Relevant bibliographies by topics / Rhizobia isolates

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Rhizobia isolates'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Rhizobia isolates"

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Kaziūnienė, Justina, Francesco Pini, Arman Shamshitov, et al. "Genetic Characterization of Rhizobium spp. Strains in an Organic Field Pea (Pisum sativum L.) Field in Lithuania." Plants 13, no. 14 (2024): 1888. http://dx.doi.org/10.3390/plants13141888.

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Biological nitrogen fixation in legume plants depends on the diversity of rhizobia present in the soil. Rhizobial strains exhibit specificity towards host plants and vary in their capacity to fix nitrogen. The increasing interest in rhizobia diversity has prompted studies of their phylogenetic relations. Molecular identification of Rhizobium is quite complex, requiring multiple gene markers to be analysed to distinguish strains at the species level or to predict their host plant. In this research, 50 rhizobia isolates were obtained from the root nodules of five different Pisum sativum L. genot
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E. Suleiman, Abdel Moneim. "Molecular Biodiversity of Rhizobia Isolated from Root Nodules of Some Economical Important Legumes in Gadarif State – Sudan." Bioscience Biotechnology Research Communications 17, no. 1 (2024): 01–08. http://dx.doi.org/10.21786/bbrc/17.1.1.

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Although Gadarif State is an important agricultural area in Sudan, studies must be conducted on rhizobia’s genetic or molecular diversity associated with economically important legumes. Therefore, this study was undertaken to isolate rhizobia related to groundnut (Arachis hypogea), Bambara groundnut (Vigna subterranean), and Cowpea (Vigna unguiculata) in different localities in Gadarif State and study their phylogenetic relationships to make the genetic information of the indigenous rhizobia available and establish a molecular database for monitoring future climate change impact on their diver
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Mekonnen, Mulugeta, and Ameha Kebede. "Isolation and Assessment of the Symbiotic Efficiency of Faba bean (Vicia faba L.) Nodulating Rhizobial Isolates from Eastern Hararghe Highlands of Ethiopia." Current Agriculture Research Journal 9, no. 2 (2021): 91–105. http://dx.doi.org/10.12944/carj.9.2.04.

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This particular work was devoted to isolate and assess the symbiotic efficiency of faba bean (Vicia faba L.)-nodulating rhizobia isolate at few faba bean growing areas of the eastern Hararghe highlands of Ethiopia. Overall 50 rhizobia isolates were obtained from soil samples of three Woredas (districts) of the eastern Hararghe highlands using the host trap method. Out of these 50 isolates, 40 were presumptively identified as rhizobia. Among these 40 rhizobia isolates, only 31 were successful to nodulate faba bean, and authenticated as true faba bean nodulating rhizobia. Concerning the symbioti
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Pervin, Safirun, Bushra Jannat, and Sohana Al Sanjee. "Characterization of Rhizobia from Root Nodule and Rhizosphere of Lablab purpureus and Vigna sinensis in Bangladesh." Turkish Journal of Agriculture - Food Science and Technology 5, no. 1 (2017): 14. http://dx.doi.org/10.24925/turjaf.v5i1.14-17.743.

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Nitrogen fixation resulting from mutual symbiosis of rhizobia and cultivated legume plants is therefore critical to food security as it directly affects agricultural production. Biological Nitrogen Fixation (BNF) can be an important factor in sustainable agriculture.The isolation and identification of different slow growing and fast growing rhizobial strains from the nodules of two leguminous plant species. Symbiotic nitrogen fixing Rhizobium spp. was isolated from (Lablab purpureus and Vigna sinensis). Nodules samples were collected from plants growing in different Districts of Bangladesh and
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Mekonnen, Mulugeta, and Ameha Kebede. "Enrichment of Restraint to Endmost Salinity and Outmost pH Circumstance in Common Bean (Phaseolus vulgaris L.) Nodulating Rhizobial Isolates from Eastern Hararghe Lowlands around Babile, Eastern Ethiopia, through Mutagenesis." Current Agriculture Research Journal 9, no. 2 (2021): 130–44. http://dx.doi.org/10.12944/carj.9.2.07.

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This study was committed to examining the symbiotic efficacy difference between wild and mutant rhizobial isolates from lowlands of eastern Ethiopia around Babile, and at the same time to appreciate the enrichment effect of mutagenesis on restraint of common bean (Phaseolus vulgaris L.) nodulating rhizobia to Endmost Salinity and Outmost pH Circumstance. A total of 50 wild rhizobia isolate, and 8 mutant isolates; after mutagenesis were selected based on their ability to endure endmost salt and outmost pH circumstances at laboratory condition. All of the mutants were found to be symbiotically e
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Denton, M. D., D. R. Coventry, P. J. Murphy, J. G. Howieson, and W. D. Bellotti. "Competition between inoculant and naturalised Rhizobium leguminosarum bv. trifolii for nodulation of annual clovers in alkaline soils." Australian Journal of Agricultural Research 53, no. 9 (2002): 1019. http://dx.doi.org/10.1071/ar01138.

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Inoculant rhizobia typically need to compete with naturalised soil populations of rhizobia to form legume nodules. We have used the polymerase chain reaction to test the ability of seed-inoculated rhizobia to compete with naturalised populations of rhizobia and form nodules on clover (Trifolium alexandrinum, T.�purpureum, and T. resupinatum) in alkaline soil. Clover rhizobia, Rhizobium leguminosarum bv. trifolii, were identified at the strain level using either a nif-specific RP01 primer or ERIC primers. Analysis of rhizobia isolated from nodules indicated that strain TA1 competed poorly for n
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Turito, Andualem, Israel Turito, Nigatu Nemomsa, and Adugna Belew. "Isolation, Characterization and Evaluation of Symbiotic Effectiveness of Rhizobia Nodulating (Phaseolus Vulgaris L) Nodules Collected from Gurafarda, Southwest Ethiopia." International Journal of Microbiology and Biotechnology 10, no. 2 (2025): 39–53. https://doi.org/10.11648/j.ijmb.20251002.12.

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Rhizobia are diazotrophic bacteria that fix nitrogen after becoming established inside the root nodules of legumes (<i>Fabaceae</i>). This study was conducted to isolate, characterize and evaluate the symbiotic effectiveness of rhizobia nodulating common bean. Nodule sample were collected from six randomly selected kebele of the study area for nodule induction under controlled condition. At the flowering stage after 45 days of plant growth, root nodules were collected and rhizobia bacteria isolated. The isolates were allowed for different biochemical and physiologic
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Batra, Priyanka, Monika Barkodia, Umang Ahlawat, Rekha Sansanwal, Rajesh Kumar Vaid, and Leela Wati. "Identification and characterization of promising endophytic bacteria for growth promotion in chickpea (Cicer arietinum)." Indian Journal of Agricultural Sciences 90, no. 4 (2020): 708–12. http://dx.doi.org/10.56093/ijas.v90i4.102207.

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The present study was carried out for the isolation and characterization of endophytic bacteria from chickpea nodules. A total of 107 endophytes were isolated from five districts of Haryana using three media, viz. YEMA for rhizobia, Pikovskaya and TSA for non-rhizobial isolates. The endophytes were then screened for various growth promoting traits like IAA production, Phosphate solubilization, Siderophore production, ACC utilization, Potassium solubilization and tolerance to NaCl concentrations. Total six endophytes, one rhizobium (HM2) and five non-rhizobial endophytes (RE6, BE13, ME3, HE5, H
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Wanore, Denebo Sebaro, Mekonin Antuye Bachore, Essayas Kebede Eromo, Rehima Kebato Nure, Gezahegn Batebo Bidiko, and Shambel Selman Abdo. "Isolation and Characterization of Nitrogen Fixing Bacteria from Rhizospher of Chickpea and Peanodules, Hossana, Ethiopia." UTTAR PRADESH JOURNAL OF ZOOLOGY 44, no. 15 (2023): 97–107. http://dx.doi.org/10.56557/upjoz/2023/v44i153574.

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One of the ways to increase the competitive survivability of rhizobial bio fertilizers and achieve better plant growth under such conditions is by modifying the rhizospheric environment or community by addition of non rhizobial nodule-associated bacteria (NAB) that cause better nodulation and plant growth when co-inoculated with rhizobia. To achieve this objective experimental design was carried out. Rhizobium is the root of legumes host nitrogen fixing bacteria which can invade root and get sugars from the plant. A study was performed to investigate the most commonly associated nodule-associa
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Mekonnen, Asrat, and Anbessie Debebe. "Isolation and Biochemical Characterization of Rhizobium Strains from Fababean (Vicia faba L) Nodule from Arsi Zone of Ethiopia." Scholars Journal of Agriculture and Veterinary Sciences 8, no. 9 (2021): 82–86. http://dx.doi.org/10.36347/sjavs.2021.v08i09.001.

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Nitrogen (N) deficiency is one of the most common factors for reduction in yield of legume crops particularly in Ethiopia. The utilization of biological nitrogen fixation (BNF) by legume-Rhizobium symbiosis is most prominent symbiosis found in nature; so for increasing legume production and soil fertility we should use organic fertilizer such as bio fertilizer. The aim of this study was to isolate, identify and characterize the fababean nodulating Rhizobium isolates. Fababean (Vicia faba L.) rhizobia were isolated from nodules collected from four fababean growing area of Arsi zone of Ethiopia.
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Dissertations / Theses on the topic "Rhizobia isolates"

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Sinyanya, Kolisa Yola. "Phenotypic characterization of rhizobia isolates and distribution of Burkholderia rhizobia in the Core Cape Subregion." Master's thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/20335.

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The Core Cape Sub-region is well known for its low nutrient, low pH soils which harbour a variety of alpha and beta- Proteobacteria associated with a diversity of legume species. Soil bacteria are important for ecological processes and are influenced mostly by edaphic factors such as salinity and pH, and climatic conditions such as temperature. Recent studies have shown that Burkholderia form nitrogen fixing molecular associations with members of, among others, tribes Crotalarieae, Podalyrieae and Indigofereae. Selected rhizobia that included Burkholderia and Mesorhizobia, the large genera in
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Mutch, Lesley Anne. "Molecular ecology of rhizobia isolated from native and cultivated Vicieae." Thesis, University of York, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313847.

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Tesfaye, Mesfin. "Genetic diversity and symbiotic effectiveness of Rhizobium isolated from perennial Trifolium species." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq25054.pdf.

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DIAS, Suelane de Melo. "Morfofisiologia de isolados de rizóbios de fabáceas forrageiras do semiárido pernambucano." Universidade Federal Rural de Pernambuco, 2015. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6456.

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Submitted by Mario BC (mario@bc.ufrpe.br) on 2017-02-20T12:53:49Z No. of bitstreams: 1 Suelane de Melo Dias.pdf: 1653730 bytes, checksum: 9a680e841961b44f37985e8341a0bd0a (MD5)<br>Made available in DSpace on 2017-02-20T12:53:49Z (GMT). No. of bitstreams: 1 Suelane de Melo Dias.pdf: 1653730 bytes, checksum: 9a680e841961b44f37985e8341a0bd0a (MD5) Previous issue date: 2015-02-27<br>Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq<br>This study aimed to characterize Morphophysiologically native Rhizobia of Fabaceae forage Caatinga, Mimosa tenuiflora (Willd) Poiret
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Moreira, Leniany Patrícia. "Avaliação agronômica de isolados de rizóbio que nodulam o feijoeiro-comum." Universidade Federal de Goiás, 2015. http://repositorio.bc.ufg.br/tede/handle/tede/6636.

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Submitted by Marlene Santos (marlene.bc.ufg@gmail.com) on 2016-12-20T18:58:02Z No. of bitstreams: 2 Dissertação - Leniany Patrícia Moreira - 2015.pdf: 1645373 bytes, checksum: 6b0d185814dfdfc0f4ba2612f6b87c40 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-12-26T14:13:15Z (GMT) No. of bitstreams: 2 Dissertação - Leniany Patrícia Moreira - 2015.pdf: 1645373 bytes, checksum: 6b0d185814dfdfc0f4ba2612f6b87c40 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e
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MILLER, MARIBETH SCHLINKERT. "PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF A FAST-GROWING STRAIN OF LUPINE RHIZOBIA ISOLATED FROM THE SONORAN DESERT (NITROGEN FIXATION, MEXICO)." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/188091.

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An effective, fast-growing strain of Rhizobium was isolated from a species of Lupinus native to the Sonoran desert near San Felipe, Baja, Mexico (generation time, 3.6 h). Bacteria isolated from the roots of lupines are normally slow growing, however, Lupine 43, is a fast grower, possesses multiple flagella and produces acid in a defined medium. In comparison to a slow-growing lupine strain, Nitragin 96A11, Lupine 43 has a low intrinsic resistance to antibiotics and is able to utilize a wide range of carbon and nitrogen sources. Field and incubator studies were conducted to determine if the ada
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Machado, Rafael Goulart. "Promoção de crescimento em gramíneas forrageiras por rizóbios isolados de Lotus corniculatus." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/70357.

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Recentes estudos têm mostrado que os rizóbios podem colonizar raízes, caules e folhas de gramíneas, promovendo o crescimento da planta. A produção de fito-hormônios, principalmente ácido indol acético (AIA) é, possivelmente, o principal mecanismo de promoção de crescimento de gramíneas por rizóbios. O objetivo do trabalho foi quantificar a produção de AIA por rizóbios e avaliar o efeito da inoculação destes rizóbios na germinação e no crescimento vegetal de azevém, braquiária, capim Tanzânia e pensacola. Foram estudados sete rizóbios nativos de solos do Rio Grande do Sul, isolados de nódulos d
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Johnson, Dallas W. "Metal tolerance, survival characteristics and nodulating abilities of isolates of Rhizobium leguminosarum biovar trifolii from Sudbury reclaimed, metal-contaminated soils." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0004/MQ31441.pdf.

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Cícero, Elaine Aparecida Silva [UNESP]. "Caracterização molecular e seleção de isolados de Bacillus thuringiensis com potencial inseticida para Sphenophorus levis." Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/103890.

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Made available in DSpace on 2014-06-11T19:32:53Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-12-19Bitstream added on 2014-06-13T18:44:27Z : No. of bitstreams: 1 cicero_eas_dr_jabo.pdf: 499254 bytes, checksum: 2953fb8dcadff8a6c63acdb3bda489bc (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>A bactéria B. thuringiensis caracteriza-se pela produção de proteínas tóxicas a representantes de diversas ordens de insetos, as quais são codificadas por genes cry. Este trabalho foi realizado com objetivo de selecionar isolados de B. thuringiensis por meio da cara
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Geniaux, Eric. "Contribution à l'étude de la diversité génotypique et des potentialités de transfert de plasmides parmi des isolats naturels de Rhizobium leguminosarum." Lyon 1, 1992. http://www.theses.fr/1992LYO10239.

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72 rhizobium isoles de nodosites de haricot de diverses regions geographiques de france ont ete caracterises par analyses genetiques et phenotypiques. La structure de 2 populations naturelles est conservee entre 2 sites geographiques eloignes. 41 isolats sont determines comme r. Leguminosarum bv. Phaseoli. Les autres ne peuvent etre relies ni a l'espece r. Leguminosarum ni a l'espece r. Tropici et constituent 2 groupes genomiques distincts. Des transferts de psym entre bacteries genetiquement eloignees sont suspectes. Parmi un echantillon de 20 isolats d'une population naturelle de r. Legumino
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Books on the topic "Rhizobia isolates"

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Johnson, Dallas William. Metal tolerance, survival characteristics and nodulating abilities of isolates of Rhizobium Leguminosarum Biovar Trifolii for Sudbury reclaimed, metal-contaminated soils. Laurentian University, Department of Biology, 1997.

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Capo, Blanca Valdivia de. Indigenous Rhizobium trifolii isolated from nodules of red clover grown in subclover pasture soils. 1987.

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Dashti, Narjes Haje. Characterization of indigenous Rhizobium leguminosarum bv. trifolii isolated from annual and perennial species of Trifolium. 1989.

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Book chapters on the topic "Rhizobia isolates"

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Aouani, M. E., R. Mhamdi, M. Mars, and R. Ghrir. "Competitiveness Between Imported Strains and Local Isolates of Common Bean Rhizobia." In Biological Nitrogen Fixation for the 21st Century. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5159-7_396.

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Pereira, E. G., A. M. Lacerda, A. S. Lima, F. M. S. Moreira, D. Carvalho, and J. O. Siqueira. "Genotypic, Phenotypic and Symbiotic Diversity Amongst Rhizobia Isolates from Phaseolus vulgaris L. Growing in the Amazon Region." In Nitrogen Fixation: From Molecules to Crop Productivity. Springer Netherlands, 2002. http://dx.doi.org/10.1007/0-306-47615-0_101.

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Kishinevsky, B. Dov, Dipankar Sen, and Guang Yang. "Diversity of Rhizobia isolated from various Hedysarum species." In Current Issues in Symbiotic Nitrogen Fixation. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-011-5700-1_3.

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Teaumroong, N., K. Teamtaisong, A. Nantagij, P. Wadisirisuk, S. Kotepong, and N. Boonkerd. "Diversification of Some Forage Legumes Rhizobia Isolated in Thailand." In Nitrogen Fixation: From Molecules to Crop Productivity. Springer Netherlands, 2002. http://dx.doi.org/10.1007/0-306-47615-0_98.

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Laguerre, Gisèle, Peter van Berkum, Noëlle Amarger, and Danielle Prévost. "Genetic Diversity of Rhizobia Isolated from the Legume Genera Astragalus, Oxytropis and Onobrychis." In Biological Nitrogen Fixation for the 21st Century. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5159-7_366.

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Akhal, M. R. El, A. Rincón, F. Arenal, et al. "Diversity of Rhizobia Isolated from Nodules of Peanut (Arachis hypogaea L.) in Morocco." In Biological Nitrogen Fixation: Towards Poverty Alleviation through Sustainable Agriculture. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8252-8_61.

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Haukka, K., K. Lindström, and J. P. W. Young. "Genetic Diversity and Phylogeny of 16S rRNA and Symbiotic Genes of Rhizobia Isolated from Leguminous Trees." In Biological Nitrogen Fixation for the 21st Century. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5159-7_432.

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Hamane, Samia, Mounir Hassani Zerrouk, Anass E. Lyemlahi, et al. "Screening and Characterization of Phosphate-Solubilizing Rhizobia Isolated from Hedysarum pallidum in the Northeast of Morocco." In Environmental and Microbial Biotechnology. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2576-6_7.

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Zerhari, K., J. Aurag, and A. Filali-Maltouf. "Biodiversity of Rhizobium sp Strains Isolated from Acacia Species in South of Morocco." In Biological Nitrogen Fixation for the 21st Century. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5159-7_223.

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Panda*, Aiswarya, and Bibhuti Bhusan Mishra. "Plant Growth Promoting Traits Exhibited by Rhizobium Isolated from Different Regions of Odisha." In Agriculturally Important Microorganisms. CRC Press, 2021. http://dx.doi.org/10.1201/9781003245841-12.

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Conference papers on the topic "Rhizobia isolates"

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Guro, P., V. Safronova, A. Sazanova, et al. "Rhizobial microsymbionts of the narrowly endemic Oxytropis species growing in Kamchatka possess a set of genes that are associated with T3SS and T6SS secretion systems and can affect the development of symbiosis." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.099.

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A collection of rhizobial strains isolated from root nodules of the narrowly endemic legume species Oxytropis erecta, O. anadyrensis, O. kamtschatica and O. pumilio growing on the Kamchatka Peninsula (Russian Federation) was obtained. Analysis of the 16S rRNA gene sequence showed a significant diversity of isolates belonging to the families Rhizobiaceae (Rhizobium), Phyllobacteriaceae (Mesorhizobium, Phyllobacterium) and Bradyrhizobiaceae (Bosea, Tardiphaga). Pairs of taxonomically different strains in various combinations were isolated from some nodules of Oxytropis plants. Plant nodulation a
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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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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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Tirziu, Emil, Ioan Banatean-Dunea, Ileana Nichita, Ionela Hotea, and Iulia-Maria Bucur. "RESEARCH REGARDING THE PRESENCE OF ANTIBIOTIC RESISTANCE AT BACTERIAL STRAINS ISOLATED FROM AQUACULTURE FISHES." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/6.1/s25.26.

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The antibiotic resistance is a well-researched and of great interest subject for both veterinary and human medicine, not only due to the impact on human and animal health, but also for the effects that are triggered in the long run that are hard to specify at this moment. It is unanimously recognized the fact that the emergence of antimicrobial resistance phenomenon reduces the possibility of a large scale use of bacterial etiology diseases preventing and controlling means In the study was aimed both the isolation and identification of some bacterial species present in fishes from aquaculture
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Zaldumbide, Katherine, Fernando Santacruz, Diana Astorga, et al. "Optimization of abiotic conditions for the increased production of exopolysaccharides of bacterial species of the Rhizobium genus isolated from soil contaminated with hydrocarbons." In MOL2NET 2019, International Conference on Multidisciplinary Sciences, 5th edition. MDPI, 2019. http://dx.doi.org/10.3390/mol2net-05-06705.

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Bogdan-Golubi, Nina, and Valerina Slanina. "The viability of bacillus, pseudomonas and lactic acid bacteria strains after 15 years of storage." In 5th International Scientific Conference on Microbial Biotechnology. Institute of Microbiology and Biotechnology, Republic of Moldova, 2022. http://dx.doi.org/10.52757/imb22.14.

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The National Collection of Nonpathogenic Microorganisms (NCNM) contains bacterial species like Rhizobium sp., Pseudomonas sp., Bacillus sp., which are known for their antimicrobial activity, plant stimulation effects, and exometabolites that can be used for plant protection. Some can be used for the insect and plant disease controls. The Collection also contains the lactic acid bacteria isolated from naturally fermented homemade dairy foods, that can be used for obtaining sour cream, fresh cheese, yoghurt, soy milk, brined cheese. These bacteria permit to create a better taste, flavor and text
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Reports on the topic "Rhizobia isolates"

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Mendoza, Jonathan Alberto, Carolina Mazo, Lina Margarita Conn, Álvaro Rincón Castillo, Daniel Rojas Tapias, and Ruth Bonilla Buitrago. Evaluation of phosphate-solubilizing bacteria associated to pastures of Bracharia from acid soils. Corporación Colombiana de Investigación Agropecuaria - AGROSAVIA, 2015. http://dx.doi.org/10.21930/agrosavia.informe.2015.5.

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Rhizobia have been widely known by their capacity to form a symbiotic relationship with legumes and fix atmospheric nitrogen. Recently, however, rhizobia have shown to associate with plants in different botanical families. In this study, we aimed at elucidating the diversity of rhizobia associated to grasses, and determine their capabilities to solubilize phosphate in both lab and greenhouse experiments. Isolation of rhizobia was performed using rhizosphere from Brachiaria brizantha and B. decumbens and a promiscuous legume trap plant (i.e. Vigna unguiculata). Thirty days after inoculation of
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Kapulnik, Yoram, and Donald A. Phillips. Isoflavonoid Regulation of Root Bacteria. United States Department of Agriculture, 1996. http://dx.doi.org/10.32747/1996.7570561.bard.

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Abstract:
The overall objective of this project was to develop a conceptual framework for enhancing root colonization by beneficial bacteria. To accomplish this aim we tested the hypothesis that production and excretion of the plant phytoalexin medicarpin can be used for creation of a special niche along the legume roots, where beneficial microorganism, such as rhizobium, will have a selective advantage. On the Israeli side it was shown that higher medicarpin levels are exuded following the application of Rhizobium meliloti to the rhizosphere but the specific biochemical pathway governing medicarpin pro
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