase, which in turn degrades the AHL. Thus, GABA and SA with different molecular structures, induce the expression of these same genes. The identification of genes whose expression is modulated by conditions that mimic plant infection, as well as the identification of regulatory molecules that help control the early stages of infection, advance our understanding of this complex bacterial-plant interaction and has immediate potential applications to modify it. We expect that the data generated by our research will be used to develop novel strategies for the control of crown gall disease. Moreover, these results will also provide the basis for future biotechnological approaches that will use genetic manipulations to improve bacterial-plant interactions, leading to more efficient DNA transfer to recalcitrant plants and robust symbiosis. These advances will, in turn, contribute to plant protection by introducing genes for resistance against other bacteria, pests and environmental stress.
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